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-rw-r--r--webstats/static/uPlot.iife.js6814
-rw-r--r--webstats/static/uPlot.iife.min.js2
-rw-r--r--webstats/static/uPlot.min.css131
-rw-r--r--webstats/workforrobots.org10
4 files changed, 6955 insertions, 2 deletions
diff --git a/webstats/static/uPlot.iife.js b/webstats/static/uPlot.iife.js
new file mode 100644
index 0000000..bcbec10
--- /dev/null
+++ b/webstats/static/uPlot.iife.js
@@ -0,0 +1,6814 @@
+/**
+ * Copyright (c) 2025, Leon Sorokin
+ * All rights reserved. (MIT Licensed)
+ *
+ * uPlot.js (μPlot)
+ * A small, fast chart for time series, lines, areas, ohlc & bars
+ * https://github.com/leeoniya/uPlot (v1.6.32)
+ */
+
+var uPlot = (function () {
+ "use strict";
+
+ const FEAT_TIME = true;
+
+ const pre = "u-";
+
+ const UPLOT = "uplot";
+ const ORI_HZ = pre + "hz";
+ const ORI_VT = pre + "vt";
+ const TITLE = pre + "title";
+ const WRAP = pre + "wrap";
+ const UNDER = pre + "under";
+ const OVER = pre + "over";
+ const AXIS = pre + "axis";
+ const OFF = pre + "off";
+ const SELECT = pre + "select";
+ const CURSOR_X = pre + "cursor-x";
+ const CURSOR_Y = pre + "cursor-y";
+ const CURSOR_PT = pre + "cursor-pt";
+ const LEGEND = pre + "legend";
+ const LEGEND_LIVE = pre + "live";
+ const LEGEND_INLINE = pre + "inline";
+ const LEGEND_SERIES = pre + "series";
+ const LEGEND_MARKER = pre + "marker";
+ const LEGEND_LABEL = pre + "label";
+ const LEGEND_VALUE = pre + "value";
+
+ const WIDTH = "width";
+ const HEIGHT = "height";
+ const TOP = "top";
+ const BOTTOM = "bottom";
+ const LEFT = "left";
+ const RIGHT = "right";
+ const hexBlack = "#000";
+ const transparent = hexBlack + "0";
+
+ const mousemove = "mousemove";
+ const mousedown = "mousedown";
+ const mouseup = "mouseup";
+ const mouseenter = "mouseenter";
+ const mouseleave = "mouseleave";
+ const dblclick = "dblclick";
+ const resize = "resize";
+ const scroll = "scroll";
+
+ const change = "change";
+ const dppxchange = "dppxchange";
+
+ const LEGEND_DISP = "--";
+
+ const domEnv = typeof window != "undefined";
+
+ const doc = domEnv ? document : null;
+ const win = domEnv ? window : null;
+ const nav = domEnv ? navigator : null;
+
+ let pxRatio;
+
+ //export const canHover = domEnv && !win.matchMedia('(hover: none)').matches;
+
+ let query;
+
+ function setPxRatio() {
+ let _pxRatio = devicePixelRatio;
+
+ // during print preview, Chrome fires off these dppx queries even without changes
+ if (pxRatio != _pxRatio) {
+ pxRatio = _pxRatio;
+
+ query && off(change, query, setPxRatio);
+ query = matchMedia(
+ `(min-resolution: ${pxRatio - 0.001}dppx) and (max-resolution: ${pxRatio + 0.001}dppx)`,
+ );
+ on(change, query, setPxRatio);
+
+ win.dispatchEvent(new CustomEvent(dppxchange));
+ }
+ }
+
+ function addClass(el, c) {
+ if (c != null) {
+ let cl = el.classList;
+ !cl.contains(c) && cl.add(c);
+ }
+ }
+
+ function remClass(el, c) {
+ let cl = el.classList;
+ cl.contains(c) && cl.remove(c);
+ }
+
+ function setStylePx(el, name, value) {
+ el.style[name] = value + "px";
+ }
+
+ function placeTag(tag, cls, targ, refEl) {
+ let el = doc.createElement(tag);
+
+ if (cls != null) addClass(el, cls);
+
+ if (targ != null) targ.insertBefore(el, refEl);
+
+ return el;
+ }
+
+ function placeDiv(cls, targ) {
+ return placeTag("div", cls, targ);
+ }
+
+ const xformCache = new WeakMap();
+
+ function elTrans(el, xPos, yPos, xMax, yMax) {
+ let xform = "translate(" + xPos + "px," + yPos + "px)";
+ let xformOld = xformCache.get(el);
+
+ if (xform != xformOld) {
+ el.style.transform = xform;
+ xformCache.set(el, xform);
+
+ if (xPos < 0 || yPos < 0 || xPos > xMax || yPos > yMax) addClass(el, OFF);
+ else remClass(el, OFF);
+ }
+ }
+
+ const colorCache = new WeakMap();
+
+ function elColor(el, background, borderColor) {
+ let newColor = background + borderColor;
+ let oldColor = colorCache.get(el);
+
+ if (newColor != oldColor) {
+ colorCache.set(el, newColor);
+ el.style.background = background;
+ el.style.borderColor = borderColor;
+ }
+ }
+
+ const sizeCache = new WeakMap();
+
+ function elSize(el, newWid, newHgt, centered) {
+ let newSize = newWid + "" + newHgt;
+ let oldSize = sizeCache.get(el);
+
+ if (newSize != oldSize) {
+ sizeCache.set(el, newSize);
+ el.style.height = newHgt + "px";
+ el.style.width = newWid + "px";
+ el.style.marginLeft = centered ? -newWid / 2 + "px" : 0;
+ el.style.marginTop = centered ? -newHgt / 2 + "px" : 0;
+ }
+ }
+
+ const evOpts = { passive: true };
+ const evOpts2 = { ...evOpts, capture: true };
+
+ function on(ev, el, cb, capt) {
+ el.addEventListener(ev, cb, capt ? evOpts2 : evOpts);
+ }
+
+ function off(ev, el, cb, capt) {
+ el.removeEventListener(ev, cb, evOpts);
+ }
+
+ domEnv && setPxRatio();
+
+ // binary search for index of closest value
+ function closestIdx(num, arr, lo, hi) {
+ let mid;
+ lo = lo || 0;
+ hi = hi || arr.length - 1;
+ let bitwise = hi <= 2147483647;
+
+ while (hi - lo > 1) {
+ mid = bitwise ? (lo + hi) >> 1 : floor((lo + hi) / 2);
+
+ if (arr[mid] < num) lo = mid;
+ else hi = mid;
+ }
+
+ if (num - arr[lo] <= arr[hi] - num) return lo;
+
+ return hi;
+ }
+
+ function makeIndexOfs(predicate) {
+ let indexOfs = (data, _i0, _i1) => {
+ let i0 = -1;
+ let i1 = -1;
+
+ for (let i = _i0; i <= _i1; i++) {
+ if (predicate(data[i])) {
+ i0 = i;
+ break;
+ }
+ }
+
+ for (let i = _i1; i >= _i0; i--) {
+ if (predicate(data[i])) {
+ i1 = i;
+ break;
+ }
+ }
+
+ return [i0, i1];
+ };
+
+ return indexOfs;
+ }
+
+ const notNullish = (v) => v != null;
+ const isPositive = (v) => v != null && v > 0;
+
+ const nonNullIdxs = makeIndexOfs(notNullish);
+ const positiveIdxs = makeIndexOfs(isPositive);
+
+ function getMinMax(data, _i0, _i1, sorted = 0, log = false) {
+ // console.log("getMinMax()");
+
+ let getEdgeIdxs = log ? positiveIdxs : nonNullIdxs;
+ let predicate = log ? isPositive : notNullish;
+
+ [_i0, _i1] = getEdgeIdxs(data, _i0, _i1);
+
+ let _min = data[_i0];
+ let _max = data[_i0];
+
+ if (_i0 > -1) {
+ if (sorted == 1) {
+ _min = data[_i0];
+ _max = data[_i1];
+ } else if (sorted == -1) {
+ _min = data[_i1];
+ _max = data[_i0];
+ } else {
+ for (let i = _i0; i <= _i1; i++) {
+ let v = data[i];
+
+ if (predicate(v)) {
+ if (v < _min) _min = v;
+ else if (v > _max) _max = v;
+ }
+ }
+ }
+ }
+
+ return [_min ?? inf, _max ?? -inf]; // todo: fix to return nulls
+ }
+
+ function rangeLog(min, max, base, fullMags) {
+ let minSign = sign(min);
+ let maxSign = sign(max);
+
+ if (min == max) {
+ if (minSign == -1) {
+ min *= base;
+ max /= base;
+ } else {
+ min /= base;
+ max *= base;
+ }
+ }
+
+ let logFn = base == 10 ? log10 : log2;
+
+ let growMinAbs = minSign == 1 ? floor : ceil;
+ let growMaxAbs = maxSign == 1 ? ceil : floor;
+
+ let minExp = growMinAbs(logFn(abs(min)));
+ let maxExp = growMaxAbs(logFn(abs(max)));
+
+ let minIncr = pow(base, minExp);
+ let maxIncr = pow(base, maxExp);
+
+ // fix values like Math.pow(10, -5) === 0.000009999999999999999
+ if (base == 10) {
+ if (minExp < 0) minIncr = roundDec(minIncr, -minExp);
+ if (maxExp < 0) maxIncr = roundDec(maxIncr, -maxExp);
+ }
+
+ if (fullMags || base == 2) {
+ min = minIncr * minSign;
+ max = maxIncr * maxSign;
+ } else {
+ min = incrRoundDn(min, minIncr);
+ max = incrRoundUp(max, maxIncr);
+ }
+
+ return [min, max];
+ }
+
+ function rangeAsinh(min, max, base, fullMags) {
+ let minMax = rangeLog(min, max, base, fullMags);
+
+ if (min == 0) minMax[0] = 0;
+
+ if (max == 0) minMax[1] = 0;
+
+ return minMax;
+ }
+
+ const rangePad = 0.1;
+
+ const autoRangePart = {
+ mode: 3,
+ pad: rangePad,
+ };
+
+ const _eqRangePart = {
+ pad: 0,
+ soft: null,
+ mode: 0,
+ };
+
+ const _eqRange = {
+ min: _eqRangePart,
+ max: _eqRangePart,
+ };
+
+ // this ensures that non-temporal/numeric y-axes get multiple-snapped padding added above/below
+ // TODO: also account for incrs when snapping to ensure top of axis gets a tick & value
+ function rangeNum(_min, _max, mult, extra) {
+ if (isObj(mult)) return _rangeNum(_min, _max, mult);
+
+ _eqRangePart.pad = mult;
+ _eqRangePart.soft = extra ? 0 : null;
+ _eqRangePart.mode = extra ? 3 : 0;
+
+ return _rangeNum(_min, _max, _eqRange);
+ }
+
+ // nullish coalesce
+ function ifNull(lh, rh) {
+ return lh == null ? rh : lh;
+ }
+
+ // checks if given index range in an array contains a non-null value
+ // aka a range-bounded Array.some()
+ function hasData(data, idx0, idx1) {
+ idx0 = ifNull(idx0, 0);
+ idx1 = ifNull(idx1, data.length - 1);
+
+ while (idx0 <= idx1) {
+ if (data[idx0] != null) return true;
+ idx0++;
+ }
+
+ return false;
+ }
+
+ function _rangeNum(_min, _max, cfg) {
+ let cmin = cfg.min;
+ let cmax = cfg.max;
+
+ let padMin = ifNull(cmin.pad, 0);
+ let padMax = ifNull(cmax.pad, 0);
+
+ let hardMin = ifNull(cmin.hard, -inf);
+ let hardMax = ifNull(cmax.hard, inf);
+
+ let softMin = ifNull(cmin.soft, inf);
+ let softMax = ifNull(cmax.soft, -inf);
+
+ let softMinMode = ifNull(cmin.mode, 0);
+ let softMaxMode = ifNull(cmax.mode, 0);
+
+ let delta = _max - _min;
+ let deltaMag = log10(delta);
+
+ let scalarMax = max(abs(_min), abs(_max));
+ let scalarMag = log10(scalarMax);
+
+ let scalarMagDelta = abs(scalarMag - deltaMag);
+
+ // this handles situations like 89.7, 89.69999999999999
+ // by assuming 0.001x deltas are precision errors
+ // if (delta > 0 && delta < abs(_max) / 1e3)
+ // delta = 0;
+
+ // treat data as flat if delta is less than 1e-24
+ // or range is 11+ orders of magnitude below raw values, e.g. 99999999.99999996 - 100000000.00000004
+ if (delta < 1e-24 || scalarMagDelta > 10) {
+ delta = 0;
+
+ // if soft mode is 2 and all vals are flat at 0, avoid the 0.1 * 1e3 fallback
+ // this prevents 0,0,0 from ranging to -100,100 when softMin/softMax are -1,1
+ if (_min == 0 || _max == 0) {
+ delta = 1e-24;
+
+ if (softMinMode == 2 && softMin != inf) padMin = 0;
+
+ if (softMaxMode == 2 && softMax != -inf) padMax = 0;
+ }
+ }
+
+ let nonZeroDelta = delta || scalarMax || 1e3;
+ let mag = log10(nonZeroDelta);
+ let base = pow(10, floor(mag));
+
+ let _padMin = nonZeroDelta * (delta == 0 ? (_min == 0 ? 0.1 : 1) : padMin);
+ let _newMin = roundDec(incrRoundDn(_min - _padMin, base / 10), 24);
+ let _softMin =
+ _min >= softMin &&
+ (softMinMode == 1 ||
+ (softMinMode == 3 && _newMin <= softMin) ||
+ (softMinMode == 2 && _newMin >= softMin))
+ ? softMin
+ : inf;
+ let minLim = max(
+ hardMin,
+ _newMin < _softMin && _min >= _softMin
+ ? _softMin
+ : min(_softMin, _newMin),
+ );
+
+ let _padMax = nonZeroDelta * (delta == 0 ? (_max == 0 ? 0.1 : 1) : padMax);
+ let _newMax = roundDec(incrRoundUp(_max + _padMax, base / 10), 24);
+ let _softMax =
+ _max <= softMax &&
+ (softMaxMode == 1 ||
+ (softMaxMode == 3 && _newMax >= softMax) ||
+ (softMaxMode == 2 && _newMax <= softMax))
+ ? softMax
+ : -inf;
+ let maxLim = min(
+ hardMax,
+ _newMax > _softMax && _max <= _softMax
+ ? _softMax
+ : max(_softMax, _newMax),
+ );
+
+ if (minLim == maxLim && minLim == 0) maxLim = 100;
+
+ return [minLim, maxLim];
+ }
+
+ // alternative: https://stackoverflow.com/a/2254896
+ const numFormatter = new Intl.NumberFormat(domEnv ? nav.language : "en-US");
+ const fmtNum = (val) => numFormatter.format(val);
+
+ const M = Math;
+
+ const PI = M.PI;
+ const abs = M.abs;
+ const floor = M.floor;
+ const round = M.round;
+ const ceil = M.ceil;
+ const min = M.min;
+ const max = M.max;
+ const pow = M.pow;
+ const sign = M.sign;
+ const log10 = M.log10;
+ const log2 = M.log2;
+ // TODO: seems like this needs to match asinh impl if the passed v is tweaked?
+ const sinh = (v, linthresh = 1) => M.sinh(v) * linthresh;
+ const asinh = (v, linthresh = 1) => M.asinh(v / linthresh);
+
+ const inf = Infinity;
+
+ function numIntDigits(x) {
+ return (log10((x ^ (x >> 31)) - (x >> 31)) | 0) + 1;
+ }
+
+ function clamp(num, _min, _max) {
+ return min(max(num, _min), _max);
+ }
+
+ function isFn(v) {
+ return typeof v == "function";
+ }
+
+ function fnOrSelf(v) {
+ return isFn(v) ? v : () => v;
+ }
+
+ const noop = () => {};
+
+ // note: these identity fns may get deoptimized if reused for different arg types
+ // a TS version would enforce they stay monotyped and require making variants
+ const retArg0 = (_0) => _0;
+
+ const retArg1 = (_0, _1) => _1;
+
+ const retNull = (_) => null;
+
+ const retTrue = (_) => true;
+
+ const retEq = (a, b) => a == b;
+
+ const regex6 = /\.\d*?(?=9{6,}|0{6,})/gm;
+
+ // e.g. 17999.204999999998 -> 17999.205
+ const fixFloat = (val) => {
+ if (isInt(val) || fixedDec.has(val)) return val;
+
+ const str = `${val}`;
+
+ const match = str.match(regex6);
+
+ if (match == null) return val;
+
+ let len = match[0].length - 1;
+
+ // e.g. 1.0000000000000001e-24
+ if (str.indexOf("e-") != -1) {
+ let [num, exp] = str.split("e");
+ return +`${fixFloat(num)}e${exp}`;
+ }
+
+ return roundDec(val, len);
+ };
+
+ function incrRound(num, incr) {
+ return fixFloat(roundDec(fixFloat(num / incr)) * incr);
+ }
+
+ function incrRoundUp(num, incr) {
+ return fixFloat(ceil(fixFloat(num / incr)) * incr);
+ }
+
+ function incrRoundDn(num, incr) {
+ return fixFloat(floor(fixFloat(num / incr)) * incr);
+ }
+
+ // https://stackoverflow.com/a/48764436
+ // rounds half away from zero
+ function roundDec(val, dec = 0) {
+ if (isInt(val)) return val;
+ // else if (dec == 0)
+ // return round(val);
+
+ let p = 10 ** dec;
+ let n = val * p * (1 + Number.EPSILON);
+ return round(n) / p;
+ }
+
+ const fixedDec = new Map();
+
+ function guessDec(num) {
+ return (("" + num).split(".")[1] || "").length;
+ }
+
+ function genIncrs(base, minExp, maxExp, mults) {
+ let incrs = [];
+
+ let multDec = mults.map(guessDec);
+
+ for (let exp = minExp; exp < maxExp; exp++) {
+ let expa = abs(exp);
+ let mag = roundDec(pow(base, exp), expa);
+
+ for (let i = 0; i < mults.length; i++) {
+ let _incr = base == 10 ? +`${mults[i]}e${exp}` : mults[i] * mag;
+ let dec = (exp >= 0 ? 0 : expa) + (exp >= multDec[i] ? 0 : multDec[i]);
+ let incr = base == 10 ? _incr : roundDec(_incr, dec);
+ incrs.push(incr);
+ fixedDec.set(incr, dec);
+ }
+ }
+
+ return incrs;
+ }
+
+ //export const assign = Object.assign;
+
+ const EMPTY_OBJ = {};
+ const EMPTY_ARR = [];
+
+ const nullNullTuple = [null, null];
+
+ const isArr = Array.isArray;
+ const isInt = Number.isInteger;
+ const isUndef = (v) => v === void 0;
+
+ function isStr(v) {
+ return typeof v == "string";
+ }
+
+ function isObj(v) {
+ let is = false;
+
+ if (v != null) {
+ let c = v.constructor;
+ is = c == null || c == Object;
+ }
+
+ return is;
+ }
+
+ function fastIsObj(v) {
+ return v != null && typeof v == "object";
+ }
+
+ const TypedArray = Object.getPrototypeOf(Uint8Array);
+
+ const __proto__ = "__proto__";
+
+ function copy(o, _isObj = isObj) {
+ let out;
+
+ if (isArr(o)) {
+ let val = o.find((v) => v != null);
+
+ if (isArr(val) || _isObj(val)) {
+ out = Array(o.length);
+ for (let i = 0; i < o.length; i++) out[i] = copy(o[i], _isObj);
+ } else out = o.slice();
+ } else if (o instanceof TypedArray)
+ // also (ArrayBuffer.isView(o) && !(o instanceof DataView))
+ out = o.slice();
+ else if (_isObj(o)) {
+ out = {};
+ for (let k in o) {
+ if (k != __proto__) out[k] = copy(o[k], _isObj);
+ }
+ } else out = o;
+
+ return out;
+ }
+
+ function assign(targ) {
+ let args = arguments;
+
+ for (let i = 1; i < args.length; i++) {
+ let src = args[i];
+
+ for (let key in src) {
+ if (key != __proto__) {
+ if (isObj(targ[key])) assign(targ[key], copy(src[key]));
+ else targ[key] = copy(src[key]);
+ }
+ }
+ }
+
+ return targ;
+ }
+
+ // nullModes
+ const NULL_REMOVE = 0; // nulls are converted to undefined (e.g. for spanGaps: true)
+ const NULL_RETAIN = 1; // nulls are retained, with alignment artifacts set to undefined (default)
+ const NULL_EXPAND = 2; // nulls are expanded to include any adjacent alignment artifacts
+
+ // sets undefined values to nulls when adjacent to existing nulls (minesweeper)
+ function nullExpand(yVals, nullIdxs, alignedLen) {
+ for (let i = 0, xi, lastNullIdx = -1; i < nullIdxs.length; i++) {
+ let nullIdx = nullIdxs[i];
+
+ if (nullIdx > lastNullIdx) {
+ xi = nullIdx - 1;
+ while (xi >= 0 && yVals[xi] == null) yVals[xi--] = null;
+
+ xi = nullIdx + 1;
+ while (xi < alignedLen && yVals[xi] == null)
+ yVals[(lastNullIdx = xi++)] = null;
+ }
+ }
+ }
+
+ // nullModes is a tables-matched array indicating how to treat nulls in each series
+ // output is sorted ASC on the joined field (table[0]) and duplicate join values are collapsed
+ function join(tables, nullModes) {
+ if (allHeadersSame(tables)) {
+ // console.log('cheap join!');
+
+ let table = tables[0].slice();
+
+ for (let i = 1; i < tables.length; i++) table.push(...tables[i].slice(1));
+
+ if (!isAsc(table[0])) table = sortCols(table);
+
+ return table;
+ }
+
+ let xVals = new Set();
+
+ for (let ti = 0; ti < tables.length; ti++) {
+ let t = tables[ti];
+ let xs = t[0];
+ let len = xs.length;
+
+ for (let i = 0; i < len; i++) xVals.add(xs[i]);
+ }
+
+ let data = [Array.from(xVals).sort((a, b) => a - b)];
+
+ let alignedLen = data[0].length;
+
+ let xIdxs = new Map();
+
+ for (let i = 0; i < alignedLen; i++) xIdxs.set(data[0][i], i);
+
+ for (let ti = 0; ti < tables.length; ti++) {
+ let t = tables[ti];
+ let xs = t[0];
+
+ for (let si = 1; si < t.length; si++) {
+ let ys = t[si];
+
+ let yVals = Array(alignedLen).fill(undefined);
+
+ let nullMode = nullModes ? nullModes[ti][si] : NULL_RETAIN;
+
+ let nullIdxs = [];
+
+ for (let i = 0; i < ys.length; i++) {
+ let yVal = ys[i];
+ let alignedIdx = xIdxs.get(xs[i]);
+
+ if (yVal === null) {
+ if (nullMode != NULL_REMOVE) {
+ yVals[alignedIdx] = yVal;
+
+ if (nullMode == NULL_EXPAND) nullIdxs.push(alignedIdx);
+ }
+ } else yVals[alignedIdx] = yVal;
+ }
+
+ nullExpand(yVals, nullIdxs, alignedLen);
+
+ data.push(yVals);
+ }
+ }
+
+ return data;
+ }
+
+ const microTask =
+ typeof queueMicrotask == "undefined"
+ ? (fn) => Promise.resolve().then(fn)
+ : queueMicrotask;
+
+ // TODO: https://github.com/dy/sort-ids (~2x faster for 1e5+ arrays)
+ function sortCols(table) {
+ let head = table[0];
+ let rlen = head.length;
+
+ let idxs = Array(rlen);
+ for (let i = 0; i < idxs.length; i++) idxs[i] = i;
+
+ idxs.sort((i0, i1) => head[i0] - head[i1]);
+
+ let table2 = [];
+ for (let i = 0; i < table.length; i++) {
+ let row = table[i];
+ let row2 = Array(rlen);
+
+ for (let j = 0; j < rlen; j++) row2[j] = row[idxs[j]];
+
+ table2.push(row2);
+ }
+
+ return table2;
+ }
+
+ // test if we can do cheap join (all join fields same)
+ function allHeadersSame(tables) {
+ let vals0 = tables[0][0];
+ let len0 = vals0.length;
+
+ for (let i = 1; i < tables.length; i++) {
+ let vals1 = tables[i][0];
+
+ if (vals1.length != len0) return false;
+
+ if (vals1 != vals0) {
+ for (let j = 0; j < len0; j++) {
+ if (vals1[j] != vals0[j]) return false;
+ }
+ }
+ }
+
+ return true;
+ }
+
+ function isAsc(vals, samples = 100) {
+ const len = vals.length;
+
+ // empty or single value
+ if (len <= 1) return true;
+
+ // skip leading & trailing nullish
+ let firstIdx = 0;
+ let lastIdx = len - 1;
+
+ while (firstIdx <= lastIdx && vals[firstIdx] == null) firstIdx++;
+
+ while (lastIdx >= firstIdx && vals[lastIdx] == null) lastIdx--;
+
+ // all nullish or one value surrounded by nullish
+ if (lastIdx <= firstIdx) return true;
+
+ const stride = max(1, floor((lastIdx - firstIdx + 1) / samples));
+
+ for (
+ let prevVal = vals[firstIdx], i = firstIdx + stride;
+ i <= lastIdx;
+ i += stride
+ ) {
+ const v = vals[i];
+
+ if (v != null) {
+ if (v <= prevVal) return false;
+
+ prevVal = v;
+ }
+ }
+
+ return true;
+ }
+
+ const months = [
+ "January",
+ "February",
+ "March",
+ "April",
+ "May",
+ "June",
+ "July",
+ "August",
+ "September",
+ "October",
+ "November",
+ "December",
+ ];
+
+ const days = [
+ "Sunday",
+ "Monday",
+ "Tuesday",
+ "Wednesday",
+ "Thursday",
+ "Friday",
+ "Saturday",
+ ];
+
+ function slice3(str) {
+ return str.slice(0, 3);
+ }
+
+ const days3 = days.map(slice3);
+
+ const months3 = months.map(slice3);
+
+ const engNames = {
+ MMMM: months,
+ MMM: months3,
+ WWWW: days,
+ WWW: days3,
+ };
+
+ function zeroPad2(int) {
+ return (int < 10 ? "0" : "") + int;
+ }
+
+ function zeroPad3(int) {
+ return (int < 10 ? "00" : int < 100 ? "0" : "") + int;
+ }
+
+ /*
+ function suffix(int) {
+ let mod10 = int % 10;
+
+ return int + (
+ mod10 == 1 && int != 11 ? "st" :
+ mod10 == 2 && int != 12 ? "nd" :
+ mod10 == 3 && int != 13 ? "rd" : "th"
+ );
+ }
+ */
+
+ const subs = {
+ // 2019
+ YYYY: (d) => d.getFullYear(),
+ // 19
+ YY: (d) => (d.getFullYear() + "").slice(2),
+ // July
+ MMMM: (d, names) => names.MMMM[d.getMonth()],
+ // Jul
+ MMM: (d, names) => names.MMM[d.getMonth()],
+ // 07
+ MM: (d) => zeroPad2(d.getMonth() + 1),
+ // 7
+ M: (d) => d.getMonth() + 1,
+ // 09
+ DD: (d) => zeroPad2(d.getDate()),
+ // 9
+ D: (d) => d.getDate(),
+ // Monday
+ WWWW: (d, names) => names.WWWW[d.getDay()],
+ // Mon
+ WWW: (d, names) => names.WWW[d.getDay()],
+ // 03
+ HH: (d) => zeroPad2(d.getHours()),
+ // 3
+ H: (d) => d.getHours(),
+ // 9 (12hr, unpadded)
+ h: (d) => {
+ let h = d.getHours();
+ return h == 0 ? 12 : h > 12 ? h - 12 : h;
+ },
+ // AM
+ AA: (d) => (d.getHours() >= 12 ? "PM" : "AM"),
+ // am
+ aa: (d) => (d.getHours() >= 12 ? "pm" : "am"),
+ // a
+ a: (d) => (d.getHours() >= 12 ? "p" : "a"),
+ // 09
+ mm: (d) => zeroPad2(d.getMinutes()),
+ // 9
+ m: (d) => d.getMinutes(),
+ // 09
+ ss: (d) => zeroPad2(d.getSeconds()),
+ // 9
+ s: (d) => d.getSeconds(),
+ // 374
+ fff: (d) => zeroPad3(d.getMilliseconds()),
+ };
+
+ function fmtDate(tpl, names) {
+ names = names || engNames;
+ let parts = [];
+
+ let R = /\{([a-z]+)\}|[^{]+/gi,
+ m;
+
+ while ((m = R.exec(tpl))) parts.push(m[0][0] == "{" ? subs[m[1]] : m[0]);
+
+ return (d) => {
+ let out = "";
+
+ for (let i = 0; i < parts.length; i++)
+ out += typeof parts[i] == "string" ? parts[i] : parts[i](d, names);
+
+ return out;
+ };
+ }
+
+ const localTz = new Intl.DateTimeFormat().resolvedOptions().timeZone;
+
+ // https://stackoverflow.com/questions/15141762/how-to-initialize-a-javascript-date-to-a-particular-time-zone/53652131#53652131
+ function tzDate(date, tz) {
+ let date2;
+
+ // perf optimization
+ if (tz == "UTC" || tz == "Etc/UTC")
+ date2 = new Date(+date + date.getTimezoneOffset() * 6e4);
+ else if (tz == localTz) date2 = date;
+ else {
+ date2 = new Date(date.toLocaleString("en-US", { timeZone: tz }));
+ date2.setMilliseconds(date.getMilliseconds());
+ }
+
+ return date2;
+ }
+
+ //export const series = [];
+
+ // default formatters:
+
+ const onlyWhole = (v) => v % 1 == 0;
+
+ const allMults = [1, 2, 2.5, 5];
+
+ // ...0.01, 0.02, 0.025, 0.05, 0.1, 0.2, 0.25, 0.5
+ const decIncrs = genIncrs(10, -32, 0, allMults);
+
+ // 1, 2, 2.5, 5, 10, 20, 25, 50...
+ const oneIncrs = genIncrs(10, 0, 32, allMults);
+
+ // 1, 2, 5, 10, 20, 25, 50...
+ const wholeIncrs = oneIncrs.filter(onlyWhole);
+
+ const numIncrs = decIncrs.concat(oneIncrs);
+
+ const NL = "\n";
+
+ const yyyy = "{YYYY}";
+ const NLyyyy = NL + yyyy;
+ const md = "{M}/{D}";
+ const NLmd = NL + md;
+ const NLmdyy = NLmd + "/{YY}";
+
+ const aa = "{aa}";
+ const hmm = "{h}:{mm}";
+ const hmmaa = hmm + aa;
+ const NLhmmaa = NL + hmmaa;
+ const ss = ":{ss}";
+
+ const _ = null;
+
+ function genTimeStuffs(ms) {
+ let s = ms * 1e3,
+ m = s * 60,
+ h = m * 60,
+ d = h * 24,
+ mo = d * 30,
+ y = d * 365;
+
+ // min of 1e-3 prevents setting a temporal x ticks too small since Date objects cannot advance ticks smaller than 1ms
+ let subSecIncrs =
+ ms == 1
+ ? genIncrs(10, 0, 3, allMults).filter(onlyWhole)
+ : genIncrs(10, -3, 0, allMults);
+
+ let timeIncrs = subSecIncrs.concat([
+ // minute divisors (# of secs)
+ s,
+ s * 5,
+ s * 10,
+ s * 15,
+ s * 30,
+ // hour divisors (# of mins)
+ m,
+ m * 5,
+ m * 10,
+ m * 15,
+ m * 30,
+ // day divisors (# of hrs)
+ h,
+ h * 2,
+ h * 3,
+ h * 4,
+ h * 6,
+ h * 8,
+ h * 12,
+ // month divisors TODO: need more?
+ d,
+ d * 2,
+ d * 3,
+ d * 4,
+ d * 5,
+ d * 6,
+ d * 7,
+ d * 8,
+ d * 9,
+ d * 10,
+ d * 15,
+ // year divisors (# months, approx)
+ mo,
+ mo * 2,
+ mo * 3,
+ mo * 4,
+ mo * 6,
+ // century divisors
+ y,
+ y * 2,
+ y * 5,
+ y * 10,
+ y * 25,
+ y * 50,
+ y * 100,
+ ]);
+
+ // [0]: minimum num secs in the tick incr
+ // [1]: default tick format
+ // [2-7]: rollover tick formats
+ // [8]: mode: 0: replace [1] -> [2-7], 1: concat [1] + [2-7]
+ const _timeAxisStamps = [
+ // tick incr default year month day hour min sec mode
+ [y, yyyy, _, _, _, _, _, _, 1],
+ [d * 28, "{MMM}", NLyyyy, _, _, _, _, _, 1],
+ [d, md, NLyyyy, _, _, _, _, _, 1],
+ [h, "{h}" + aa, NLmdyy, _, NLmd, _, _, _, 1],
+ [m, hmmaa, NLmdyy, _, NLmd, _, _, _, 1],
+ [s, ss, NLmdyy + " " + hmmaa, _, NLmd + " " + hmmaa, _, NLhmmaa, _, 1],
+ [
+ ms,
+ ss + ".{fff}",
+ NLmdyy + " " + hmmaa,
+ _,
+ NLmd + " " + hmmaa,
+ _,
+ NLhmmaa,
+ _,
+ 1,
+ ],
+ ];
+
+ // the ensures that axis ticks, values & grid are aligned to logical temporal breakpoints and not an arbitrary timestamp
+ // https://www.timeanddate.com/time/dst/
+ // https://www.timeanddate.com/time/dst/2019.html
+ // https://www.epochconverter.com/timezones
+ function timeAxisSplits(tzDate) {
+ return (self, axisIdx, scaleMin, scaleMax, foundIncr, foundSpace) => {
+ let splits = [];
+ let isYr = foundIncr >= y;
+ let isMo = foundIncr >= mo && foundIncr < y;
+
+ // get the timezone-adjusted date
+ let minDate = tzDate(scaleMin);
+ let minDateTs = roundDec(minDate * ms, 3);
+
+ // get ts of 12am (this lands us at or before the original scaleMin)
+ let minMin = mkDate(
+ minDate.getFullYear(),
+ isYr ? 0 : minDate.getMonth(),
+ isMo || isYr ? 1 : minDate.getDate(),
+ );
+ let minMinTs = roundDec(minMin * ms, 3);
+
+ if (isMo || isYr) {
+ let moIncr = isMo ? foundIncr / mo : 0;
+ let yrIncr = isYr ? foundIncr / y : 0;
+ // let tzOffset = scaleMin - minDateTs; // needed?
+ let split =
+ minDateTs == minMinTs
+ ? minDateTs
+ : roundDec(
+ mkDate(
+ minMin.getFullYear() + yrIncr,
+ minMin.getMonth() + moIncr,
+ 1,
+ ) * ms,
+ 3,
+ );
+ let splitDate = new Date(round(split / ms));
+ let baseYear = splitDate.getFullYear();
+ let baseMonth = splitDate.getMonth();
+
+ for (let i = 0; split <= scaleMax; i++) {
+ let next = mkDate(baseYear + yrIncr * i, baseMonth + moIncr * i, 1);
+ let offs = next - tzDate(roundDec(next * ms, 3));
+
+ split = roundDec((+next + offs) * ms, 3);
+
+ if (split <= scaleMax) splits.push(split);
+ }
+ } else {
+ let incr0 = foundIncr >= d ? d : foundIncr;
+ let tzOffset = floor(scaleMin) - floor(minDateTs);
+ let split =
+ minMinTs + tzOffset + incrRoundUp(minDateTs - minMinTs, incr0);
+ splits.push(split);
+
+ let date0 = tzDate(split);
+
+ let prevHour =
+ date0.getHours() + date0.getMinutes() / m + date0.getSeconds() / h;
+ let incrHours = foundIncr / h;
+
+ let minSpace = self.axes[axisIdx]._space;
+ let pctSpace = foundSpace / minSpace;
+
+ while (1) {
+ split = roundDec(split + foundIncr, ms == 1 ? 0 : 3);
+
+ if (split > scaleMax) break;
+
+ if (incrHours > 1) {
+ let expectedHour = floor(roundDec(prevHour + incrHours, 6)) % 24;
+ let splitDate = tzDate(split);
+ let actualHour = splitDate.getHours();
+
+ let dstShift = actualHour - expectedHour;
+
+ if (dstShift > 1) dstShift = -1;
+
+ split -= dstShift * h;
+
+ prevHour = (prevHour + incrHours) % 24;
+
+ // add a tick only if it's further than 70% of the min allowed label spacing
+ let prevSplit = splits[splits.length - 1];
+ let pctIncr = roundDec((split - prevSplit) / foundIncr, 3);
+
+ if (pctIncr * pctSpace >= 0.7) splits.push(split);
+ } else splits.push(split);
+ }
+ }
+
+ return splits;
+ };
+ }
+
+ return [timeIncrs, _timeAxisStamps, timeAxisSplits];
+ }
+
+ const [timeIncrsMs, _timeAxisStampsMs, timeAxisSplitsMs] = genTimeStuffs(1);
+ const [timeIncrsS, _timeAxisStampsS, timeAxisSplitsS] = genTimeStuffs(1e-3);
+
+ // base 2
+ genIncrs(2, -53, 53, [1]);
+
+ /*
+ console.log({
+ decIncrs,
+ oneIncrs,
+ wholeIncrs,
+ numIncrs,
+ timeIncrs,
+ fixedDec,
+ });
+ */
+
+ function timeAxisStamps(stampCfg, fmtDate) {
+ return stampCfg.map((s) =>
+ s.map((v, i) =>
+ i == 0 || i == 8 || v == null
+ ? v
+ : fmtDate(i == 1 || s[8] == 0 ? v : s[1] + v),
+ ),
+ );
+ }
+
+ // TODO: will need to accept spaces[] and pull incr into the loop when grid will be non-uniform, eg for log scales.
+ // currently we ignore this for months since they're *nearly* uniform and the added complexity is not worth it
+ function timeAxisVals(tzDate, stamps) {
+ return (self, splits, axisIdx, foundSpace, foundIncr) => {
+ let s =
+ stamps.find((s) => foundIncr >= s[0]) || stamps[stamps.length - 1];
+
+ // these track boundaries when a full label is needed again
+ let prevYear;
+ let prevMnth;
+ let prevDate;
+ let prevHour;
+ let prevMins;
+ let prevSecs;
+
+ return splits.map((split) => {
+ let date = tzDate(split);
+
+ let newYear = date.getFullYear();
+ let newMnth = date.getMonth();
+ let newDate = date.getDate();
+ let newHour = date.getHours();
+ let newMins = date.getMinutes();
+ let newSecs = date.getSeconds();
+
+ let stamp =
+ (newYear != prevYear && s[2]) ||
+ (newMnth != prevMnth && s[3]) ||
+ (newDate != prevDate && s[4]) ||
+ (newHour != prevHour && s[5]) ||
+ (newMins != prevMins && s[6]) ||
+ (newSecs != prevSecs && s[7]) ||
+ s[1];
+
+ prevYear = newYear;
+ prevMnth = newMnth;
+ prevDate = newDate;
+ prevHour = newHour;
+ prevMins = newMins;
+ prevSecs = newSecs;
+
+ return stamp(date);
+ });
+ };
+ }
+
+ // for when axis.values is defined as a static fmtDate template string
+ function timeAxisVal(tzDate, dateTpl) {
+ let stamp = fmtDate(dateTpl);
+ return (self, splits, axisIdx, foundSpace, foundIncr) =>
+ splits.map((split) => stamp(tzDate(split)));
+ }
+
+ function mkDate(y, m, d) {
+ return new Date(y, m, d);
+ }
+
+ function timeSeriesStamp(stampCfg, fmtDate) {
+ return fmtDate(stampCfg);
+ }
+ const _timeSeriesStamp = "{YYYY}-{MM}-{DD} {h}:{mm}{aa}";
+
+ function timeSeriesVal(tzDate, stamp) {
+ return (self, val, seriesIdx, dataIdx) =>
+ dataIdx == null ? LEGEND_DISP : stamp(tzDate(val));
+ }
+
+ function legendStroke(self, seriesIdx) {
+ let s = self.series[seriesIdx];
+ return s.width
+ ? s.stroke(self, seriesIdx)
+ : s.points.width
+ ? s.points.stroke(self, seriesIdx)
+ : null;
+ }
+
+ function legendFill(self, seriesIdx) {
+ return self.series[seriesIdx].fill(self, seriesIdx);
+ }
+
+ const legendOpts = {
+ show: true,
+ live: true,
+ isolate: false,
+ mount: noop,
+ markers: {
+ show: true,
+ width: 2,
+ stroke: legendStroke,
+ fill: legendFill,
+ dash: "solid",
+ },
+ idx: null,
+ idxs: null,
+ values: [],
+ };
+
+ function cursorPointShow(self, si) {
+ let o = self.cursor.points;
+
+ let pt = placeDiv();
+
+ let size = o.size(self, si);
+ setStylePx(pt, WIDTH, size);
+ setStylePx(pt, HEIGHT, size);
+
+ let mar = size / -2;
+ setStylePx(pt, "marginLeft", mar);
+ setStylePx(pt, "marginTop", mar);
+
+ let width = o.width(self, si, size);
+ width && setStylePx(pt, "borderWidth", width);
+
+ return pt;
+ }
+
+ function cursorPointFill(self, si) {
+ let sp = self.series[si].points;
+ return sp._fill || sp._stroke;
+ }
+
+ function cursorPointStroke(self, si) {
+ let sp = self.series[si].points;
+ return sp._stroke || sp._fill;
+ }
+
+ function cursorPointSize(self, si) {
+ let sp = self.series[si].points;
+ return sp.size;
+ }
+
+ const moveTuple = [0, 0];
+
+ function cursorMove(self, mouseLeft1, mouseTop1) {
+ moveTuple[0] = mouseLeft1;
+ moveTuple[1] = mouseTop1;
+ return moveTuple;
+ }
+
+ function filtBtn0(self, targ, handle, onlyTarg = true) {
+ return (e) => {
+ e.button == 0 && (!onlyTarg || e.target == targ) && handle(e);
+ };
+ }
+
+ function filtTarg(self, targ, handle, onlyTarg = true) {
+ return (e) => {
+ (!onlyTarg || e.target == targ) && handle(e);
+ };
+ }
+
+ const cursorOpts = {
+ show: true,
+ x: true,
+ y: true,
+ lock: false,
+ move: cursorMove,
+ points: {
+ one: false,
+ show: cursorPointShow,
+ size: cursorPointSize,
+ width: 0,
+ stroke: cursorPointStroke,
+ fill: cursorPointFill,
+ },
+
+ bind: {
+ mousedown: filtBtn0,
+ mouseup: filtBtn0,
+ click: filtBtn0, // legend clicks, not .u-over clicks
+ dblclick: filtBtn0,
+
+ mousemove: filtTarg,
+ mouseleave: filtTarg,
+ mouseenter: filtTarg,
+ },
+
+ drag: {
+ setScale: true,
+ x: true,
+ y: false,
+ dist: 0,
+ uni: null,
+ click: (self, e) => {
+ // e.preventDefault();
+ e.stopPropagation();
+ e.stopImmediatePropagation();
+ },
+ _x: false,
+ _y: false,
+ },
+
+ focus: {
+ dist: (self, seriesIdx, dataIdx, valPos, curPos) => valPos - curPos,
+ prox: -1,
+ bias: 0,
+ },
+
+ hover: {
+ skip: [void 0],
+ prox: null,
+ bias: 0,
+ },
+
+ left: -10,
+ top: -10,
+ idx: null,
+ dataIdx: null,
+ idxs: null,
+
+ event: null,
+ };
+
+ const axisLines = {
+ show: true,
+ stroke: "rgba(0,0,0,0.07)",
+ width: 2,
+ // dash: [],
+ };
+
+ const grid = assign({}, axisLines, {
+ filter: retArg1,
+ });
+
+ const ticks = assign({}, grid, {
+ size: 10,
+ });
+
+ const border = assign({}, axisLines, {
+ show: false,
+ });
+
+ const font =
+ '12px system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"';
+ const labelFont = "bold " + font;
+ const lineGap = 1.5; // font-size multiplier
+
+ const xAxisOpts = {
+ show: true,
+ scale: "x",
+ stroke: hexBlack,
+ space: 50,
+ gap: 5,
+ alignTo: 1,
+ size: 50,
+ labelGap: 0,
+ labelSize: 30,
+ labelFont,
+ side: 2,
+ // class: "x-vals",
+ // incrs: timeIncrs,
+ // values: timeVals,
+ // filter: retArg1,
+ grid,
+ ticks,
+ border,
+ font,
+ lineGap,
+ rotate: 0,
+ };
+
+ const numSeriesLabel = "Value";
+ const timeSeriesLabel = "Time";
+
+ const xSeriesOpts = {
+ show: true,
+ scale: "x",
+ auto: false,
+ sorted: 1,
+ // label: "Time",
+ // value: v => stamp(new Date(v * 1e3)),
+
+ // internal caches
+ min: inf,
+ max: -inf,
+ idxs: [],
+ };
+
+ function numAxisVals(self, splits, axisIdx, foundSpace, foundIncr) {
+ return splits.map((v) => (v == null ? "" : fmtNum(v)));
+ }
+
+ function numAxisSplits(
+ self,
+ axisIdx,
+ scaleMin,
+ scaleMax,
+ foundIncr,
+ foundSpace,
+ forceMin,
+ ) {
+ let splits = [];
+
+ let numDec = fixedDec.get(foundIncr) || 0;
+
+ scaleMin = forceMin
+ ? scaleMin
+ : roundDec(incrRoundUp(scaleMin, foundIncr), numDec);
+
+ for (
+ let val = scaleMin;
+ val <= scaleMax;
+ val = roundDec(val + foundIncr, numDec)
+ )
+ splits.push(Object.is(val, -0) ? 0 : val); // coalesces -0
+
+ return splits;
+ }
+
+ // this doesnt work for sin, which needs to come off from 0 independently in pos and neg dirs
+ function logAxisSplits(
+ self,
+ axisIdx,
+ scaleMin,
+ scaleMax,
+ foundIncr,
+ foundSpace,
+ forceMin,
+ ) {
+ const splits = [];
+
+ const logBase = self.scales[self.axes[axisIdx].scale].log;
+
+ const logFn = logBase == 10 ? log10 : log2;
+
+ const exp = floor(logFn(scaleMin));
+
+ foundIncr = pow(logBase, exp);
+
+ // boo: 10 ** -24 === 1.0000000000000001e-24
+ // this grabs the proper 1e-24 one
+ if (logBase == 10) foundIncr = numIncrs[closestIdx(foundIncr, numIncrs)];
+
+ let split = scaleMin;
+ let nextMagIncr = foundIncr * logBase;
+
+ if (logBase == 10)
+ nextMagIncr = numIncrs[closestIdx(nextMagIncr, numIncrs)];
+
+ do {
+ splits.push(split);
+ split = split + foundIncr;
+
+ if (logBase == 10 && !fixedDec.has(split))
+ split = roundDec(split, fixedDec.get(foundIncr));
+
+ if (split >= nextMagIncr) {
+ foundIncr = split;
+ nextMagIncr = foundIncr * logBase;
+
+ if (logBase == 10)
+ nextMagIncr = numIncrs[closestIdx(nextMagIncr, numIncrs)];
+ }
+ } while (split <= scaleMax);
+
+ return splits;
+ }
+
+ function asinhAxisSplits(
+ self,
+ axisIdx,
+ scaleMin,
+ scaleMax,
+ foundIncr,
+ foundSpace,
+ forceMin,
+ ) {
+ let sc = self.scales[self.axes[axisIdx].scale];
+
+ let linthresh = sc.asinh;
+
+ let posSplits =
+ scaleMax > linthresh
+ ? logAxisSplits(
+ self,
+ axisIdx,
+ max(linthresh, scaleMin),
+ scaleMax,
+ foundIncr,
+ )
+ : [linthresh];
+ let zero = scaleMax >= 0 && scaleMin <= 0 ? [0] : [];
+ let negSplits =
+ scaleMin < -linthresh
+ ? logAxisSplits(
+ self,
+ axisIdx,
+ max(linthresh, -scaleMax),
+ -scaleMin,
+ foundIncr,
+ )
+ : [linthresh];
+
+ return negSplits
+ .reverse()
+ .map((v) => -v)
+ .concat(zero, posSplits);
+ }
+
+ const RE_ALL = /./;
+ const RE_12357 = /[12357]/;
+ const RE_125 = /[125]/;
+ const RE_1 = /1/;
+
+ const _filt = (splits, distr, re, keepMod) =>
+ splits.map((v, i) =>
+ (distr == 4 && v == 0) ||
+ (i % keepMod == 0 && re.test(v.toExponential()[v < 0 ? 1 : 0]))
+ ? v
+ : null,
+ );
+
+ function log10AxisValsFilt(self, splits, axisIdx, foundSpace, foundIncr) {
+ let axis = self.axes[axisIdx];
+ let scaleKey = axis.scale;
+ let sc = self.scales[scaleKey];
+
+ // if (sc.distr == 3 && sc.log == 2)
+ // return splits;
+
+ let valToPos = self.valToPos;
+
+ let minSpace = axis._space;
+
+ let _10 = valToPos(10, scaleKey);
+
+ let re =
+ valToPos(9, scaleKey) - _10 >= minSpace
+ ? RE_ALL
+ : valToPos(7, scaleKey) - _10 >= minSpace
+ ? RE_12357
+ : valToPos(5, scaleKey) - _10 >= minSpace
+ ? RE_125
+ : RE_1;
+
+ if (re == RE_1) {
+ let magSpace = abs(valToPos(1, scaleKey) - _10);
+
+ if (magSpace < minSpace)
+ return _filt(
+ splits.slice().reverse(),
+ sc.distr,
+ re,
+ ceil(minSpace / magSpace),
+ ).reverse(); // max->min skip
+ }
+
+ return _filt(splits, sc.distr, re, 1);
+ }
+
+ function log2AxisValsFilt(self, splits, axisIdx, foundSpace, foundIncr) {
+ let axis = self.axes[axisIdx];
+ let scaleKey = axis.scale;
+ let minSpace = axis._space;
+ let valToPos = self.valToPos;
+
+ let magSpace = abs(valToPos(1, scaleKey) - valToPos(2, scaleKey));
+
+ if (magSpace < minSpace)
+ return _filt(
+ splits.slice().reverse(),
+ 3,
+ RE_ALL,
+ ceil(minSpace / magSpace),
+ ).reverse(); // max->min skip
+
+ return splits;
+ }
+
+ function numSeriesVal(self, val, seriesIdx, dataIdx) {
+ return dataIdx == null ? LEGEND_DISP : val == null ? "" : fmtNum(val);
+ }
+
+ const yAxisOpts = {
+ show: true,
+ scale: "y",
+ stroke: hexBlack,
+ space: 30,
+ gap: 5,
+ alignTo: 1,
+ size: 50,
+ labelGap: 0,
+ labelSize: 30,
+ labelFont,
+ side: 3,
+ // class: "y-vals",
+ // incrs: numIncrs,
+ // values: (vals, space) => vals,
+ // filter: retArg1,
+ grid,
+ ticks,
+ border,
+ font,
+ lineGap,
+ rotate: 0,
+ };
+
+ // takes stroke width
+ function ptDia(width, mult) {
+ let dia = 3 + (width || 1) * 2;
+ return roundDec(dia * mult, 3);
+ }
+
+ function seriesPointsShow(self, si) {
+ let { scale, idxs } = self.series[0];
+ let xData = self._data[0];
+ let p0 = self.valToPos(xData[idxs[0]], scale, true);
+ let p1 = self.valToPos(xData[idxs[1]], scale, true);
+ let dim = abs(p1 - p0);
+
+ let s = self.series[si];
+ // const dia = ptDia(s.width, pxRatio);
+ let maxPts = dim / (s.points.space * pxRatio);
+ return idxs[1] - idxs[0] <= maxPts;
+ }
+
+ const facet = {
+ scale: null,
+ auto: true,
+ sorted: 0,
+
+ // internal caches
+ min: inf,
+ max: -inf,
+ };
+
+ const gaps = (self, seriesIdx, idx0, idx1, nullGaps) => nullGaps;
+
+ const xySeriesOpts = {
+ show: true,
+ auto: true,
+ sorted: 0,
+ gaps,
+ alpha: 1,
+ facets: [
+ assign({}, facet, { scale: "x" }),
+ assign({}, facet, { scale: "y" }),
+ ],
+ };
+
+ const ySeriesOpts = {
+ scale: "y",
+ auto: true,
+ sorted: 0,
+ show: true,
+ spanGaps: false,
+ gaps,
+ alpha: 1,
+ points: {
+ show: seriesPointsShow,
+ filter: null,
+ // paths:
+ // stroke: "#000",
+ // fill: "#fff",
+ // width: 1,
+ // size: 10,
+ },
+ // label: "Value",
+ // value: v => v,
+ values: null,
+
+ // internal caches
+ min: inf,
+ max: -inf,
+ idxs: [],
+
+ path: null,
+ clip: null,
+ };
+
+ function clampScale(self, val, scaleMin, scaleMax, scaleKey) {
+ /*
+ if (val < 0) {
+ let cssHgt = self.bbox.height / pxRatio;
+ let absPos = self.valToPos(abs(val), scaleKey);
+ let fromBtm = cssHgt - absPos;
+ return self.posToVal(cssHgt + fromBtm, scaleKey);
+ }
+ */
+ return scaleMin / 10;
+ }
+
+ const xScaleOpts = {
+ time: FEAT_TIME,
+ auto: true,
+ distr: 1,
+ log: 10,
+ asinh: 1,
+ min: null,
+ max: null,
+ dir: 1,
+ ori: 0,
+ };
+
+ const yScaleOpts = assign({}, xScaleOpts, {
+ time: false,
+ ori: 1,
+ });
+
+ const syncs = {};
+
+ function _sync(key, opts) {
+ let s = syncs[key];
+
+ if (!s) {
+ s = {
+ key,
+ plots: [],
+ sub(plot) {
+ s.plots.push(plot);
+ },
+ unsub(plot) {
+ s.plots = s.plots.filter((c) => c != plot);
+ },
+ pub(type, self, x, y, w, h, i) {
+ for (let j = 0; j < s.plots.length; j++)
+ s.plots[j] != self && s.plots[j].pub(type, self, x, y, w, h, i);
+ },
+ };
+
+ if (key != null) syncs[key] = s;
+ }
+
+ return s;
+ }
+
+ const BAND_CLIP_FILL = 1 << 0;
+ const BAND_CLIP_STROKE = 1 << 1;
+
+ function orient(u, seriesIdx, cb) {
+ const mode = u.mode;
+ const series = u.series[seriesIdx];
+ const data = mode == 2 ? u._data[seriesIdx] : u._data;
+ const scales = u.scales;
+ const bbox = u.bbox;
+
+ let dx = data[0],
+ dy = mode == 2 ? data[1] : data[seriesIdx],
+ sx =
+ mode == 2 ? scales[series.facets[0].scale] : scales[u.series[0].scale],
+ sy = mode == 2 ? scales[series.facets[1].scale] : scales[series.scale],
+ l = bbox.left,
+ t = bbox.top,
+ w = bbox.width,
+ h = bbox.height,
+ H = u.valToPosH,
+ V = u.valToPosV;
+
+ return sx.ori == 0
+ ? cb(
+ series,
+ dx,
+ dy,
+ sx,
+ sy,
+ H,
+ V,
+ l,
+ t,
+ w,
+ h,
+ moveToH,
+ lineToH,
+ rectH,
+ arcH,
+ bezierCurveToH,
+ )
+ : cb(
+ series,
+ dx,
+ dy,
+ sx,
+ sy,
+ V,
+ H,
+ t,
+ l,
+ h,
+ w,
+ moveToV,
+ lineToV,
+ rectV,
+ arcV,
+ bezierCurveToV,
+ );
+ }
+
+ function bandFillClipDirs(self, seriesIdx) {
+ let fillDir = 0;
+
+ // 2 bits, -1 | 1
+ let clipDirs = 0;
+
+ let bands = ifNull(self.bands, EMPTY_ARR);
+
+ for (let i = 0; i < bands.length; i++) {
+ let b = bands[i];
+
+ // is a "from" band edge
+ if (b.series[0] == seriesIdx) fillDir = b.dir;
+ // is a "to" band edge
+ else if (b.series[1] == seriesIdx) {
+ if (b.dir == 1) clipDirs |= 1;
+ else clipDirs |= 2;
+ }
+ }
+
+ return [
+ fillDir,
+ clipDirs == 1
+ ? -1 // neg only
+ : clipDirs == 2
+ ? 1 // pos only
+ : clipDirs == 3
+ ? 2 // both
+ : 0, // neither
+ ];
+ }
+
+ function seriesFillTo(self, seriesIdx, dataMin, dataMax, bandFillDir) {
+ let mode = self.mode;
+ let series = self.series[seriesIdx];
+ let scaleKey = mode == 2 ? series.facets[1].scale : series.scale;
+ let scale = self.scales[scaleKey];
+
+ return bandFillDir == -1
+ ? scale.min
+ : bandFillDir == 1
+ ? scale.max
+ : scale.distr == 3
+ ? scale.dir == 1
+ ? scale.min
+ : scale.max
+ : 0;
+ }
+
+ // creates inverted band clip path (from stroke path -> yMax || yMin)
+ // clipDir is always inverse of fillDir
+ // default clip dir is upwards (1), since default band fill is downwards/fillBelowTo (-1) (highIdx -> lowIdx)
+ function clipBandLine(self, seriesIdx, idx0, idx1, strokePath, clipDir) {
+ return orient(
+ self,
+ seriesIdx,
+ (
+ series,
+ dataX,
+ dataY,
+ scaleX,
+ scaleY,
+ valToPosX,
+ valToPosY,
+ xOff,
+ yOff,
+ xDim,
+ yDim,
+ ) => {
+ let pxRound = series.pxRound;
+
+ const dir = scaleX.dir * (scaleX.ori == 0 ? 1 : -1);
+ const lineTo = scaleX.ori == 0 ? lineToH : lineToV;
+
+ let frIdx, toIdx;
+
+ if (dir == 1) {
+ frIdx = idx0;
+ toIdx = idx1;
+ } else {
+ frIdx = idx1;
+ toIdx = idx0;
+ }
+
+ // path start
+ let x0 = pxRound(valToPosX(dataX[frIdx], scaleX, xDim, xOff));
+ let y0 = pxRound(valToPosY(dataY[frIdx], scaleY, yDim, yOff));
+ // path end x
+ let x1 = pxRound(valToPosX(dataX[toIdx], scaleX, xDim, xOff));
+ // upper or lower y limit
+ let yLimit = pxRound(
+ valToPosY(clipDir == 1 ? scaleY.max : scaleY.min, scaleY, yDim, yOff),
+ );
+
+ let clip = new Path2D(strokePath);
+
+ lineTo(clip, x1, yLimit);
+ lineTo(clip, x0, yLimit);
+ lineTo(clip, x0, y0);
+
+ return clip;
+ },
+ );
+ }
+
+ function clipGaps(gaps, ori, plotLft, plotTop, plotWid, plotHgt) {
+ let clip = null;
+
+ // create clip path (invert gaps and non-gaps)
+ if (gaps.length > 0) {
+ clip = new Path2D();
+
+ const rect = ori == 0 ? rectH : rectV;
+
+ let prevGapEnd = plotLft;
+
+ for (let i = 0; i < gaps.length; i++) {
+ let g = gaps[i];
+
+ if (g[1] > g[0]) {
+ let w = g[0] - prevGapEnd;
+
+ w > 0 && rect(clip, prevGapEnd, plotTop, w, plotTop + plotHgt);
+
+ prevGapEnd = g[1];
+ }
+ }
+
+ let w = plotLft + plotWid - prevGapEnd;
+
+ // hack to ensure we expand the clip enough to avoid cutting off strokes at edges
+ let maxStrokeWidth = 10;
+
+ w > 0 &&
+ rect(
+ clip,
+ prevGapEnd,
+ plotTop - maxStrokeWidth / 2,
+ w,
+ plotTop + plotHgt + maxStrokeWidth,
+ );
+ }
+
+ return clip;
+ }
+
+ function addGap(gaps, fromX, toX) {
+ let prevGap = gaps[gaps.length - 1];
+
+ if (prevGap && prevGap[0] == fromX)
+ // TODO: gaps must be encoded at stroke widths?
+ prevGap[1] = toX;
+ else gaps.push([fromX, toX]);
+ }
+
+ function findGaps(xs, ys, idx0, idx1, dir, pixelForX, align) {
+ let gaps = [];
+ let len = xs.length;
+
+ for (let i = dir == 1 ? idx0 : idx1; i >= idx0 && i <= idx1; i += dir) {
+ let yVal = ys[i];
+
+ if (yVal === null) {
+ let fr = i,
+ to = i;
+
+ if (dir == 1) {
+ while (++i <= idx1 && ys[i] === null) to = i;
+ } else {
+ while (--i >= idx0 && ys[i] === null) to = i;
+ }
+
+ let frPx = pixelForX(xs[fr]);
+ let toPx = to == fr ? frPx : pixelForX(xs[to]);
+
+ // if value adjacent to edge null is same pixel, then it's partially
+ // filled and gap should start at next pixel
+ let fri2 = fr - dir;
+ let frPx2 =
+ align <= 0 && fri2 >= 0 && fri2 < len ? pixelForX(xs[fri2]) : frPx;
+ // if (frPx2 == frPx)
+ // frPx++;
+ // else
+ frPx = frPx2;
+
+ let toi2 = to + dir;
+ let toPx2 =
+ align >= 0 && toi2 >= 0 && toi2 < len ? pixelForX(xs[toi2]) : toPx;
+ // if (toPx2 == toPx)
+ // toPx--;
+ // else
+ toPx = toPx2;
+
+ if (toPx >= frPx) gaps.push([frPx, toPx]); // addGap
+ }
+ }
+
+ return gaps;
+ }
+
+ function pxRoundGen(pxAlign) {
+ return pxAlign == 0
+ ? retArg0
+ : pxAlign == 1
+ ? round
+ : (v) => incrRound(v, pxAlign);
+ }
+
+ /*
+ // inefficient linear interpolation that does bi-directinal scans on each call
+ export function costlyLerp(i, idx0, idx1, _dirX, dataY) {
+ let prevNonNull = nonNullIdx(dataY, _dirX == 1 ? idx0 : idx1, i, -_dirX);
+ let nextNonNull = nonNullIdx(dataY, i, _dirX == 1 ? idx1 : idx0, _dirX);
+
+ let prevVal = dataY[prevNonNull];
+ let nextVal = dataY[nextNonNull];
+
+ return prevVal + (i - prevNonNull) / (nextNonNull - prevNonNull) * (nextVal - prevVal);
+ }
+ */
+
+ function rect(ori) {
+ let moveTo = ori == 0 ? moveToH : moveToV;
+
+ let arcTo =
+ ori == 0
+ ? (p, x1, y1, x2, y2, r) => {
+ p.arcTo(x1, y1, x2, y2, r);
+ }
+ : (p, y1, x1, y2, x2, r) => {
+ p.arcTo(x1, y1, x2, y2, r);
+ };
+
+ let rect =
+ ori == 0
+ ? (p, x, y, w, h) => {
+ p.rect(x, y, w, h);
+ }
+ : (p, y, x, h, w) => {
+ p.rect(x, y, w, h);
+ };
+
+ // TODO (pending better browser support): https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/roundRect
+ return (p, x, y, w, h, endRad = 0, baseRad = 0) => {
+ if (endRad == 0 && baseRad == 0) rect(p, x, y, w, h);
+ else {
+ endRad = min(endRad, w / 2, h / 2);
+ baseRad = min(baseRad, w / 2, h / 2);
+
+ // adapted from https://stackoverflow.com/questions/1255512/how-to-draw-a-rounded-rectangle-using-html-canvas/7838871#7838871
+ moveTo(p, x + endRad, y);
+ arcTo(p, x + w, y, x + w, y + h, endRad);
+ arcTo(p, x + w, y + h, x, y + h, baseRad);
+ arcTo(p, x, y + h, x, y, baseRad);
+ arcTo(p, x, y, x + w, y, endRad);
+ p.closePath();
+ }
+ };
+ }
+
+ // orientation-inverting canvas functions
+ const moveToH = (p, x, y) => {
+ p.moveTo(x, y);
+ };
+ const moveToV = (p, y, x) => {
+ p.moveTo(x, y);
+ };
+ const lineToH = (p, x, y) => {
+ p.lineTo(x, y);
+ };
+ const lineToV = (p, y, x) => {
+ p.lineTo(x, y);
+ };
+ const rectH = rect(0);
+ const rectV = rect(1);
+ const arcH = (p, x, y, r, startAngle, endAngle) => {
+ p.arc(x, y, r, startAngle, endAngle);
+ };
+ const arcV = (p, y, x, r, startAngle, endAngle) => {
+ p.arc(x, y, r, startAngle, endAngle);
+ };
+ const bezierCurveToH = (p, bp1x, bp1y, bp2x, bp2y, p2x, p2y) => {
+ p.bezierCurveTo(bp1x, bp1y, bp2x, bp2y, p2x, p2y);
+ };
+ const bezierCurveToV = (p, bp1y, bp1x, bp2y, bp2x, p2y, p2x) => {
+ p.bezierCurveTo(bp1x, bp1y, bp2x, bp2y, p2x, p2y);
+ };
+
+ // TODO: drawWrap(seriesIdx, drawPoints) (save, restore, translate, clip)
+ function points(opts) {
+ return (u, seriesIdx, idx0, idx1, filtIdxs) => {
+ // log("drawPoints()", arguments);
+
+ return orient(
+ u,
+ seriesIdx,
+ (
+ series,
+ dataX,
+ dataY,
+ scaleX,
+ scaleY,
+ valToPosX,
+ valToPosY,
+ xOff,
+ yOff,
+ xDim,
+ yDim,
+ ) => {
+ let { pxRound, points } = series;
+
+ let moveTo, arc;
+
+ if (scaleX.ori == 0) {
+ moveTo = moveToH;
+ arc = arcH;
+ } else {
+ moveTo = moveToV;
+ arc = arcV;
+ }
+
+ const width = roundDec(points.width * pxRatio, 3);
+
+ let rad = ((points.size - points.width) / 2) * pxRatio;
+ let dia = roundDec(rad * 2, 3);
+
+ let fill = new Path2D();
+ let clip = new Path2D();
+
+ let { left: lft, top: top, width: wid, height: hgt } = u.bbox;
+
+ rectH(clip, lft - dia, top - dia, wid + dia * 2, hgt + dia * 2);
+
+ const drawPoint = (pi) => {
+ if (dataY[pi] != null) {
+ let x = pxRound(valToPosX(dataX[pi], scaleX, xDim, xOff));
+ let y = pxRound(valToPosY(dataY[pi], scaleY, yDim, yOff));
+
+ moveTo(fill, x + rad, y);
+ arc(fill, x, y, rad, 0, PI * 2);
+ }
+ };
+
+ if (filtIdxs) filtIdxs.forEach(drawPoint);
+ else {
+ for (let pi = idx0; pi <= idx1; pi++) drawPoint(pi);
+ }
+
+ return {
+ stroke: width > 0 ? fill : null,
+ fill,
+ clip,
+ flags: BAND_CLIP_FILL | BAND_CLIP_STROKE,
+ };
+ },
+ );
+ };
+ }
+
+ function _drawAcc(lineTo) {
+ return (stroke, accX, minY, maxY, inY, outY) => {
+ if (minY != maxY) {
+ if (inY != minY && outY != minY) lineTo(stroke, accX, minY);
+ if (inY != maxY && outY != maxY) lineTo(stroke, accX, maxY);
+
+ lineTo(stroke, accX, outY);
+ }
+ };
+ }
+
+ const drawAccH = _drawAcc(lineToH);
+ const drawAccV = _drawAcc(lineToV);
+
+ function linear(opts) {
+ const alignGaps = ifNull(opts?.alignGaps, 0);
+
+ return (u, seriesIdx, idx0, idx1) => {
+ return orient(
+ u,
+ seriesIdx,
+ (
+ series,
+ dataX,
+ dataY,
+ scaleX,
+ scaleY,
+ valToPosX,
+ valToPosY,
+ xOff,
+ yOff,
+ xDim,
+ yDim,
+ ) => {
+ [idx0, idx1] = nonNullIdxs(dataY, idx0, idx1);
+
+ let pxRound = series.pxRound;
+
+ let pixelForX = (val) => pxRound(valToPosX(val, scaleX, xDim, xOff));
+ let pixelForY = (val) => pxRound(valToPosY(val, scaleY, yDim, yOff));
+
+ let lineTo, drawAcc;
+
+ if (scaleX.ori == 0) {
+ lineTo = lineToH;
+ drawAcc = drawAccH;
+ } else {
+ lineTo = lineToV;
+ drawAcc = drawAccV;
+ }
+
+ const dir = scaleX.dir * (scaleX.ori == 0 ? 1 : -1);
+
+ const _paths = {
+ stroke: new Path2D(),
+ fill: null,
+ clip: null,
+ band: null,
+ gaps: null,
+ flags: BAND_CLIP_FILL,
+ };
+ const stroke = _paths.stroke;
+
+ let hasGap = false;
+
+ // decimate when number of points >= 4x available pixels
+ const decimate = idx1 - idx0 >= xDim * 4;
+
+ if (decimate) {
+ let xForPixel = (pos) => u.posToVal(pos, scaleX.key, true);
+
+ let minY = null,
+ maxY = null,
+ inY,
+ outY,
+ drawnAtX;
+
+ let accX = pixelForX(dataX[dir == 1 ? idx0 : idx1]);
+
+ let idx0px = pixelForX(dataX[idx0]);
+ let idx1px = pixelForX(dataX[idx1]);
+
+ // tracks limit of current x bucket to avoid having to get x pixel for every x value
+ let nextAccXVal = xForPixel(dir == 1 ? idx0px + 1 : idx1px - 1);
+
+ for (
+ let i = dir == 1 ? idx0 : idx1;
+ i >= idx0 && i <= idx1;
+ i += dir
+ ) {
+ let xVal = dataX[i];
+ let reuseAccX =
+ dir == 1 ? xVal < nextAccXVal : xVal > nextAccXVal;
+ let x = reuseAccX ? accX : pixelForX(xVal);
+
+ let yVal = dataY[i];
+
+ if (x == accX) {
+ if (yVal != null) {
+ outY = yVal;
+
+ if (minY == null) {
+ lineTo(stroke, x, pixelForY(outY));
+ inY = minY = maxY = outY;
+ } else {
+ if (outY < minY) minY = outY;
+ else if (outY > maxY) maxY = outY;
+ }
+ } else {
+ if (yVal === null) hasGap = true;
+ }
+ } else {
+ if (minY != null)
+ drawAcc(
+ stroke,
+ accX,
+ pixelForY(minY),
+ pixelForY(maxY),
+ pixelForY(inY),
+ pixelForY(outY),
+ );
+
+ if (yVal != null) {
+ outY = yVal;
+ lineTo(stroke, x, pixelForY(outY));
+ minY = maxY = inY = outY;
+ } else {
+ minY = maxY = null;
+
+ if (yVal === null) hasGap = true;
+ }
+
+ accX = x;
+ nextAccXVal = xForPixel(accX + dir);
+ }
+ }
+
+ if (minY != null && minY != maxY && drawnAtX != accX)
+ drawAcc(
+ stroke,
+ accX,
+ pixelForY(minY),
+ pixelForY(maxY),
+ pixelForY(inY),
+ pixelForY(outY),
+ );
+ } else {
+ for (
+ let i = dir == 1 ? idx0 : idx1;
+ i >= idx0 && i <= idx1;
+ i += dir
+ ) {
+ let yVal = dataY[i];
+
+ if (yVal === null) hasGap = true;
+ else if (yVal != null)
+ lineTo(stroke, pixelForX(dataX[i]), pixelForY(yVal));
+ }
+ }
+
+ let [bandFillDir, bandClipDir] = bandFillClipDirs(u, seriesIdx);
+
+ if (series.fill != null || bandFillDir != 0) {
+ let fill = (_paths.fill = new Path2D(stroke));
+
+ let fillToVal = series.fillTo(
+ u,
+ seriesIdx,
+ series.min,
+ series.max,
+ bandFillDir,
+ );
+ let fillToY = pixelForY(fillToVal);
+
+ let frX = pixelForX(dataX[idx0]);
+ let toX = pixelForX(dataX[idx1]);
+
+ if (dir == -1) [toX, frX] = [frX, toX];
+
+ lineTo(fill, toX, fillToY);
+ lineTo(fill, frX, fillToY);
+ }
+
+ if (!series.spanGaps) {
+ // skip in mode: 2?
+ // console.time('gaps');
+ let gaps = [];
+
+ hasGap &&
+ gaps.push(
+ ...findGaps(
+ dataX,
+ dataY,
+ idx0,
+ idx1,
+ dir,
+ pixelForX,
+ alignGaps,
+ ),
+ );
+
+ // console.timeEnd('gaps');
+
+ // console.log('gaps', JSON.stringify(gaps));
+
+ _paths.gaps = gaps = series.gaps(u, seriesIdx, idx0, idx1, gaps);
+
+ _paths.clip = clipGaps(gaps, scaleX.ori, xOff, yOff, xDim, yDim);
+ }
+
+ if (bandClipDir != 0) {
+ _paths.band =
+ bandClipDir == 2
+ ? [
+ clipBandLine(u, seriesIdx, idx0, idx1, stroke, -1),
+ clipBandLine(u, seriesIdx, idx0, idx1, stroke, 1),
+ ]
+ : clipBandLine(u, seriesIdx, idx0, idx1, stroke, bandClipDir);
+ }
+
+ return _paths;
+ },
+ );
+ };
+ }
+
+ // BUG: align: -1 behaves like align: 1 when scale.dir: -1
+ function stepped(opts) {
+ const align = ifNull(opts.align, 1);
+ // whether to draw ascenders/descenders at null/gap bondaries
+ const ascDesc = ifNull(opts.ascDesc, false);
+ const alignGaps = ifNull(opts.alignGaps, 0);
+ const extend = ifNull(opts.extend, false);
+
+ return (u, seriesIdx, idx0, idx1) => {
+ return orient(
+ u,
+ seriesIdx,
+ (
+ series,
+ dataX,
+ dataY,
+ scaleX,
+ scaleY,
+ valToPosX,
+ valToPosY,
+ xOff,
+ yOff,
+ xDim,
+ yDim,
+ ) => {
+ [idx0, idx1] = nonNullIdxs(dataY, idx0, idx1);
+
+ let pxRound = series.pxRound;
+
+ let { left, width } = u.bbox;
+
+ let pixelForX = (val) => pxRound(valToPosX(val, scaleX, xDim, xOff));
+ let pixelForY = (val) => pxRound(valToPosY(val, scaleY, yDim, yOff));
+
+ let lineTo = scaleX.ori == 0 ? lineToH : lineToV;
+
+ const _paths = {
+ stroke: new Path2D(),
+ fill: null,
+ clip: null,
+ band: null,
+ gaps: null,
+ flags: BAND_CLIP_FILL,
+ };
+ const stroke = _paths.stroke;
+
+ const dir = scaleX.dir * (scaleX.ori == 0 ? 1 : -1);
+
+ let prevYPos = pixelForY(dataY[dir == 1 ? idx0 : idx1]);
+ let firstXPos = pixelForX(dataX[dir == 1 ? idx0 : idx1]);
+ let prevXPos = firstXPos;
+
+ let firstXPosExt = firstXPos;
+
+ if (extend && align == -1) {
+ firstXPosExt = left;
+ lineTo(stroke, firstXPosExt, prevYPos);
+ }
+
+ lineTo(stroke, firstXPos, prevYPos);
+
+ for (
+ let i = dir == 1 ? idx0 : idx1;
+ i >= idx0 && i <= idx1;
+ i += dir
+ ) {
+ let yVal1 = dataY[i];
+
+ if (yVal1 == null) continue;
+
+ let x1 = pixelForX(dataX[i]);
+ let y1 = pixelForY(yVal1);
+
+ if (align == 1) lineTo(stroke, x1, prevYPos);
+ else lineTo(stroke, prevXPos, y1);
+
+ lineTo(stroke, x1, y1);
+
+ prevYPos = y1;
+ prevXPos = x1;
+ }
+
+ let prevXPosExt = prevXPos;
+
+ if (extend && align == 1) {
+ prevXPosExt = left + width;
+ lineTo(stroke, prevXPosExt, prevYPos);
+ }
+
+ let [bandFillDir, bandClipDir] = bandFillClipDirs(u, seriesIdx);
+
+ if (series.fill != null || bandFillDir != 0) {
+ let fill = (_paths.fill = new Path2D(stroke));
+
+ let fillTo = series.fillTo(
+ u,
+ seriesIdx,
+ series.min,
+ series.max,
+ bandFillDir,
+ );
+ let fillToY = pixelForY(fillTo);
+
+ lineTo(fill, prevXPosExt, fillToY);
+ lineTo(fill, firstXPosExt, fillToY);
+ }
+
+ if (!series.spanGaps) {
+ // console.time('gaps');
+ let gaps = [];
+
+ gaps.push(
+ ...findGaps(dataX, dataY, idx0, idx1, dir, pixelForX, alignGaps),
+ );
+
+ // console.timeEnd('gaps');
+
+ // console.log('gaps', JSON.stringify(gaps));
+
+ // expand/contract clips for ascenders/descenders
+ let halfStroke = (series.width * pxRatio) / 2;
+ let startsOffset = ascDesc || align == 1 ? halfStroke : -halfStroke;
+ let endsOffset = ascDesc || align == -1 ? -halfStroke : halfStroke;
+
+ gaps.forEach((g) => {
+ g[0] += startsOffset;
+ g[1] += endsOffset;
+ });
+
+ _paths.gaps = gaps = series.gaps(u, seriesIdx, idx0, idx1, gaps);
+
+ _paths.clip = clipGaps(gaps, scaleX.ori, xOff, yOff, xDim, yDim);
+ }
+
+ if (bandClipDir != 0) {
+ _paths.band =
+ bandClipDir == 2
+ ? [
+ clipBandLine(u, seriesIdx, idx0, idx1, stroke, -1),
+ clipBandLine(u, seriesIdx, idx0, idx1, stroke, 1),
+ ]
+ : clipBandLine(u, seriesIdx, idx0, idx1, stroke, bandClipDir);
+ }
+
+ return _paths;
+ },
+ );
+ };
+ }
+
+ function findColWidth(
+ dataX,
+ dataY,
+ valToPosX,
+ scaleX,
+ xDim,
+ xOff,
+ colWid = inf,
+ ) {
+ if (dataX.length > 1) {
+ // prior index with non-undefined y data
+ let prevIdx = null;
+
+ // scan full dataset for smallest adjacent delta
+ // will not work properly for non-linear x scales, since does not do expensive valToPosX calcs till end
+ for (let i = 0, minDelta = Infinity; i < dataX.length; i++) {
+ if (dataY[i] !== undefined) {
+ if (prevIdx != null) {
+ let delta = abs(dataX[i] - dataX[prevIdx]);
+
+ if (delta < minDelta) {
+ minDelta = delta;
+ colWid = abs(
+ valToPosX(dataX[i], scaleX, xDim, xOff) -
+ valToPosX(dataX[prevIdx], scaleX, xDim, xOff),
+ );
+ }
+ }
+
+ prevIdx = i;
+ }
+ }
+ }
+
+ return colWid;
+ }
+
+ function bars(opts) {
+ opts = opts || EMPTY_OBJ;
+ const size = ifNull(opts.size, [0.6, inf, 1]);
+ const align = opts.align || 0;
+ const _extraGap = opts.gap || 0;
+
+ let ro = opts.radius;
+
+ ro =
+ // [valueRadius, baselineRadius]
+ ro == null ? [0, 0] : typeof ro == "number" ? [ro, 0] : ro;
+
+ const radiusFn = fnOrSelf(ro);
+
+ const gapFactor = 1 - size[0];
+ const _maxWidth = ifNull(size[1], inf);
+ const _minWidth = ifNull(size[2], 1);
+
+ const disp = ifNull(opts.disp, EMPTY_OBJ);
+ const _each = ifNull(opts.each, (_) => {});
+
+ const { fill: dispFills, stroke: dispStrokes } = disp;
+
+ return (u, seriesIdx, idx0, idx1) => {
+ return orient(
+ u,
+ seriesIdx,
+ (
+ series,
+ dataX,
+ dataY,
+ scaleX,
+ scaleY,
+ valToPosX,
+ valToPosY,
+ xOff,
+ yOff,
+ xDim,
+ yDim,
+ ) => {
+ let pxRound = series.pxRound;
+ let _align = align;
+
+ let extraGap = _extraGap * pxRatio;
+ let maxWidth = _maxWidth * pxRatio;
+ let minWidth = _minWidth * pxRatio;
+
+ let valRadius, baseRadius;
+
+ if (scaleX.ori == 0) [valRadius, baseRadius] = radiusFn(u, seriesIdx);
+ else [baseRadius, valRadius] = radiusFn(u, seriesIdx);
+
+ const _dirX = scaleX.dir * (scaleX.ori == 0 ? 1 : -1);
+ // const _dirY = scaleY.dir * (scaleY.ori == 1 ? 1 : -1);
+
+ let rect = scaleX.ori == 0 ? rectH : rectV;
+
+ let each =
+ scaleX.ori == 0
+ ? _each
+ : (u, seriesIdx, i, top, lft, hgt, wid) => {
+ _each(u, seriesIdx, i, lft, top, wid, hgt);
+ };
+
+ // band where this series is the "from" edge
+ let band = ifNull(u.bands, EMPTY_ARR).find(
+ (b) => b.series[0] == seriesIdx,
+ );
+
+ let fillDir = band != null ? band.dir : 0;
+ let fillTo = series.fillTo(
+ u,
+ seriesIdx,
+ series.min,
+ series.max,
+ fillDir,
+ );
+ let fillToY = pxRound(valToPosY(fillTo, scaleY, yDim, yOff));
+
+ // barWid is to center of stroke
+ let xShift,
+ barWid,
+ fullGap,
+ colWid = xDim;
+
+ let strokeWidth = pxRound(series.width * pxRatio);
+
+ let multiPath = false;
+
+ let fillColors = null;
+ let fillPaths = null;
+ let strokeColors = null;
+ let strokePaths = null;
+
+ if (dispFills != null && (strokeWidth == 0 || dispStrokes != null)) {
+ multiPath = true;
+
+ fillColors = dispFills.values(u, seriesIdx, idx0, idx1);
+ fillPaths = new Map();
+ new Set(fillColors).forEach((color) => {
+ if (color != null) fillPaths.set(color, new Path2D());
+ });
+
+ if (strokeWidth > 0) {
+ strokeColors = dispStrokes.values(u, seriesIdx, idx0, idx1);
+ strokePaths = new Map();
+ new Set(strokeColors).forEach((color) => {
+ if (color != null) strokePaths.set(color, new Path2D());
+ });
+ }
+ }
+
+ let { x0, size } = disp;
+
+ if (x0 != null && size != null) {
+ _align = 1;
+ dataX = x0.values(u, seriesIdx, idx0, idx1);
+
+ if (x0.unit == 2)
+ dataX = dataX.map((pct) =>
+ u.posToVal(xOff + pct * xDim, scaleX.key, true),
+ );
+
+ // assumes uniform sizes, for now
+ let sizes = size.values(u, seriesIdx, idx0, idx1);
+
+ if (size.unit == 2) barWid = sizes[0] * xDim;
+ else
+ barWid =
+ valToPosX(sizes[0], scaleX, xDim, xOff) -
+ valToPosX(0, scaleX, xDim, xOff); // assumes linear scale (delta from 0)
+
+ colWid = findColWidth(
+ dataX,
+ dataY,
+ valToPosX,
+ scaleX,
+ xDim,
+ xOff,
+ colWid,
+ );
+
+ let gapWid = colWid - barWid;
+ fullGap = gapWid + extraGap;
+ } else {
+ colWid = findColWidth(
+ dataX,
+ dataY,
+ valToPosX,
+ scaleX,
+ xDim,
+ xOff,
+ colWid,
+ );
+
+ let gapWid = colWid * gapFactor;
+
+ fullGap = gapWid + extraGap;
+ barWid = colWid - fullGap;
+ }
+
+ if (fullGap < 1) fullGap = 0;
+
+ if (strokeWidth >= barWid / 2) strokeWidth = 0;
+
+ // for small gaps, disable pixel snapping since gap inconsistencies become noticible and annoying
+ if (fullGap < 5) pxRound = retArg0;
+
+ let insetStroke = fullGap > 0;
+
+ let rawBarWid = colWid - fullGap - (insetStroke ? strokeWidth : 0);
+
+ barWid = pxRound(clamp(rawBarWid, minWidth, maxWidth));
+
+ xShift =
+ (_align == 0 ? barWid / 2 : _align == _dirX ? 0 : barWid) -
+ _align *
+ _dirX *
+ ((_align == 0 ? extraGap / 2 : 0) +
+ (insetStroke ? strokeWidth / 2 : 0));
+
+ const _paths = {
+ stroke: null,
+ fill: null,
+ clip: null,
+ band: null,
+ gaps: null,
+ flags: 0,
+ }; // disp, geom
+
+ const stroke = multiPath ? null : new Path2D();
+
+ let dataY0 = null;
+
+ if (band != null) dataY0 = u.data[band.series[1]];
+ else {
+ let { y0, y1 } = disp;
+
+ if (y0 != null && y1 != null) {
+ dataY = y1.values(u, seriesIdx, idx0, idx1);
+ dataY0 = y0.values(u, seriesIdx, idx0, idx1);
+ }
+ }
+
+ let radVal = valRadius * barWid;
+ let radBase = baseRadius * barWid;
+
+ for (
+ let i = _dirX == 1 ? idx0 : idx1;
+ i >= idx0 && i <= idx1;
+ i += _dirX
+ ) {
+ let yVal = dataY[i];
+
+ if (yVal == null) continue;
+
+ if (dataY0 != null) {
+ let yVal0 = dataY0[i] ?? 0;
+
+ if (yVal - yVal0 == 0) continue;
+
+ fillToY = valToPosY(yVal0, scaleY, yDim, yOff);
+ }
+
+ let xVal = scaleX.distr != 2 || disp != null ? dataX[i] : i;
+
+ // TODO: all xPos can be pre-computed once for all series in aligned set
+ let xPos = valToPosX(xVal, scaleX, xDim, xOff);
+ let yPos = valToPosY(ifNull(yVal, fillTo), scaleY, yDim, yOff);
+
+ let lft = pxRound(xPos - xShift);
+ let btm = pxRound(max(yPos, fillToY));
+ let top = pxRound(min(yPos, fillToY));
+ // this includes the stroke
+ let barHgt = btm - top;
+
+ if (yVal != null) {
+ // && yVal != fillTo (0 height bar)
+ let rv = yVal < 0 ? radBase : radVal;
+ let rb = yVal < 0 ? radVal : radBase;
+
+ if (multiPath) {
+ if (strokeWidth > 0 && strokeColors[i] != null)
+ rect(
+ strokePaths.get(strokeColors[i]),
+ lft,
+ top + floor(strokeWidth / 2),
+ barWid,
+ max(0, barHgt - strokeWidth),
+ rv,
+ rb,
+ );
+
+ if (fillColors[i] != null)
+ rect(
+ fillPaths.get(fillColors[i]),
+ lft,
+ top + floor(strokeWidth / 2),
+ barWid,
+ max(0, barHgt - strokeWidth),
+ rv,
+ rb,
+ );
+ } else
+ rect(
+ stroke,
+ lft,
+ top + floor(strokeWidth / 2),
+ barWid,
+ max(0, barHgt - strokeWidth),
+ rv,
+ rb,
+ );
+
+ each(
+ u,
+ seriesIdx,
+ i,
+ lft - strokeWidth / 2,
+ top,
+ barWid + strokeWidth,
+ barHgt,
+ );
+ }
+ }
+
+ if (strokeWidth > 0) _paths.stroke = multiPath ? strokePaths : stroke;
+ else if (!multiPath) {
+ _paths._fill =
+ series.width == 0
+ ? series._fill
+ : (series._stroke ?? series._fill);
+ _paths.width = 0;
+ }
+
+ _paths.fill = multiPath ? fillPaths : stroke;
+
+ return _paths;
+ },
+ );
+ };
+ }
+
+ function splineInterp(interp, opts) {
+ const alignGaps = ifNull(opts?.alignGaps, 0);
+
+ return (u, seriesIdx, idx0, idx1) => {
+ return orient(
+ u,
+ seriesIdx,
+ (
+ series,
+ dataX,
+ dataY,
+ scaleX,
+ scaleY,
+ valToPosX,
+ valToPosY,
+ xOff,
+ yOff,
+ xDim,
+ yDim,
+ ) => {
+ [idx0, idx1] = nonNullIdxs(dataY, idx0, idx1);
+
+ let pxRound = series.pxRound;
+
+ let pixelForX = (val) => pxRound(valToPosX(val, scaleX, xDim, xOff));
+ let pixelForY = (val) => pxRound(valToPosY(val, scaleY, yDim, yOff));
+
+ let moveTo, bezierCurveTo, lineTo;
+
+ if (scaleX.ori == 0) {
+ moveTo = moveToH;
+ lineTo = lineToH;
+ bezierCurveTo = bezierCurveToH;
+ } else {
+ moveTo = moveToV;
+ lineTo = lineToV;
+ bezierCurveTo = bezierCurveToV;
+ }
+
+ const dir = scaleX.dir * (scaleX.ori == 0 ? 1 : -1);
+
+ let firstXPos = pixelForX(dataX[dir == 1 ? idx0 : idx1]);
+ let prevXPos = firstXPos;
+
+ let xCoords = [];
+ let yCoords = [];
+
+ for (
+ let i = dir == 1 ? idx0 : idx1;
+ i >= idx0 && i <= idx1;
+ i += dir
+ ) {
+ let yVal = dataY[i];
+
+ if (yVal != null) {
+ let xVal = dataX[i];
+ let xPos = pixelForX(xVal);
+
+ xCoords.push((prevXPos = xPos));
+ yCoords.push(pixelForY(dataY[i]));
+ }
+ }
+
+ const _paths = {
+ stroke: interp(
+ xCoords,
+ yCoords,
+ moveTo,
+ lineTo,
+ bezierCurveTo,
+ pxRound,
+ ),
+ fill: null,
+ clip: null,
+ band: null,
+ gaps: null,
+ flags: BAND_CLIP_FILL,
+ };
+ const stroke = _paths.stroke;
+
+ let [bandFillDir, bandClipDir] = bandFillClipDirs(u, seriesIdx);
+
+ if (series.fill != null || bandFillDir != 0) {
+ let fill = (_paths.fill = new Path2D(stroke));
+
+ let fillTo = series.fillTo(
+ u,
+ seriesIdx,
+ series.min,
+ series.max,
+ bandFillDir,
+ );
+ let fillToY = pixelForY(fillTo);
+
+ lineTo(fill, prevXPos, fillToY);
+ lineTo(fill, firstXPos, fillToY);
+ }
+
+ if (!series.spanGaps) {
+ // console.time('gaps');
+ let gaps = [];
+
+ gaps.push(
+ ...findGaps(dataX, dataY, idx0, idx1, dir, pixelForX, alignGaps),
+ );
+
+ // console.timeEnd('gaps');
+
+ // console.log('gaps', JSON.stringify(gaps));
+
+ _paths.gaps = gaps = series.gaps(u, seriesIdx, idx0, idx1, gaps);
+
+ _paths.clip = clipGaps(gaps, scaleX.ori, xOff, yOff, xDim, yDim);
+ }
+
+ if (bandClipDir != 0) {
+ _paths.band =
+ bandClipDir == 2
+ ? [
+ clipBandLine(u, seriesIdx, idx0, idx1, stroke, -1),
+ clipBandLine(u, seriesIdx, idx0, idx1, stroke, 1),
+ ]
+ : clipBandLine(u, seriesIdx, idx0, idx1, stroke, bandClipDir);
+ }
+
+ return _paths;
+
+ // if FEAT_PATHS: false in rollup.config.js
+ // u.ctx.save();
+ // u.ctx.beginPath();
+ // u.ctx.rect(u.bbox.left, u.bbox.top, u.bbox.width, u.bbox.height);
+ // u.ctx.clip();
+ // u.ctx.strokeStyle = u.series[sidx].stroke;
+ // u.ctx.stroke(stroke);
+ // u.ctx.fillStyle = u.series[sidx].fill;
+ // u.ctx.fill(fill);
+ // u.ctx.restore();
+ // return null;
+ },
+ );
+ };
+ }
+
+ function monotoneCubic(opts) {
+ return splineInterp(_monotoneCubic, opts);
+ }
+
+ // Monotone Cubic Spline interpolation, adapted from the Chartist.js implementation:
+ // https://github.com/gionkunz/chartist-js/blob/e7e78201bffe9609915e5e53cfafa29a5d6c49f9/src/scripts/interpolation.js#L240-L369
+ function _monotoneCubic(xs, ys, moveTo, lineTo, bezierCurveTo, pxRound) {
+ const n = xs.length;
+
+ if (n < 2) return null;
+
+ const path = new Path2D();
+
+ moveTo(path, xs[0], ys[0]);
+
+ if (n == 2) lineTo(path, xs[1], ys[1]);
+ else {
+ let ms = Array(n),
+ ds = Array(n - 1),
+ dys = Array(n - 1),
+ dxs = Array(n - 1);
+
+ // calc deltas and derivative
+ for (let i = 0; i < n - 1; i++) {
+ dys[i] = ys[i + 1] - ys[i];
+ dxs[i] = xs[i + 1] - xs[i];
+ ds[i] = dys[i] / dxs[i];
+ }
+
+ // determine desired slope (m) at each point using Fritsch-Carlson method
+ // http://math.stackexchange.com/questions/45218/implementation-of-monotone-cubic-interpolation
+ ms[0] = ds[0];
+
+ for (let i = 1; i < n - 1; i++) {
+ if (ds[i] === 0 || ds[i - 1] === 0 || ds[i - 1] > 0 !== ds[i] > 0)
+ ms[i] = 0;
+ else {
+ ms[i] =
+ (3 * (dxs[i - 1] + dxs[i])) /
+ ((2 * dxs[i] + dxs[i - 1]) / ds[i - 1] +
+ (dxs[i] + 2 * dxs[i - 1]) / ds[i]);
+
+ if (!isFinite(ms[i])) ms[i] = 0;
+ }
+ }
+
+ ms[n - 1] = ds[n - 2];
+
+ for (let i = 0; i < n - 1; i++) {
+ bezierCurveTo(
+ path,
+ xs[i] + dxs[i] / 3,
+ ys[i] + (ms[i] * dxs[i]) / 3,
+ xs[i + 1] - dxs[i] / 3,
+ ys[i + 1] - (ms[i + 1] * dxs[i]) / 3,
+ xs[i + 1],
+ ys[i + 1],
+ );
+ }
+ }
+
+ return path;
+ }
+
+ const cursorPlots = new Set();
+
+ function invalidateRects() {
+ for (let u of cursorPlots) u.syncRect(true);
+ }
+
+ if (domEnv) {
+ on(resize, win, invalidateRects);
+ on(scroll, win, invalidateRects, true);
+ on(dppxchange, win, () => {
+ uPlot.pxRatio = pxRatio;
+ });
+ }
+
+ const linearPath = linear();
+ const pointsPath = points();
+
+ function setDefaults(d, xo, yo, initY) {
+ let d2 = initY
+ ? [d[0], d[1]].concat(d.slice(2))
+ : [d[0]].concat(d.slice(1));
+ return d2.map((o, i) => setDefault(o, i, xo, yo));
+ }
+
+ function setDefaults2(d, xyo) {
+ return d.map((o, i) => (i == 0 ? {} : assign({}, xyo, o))); // todo: assign() will not merge facet arrays
+ }
+
+ function setDefault(o, i, xo, yo) {
+ return assign({}, i == 0 ? xo : yo, o);
+ }
+
+ function snapNumX(self, dataMin, dataMax) {
+ return dataMin == null ? nullNullTuple : [dataMin, dataMax];
+ }
+
+ const snapTimeX = snapNumX;
+
+ // this ensures that non-temporal/numeric y-axes get multiple-snapped padding added above/below
+ // TODO: also account for incrs when snapping to ensure top of axis gets a tick & value
+ function snapNumY(self, dataMin, dataMax) {
+ return dataMin == null
+ ? nullNullTuple
+ : rangeNum(dataMin, dataMax, rangePad, true);
+ }
+
+ function snapLogY(self, dataMin, dataMax, scale) {
+ return dataMin == null
+ ? nullNullTuple
+ : rangeLog(dataMin, dataMax, self.scales[scale].log, false);
+ }
+
+ const snapLogX = snapLogY;
+
+ function snapAsinhY(self, dataMin, dataMax, scale) {
+ return dataMin == null
+ ? nullNullTuple
+ : rangeAsinh(dataMin, dataMax, self.scales[scale].log, false);
+ }
+
+ const snapAsinhX = snapAsinhY;
+
+ // dim is logical (getClientBoundingRect) pixels, not canvas pixels
+ function findIncr(minVal, maxVal, incrs, dim, minSpace) {
+ let intDigits = max(numIntDigits(minVal), numIntDigits(maxVal));
+
+ let delta = maxVal - minVal;
+
+ let incrIdx = closestIdx((minSpace / dim) * delta, incrs);
+
+ do {
+ let foundIncr = incrs[incrIdx];
+ let foundSpace = (dim * foundIncr) / delta;
+
+ if (
+ foundSpace >= minSpace &&
+ intDigits + (foundIncr < 5 ? fixedDec.get(foundIncr) : 0) <= 17
+ )
+ return [foundIncr, foundSpace];
+ } while (++incrIdx < incrs.length);
+
+ return [0, 0];
+ }
+
+ function pxRatioFont(font) {
+ let fontSize, fontSizeCss;
+ font = font.replace(
+ /(\d+)px/,
+ (m, p1) => (fontSize = round((fontSizeCss = +p1) * pxRatio)) + "px",
+ );
+ return [font, fontSize, fontSizeCss];
+ }
+
+ function syncFontSize(axis) {
+ if (axis.show) {
+ [axis.font, axis.labelFont].forEach((f) => {
+ let size = roundDec(f[2] * pxRatio, 1);
+ f[0] = f[0].replace(/[0-9.]+px/, size + "px");
+ f[1] = size;
+ });
+ }
+ }
+
+ function uPlot(opts, data, then) {
+ const self = {
+ mode: ifNull(opts.mode, 1),
+ };
+
+ const mode = self.mode;
+
+ function getHPos(val, scale, dim, off) {
+ let pct = scale.valToPct(val);
+ return off + dim * (scale.dir == -1 ? 1 - pct : pct);
+ }
+
+ function getVPos(val, scale, dim, off) {
+ let pct = scale.valToPct(val);
+ return off + dim * (scale.dir == -1 ? pct : 1 - pct);
+ }
+
+ function getPos(val, scale, dim, off) {
+ return scale.ori == 0
+ ? getHPos(val, scale, dim, off)
+ : getVPos(val, scale, dim, off);
+ }
+
+ self.valToPosH = getHPos;
+ self.valToPosV = getVPos;
+
+ let ready = false;
+ self.status = 0;
+
+ const root = (self.root = placeDiv(UPLOT));
+
+ if (opts.id != null) root.id = opts.id;
+
+ addClass(root, opts.class);
+
+ if (opts.title) {
+ let title = placeDiv(TITLE, root);
+ title.textContent = opts.title;
+ }
+
+ const can = placeTag("canvas");
+ const ctx = (self.ctx = can.getContext("2d"));
+
+ const wrap = placeDiv(WRAP, root);
+
+ on(
+ "click",
+ wrap,
+ (e) => {
+ if (e.target === over) {
+ let didDrag = mouseLeft1 != mouseLeft0 || mouseTop1 != mouseTop0;
+ didDrag && drag.click(self, e);
+ }
+ },
+ true,
+ );
+
+ const under = (self.under = placeDiv(UNDER, wrap));
+ wrap.appendChild(can);
+ const over = (self.over = placeDiv(OVER, wrap));
+
+ opts = copy(opts);
+
+ const pxAlign = +ifNull(opts.pxAlign, 1);
+
+ const pxRound = pxRoundGen(pxAlign);
+
+ (opts.plugins || []).forEach((p) => {
+ if (p.opts) opts = p.opts(self, opts) || opts;
+ });
+
+ const ms = opts.ms || 1e-3;
+
+ const series = (self.series =
+ mode == 1
+ ? setDefaults(opts.series || [], xSeriesOpts, ySeriesOpts, false)
+ : setDefaults2(opts.series || [null], xySeriesOpts));
+ const axes = (self.axes = setDefaults(
+ opts.axes || [],
+ xAxisOpts,
+ yAxisOpts,
+ true,
+ ));
+ const scales = (self.scales = {});
+ const bands = (self.bands = opts.bands || []);
+
+ bands.forEach((b) => {
+ b.fill = fnOrSelf(b.fill || null);
+ b.dir = ifNull(b.dir, -1);
+ });
+
+ const xScaleKey = mode == 2 ? series[1].facets[0].scale : series[0].scale;
+
+ const drawOrderMap = {
+ axes: drawAxesGrid,
+ series: drawSeries,
+ };
+
+ const drawOrder = (opts.drawOrder || ["axes", "series"]).map(
+ (key) => drawOrderMap[key],
+ );
+
+ function initValToPct(sc) {
+ const getVal =
+ sc.distr == 3
+ ? (val) =>
+ log10(val > 0 ? val : sc.clamp(self, val, sc.min, sc.max, sc.key))
+ : sc.distr == 4
+ ? (val) => asinh(val, sc.asinh)
+ : sc.distr == 100
+ ? (val) => sc.fwd(val)
+ : (val) => val;
+
+ return (val) => {
+ let _val = getVal(val);
+ let { _min, _max } = sc;
+ let delta = _max - _min;
+ return (_val - _min) / delta;
+ };
+ }
+
+ function initScale(scaleKey) {
+ let sc = scales[scaleKey];
+
+ if (sc == null) {
+ let scaleOpts = (opts.scales || EMPTY_OBJ)[scaleKey] || EMPTY_OBJ;
+
+ if (scaleOpts.from != null) {
+ // ensure parent is initialized
+ initScale(scaleOpts.from);
+ // dependent scales inherit
+ let sc = assign({}, scales[scaleOpts.from], scaleOpts, {
+ key: scaleKey,
+ });
+ sc.valToPct = initValToPct(sc);
+ scales[scaleKey] = sc;
+ } else {
+ sc = scales[scaleKey] = assign(
+ {},
+ scaleKey == xScaleKey ? xScaleOpts : yScaleOpts,
+ scaleOpts,
+ );
+
+ sc.key = scaleKey;
+
+ let isTime = sc.time;
+
+ let rn = sc.range;
+
+ let rangeIsArr = isArr(rn);
+
+ if (scaleKey != xScaleKey || (mode == 2 && !isTime)) {
+ // if range array has null limits, it should be auto
+ if (rangeIsArr && (rn[0] == null || rn[1] == null)) {
+ rn = {
+ min:
+ rn[0] == null
+ ? autoRangePart
+ : {
+ mode: 1,
+ hard: rn[0],
+ soft: rn[0],
+ },
+ max:
+ rn[1] == null
+ ? autoRangePart
+ : {
+ mode: 1,
+ hard: rn[1],
+ soft: rn[1],
+ },
+ };
+ rangeIsArr = false;
+ }
+
+ if (!rangeIsArr && isObj(rn)) {
+ let cfg = rn;
+ // this is similar to snapNumY
+ rn = (self, dataMin, dataMax) =>
+ dataMin == null
+ ? nullNullTuple
+ : rangeNum(dataMin, dataMax, cfg);
+ }
+ }
+
+ sc.range = fnOrSelf(
+ rn ||
+ (isTime
+ ? snapTimeX
+ : scaleKey == xScaleKey
+ ? sc.distr == 3
+ ? snapLogX
+ : sc.distr == 4
+ ? snapAsinhX
+ : snapNumX
+ : sc.distr == 3
+ ? snapLogY
+ : sc.distr == 4
+ ? snapAsinhY
+ : snapNumY),
+ );
+
+ sc.auto = fnOrSelf(rangeIsArr ? false : sc.auto);
+
+ sc.clamp = fnOrSelf(sc.clamp || clampScale);
+
+ // caches for expensive ops like asinh() & log()
+ sc._min = sc._max = null;
+
+ sc.valToPct = initValToPct(sc);
+ }
+ }
+ }
+
+ initScale("x");
+ initScale("y");
+
+ // TODO: init scales from facets in mode: 2
+ if (mode == 1) {
+ series.forEach((s) => {
+ initScale(s.scale);
+ });
+ }
+
+ axes.forEach((a) => {
+ initScale(a.scale);
+ });
+
+ for (let k in opts.scales) initScale(k);
+
+ const scaleX = scales[xScaleKey];
+
+ const xScaleDistr = scaleX.distr;
+
+ let valToPosX, valToPosY;
+
+ if (scaleX.ori == 0) {
+ addClass(root, ORI_HZ);
+ valToPosX = getHPos;
+ valToPosY = getVPos;
+ /*
+ updOriDims = () => {
+ xDimCan = plotWid;
+ xOffCan = plotLft;
+ yDimCan = plotHgt;
+ yOffCan = plotTop;
+
+ xDimCss = plotWidCss;
+ xOffCss = plotLftCss;
+ yDimCss = plotHgtCss;
+ yOffCss = plotTopCss;
+ };
+ */
+ } else {
+ addClass(root, ORI_VT);
+ valToPosX = getVPos;
+ valToPosY = getHPos;
+ /*
+ updOriDims = () => {
+ xDimCan = plotHgt;
+ xOffCan = plotTop;
+ yDimCan = plotWid;
+ yOffCan = plotLft;
+
+ xDimCss = plotHgtCss;
+ xOffCss = plotTopCss;
+ yDimCss = plotWidCss;
+ yOffCss = plotLftCss;
+ };
+ */
+ }
+
+ const pendScales = {};
+
+ // explicitly-set initial scales
+ for (let k in scales) {
+ let sc = scales[k];
+
+ if (sc.min != null || sc.max != null) {
+ pendScales[k] = { min: sc.min, max: sc.max };
+ sc.min = sc.max = null;
+ }
+ }
+
+ // self.tz = opts.tz || Intl.DateTimeFormat().resolvedOptions().timeZone;
+ const _tzDate = opts.tzDate || ((ts) => new Date(round(ts / ms)));
+ const _fmtDate = opts.fmtDate || fmtDate;
+
+ const _timeAxisSplits =
+ ms == 1 ? timeAxisSplitsMs(_tzDate) : timeAxisSplitsS(_tzDate);
+ const _timeAxisVals = timeAxisVals(
+ _tzDate,
+ timeAxisStamps(ms == 1 ? _timeAxisStampsMs : _timeAxisStampsS, _fmtDate),
+ );
+ const _timeSeriesVal = timeSeriesVal(
+ _tzDate,
+ timeSeriesStamp(_timeSeriesStamp, _fmtDate),
+ );
+
+ const activeIdxs = [];
+
+ const legend = (self.legend = assign({}, legendOpts, opts.legend));
+ const cursor = (self.cursor = assign(
+ {},
+ cursorOpts,
+ { drag: { y: mode == 2 } },
+ opts.cursor,
+ ));
+ const showLegend = legend.show;
+ const showCursor = cursor.show;
+ const markers = legend.markers;
+
+ {
+ legend.idxs = activeIdxs;
+
+ markers.width = fnOrSelf(markers.width);
+ markers.dash = fnOrSelf(markers.dash);
+ markers.stroke = fnOrSelf(markers.stroke);
+ markers.fill = fnOrSelf(markers.fill);
+ }
+
+ let legendTable;
+ let legendHead;
+ let legendBody;
+ let legendRows = [];
+ let legendCells = [];
+ let legendCols;
+ let multiValLegend = false;
+ let NULL_LEGEND_VALUES = {};
+
+ if (legend.live) {
+ const getMultiVals = series[1] ? series[1].values : null;
+ multiValLegend = getMultiVals != null;
+ legendCols = multiValLegend ? getMultiVals(self, 1, 0) : { _: 0 };
+
+ for (let k in legendCols) NULL_LEGEND_VALUES[k] = LEGEND_DISP;
+ }
+
+ if (showLegend) {
+ legendTable = placeTag("table", LEGEND, root);
+ legendBody = placeTag("tbody", null, legendTable);
+
+ // allows legend to be moved out of root
+ legend.mount(self, legendTable);
+
+ if (multiValLegend) {
+ legendHead = placeTag("thead", null, legendTable, legendBody);
+
+ let head = placeTag("tr", null, legendHead);
+ placeTag("th", null, head);
+
+ for (var key in legendCols)
+ placeTag("th", LEGEND_LABEL, head).textContent = key;
+ } else {
+ addClass(legendTable, LEGEND_INLINE);
+ legend.live && addClass(legendTable, LEGEND_LIVE);
+ }
+ }
+
+ const son = { show: true };
+ const soff = { show: false };
+
+ function initLegendRow(s, i) {
+ if (i == 0 && (multiValLegend || !legend.live || mode == 2))
+ return nullNullTuple;
+
+ let cells = [];
+
+ let row = placeTag(
+ "tr",
+ LEGEND_SERIES,
+ legendBody,
+ legendBody.childNodes[i],
+ );
+
+ addClass(row, s.class);
+
+ if (!s.show) addClass(row, OFF);
+
+ let label = placeTag("th", null, row);
+
+ if (markers.show) {
+ let indic = placeDiv(LEGEND_MARKER, label);
+
+ if (i > 0) {
+ let width = markers.width(self, i);
+
+ if (width)
+ indic.style.border =
+ width +
+ "px " +
+ markers.dash(self, i) +
+ " " +
+ markers.stroke(self, i);
+
+ indic.style.background = markers.fill(self, i);
+ }
+ }
+
+ let text = placeDiv(LEGEND_LABEL, label);
+
+ if (s.label instanceof HTMLElement) text.appendChild(s.label);
+ else text.textContent = s.label;
+
+ if (i > 0) {
+ if (!markers.show)
+ text.style.color =
+ s.width > 0 ? markers.stroke(self, i) : markers.fill(self, i);
+
+ onMouse(
+ "click",
+ label,
+ (e) => {
+ if (cursor._lock) return;
+
+ setCursorEvent(e);
+
+ let seriesIdx = series.indexOf(s);
+
+ if ((e.ctrlKey || e.metaKey) != legend.isolate) {
+ // if any other series is shown, isolate this one. else show all
+ let isolate = series.some(
+ (s, i) => i > 0 && i != seriesIdx && s.show,
+ );
+
+ series.forEach((s, i) => {
+ i > 0 &&
+ setSeries(
+ i,
+ isolate ? (i == seriesIdx ? son : soff) : son,
+ true,
+ syncOpts.setSeries,
+ );
+ });
+ } else
+ setSeries(seriesIdx, { show: !s.show }, true, syncOpts.setSeries);
+ },
+ false,
+ );
+
+ if (cursorFocus) {
+ onMouse(
+ mouseenter,
+ label,
+ (e) => {
+ if (cursor._lock) return;
+
+ setCursorEvent(e);
+
+ setSeries(
+ series.indexOf(s),
+ FOCUS_TRUE,
+ true,
+ syncOpts.setSeries,
+ );
+ },
+ false,
+ );
+ }
+ }
+
+ for (var key in legendCols) {
+ let v = placeTag("td", LEGEND_VALUE, row);
+ v.textContent = "--";
+ cells.push(v);
+ }
+
+ return [row, cells];
+ }
+
+ const mouseListeners = new Map();
+
+ function onMouse(ev, targ, fn, onlyTarg = true) {
+ const targListeners = mouseListeners.get(targ) || {};
+ const listener = cursor.bind[ev](self, targ, fn, onlyTarg);
+
+ if (listener) {
+ on(ev, targ, (targListeners[ev] = listener));
+ mouseListeners.set(targ, targListeners);
+ }
+ }
+
+ function offMouse(ev, targ, fn) {
+ const targListeners = mouseListeners.get(targ) || {};
+
+ for (let k in targListeners) {
+ if (ev == null || k == ev) {
+ off(k, targ, targListeners[k]);
+ delete targListeners[k];
+ }
+ }
+
+ if (ev == null) mouseListeners.delete(targ);
+ }
+
+ let fullWidCss = 0;
+ let fullHgtCss = 0;
+
+ let plotWidCss = 0;
+ let plotHgtCss = 0;
+
+ // plot margins to account for axes
+ let plotLftCss = 0;
+ let plotTopCss = 0;
+
+ // previous values for diffing
+ let _plotLftCss = plotLftCss;
+ let _plotTopCss = plotTopCss;
+ let _plotWidCss = plotWidCss;
+ let _plotHgtCss = plotHgtCss;
+
+ let plotLft = 0;
+ let plotTop = 0;
+ let plotWid = 0;
+ let plotHgt = 0;
+
+ self.bbox = {};
+
+ let shouldSetScales = false;
+ let shouldSetSize = false;
+ let shouldConvergeSize = false;
+ let shouldSetCursor = false;
+ let shouldSetSelect = false;
+ let shouldSetLegend = false;
+
+ function _setSize(width, height, force) {
+ if (force || width != self.width || height != self.height)
+ calcSize(width, height);
+
+ resetYSeries(false);
+
+ shouldConvergeSize = true;
+ shouldSetSize = true;
+
+ commit();
+ }
+
+ function calcSize(width, height) {
+ // log("calcSize()", arguments);
+
+ self.width = fullWidCss = plotWidCss = width;
+ self.height = fullHgtCss = plotHgtCss = height;
+ plotLftCss = plotTopCss = 0;
+
+ calcPlotRect();
+ calcAxesRects();
+
+ let bb = self.bbox;
+
+ plotLft = bb.left = incrRound(plotLftCss * pxRatio, 0.5);
+ plotTop = bb.top = incrRound(plotTopCss * pxRatio, 0.5);
+ plotWid = bb.width = incrRound(plotWidCss * pxRatio, 0.5);
+ plotHgt = bb.height = incrRound(plotHgtCss * pxRatio, 0.5);
+
+ // updOriDims();
+ }
+
+ // ensures size calc convergence
+ const CYCLE_LIMIT = 3;
+
+ function convergeSize() {
+ let converged = false;
+
+ let cycleNum = 0;
+
+ while (!converged) {
+ cycleNum++;
+
+ let axesConverged = axesCalc(cycleNum);
+ let paddingConverged = paddingCalc(cycleNum);
+
+ converged =
+ cycleNum == CYCLE_LIMIT || (axesConverged && paddingConverged);
+
+ if (!converged) {
+ calcSize(self.width, self.height);
+ shouldSetSize = true;
+ }
+ }
+ }
+
+ function setSize({ width, height }) {
+ _setSize(width, height);
+ }
+
+ self.setSize = setSize;
+
+ // accumulate axis offsets, reduce canvas width
+ function calcPlotRect() {
+ // easements for edge labels
+ let hasTopAxis = false;
+ let hasBtmAxis = false;
+ let hasRgtAxis = false;
+ let hasLftAxis = false;
+
+ axes.forEach((axis, i) => {
+ if (axis.show && axis._show) {
+ let { side, _size } = axis;
+ let isVt = side % 2;
+ let labelSize = axis.label != null ? axis.labelSize : 0;
+
+ let fullSize = _size + labelSize;
+
+ if (fullSize > 0) {
+ if (isVt) {
+ plotWidCss -= fullSize;
+
+ if (side == 3) {
+ plotLftCss += fullSize;
+ hasLftAxis = true;
+ } else hasRgtAxis = true;
+ } else {
+ plotHgtCss -= fullSize;
+
+ if (side == 0) {
+ plotTopCss += fullSize;
+ hasTopAxis = true;
+ } else hasBtmAxis = true;
+ }
+ }
+ }
+ });
+
+ sidesWithAxes[0] = hasTopAxis;
+ sidesWithAxes[1] = hasRgtAxis;
+ sidesWithAxes[2] = hasBtmAxis;
+ sidesWithAxes[3] = hasLftAxis;
+
+ // hz padding
+ plotWidCss -= _padding[1] + _padding[3];
+ plotLftCss += _padding[3];
+
+ // vt padding
+ plotHgtCss -= _padding[2] + _padding[0];
+ plotTopCss += _padding[0];
+ }
+
+ function calcAxesRects() {
+ // will accum +
+ let off1 = plotLftCss + plotWidCss;
+ let off2 = plotTopCss + plotHgtCss;
+ // will accum -
+ let off3 = plotLftCss;
+ let off0 = plotTopCss;
+
+ function incrOffset(side, size) {
+ switch (side) {
+ case 1:
+ off1 += size;
+ return off1 - size;
+ case 2:
+ off2 += size;
+ return off2 - size;
+ case 3:
+ off3 -= size;
+ return off3 + size;
+ case 0:
+ off0 -= size;
+ return off0 + size;
+ }
+ }
+
+ axes.forEach((axis, i) => {
+ if (axis.show && axis._show) {
+ let side = axis.side;
+
+ axis._pos = incrOffset(side, axis._size);
+
+ if (axis.label != null) axis._lpos = incrOffset(side, axis.labelSize);
+ }
+ });
+ }
+
+ if (cursor.dataIdx == null) {
+ let hov = cursor.hover;
+
+ let skip = (hov.skip = new Set(hov.skip ?? []));
+ skip.add(void 0); // alignment artifacts
+ let prox = (hov.prox = fnOrSelf(hov.prox));
+ let bias = (hov.bias ??= 0);
+
+ // TODO: only scan between in-view idxs (i0, i1)
+ cursor.dataIdx = (self, seriesIdx, cursorIdx, valAtPosX) => {
+ if (seriesIdx == 0) return cursorIdx;
+
+ let idx2 = cursorIdx;
+
+ let _prox = prox(self, seriesIdx, cursorIdx, valAtPosX) ?? inf;
+ let withProx = _prox >= 0 && _prox < inf;
+ let xDim = scaleX.ori == 0 ? plotWidCss : plotHgtCss;
+ let cursorLft = cursor.left;
+
+ let xValues = data[0];
+ let yValues = data[seriesIdx];
+
+ if (skip.has(yValues[cursorIdx])) {
+ idx2 = null;
+
+ let nonNullLft = null,
+ nonNullRgt = null,
+ j;
+
+ if (bias == 0 || bias == -1) {
+ j = cursorIdx;
+ while (nonNullLft == null && j-- > 0) {
+ if (!skip.has(yValues[j])) nonNullLft = j;
+ }
+ }
+
+ if (bias == 0 || bias == 1) {
+ j = cursorIdx;
+ while (nonNullRgt == null && j++ < yValues.length) {
+ if (!skip.has(yValues[j])) nonNullRgt = j;
+ }
+ }
+
+ if (nonNullLft != null || nonNullRgt != null) {
+ if (withProx) {
+ let lftPos =
+ nonNullLft == null
+ ? -Infinity
+ : valToPosX(xValues[nonNullLft], scaleX, xDim, 0);
+ let rgtPos =
+ nonNullRgt == null
+ ? Infinity
+ : valToPosX(xValues[nonNullRgt], scaleX, xDim, 0);
+
+ let lftDelta = cursorLft - lftPos;
+ let rgtDelta = rgtPos - cursorLft;
+
+ if (lftDelta <= rgtDelta) {
+ if (lftDelta <= _prox) idx2 = nonNullLft;
+ } else {
+ if (rgtDelta <= _prox) idx2 = nonNullRgt;
+ }
+ } else {
+ idx2 =
+ nonNullRgt == null
+ ? nonNullLft
+ : nonNullLft == null
+ ? nonNullRgt
+ : cursorIdx - nonNullLft <= nonNullRgt - cursorIdx
+ ? nonNullLft
+ : nonNullRgt;
+ }
+ }
+ } else if (withProx) {
+ let dist = abs(
+ cursorLft - valToPosX(xValues[cursorIdx], scaleX, xDim, 0),
+ );
+
+ if (dist > _prox) idx2 = null;
+ }
+
+ return idx2;
+ };
+ }
+
+ const setCursorEvent = (e) => {
+ cursor.event = e;
+ };
+
+ cursor.idxs = activeIdxs;
+
+ cursor._lock = false;
+
+ let points = cursor.points;
+
+ points.show = fnOrSelf(points.show);
+ points.size = fnOrSelf(points.size);
+ points.stroke = fnOrSelf(points.stroke);
+ points.width = fnOrSelf(points.width);
+ points.fill = fnOrSelf(points.fill);
+
+ const focus = (self.focus = assign(
+ {},
+ opts.focus || { alpha: 0.3 },
+ cursor.focus,
+ ));
+
+ const cursorFocus = focus.prox >= 0;
+ const cursorOnePt = cursorFocus && points.one;
+
+ // series-intersection markers
+ let cursorPts = [];
+ // position caches in CSS pixels
+ let cursorPtsLft = [];
+ let cursorPtsTop = [];
+
+ function initCursorPt(s, si) {
+ let pt = points.show(self, si);
+
+ if (pt instanceof HTMLElement) {
+ addClass(pt, CURSOR_PT);
+ addClass(pt, s.class);
+ elTrans(pt, -10, -10, plotWidCss, plotHgtCss);
+ over.insertBefore(pt, cursorPts[si]);
+
+ return pt;
+ }
+ }
+
+ function initSeries(s, i) {
+ if (mode == 1 || i > 0) {
+ let isTime = mode == 1 && scales[s.scale].time;
+
+ let sv = s.value;
+ s.value = isTime
+ ? isStr(sv)
+ ? timeSeriesVal(_tzDate, timeSeriesStamp(sv, _fmtDate))
+ : sv || _timeSeriesVal
+ : sv || numSeriesVal;
+ s.label = s.label || (isTime ? timeSeriesLabel : numSeriesLabel);
+ }
+
+ if (cursorOnePt || i > 0) {
+ s.width = s.width == null ? 1 : s.width;
+ s.paths = s.paths || linearPath || retNull;
+ s.fillTo = fnOrSelf(s.fillTo || seriesFillTo);
+ s.pxAlign = +ifNull(s.pxAlign, pxAlign);
+ s.pxRound = pxRoundGen(s.pxAlign);
+
+ s.stroke = fnOrSelf(s.stroke || null);
+ s.fill = fnOrSelf(s.fill || null);
+ s._stroke = s._fill = s._paths = s._focus = null;
+
+ let _ptDia = ptDia(max(1, s.width), 1);
+ let points = (s.points = assign(
+ {},
+ {
+ size: _ptDia,
+ width: max(1, _ptDia * 0.2),
+ stroke: s.stroke,
+ space: _ptDia * 2,
+ paths: pointsPath,
+ _stroke: null,
+ _fill: null,
+ },
+ s.points,
+ ));
+ points.show = fnOrSelf(points.show);
+ points.filter = fnOrSelf(points.filter);
+ points.fill = fnOrSelf(points.fill);
+ points.stroke = fnOrSelf(points.stroke);
+ points.paths = fnOrSelf(points.paths);
+ points.pxAlign = s.pxAlign;
+ }
+
+ if (showLegend) {
+ let rowCells = initLegendRow(s, i);
+ legendRows.splice(i, 0, rowCells[0]);
+ legendCells.splice(i, 0, rowCells[1]);
+ legend.values.push(null); // NULL_LEGEND_VALS not yet avil here :(
+ }
+
+ if (showCursor) {
+ activeIdxs.splice(i, 0, null);
+
+ let pt = null;
+
+ if (cursorOnePt) {
+ if (i == 0) pt = initCursorPt(s, i);
+ } else if (i > 0) pt = initCursorPt(s, i);
+
+ cursorPts.splice(i, 0, pt);
+ cursorPtsLft.splice(i, 0, 0);
+ cursorPtsTop.splice(i, 0, 0);
+ }
+
+ fire("addSeries", i);
+ }
+
+ function addSeries(opts, si) {
+ si = si == null ? series.length : si;
+
+ opts =
+ mode == 1
+ ? setDefault(opts, si, xSeriesOpts, ySeriesOpts)
+ : setDefault(opts, si, {}, xySeriesOpts);
+
+ series.splice(si, 0, opts);
+ initSeries(series[si], si);
+ }
+
+ self.addSeries = addSeries;
+
+ function delSeries(i) {
+ series.splice(i, 1);
+
+ if (showLegend) {
+ legend.values.splice(i, 1);
+
+ legendCells.splice(i, 1);
+ let tr = legendRows.splice(i, 1)[0];
+ offMouse(null, tr.firstChild);
+ tr.remove();
+ }
+
+ if (showCursor) {
+ activeIdxs.splice(i, 1);
+ cursorPts.splice(i, 1)[0].remove();
+ cursorPtsLft.splice(i, 1);
+ cursorPtsTop.splice(i, 1);
+ }
+
+ // TODO: de-init no-longer-needed scales?
+
+ fire("delSeries", i);
+ }
+
+ self.delSeries = delSeries;
+
+ const sidesWithAxes = [false, false, false, false];
+
+ function initAxis(axis, i) {
+ axis._show = axis.show;
+
+ if (axis.show) {
+ let isVt = axis.side % 2;
+
+ let sc = scales[axis.scale];
+
+ // this can occur if all series specify non-default scales
+ if (sc == null) {
+ axis.scale = isVt ? series[1].scale : xScaleKey;
+ sc = scales[axis.scale];
+ }
+
+ // also set defaults for incrs & values based on axis distr
+ let isTime = sc.time;
+
+ axis.size = fnOrSelf(axis.size);
+ axis.space = fnOrSelf(axis.space);
+ axis.rotate = fnOrSelf(axis.rotate);
+
+ if (isArr(axis.incrs)) {
+ axis.incrs.forEach((incr) => {
+ !fixedDec.has(incr) && fixedDec.set(incr, guessDec(incr));
+ });
+ }
+
+ axis.incrs = fnOrSelf(
+ axis.incrs ||
+ (sc.distr == 2
+ ? wholeIncrs
+ : isTime
+ ? ms == 1
+ ? timeIncrsMs
+ : timeIncrsS
+ : numIncrs),
+ );
+ axis.splits = fnOrSelf(
+ axis.splits ||
+ (isTime && sc.distr == 1
+ ? _timeAxisSplits
+ : sc.distr == 3
+ ? logAxisSplits
+ : sc.distr == 4
+ ? asinhAxisSplits
+ : numAxisSplits),
+ );
+
+ axis.stroke = fnOrSelf(axis.stroke);
+ axis.grid.stroke = fnOrSelf(axis.grid.stroke);
+ axis.ticks.stroke = fnOrSelf(axis.ticks.stroke);
+ axis.border.stroke = fnOrSelf(axis.border.stroke);
+
+ let av = axis.values;
+
+ axis.values =
+ // static array of tick values
+ isArr(av) && !isArr(av[0])
+ ? fnOrSelf(av)
+ : // temporal
+ isTime
+ ? // config array of fmtDate string tpls
+ isArr(av)
+ ? timeAxisVals(_tzDate, timeAxisStamps(av, _fmtDate))
+ : // fmtDate string tpl
+ isStr(av)
+ ? timeAxisVal(_tzDate, av)
+ : av || _timeAxisVals
+ : av || numAxisVals;
+
+ axis.filter = fnOrSelf(
+ axis.filter ||
+ (sc.distr >= 3 && sc.log == 10
+ ? log10AxisValsFilt
+ : sc.distr == 3 && sc.log == 2
+ ? log2AxisValsFilt
+ : retArg1),
+ );
+
+ axis.font = pxRatioFont(axis.font);
+ axis.labelFont = pxRatioFont(axis.labelFont);
+
+ axis._size = axis.size(self, null, i, 0);
+
+ axis._space =
+ axis._rotate =
+ axis._incrs =
+ axis._found = // foundIncrSpace
+ axis._splits =
+ axis._values =
+ null;
+
+ if (axis._size > 0) {
+ sidesWithAxes[i] = true;
+ axis._el = placeDiv(AXIS, wrap);
+ }
+
+ // debug
+ // axis._el.style.background = "#" + Math.floor(Math.random()*16777215).toString(16) + '80';
+ }
+ }
+
+ function autoPadSide(self, side, sidesWithAxes, cycleNum) {
+ let [hasTopAxis, hasRgtAxis, hasBtmAxis, hasLftAxis] = sidesWithAxes;
+
+ let ori = side % 2;
+ let size = 0;
+
+ if (ori == 0 && (hasLftAxis || hasRgtAxis))
+ size =
+ (side == 0 && !hasTopAxis) || (side == 2 && !hasBtmAxis)
+ ? round(xAxisOpts.size / 3)
+ : 0;
+ if (ori == 1 && (hasTopAxis || hasBtmAxis))
+ size =
+ (side == 1 && !hasRgtAxis) || (side == 3 && !hasLftAxis)
+ ? round(yAxisOpts.size / 2)
+ : 0;
+
+ return size;
+ }
+
+ const padding = (self.padding = (
+ opts.padding || [autoPadSide, autoPadSide, autoPadSide, autoPadSide]
+ ).map((p) => fnOrSelf(ifNull(p, autoPadSide))));
+ const _padding = (self._padding = padding.map((p, i) =>
+ p(self, i, sidesWithAxes, 0),
+ ));
+
+ let dataLen;
+
+ // rendered data window
+ let i0 = null;
+ let i1 = null;
+ const idxs = mode == 1 ? series[0].idxs : null;
+
+ let data0 = null;
+
+ let viaAutoScaleX = false;
+
+ function setData(_data, _resetScales) {
+ data = _data == null ? [] : _data;
+
+ self.data = self._data = data;
+
+ if (mode == 2) {
+ dataLen = 0;
+ for (let i = 1; i < series.length; i++) dataLen += data[i][0].length;
+ } else {
+ if (data.length == 0) self.data = self._data = data = [[]];
+
+ data0 = data[0];
+ dataLen = data0.length;
+
+ let scaleData = data;
+
+ if (xScaleDistr == 2) {
+ scaleData = data.slice();
+
+ let _data0 = (scaleData[0] = Array(dataLen));
+ for (let i = 0; i < dataLen; i++) _data0[i] = i;
+ }
+
+ self._data = data = scaleData;
+ }
+
+ resetYSeries(true);
+
+ fire("setData");
+
+ // forces x axis tick values to re-generate when neither x scale nor y scale changes
+ // in ordinal mode, scale range is by index, so will not change if new data has same length, but tick values are from data
+ if (xScaleDistr == 2) {
+ shouldConvergeSize = true;
+
+ /* or somewhat cheaper, and uglier:
+ if (ready) {
+ // logic extracted from axesCalc()
+ let i = 0;
+ let axis = axes[i];
+ let _splits = axis._splits.map(i => data0[i]);
+ let [_incr, _space] = axis._found;
+ let incr = data0[_splits[1]] - data0[_splits[0]];
+ axis._values = axis.values(self, axis.filter(self, _splits, i, _space, incr), i, _space, incr);
+ }
+ */
+ }
+
+ if (_resetScales !== false) {
+ let xsc = scaleX;
+
+ if (xsc.auto(self, viaAutoScaleX)) autoScaleX();
+ else _setScale(xScaleKey, xsc.min, xsc.max);
+
+ shouldSetCursor = shouldSetCursor || cursor.left >= 0;
+ shouldSetLegend = true;
+ commit();
+ }
+ }
+
+ self.setData = setData;
+
+ function autoScaleX() {
+ viaAutoScaleX = true;
+
+ let _min, _max;
+
+ if (mode == 1) {
+ if (dataLen > 0) {
+ i0 = idxs[0] = 0;
+ i1 = idxs[1] = dataLen - 1;
+
+ _min = data[0][i0];
+ _max = data[0][i1];
+
+ if (xScaleDistr == 2) {
+ _min = i0;
+ _max = i1;
+ } else if (_min == _max) {
+ if (xScaleDistr == 3)
+ [_min, _max] = rangeLog(_min, _min, scaleX.log, false);
+ else if (xScaleDistr == 4)
+ [_min, _max] = rangeAsinh(_min, _min, scaleX.log, false);
+ else if (scaleX.time) _max = _min + round(86400 / ms);
+ else [_min, _max] = rangeNum(_min, _max, rangePad, true);
+ }
+ } else {
+ i0 = idxs[0] = _min = null;
+ i1 = idxs[1] = _max = null;
+ }
+ }
+
+ _setScale(xScaleKey, _min, _max);
+ }
+
+ let ctxStroke,
+ ctxFill,
+ ctxWidth,
+ ctxDash,
+ ctxJoin,
+ ctxCap,
+ ctxFont,
+ ctxAlign,
+ ctxBaseline;
+ let ctxAlpha;
+
+ function setCtxStyle(stroke, width, dash, cap, fill, join) {
+ stroke ??= transparent;
+ dash ??= EMPTY_ARR;
+ cap ??= "butt"; // (‿|‿)
+ fill ??= transparent;
+ join ??= "round";
+
+ if (stroke != ctxStroke) ctx.strokeStyle = ctxStroke = stroke;
+ if (fill != ctxFill) ctx.fillStyle = ctxFill = fill;
+ if (width != ctxWidth) ctx.lineWidth = ctxWidth = width;
+ if (join != ctxJoin) ctx.lineJoin = ctxJoin = join;
+ if (cap != ctxCap) ctx.lineCap = ctxCap = cap;
+ if (dash != ctxDash) ctx.setLineDash((ctxDash = dash));
+ }
+
+ function setFontStyle(font, fill, align, baseline) {
+ if (fill != ctxFill) ctx.fillStyle = ctxFill = fill;
+ if (font != ctxFont) ctx.font = ctxFont = font;
+ if (align != ctxAlign) ctx.textAlign = ctxAlign = align;
+ if (baseline != ctxBaseline) ctx.textBaseline = ctxBaseline = baseline;
+ }
+
+ function accScale(wsc, psc, facet, data, sorted = 0) {
+ if (
+ data.length > 0 &&
+ wsc.auto(self, viaAutoScaleX) &&
+ (psc == null || psc.min == null)
+ ) {
+ let _i0 = ifNull(i0, 0);
+ let _i1 = ifNull(i1, data.length - 1);
+
+ // only run getMinMax() for invalidated series data, else reuse
+ let minMax =
+ facet.min == null
+ ? getMinMax(data, _i0, _i1, sorted, wsc.distr == 3)
+ : [facet.min, facet.max];
+
+ // initial min/max
+ wsc.min = min(wsc.min, (facet.min = minMax[0]));
+ wsc.max = max(wsc.max, (facet.max = minMax[1]));
+ }
+ }
+
+ const AUTOSCALE = { min: null, max: null };
+
+ function setScales() {
+ // log("setScales()", arguments);
+
+ // implicitly add auto scales, and unranged scales
+ for (let k in scales) {
+ let sc = scales[k];
+
+ if (
+ pendScales[k] == null &&
+ // scales that have never been set (on init)
+ (sc.min == null ||
+ // or auto scales when the x scale was explicitly set
+ (pendScales[xScaleKey] != null && sc.auto(self, viaAutoScaleX)))
+ ) {
+ pendScales[k] = AUTOSCALE;
+ }
+ }
+
+ // implicitly add dependent scales
+ for (let k in scales) {
+ let sc = scales[k];
+
+ if (
+ pendScales[k] == null &&
+ sc.from != null &&
+ pendScales[sc.from] != null
+ )
+ pendScales[k] = AUTOSCALE;
+ }
+
+ // explicitly setting the x-scale invalidates everything (acts as redraw)
+ if (pendScales[xScaleKey] != null) resetYSeries(true); // TODO: only reset series on auto scales?
+
+ let wipScales = {};
+
+ for (let k in pendScales) {
+ let psc = pendScales[k];
+
+ if (psc != null) {
+ let wsc = (wipScales[k] = copy(scales[k], fastIsObj));
+
+ if (psc.min != null) assign(wsc, psc);
+ else if (k != xScaleKey || mode == 2) {
+ if (dataLen == 0 && wsc.from == null) {
+ let minMax = wsc.range(self, null, null, k);
+ wsc.min = minMax[0];
+ wsc.max = minMax[1];
+ } else {
+ wsc.min = inf;
+ wsc.max = -inf;
+ }
+ }
+ }
+ }
+
+ if (dataLen > 0) {
+ // pre-range y-scales from y series' data values
+ series.forEach((s, i) => {
+ if (mode == 1) {
+ let k = s.scale;
+ let psc = pendScales[k];
+
+ if (psc == null) return;
+
+ let wsc = wipScales[k];
+
+ if (i == 0) {
+ let minMax = wsc.range(self, wsc.min, wsc.max, k);
+
+ wsc.min = minMax[0];
+ wsc.max = minMax[1];
+
+ i0 = closestIdx(wsc.min, data[0]);
+ i1 = closestIdx(wsc.max, data[0]);
+
+ // don't try to contract same or adjacent idxs
+ if (i1 - i0 > 1) {
+ // closest indices can be outside of view
+ if (data[0][i0] < wsc.min) i0++;
+ if (data[0][i1] > wsc.max) i1--;
+ }
+
+ s.min = data0[i0];
+ s.max = data0[i1];
+ } else if (s.show && s.auto)
+ accScale(wsc, psc, s, data[i], s.sorted);
+
+ s.idxs[0] = i0;
+ s.idxs[1] = i1;
+ } else {
+ if (i > 0) {
+ if (s.show && s.auto) {
+ // TODO: only handles, assumes and requires facets[0] / 'x' scale, and facets[1] / 'y' scale
+ let [xFacet, yFacet] = s.facets;
+ let xScaleKey = xFacet.scale;
+ let yScaleKey = yFacet.scale;
+ let [xData, yData] = data[i];
+
+ let wscx = wipScales[xScaleKey];
+ let wscy = wipScales[yScaleKey];
+
+ // null can happen when only x is zoomed, but y has static range and doesnt get auto-added to pending
+ wscx != null &&
+ accScale(
+ wscx,
+ pendScales[xScaleKey],
+ xFacet,
+ xData,
+ xFacet.sorted,
+ );
+ wscy != null &&
+ accScale(
+ wscy,
+ pendScales[yScaleKey],
+ yFacet,
+ yData,
+ yFacet.sorted,
+ );
+
+ // temp
+ s.min = yFacet.min;
+ s.max = yFacet.max;
+ }
+ }
+ }
+ });
+
+ // range independent scales
+ for (let k in wipScales) {
+ let wsc = wipScales[k];
+ let psc = pendScales[k];
+
+ if (wsc.from == null && (psc == null || psc.min == null)) {
+ let minMax = wsc.range(
+ self,
+ wsc.min == inf ? null : wsc.min,
+ wsc.max == -inf ? null : wsc.max,
+ k,
+ );
+ wsc.min = minMax[0];
+ wsc.max = minMax[1];
+ }
+ }
+ }
+
+ // range dependent scales
+ for (let k in wipScales) {
+ let wsc = wipScales[k];
+
+ if (wsc.from != null) {
+ let base = wipScales[wsc.from];
+
+ if (base.min == null) wsc.min = wsc.max = null;
+ else {
+ let minMax = wsc.range(self, base.min, base.max, k);
+ wsc.min = minMax[0];
+ wsc.max = minMax[1];
+ }
+ }
+ }
+
+ let changed = {};
+ let anyChanged = false;
+
+ for (let k in wipScales) {
+ let wsc = wipScales[k];
+ let sc = scales[k];
+
+ if (sc.min != wsc.min || sc.max != wsc.max) {
+ sc.min = wsc.min;
+ sc.max = wsc.max;
+
+ let distr = sc.distr;
+
+ sc._min =
+ distr == 3
+ ? log10(sc.min)
+ : distr == 4
+ ? asinh(sc.min, sc.asinh)
+ : distr == 100
+ ? sc.fwd(sc.min)
+ : sc.min;
+ sc._max =
+ distr == 3
+ ? log10(sc.max)
+ : distr == 4
+ ? asinh(sc.max, sc.asinh)
+ : distr == 100
+ ? sc.fwd(sc.max)
+ : sc.max;
+
+ changed[k] = anyChanged = true;
+ }
+ }
+
+ if (anyChanged) {
+ // invalidate paths of all series on changed scales
+ series.forEach((s, i) => {
+ if (mode == 2) {
+ if (i > 0 && changed.y) s._paths = null;
+ } else {
+ if (changed[s.scale]) s._paths = null;
+ }
+ });
+
+ for (let k in changed) {
+ shouldConvergeSize = true;
+ fire("setScale", k);
+ }
+
+ if (showCursor && cursor.left >= 0)
+ shouldSetCursor = shouldSetLegend = true;
+ }
+
+ for (let k in pendScales) pendScales[k] = null;
+ }
+
+ // grabs the nearest indices with y data outside of x-scale limits
+ function getOuterIdxs(ydata) {
+ let _i0 = clamp(i0 - 1, 0, dataLen - 1);
+ let _i1 = clamp(i1 + 1, 0, dataLen - 1);
+
+ while (ydata[_i0] == null && _i0 > 0) _i0--;
+
+ while (ydata[_i1] == null && _i1 < dataLen - 1) _i1++;
+
+ return [_i0, _i1];
+ }
+
+ function drawSeries() {
+ if (dataLen > 0) {
+ let shouldAlpha =
+ series.some((s) => s._focus) && ctxAlpha != focus.alpha;
+
+ if (shouldAlpha) ctx.globalAlpha = ctxAlpha = focus.alpha;
+
+ series.forEach((s, i) => {
+ if (i > 0 && s.show) {
+ cacheStrokeFill(i, false);
+ cacheStrokeFill(i, true);
+
+ if (s._paths == null) {
+ let _ctxAlpha = ctxAlpha;
+
+ if (ctxAlpha != s.alpha) ctx.globalAlpha = ctxAlpha = s.alpha;
+
+ let _idxs =
+ mode == 2 ? [0, data[i][0].length - 1] : getOuterIdxs(data[i]);
+ s._paths = s.paths(self, i, _idxs[0], _idxs[1]);
+
+ if (ctxAlpha != _ctxAlpha) ctx.globalAlpha = ctxAlpha = _ctxAlpha;
+ }
+ }
+ });
+
+ series.forEach((s, i) => {
+ if (i > 0 && s.show) {
+ let _ctxAlpha = ctxAlpha;
+
+ if (ctxAlpha != s.alpha) ctx.globalAlpha = ctxAlpha = s.alpha;
+
+ s._paths != null && drawPath(i, false);
+
+ {
+ let _gaps = s._paths != null ? s._paths.gaps : null;
+
+ let show = s.points.show(self, i, i0, i1, _gaps);
+ let idxs = s.points.filter(self, i, show, _gaps);
+
+ if (show || idxs) {
+ s.points._paths = s.points.paths(self, i, i0, i1, idxs);
+ drawPath(i, true);
+ }
+ }
+
+ if (ctxAlpha != _ctxAlpha) ctx.globalAlpha = ctxAlpha = _ctxAlpha;
+
+ fire("drawSeries", i);
+ }
+ });
+
+ if (shouldAlpha) ctx.globalAlpha = ctxAlpha = 1;
+ }
+ }
+
+ function cacheStrokeFill(si, _points) {
+ let s = _points ? series[si].points : series[si];
+
+ s._stroke = s.stroke(self, si);
+ s._fill = s.fill(self, si);
+ }
+
+ function drawPath(si, _points) {
+ let s = _points ? series[si].points : series[si];
+
+ let {
+ stroke,
+ fill,
+ clip: gapsClip,
+ flags,
+
+ _stroke: strokeStyle = s._stroke,
+ _fill: fillStyle = s._fill,
+ _width: width = s.width,
+ } = s._paths;
+
+ width = roundDec(width * pxRatio, 3);
+
+ let boundsClip = null;
+ let offset = (width % 2) / 2;
+
+ if (_points && fillStyle == null)
+ fillStyle = width > 0 ? "#fff" : strokeStyle;
+
+ let _pxAlign = s.pxAlign == 1 && offset > 0;
+
+ _pxAlign && ctx.translate(offset, offset);
+
+ if (!_points) {
+ let lft = plotLft - width / 2,
+ top = plotTop - width / 2,
+ wid = plotWid + width,
+ hgt = plotHgt + width;
+
+ boundsClip = new Path2D();
+ boundsClip.rect(lft, top, wid, hgt);
+ }
+
+ // the points pathbuilder's gapsClip is its boundsClip, since points dont need gaps clipping, and bounds depend on point size
+ if (_points)
+ strokeFill(
+ strokeStyle,
+ width,
+ s.dash,
+ s.cap,
+ fillStyle,
+ stroke,
+ fill,
+ flags,
+ gapsClip,
+ );
+ else
+ fillStroke(
+ si,
+ strokeStyle,
+ width,
+ s.dash,
+ s.cap,
+ fillStyle,
+ stroke,
+ fill,
+ flags,
+ boundsClip,
+ gapsClip,
+ );
+
+ _pxAlign && ctx.translate(-offset, -offset);
+ }
+
+ function fillStroke(
+ si,
+ strokeStyle,
+ lineWidth,
+ lineDash,
+ lineCap,
+ fillStyle,
+ strokePath,
+ fillPath,
+ flags,
+ boundsClip,
+ gapsClip,
+ ) {
+ let didStrokeFill = false;
+
+ // for all bands where this series is the top edge, create upwards clips using the bottom edges
+ // and apply clips + fill with band fill or dfltFill
+ flags != 0 &&
+ bands.forEach((b, bi) => {
+ // isUpperEdge?
+ if (b.series[0] == si) {
+ let lowerEdge = series[b.series[1]];
+ let lowerData = data[b.series[1]];
+
+ let bandClip = (lowerEdge._paths || EMPTY_OBJ).band;
+
+ if (isArr(bandClip))
+ bandClip = b.dir == 1 ? bandClip[0] : bandClip[1];
+
+ let gapsClip2;
+
+ let _fillStyle = null;
+
+ // hasLowerEdge?
+ if (lowerEdge.show && bandClip && hasData(lowerData, i0, i1)) {
+ _fillStyle = b.fill(self, bi) || fillStyle;
+ gapsClip2 = lowerEdge._paths.clip;
+ } else bandClip = null;
+
+ strokeFill(
+ strokeStyle,
+ lineWidth,
+ lineDash,
+ lineCap,
+ _fillStyle,
+ strokePath,
+ fillPath,
+ flags,
+ boundsClip,
+ gapsClip,
+ gapsClip2,
+ bandClip,
+ );
+
+ didStrokeFill = true;
+ }
+ });
+
+ if (!didStrokeFill)
+ strokeFill(
+ strokeStyle,
+ lineWidth,
+ lineDash,
+ lineCap,
+ fillStyle,
+ strokePath,
+ fillPath,
+ flags,
+ boundsClip,
+ gapsClip,
+ );
+ }
+
+ const CLIP_FILL_STROKE = BAND_CLIP_FILL | BAND_CLIP_STROKE;
+
+ function strokeFill(
+ strokeStyle,
+ lineWidth,
+ lineDash,
+ lineCap,
+ fillStyle,
+ strokePath,
+ fillPath,
+ flags,
+ boundsClip,
+ gapsClip,
+ gapsClip2,
+ bandClip,
+ ) {
+ setCtxStyle(strokeStyle, lineWidth, lineDash, lineCap, fillStyle);
+
+ if (boundsClip || gapsClip || bandClip) {
+ ctx.save();
+ boundsClip && ctx.clip(boundsClip);
+ gapsClip && ctx.clip(gapsClip);
+ }
+
+ if (bandClip) {
+ if ((flags & CLIP_FILL_STROKE) == CLIP_FILL_STROKE) {
+ ctx.clip(bandClip);
+ gapsClip2 && ctx.clip(gapsClip2);
+ doFill(fillStyle, fillPath);
+ doStroke(strokeStyle, strokePath, lineWidth);
+ } else if (flags & BAND_CLIP_STROKE) {
+ doFill(fillStyle, fillPath);
+ ctx.clip(bandClip);
+ doStroke(strokeStyle, strokePath, lineWidth);
+ } else if (flags & BAND_CLIP_FILL) {
+ ctx.save();
+ ctx.clip(bandClip);
+ gapsClip2 && ctx.clip(gapsClip2);
+ doFill(fillStyle, fillPath);
+ ctx.restore();
+ doStroke(strokeStyle, strokePath, lineWidth);
+ }
+ } else {
+ doFill(fillStyle, fillPath);
+ doStroke(strokeStyle, strokePath, lineWidth);
+ }
+
+ if (boundsClip || gapsClip || bandClip) ctx.restore();
+ }
+
+ function doStroke(strokeStyle, strokePath, lineWidth) {
+ if (lineWidth > 0) {
+ if (strokePath instanceof Map) {
+ strokePath.forEach((strokePath, strokeStyle) => {
+ ctx.strokeStyle = ctxStroke = strokeStyle;
+ ctx.stroke(strokePath);
+ });
+ } else strokePath != null && strokeStyle && ctx.stroke(strokePath);
+ }
+ }
+
+ function doFill(fillStyle, fillPath) {
+ if (fillPath instanceof Map) {
+ fillPath.forEach((fillPath, fillStyle) => {
+ ctx.fillStyle = ctxFill = fillStyle;
+ ctx.fill(fillPath);
+ });
+ } else fillPath != null && fillStyle && ctx.fill(fillPath);
+ }
+
+ function getIncrSpace(axisIdx, min, max, fullDim) {
+ let axis = axes[axisIdx];
+
+ let incrSpace;
+
+ if (fullDim <= 0) incrSpace = [0, 0];
+ else {
+ let minSpace = (axis._space = axis.space(
+ self,
+ axisIdx,
+ min,
+ max,
+ fullDim,
+ ));
+ let incrs = (axis._incrs = axis.incrs(
+ self,
+ axisIdx,
+ min,
+ max,
+ fullDim,
+ minSpace,
+ ));
+ incrSpace = findIncr(min, max, incrs, fullDim, minSpace);
+ }
+
+ return (axis._found = incrSpace);
+ }
+
+ function drawOrthoLines(
+ offs,
+ filts,
+ ori,
+ side,
+ pos0,
+ len,
+ width,
+ stroke,
+ dash,
+ cap,
+ ) {
+ let offset = (width % 2) / 2;
+
+ pxAlign == 1 && ctx.translate(offset, offset);
+
+ setCtxStyle(stroke, width, dash, cap, stroke);
+
+ ctx.beginPath();
+
+ let x0,
+ y0,
+ x1,
+ y1,
+ pos1 = pos0 + (side == 0 || side == 3 ? -len : len);
+
+ if (ori == 0) {
+ y0 = pos0;
+ y1 = pos1;
+ } else {
+ x0 = pos0;
+ x1 = pos1;
+ }
+
+ for (let i = 0; i < offs.length; i++) {
+ if (filts[i] != null) {
+ if (ori == 0) x0 = x1 = offs[i];
+ else y0 = y1 = offs[i];
+
+ ctx.moveTo(x0, y0);
+ ctx.lineTo(x1, y1);
+ }
+ }
+
+ ctx.stroke();
+
+ pxAlign == 1 && ctx.translate(-offset, -offset);
+ }
+
+ function axesCalc(cycleNum) {
+ // log("axesCalc()", arguments);
+
+ let converged = true;
+
+ axes.forEach((axis, i) => {
+ if (!axis.show) return;
+
+ let scale = scales[axis.scale];
+
+ if (scale.min == null) {
+ if (axis._show) {
+ converged = false;
+ axis._show = false;
+ resetYSeries(false);
+ }
+ return;
+ } else {
+ if (!axis._show) {
+ converged = false;
+ axis._show = true;
+ resetYSeries(false);
+ }
+ }
+
+ let side = axis.side;
+ let ori = side % 2;
+
+ let { min, max } = scale; // // should this toggle them ._show = false
+
+ let [_incr, _space] = getIncrSpace(
+ i,
+ min,
+ max,
+ ori == 0 ? plotWidCss : plotHgtCss,
+ );
+
+ if (_space == 0) return;
+
+ // if we're using index positions, force first tick to match passed index
+ let forceMin = scale.distr == 2;
+
+ let _splits = (axis._splits = axis.splits(
+ self,
+ i,
+ min,
+ max,
+ _incr,
+ _space,
+ forceMin,
+ ));
+
+ // tick labels
+ // BOO this assumes a specific data/series
+ let splits = scale.distr == 2 ? _splits.map((i) => data0[i]) : _splits;
+ let incr =
+ scale.distr == 2 ? data0[_splits[1]] - data0[_splits[0]] : _incr;
+
+ let values = (axis._values = axis.values(
+ self,
+ axis.filter(self, splits, i, _space, incr),
+ i,
+ _space,
+ incr,
+ ));
+
+ // rotating of labels only supported on bottom x axis
+ axis._rotate = side == 2 ? axis.rotate(self, values, i, _space) : 0;
+
+ let oldSize = axis._size;
+
+ axis._size = ceil(axis.size(self, values, i, cycleNum));
+
+ if (oldSize != null && axis._size != oldSize)
+ // ready && ?
+ converged = false;
+ });
+
+ return converged;
+ }
+
+ function paddingCalc(cycleNum) {
+ let converged = true;
+
+ padding.forEach((p, i) => {
+ let _p = p(self, i, sidesWithAxes, cycleNum);
+
+ if (_p != _padding[i]) converged = false;
+
+ _padding[i] = _p;
+ });
+
+ return converged;
+ }
+
+ function drawAxesGrid() {
+ for (let i = 0; i < axes.length; i++) {
+ let axis = axes[i];
+
+ if (!axis.show || !axis._show) continue;
+
+ let side = axis.side;
+ let ori = side % 2;
+
+ let x, y;
+
+ let fillStyle = axis.stroke(self, i);
+
+ let shiftDir = side == 0 || side == 3 ? -1 : 1;
+
+ let [_incr, _space] = axis._found;
+
+ // axis label
+ if (axis.label != null) {
+ let shiftAmt = axis.labelGap * shiftDir;
+ let baseLpos = round((axis._lpos + shiftAmt) * pxRatio);
+
+ setFontStyle(
+ axis.labelFont[0],
+ fillStyle,
+ "center",
+ side == 2 ? TOP : BOTTOM,
+ );
+
+ ctx.save();
+
+ if (ori == 1) {
+ x = y = 0;
+
+ ctx.translate(baseLpos, round(plotTop + plotHgt / 2));
+ ctx.rotate((side == 3 ? -PI : PI) / 2);
+ } else {
+ x = round(plotLft + plotWid / 2);
+ y = baseLpos;
+ }
+
+ let _label = isFn(axis.label)
+ ? axis.label(self, i, _incr, _space)
+ : axis.label;
+
+ ctx.fillText(_label, x, y);
+
+ ctx.restore();
+ }
+
+ if (_space == 0) continue;
+
+ let scale = scales[axis.scale];
+
+ let plotDim = ori == 0 ? plotWid : plotHgt;
+ let plotOff = ori == 0 ? plotLft : plotTop;
+
+ let _splits = axis._splits;
+
+ // tick labels
+ // BOO this assumes a specific data/series
+ let splits = scale.distr == 2 ? _splits.map((i) => data0[i]) : _splits;
+ let incr =
+ scale.distr == 2 ? data0[_splits[1]] - data0[_splits[0]] : _incr;
+
+ let ticks = axis.ticks;
+ let border = axis.border;
+ let _tickSize = ticks.show ? ticks.size : 0;
+ let tickSize = round(_tickSize * pxRatio);
+ let axisGap = round(
+ (axis.alignTo == 2 ? axis._size - _tickSize - axis.gap : axis.gap) *
+ pxRatio,
+ );
+
+ // rotating of labels only supported on bottom x axis
+ let angle = (axis._rotate * -PI) / 180;
+
+ let basePos = pxRound(axis._pos * pxRatio);
+ let shiftAmt = (tickSize + axisGap) * shiftDir;
+ let finalPos = basePos + shiftAmt;
+ y = ori == 0 ? finalPos : 0;
+ x = ori == 1 ? finalPos : 0;
+
+ let font = axis.font[0];
+ let textAlign =
+ axis.align == 1
+ ? LEFT
+ : axis.align == 2
+ ? RIGHT
+ : angle > 0
+ ? LEFT
+ : angle < 0
+ ? RIGHT
+ : ori == 0
+ ? "center"
+ : side == 3
+ ? RIGHT
+ : LEFT;
+ let textBaseline =
+ angle || ori == 1 ? "middle" : side == 2 ? TOP : BOTTOM;
+
+ setFontStyle(font, fillStyle, textAlign, textBaseline);
+
+ let lineHeight = axis.font[1] * axis.lineGap;
+
+ let canOffs = _splits.map((val) =>
+ pxRound(getPos(val, scale, plotDim, plotOff)),
+ );
+
+ let _values = axis._values;
+
+ for (let i = 0; i < _values.length; i++) {
+ let val = _values[i];
+
+ if (val != null) {
+ if (ori == 0) x = canOffs[i];
+ else y = canOffs[i];
+
+ val = "" + val;
+
+ let _parts = val.indexOf("\n") == -1 ? [val] : val.split(/\n/gm);
+
+ for (let j = 0; j < _parts.length; j++) {
+ let text = _parts[j];
+
+ if (angle) {
+ ctx.save();
+ ctx.translate(x, y + j * lineHeight); // can this be replaced with position math?
+ ctx.rotate(angle); // can this be done once?
+ ctx.fillText(text, 0, 0);
+ ctx.restore();
+ } else ctx.fillText(text, x, y + j * lineHeight);
+ }
+ }
+ }
+
+ // ticks
+ if (ticks.show) {
+ drawOrthoLines(
+ canOffs,
+ ticks.filter(self, splits, i, _space, incr),
+ ori,
+ side,
+ basePos,
+ tickSize,
+ roundDec(ticks.width * pxRatio, 3),
+ ticks.stroke(self, i),
+ ticks.dash,
+ ticks.cap,
+ );
+ }
+
+ // grid
+ let grid = axis.grid;
+
+ if (grid.show) {
+ drawOrthoLines(
+ canOffs,
+ grid.filter(self, splits, i, _space, incr),
+ ori,
+ ori == 0 ? 2 : 1,
+ ori == 0 ? plotTop : plotLft,
+ ori == 0 ? plotHgt : plotWid,
+ roundDec(grid.width * pxRatio, 3),
+ grid.stroke(self, i),
+ grid.dash,
+ grid.cap,
+ );
+ }
+
+ if (border.show) {
+ drawOrthoLines(
+ [basePos],
+ [1],
+ ori == 0 ? 1 : 0,
+ ori == 0 ? 1 : 2,
+ ori == 1 ? plotTop : plotLft,
+ ori == 1 ? plotHgt : plotWid,
+ roundDec(border.width * pxRatio, 3),
+ border.stroke(self, i),
+ border.dash,
+ border.cap,
+ );
+ }
+ }
+
+ fire("drawAxes");
+ }
+
+ function resetYSeries(minMax) {
+ // log("resetYSeries()", arguments);
+
+ series.forEach((s, i) => {
+ if (i > 0) {
+ s._paths = null;
+
+ if (minMax) {
+ if (mode == 1) {
+ s.min = null;
+ s.max = null;
+ } else {
+ s.facets.forEach((f) => {
+ f.min = null;
+ f.max = null;
+ });
+ }
+ }
+ }
+ });
+ }
+
+ let queuedCommit = false;
+ let deferHooks = false;
+ let hooksQueue = [];
+
+ function flushHooks() {
+ deferHooks = false;
+
+ for (let i = 0; i < hooksQueue.length; i++) fire(...hooksQueue[i]);
+
+ hooksQueue.length = 0;
+ }
+
+ function commit() {
+ if (!queuedCommit) {
+ microTask(_commit);
+ queuedCommit = true;
+ }
+ }
+
+ // manual batching (aka immediate mode), skips microtask queue
+ function batch(fn, _deferHooks = false) {
+ queuedCommit = true;
+ deferHooks = _deferHooks;
+
+ fn(self);
+ _commit();
+
+ if (_deferHooks && hooksQueue.length > 0) queueMicrotask(flushHooks);
+ }
+
+ self.batch = batch;
+
+ function _commit() {
+ // log("_commit()", arguments);
+
+ if (shouldSetScales) {
+ setScales();
+ shouldSetScales = false;
+ }
+
+ if (shouldConvergeSize) {
+ convergeSize();
+ shouldConvergeSize = false;
+ }
+
+ if (shouldSetSize) {
+ setStylePx(under, LEFT, plotLftCss);
+ setStylePx(under, TOP, plotTopCss);
+ setStylePx(under, WIDTH, plotWidCss);
+ setStylePx(under, HEIGHT, plotHgtCss);
+
+ setStylePx(over, LEFT, plotLftCss);
+ setStylePx(over, TOP, plotTopCss);
+ setStylePx(over, WIDTH, plotWidCss);
+ setStylePx(over, HEIGHT, plotHgtCss);
+
+ setStylePx(wrap, WIDTH, fullWidCss);
+ setStylePx(wrap, HEIGHT, fullHgtCss);
+
+ // NOTE: mutating this during print preview in Chrome forces transparent
+ // canvas pixels to white, even when followed up with clearRect() below
+ can.width = round(fullWidCss * pxRatio);
+ can.height = round(fullHgtCss * pxRatio);
+
+ axes.forEach(({ _el, _show, _size, _pos, side }) => {
+ if (_el != null) {
+ if (_show) {
+ let posOffset = side === 3 || side === 0 ? _size : 0;
+ let isVt = side % 2 == 1;
+
+ setStylePx(_el, isVt ? "left" : "top", _pos - posOffset);
+ setStylePx(_el, isVt ? "width" : "height", _size);
+ setStylePx(
+ _el,
+ isVt ? "top" : "left",
+ isVt ? plotTopCss : plotLftCss,
+ );
+ setStylePx(
+ _el,
+ isVt ? "height" : "width",
+ isVt ? plotHgtCss : plotWidCss,
+ );
+
+ remClass(_el, OFF);
+ } else addClass(_el, OFF);
+ }
+ });
+
+ // invalidate ctx style cache
+ ctxStroke =
+ ctxFill =
+ ctxWidth =
+ ctxJoin =
+ ctxCap =
+ ctxFont =
+ ctxAlign =
+ ctxBaseline =
+ ctxDash =
+ null;
+ ctxAlpha = 1;
+
+ syncRect(true);
+
+ if (
+ plotLftCss != _plotLftCss ||
+ plotTopCss != _plotTopCss ||
+ plotWidCss != _plotWidCss ||
+ plotHgtCss != _plotHgtCss
+ ) {
+ resetYSeries(false);
+
+ let pctWid = plotWidCss / _plotWidCss;
+ let pctHgt = plotHgtCss / _plotHgtCss;
+
+ if (showCursor && !shouldSetCursor && cursor.left >= 0) {
+ cursor.left *= pctWid;
+ cursor.top *= pctHgt;
+
+ vCursor &&
+ elTrans(vCursor, round(cursor.left), 0, plotWidCss, plotHgtCss);
+ hCursor &&
+ elTrans(hCursor, 0, round(cursor.top), plotWidCss, plotHgtCss);
+
+ for (let i = 0; i < cursorPts.length; i++) {
+ let pt = cursorPts[i];
+
+ if (pt != null) {
+ cursorPtsLft[i] *= pctWid;
+ cursorPtsTop[i] *= pctHgt;
+ elTrans(
+ pt,
+ ceil(cursorPtsLft[i]),
+ ceil(cursorPtsTop[i]),
+ plotWidCss,
+ plotHgtCss,
+ );
+ }
+ }
+ }
+
+ if (
+ select.show &&
+ !shouldSetSelect &&
+ select.left >= 0 &&
+ select.width > 0
+ ) {
+ select.left *= pctWid;
+ select.width *= pctWid;
+ select.top *= pctHgt;
+ select.height *= pctHgt;
+
+ for (let prop in _hideProps)
+ setStylePx(selectDiv, prop, select[prop]);
+ }
+
+ _plotLftCss = plotLftCss;
+ _plotTopCss = plotTopCss;
+ _plotWidCss = plotWidCss;
+ _plotHgtCss = plotHgtCss;
+ }
+
+ fire("setSize");
+
+ shouldSetSize = false;
+ }
+
+ if (fullWidCss > 0 && fullHgtCss > 0) {
+ ctx.clearRect(0, 0, can.width, can.height);
+ fire("drawClear");
+ drawOrder.forEach((fn) => fn());
+ fire("draw");
+ }
+
+ if (select.show && shouldSetSelect) {
+ setSelect(select);
+ shouldSetSelect = false;
+ }
+
+ if (showCursor && shouldSetCursor) {
+ updateCursor(null, true, false);
+ shouldSetCursor = false;
+ }
+
+ if (legend.show && legend.live && shouldSetLegend) {
+ setLegend();
+ shouldSetLegend = false; // redundant currently
+ }
+
+ if (!ready) {
+ ready = true;
+ self.status = 1;
+
+ fire("ready");
+ }
+
+ viaAutoScaleX = false;
+
+ queuedCommit = false;
+ }
+
+ self.redraw = (rebuildPaths, recalcAxes) => {
+ shouldConvergeSize = recalcAxes || false;
+
+ if (rebuildPaths !== false) _setScale(xScaleKey, scaleX.min, scaleX.max);
+ else commit();
+ };
+
+ // redraw() => setScale('x', scales.x.min, scales.x.max);
+
+ // explicit, never re-ranged (is this actually true? for x and y)
+ function setScale(key, opts) {
+ let sc = scales[key];
+
+ if (sc.from == null) {
+ if (dataLen == 0) {
+ let minMax = sc.range(self, opts.min, opts.max, key);
+ opts.min = minMax[0];
+ opts.max = minMax[1];
+ }
+
+ if (opts.min > opts.max) {
+ let _min = opts.min;
+ opts.min = opts.max;
+ opts.max = _min;
+ }
+
+ if (
+ dataLen > 1 &&
+ opts.min != null &&
+ opts.max != null &&
+ opts.max - opts.min < 1e-16
+ )
+ return;
+
+ if (key == xScaleKey) {
+ if (sc.distr == 2 && dataLen > 0) {
+ opts.min = closestIdx(opts.min, data[0]);
+ opts.max = closestIdx(opts.max, data[0]);
+
+ if (opts.min == opts.max) opts.max++;
+ }
+ }
+
+ // log("setScale()", arguments);
+
+ pendScales[key] = opts;
+
+ shouldSetScales = true;
+ commit();
+ }
+ }
+
+ self.setScale = setScale;
+
+ // INTERACTION
+
+ let xCursor;
+ let yCursor;
+ let vCursor;
+ let hCursor;
+
+ // starting position before cursor.move
+ let rawMouseLeft0;
+ let rawMouseTop0;
+
+ // starting position
+ let mouseLeft0;
+ let mouseTop0;
+
+ // current position before cursor.move
+ let rawMouseLeft1;
+ let rawMouseTop1;
+
+ // current position
+ let mouseLeft1;
+ let mouseTop1;
+
+ let dragging = false;
+
+ const drag = cursor.drag;
+
+ let dragX = drag.x;
+ let dragY = drag.y;
+
+ if (showCursor) {
+ if (cursor.x) xCursor = placeDiv(CURSOR_X, over);
+ if (cursor.y) yCursor = placeDiv(CURSOR_Y, over);
+
+ if (scaleX.ori == 0) {
+ vCursor = xCursor;
+ hCursor = yCursor;
+ } else {
+ vCursor = yCursor;
+ hCursor = xCursor;
+ }
+
+ mouseLeft1 = cursor.left;
+ mouseTop1 = cursor.top;
+ }
+
+ const select = (self.select = assign(
+ {
+ show: true,
+ over: true,
+ left: 0,
+ width: 0,
+ top: 0,
+ height: 0,
+ },
+ opts.select,
+ ));
+
+ const selectDiv = select.show
+ ? placeDiv(SELECT, select.over ? over : under)
+ : null;
+
+ function setSelect(opts, _fire) {
+ if (select.show) {
+ for (let prop in opts) {
+ select[prop] = opts[prop];
+
+ if (prop in _hideProps) setStylePx(selectDiv, prop, opts[prop]);
+ }
+
+ _fire !== false && fire("setSelect");
+ }
+ }
+
+ self.setSelect = setSelect;
+
+ function toggleDOM(i) {
+ let s = series[i];
+
+ if (s.show) showLegend && remClass(legendRows[i], OFF);
+ else {
+ showLegend && addClass(legendRows[i], OFF);
+
+ if (showCursor) {
+ let pt = cursorOnePt ? cursorPts[0] : cursorPts[i];
+ pt != null && elTrans(pt, -10, -10, plotWidCss, plotHgtCss);
+ }
+ }
+ }
+
+ function _setScale(key, min, max) {
+ setScale(key, { min, max });
+ }
+
+ function setSeries(i, opts, _fire, _pub) {
+ // log("setSeries()", arguments);
+
+ if (opts.focus != null) setFocus(i);
+
+ if (opts.show != null) {
+ series.forEach((s, si) => {
+ if (si > 0 && (i == si || i == null)) {
+ s.show = opts.show;
+ toggleDOM(si);
+
+ if (mode == 2) {
+ _setScale(s.facets[0].scale, null, null);
+ _setScale(s.facets[1].scale, null, null);
+ } else _setScale(s.scale, null, null);
+
+ commit();
+ }
+ });
+ }
+
+ _fire !== false && fire("setSeries", i, opts);
+
+ _pub && pubSync("setSeries", self, i, opts);
+ }
+
+ self.setSeries = setSeries;
+
+ function setBand(bi, opts) {
+ assign(bands[bi], opts);
+ }
+
+ function addBand(opts, bi) {
+ opts.fill = fnOrSelf(opts.fill || null);
+ opts.dir = ifNull(opts.dir, -1);
+ bi = bi == null ? bands.length : bi;
+ bands.splice(bi, 0, opts);
+ }
+
+ function delBand(bi) {
+ if (bi == null) bands.length = 0;
+ else bands.splice(bi, 1);
+ }
+
+ self.addBand = addBand;
+ self.setBand = setBand;
+ self.delBand = delBand;
+
+ function setAlpha(i, value) {
+ series[i].alpha = value;
+
+ if (showCursor && cursorPts[i] != null)
+ cursorPts[i].style.opacity = value;
+
+ if (showLegend && legendRows[i]) legendRows[i].style.opacity = value;
+ }
+
+ // y-distance
+ let closestDist;
+ let closestSeries;
+ let focusedSeries;
+ const FOCUS_TRUE = { focus: true };
+
+ function setFocus(i) {
+ if (i != focusedSeries) {
+ // log("setFocus()", arguments);
+
+ let allFocused = i == null;
+
+ let _setAlpha = focus.alpha != 1;
+
+ series.forEach((s, i2) => {
+ if (mode == 1 || i2 > 0) {
+ let isFocused = allFocused || i2 == 0 || i2 == i;
+ s._focus = allFocused ? null : isFocused;
+ _setAlpha && setAlpha(i2, isFocused ? 1 : focus.alpha);
+ }
+ });
+
+ focusedSeries = i;
+ _setAlpha && commit();
+ }
+ }
+
+ if (showLegend && cursorFocus) {
+ onMouse(mouseleave, legendTable, (e) => {
+ if (cursor._lock) return;
+
+ setCursorEvent(e);
+
+ if (focusedSeries != null)
+ setSeries(null, FOCUS_TRUE, true, syncOpts.setSeries);
+ });
+ }
+
+ function posToVal(pos, scale, can) {
+ let sc = scales[scale];
+
+ if (can) pos = pos / pxRatio - (sc.ori == 1 ? plotTopCss : plotLftCss);
+
+ let dim = plotWidCss;
+
+ if (sc.ori == 1) {
+ dim = plotHgtCss;
+ pos = dim - pos;
+ }
+
+ if (sc.dir == -1) pos = dim - pos;
+
+ let _min = sc._min,
+ _max = sc._max,
+ pct = pos / dim;
+
+ let sv = _min + (_max - _min) * pct;
+
+ let distr = sc.distr;
+
+ return distr == 3
+ ? pow(10, sv)
+ : distr == 4
+ ? sinh(sv, sc.asinh)
+ : distr == 100
+ ? sc.bwd(sv)
+ : sv;
+ }
+
+ function closestIdxFromXpos(pos, can) {
+ let v = posToVal(pos, xScaleKey, can);
+ return closestIdx(v, data[0], i0, i1);
+ }
+
+ self.valToIdx = (val) => closestIdx(val, data[0]);
+ self.posToIdx = closestIdxFromXpos;
+ self.posToVal = posToVal;
+ self.valToPos = (val, scale, can) =>
+ scales[scale].ori == 0
+ ? getHPos(
+ val,
+ scales[scale],
+ can ? plotWid : plotWidCss,
+ can ? plotLft : 0,
+ )
+ : getVPos(
+ val,
+ scales[scale],
+ can ? plotHgt : plotHgtCss,
+ can ? plotTop : 0,
+ );
+
+ self.setCursor = (opts, _fire, _pub) => {
+ mouseLeft1 = opts.left;
+ mouseTop1 = opts.top;
+ // assign(cursor, opts);
+ updateCursor(null, _fire, _pub);
+ };
+
+ function setSelH(off, dim) {
+ setStylePx(selectDiv, LEFT, (select.left = off));
+ setStylePx(selectDiv, WIDTH, (select.width = dim));
+ }
+
+ function setSelV(off, dim) {
+ setStylePx(selectDiv, TOP, (select.top = off));
+ setStylePx(selectDiv, HEIGHT, (select.height = dim));
+ }
+
+ let setSelX = scaleX.ori == 0 ? setSelH : setSelV;
+ let setSelY = scaleX.ori == 1 ? setSelH : setSelV;
+
+ function syncLegend() {
+ if (showLegend && legend.live) {
+ for (let i = mode == 2 ? 1 : 0; i < series.length; i++) {
+ if (i == 0 && multiValLegend) continue;
+
+ let vals = legend.values[i];
+
+ let j = 0;
+
+ for (let k in vals)
+ legendCells[i][j++].firstChild.nodeValue = vals[k];
+ }
+ }
+ }
+
+ function setLegend(opts, _fire) {
+ if (opts != null) {
+ if (opts.idxs) {
+ opts.idxs.forEach((didx, sidx) => {
+ activeIdxs[sidx] = didx;
+ });
+ } else if (!isUndef(opts.idx)) activeIdxs.fill(opts.idx);
+
+ legend.idx = activeIdxs[0];
+ }
+
+ if (showLegend && legend.live) {
+ for (let sidx = 0; sidx < series.length; sidx++) {
+ if (sidx > 0 || (mode == 1 && !multiValLegend))
+ setLegendValues(sidx, activeIdxs[sidx]);
+ }
+
+ syncLegend();
+ }
+
+ shouldSetLegend = false;
+
+ _fire !== false && fire("setLegend");
+ }
+
+ self.setLegend = setLegend;
+
+ function setLegendValues(sidx, idx) {
+ let s = series[sidx];
+ let src = sidx == 0 && xScaleDistr == 2 ? data0 : data[sidx];
+ let val;
+
+ if (multiValLegend) val = s.values(self, sidx, idx) ?? NULL_LEGEND_VALUES;
+ else {
+ val = s.value(self, idx == null ? null : src[idx], sidx, idx);
+ val = val == null ? NULL_LEGEND_VALUES : { _: val };
+ }
+
+ legend.values[sidx] = val;
+ }
+
+ function updateCursor(src, _fire, _pub) {
+ // ts == null && log("updateCursor()", arguments);
+
+ rawMouseLeft1 = mouseLeft1;
+ rawMouseTop1 = mouseTop1;
+
+ [mouseLeft1, mouseTop1] = cursor.move(self, mouseLeft1, mouseTop1);
+
+ cursor.left = mouseLeft1;
+ cursor.top = mouseTop1;
+
+ if (showCursor) {
+ vCursor &&
+ elTrans(vCursor, round(mouseLeft1), 0, plotWidCss, plotHgtCss);
+ hCursor &&
+ elTrans(hCursor, 0, round(mouseTop1), plotWidCss, plotHgtCss);
+ }
+
+ let idx;
+
+ // when zooming to an x scale range between datapoints the binary search
+ // for nearest min/max indices results in this condition. cheap hack :D
+ let noDataInRange = i0 > i1; // works for mode 1 only
+
+ closestDist = inf;
+ closestSeries = null;
+
+ // TODO: extract
+ let xDim = scaleX.ori == 0 ? plotWidCss : plotHgtCss;
+ let yDim = scaleX.ori == 1 ? plotWidCss : plotHgtCss;
+
+ // if cursor hidden, hide points & clear legend vals
+ if (mouseLeft1 < 0 || dataLen == 0 || noDataInRange) {
+ idx = cursor.idx = null;
+
+ for (let i = 0; i < series.length; i++) {
+ let pt = cursorPts[i];
+ pt != null && elTrans(pt, -10, -10, plotWidCss, plotHgtCss);
+ }
+
+ if (cursorFocus)
+ setSeries(null, FOCUS_TRUE, true, src == null && syncOpts.setSeries);
+
+ if (legend.live) {
+ activeIdxs.fill(idx);
+ shouldSetLegend = true;
+ }
+ } else {
+ // let pctY = 1 - (y / rect.height);
+
+ let mouseXPos, valAtPosX, xPos;
+
+ if (mode == 1) {
+ mouseXPos = scaleX.ori == 0 ? mouseLeft1 : mouseTop1;
+ valAtPosX = posToVal(mouseXPos, xScaleKey);
+ idx = cursor.idx = closestIdx(valAtPosX, data[0], i0, i1);
+ xPos = valToPosX(data[0][idx], scaleX, xDim, 0);
+ }
+
+ // closest pt values
+ let _ptLft = -10;
+ let _ptTop = -10;
+ let _ptWid = 0;
+ let _ptHgt = 0;
+ let _centered = true;
+ let _ptFill = "";
+ let _ptStroke = "";
+
+ for (let i = mode == 2 ? 1 : 0; i < series.length; i++) {
+ let s = series[i];
+
+ let idx1 = activeIdxs[i];
+ let yVal1 =
+ idx1 == null ? null : mode == 1 ? data[i][idx1] : data[i][1][idx1];
+
+ let idx2 = cursor.dataIdx(self, i, idx, valAtPosX);
+ let yVal2 =
+ idx2 == null ? null : mode == 1 ? data[i][idx2] : data[i][1][idx2];
+
+ shouldSetLegend = shouldSetLegend || yVal2 != yVal1 || idx2 != idx1;
+
+ activeIdxs[i] = idx2;
+
+ if (i > 0 && s.show) {
+ let xPos2 =
+ idx2 == null
+ ? -10
+ : idx2 == idx
+ ? xPos
+ : valToPosX(
+ mode == 1 ? data[0][idx2] : data[i][0][idx2],
+ scaleX,
+ xDim,
+ 0,
+ );
+
+ // this doesnt really work for state timeline, heatmap, status history (where the value maps to color, not y coords)
+ let yPos =
+ yVal2 == null
+ ? -10
+ : valToPosY(
+ yVal2,
+ mode == 1 ? scales[s.scale] : scales[s.facets[1].scale],
+ yDim,
+ 0,
+ );
+
+ if (cursorFocus && yVal2 != null) {
+ let mouseYPos = scaleX.ori == 1 ? mouseLeft1 : mouseTop1;
+ let dist = abs(focus.dist(self, i, idx2, yPos, mouseYPos));
+
+ if (dist < closestDist) {
+ let bias = focus.bias;
+
+ if (bias != 0) {
+ let mouseYVal = posToVal(mouseYPos, s.scale);
+
+ let seriesYValSign = yVal2 >= 0 ? 1 : -1;
+ let mouseYValSign = mouseYVal >= 0 ? 1 : -1;
+
+ // with a focus bias, we will never cross zero when prox testing
+ // it's either closest towards zero, or closest away from zero
+ if (
+ mouseYValSign == seriesYValSign &&
+ (mouseYValSign == 1
+ ? bias == 1
+ ? yVal2 >= mouseYVal
+ : yVal2 <= mouseYVal // >= 0
+ : bias == 1
+ ? yVal2 <= mouseYVal
+ : yVal2 >= mouseYVal) // < 0
+ ) {
+ closestDist = dist;
+ closestSeries = i;
+ }
+ } else {
+ closestDist = dist;
+ closestSeries = i;
+ }
+ }
+ }
+
+ if (shouldSetLegend || cursorOnePt) {
+ let hPos, vPos;
+
+ if (scaleX.ori == 0) {
+ hPos = xPos2;
+ vPos = yPos;
+ } else {
+ hPos = yPos;
+ vPos = xPos2;
+ }
+
+ let ptWid,
+ ptHgt,
+ ptLft,
+ ptTop,
+ ptStroke,
+ ptFill,
+ centered = true,
+ getBBox = points.bbox;
+
+ if (getBBox != null) {
+ centered = false;
+
+ let bbox = getBBox(self, i);
+
+ ptLft = bbox.left;
+ ptTop = bbox.top;
+ ptWid = bbox.width;
+ ptHgt = bbox.height;
+ } else {
+ ptLft = hPos;
+ ptTop = vPos;
+ ptWid = ptHgt = points.size(self, i);
+ }
+
+ ptFill = points.fill(self, i);
+ ptStroke = points.stroke(self, i);
+
+ if (cursorOnePt) {
+ if (i == closestSeries && closestDist <= focus.prox) {
+ _ptLft = ptLft;
+ _ptTop = ptTop;
+ _ptWid = ptWid;
+ _ptHgt = ptHgt;
+ _centered = centered;
+ _ptFill = ptFill;
+ _ptStroke = ptStroke;
+ }
+ } else {
+ let pt = cursorPts[i];
+
+ if (pt != null) {
+ cursorPtsLft[i] = ptLft;
+ cursorPtsTop[i] = ptTop;
+
+ elSize(pt, ptWid, ptHgt, centered);
+ elColor(pt, ptFill, ptStroke);
+ elTrans(pt, ceil(ptLft), ceil(ptTop), plotWidCss, plotHgtCss);
+ }
+ }
+ }
+ }
+ }
+
+ // if only using single hover point (at cursorPts[0])
+ // we have trigger styling at last visible series (once closestSeries is settled)
+ if (cursorOnePt) {
+ // some of this logic is similar to series focus below, since it matches the behavior by design
+
+ let p = focus.prox;
+
+ let focusChanged =
+ focusedSeries == null
+ ? closestDist <= p
+ : closestDist > p || closestSeries != focusedSeries;
+
+ if (shouldSetLegend || focusChanged) {
+ let pt = cursorPts[0];
+
+ if (pt != null) {
+ cursorPtsLft[0] = _ptLft;
+ cursorPtsTop[0] = _ptTop;
+
+ elSize(pt, _ptWid, _ptHgt, _centered);
+ elColor(pt, _ptFill, _ptStroke);
+ elTrans(pt, ceil(_ptLft), ceil(_ptTop), plotWidCss, plotHgtCss);
+ }
+ }
+ }
+ }
+
+ // nit: cursor.drag.setSelect is assumed always true
+ if (select.show && dragging) {
+ if (src != null) {
+ let [xKey, yKey] = syncOpts.scales;
+ let [matchXKeys, matchYKeys] = syncOpts.match;
+ let [xKeySrc, yKeySrc] = src.cursor.sync.scales;
+
+ // match the dragX/dragY implicitness/explicitness of src
+ let sdrag = src.cursor.drag;
+ dragX = sdrag._x;
+ dragY = sdrag._y;
+
+ if (dragX || dragY) {
+ let { left, top, width, height } = src.select;
+
+ let sori = src.scales[xKeySrc].ori;
+ let sPosToVal = src.posToVal;
+
+ let sOff, sDim, sc, a, b;
+
+ let matchingX = xKey != null && matchXKeys(xKey, xKeySrc);
+ let matchingY = yKey != null && matchYKeys(yKey, yKeySrc);
+
+ if (matchingX && dragX) {
+ if (sori == 0) {
+ sOff = left;
+ sDim = width;
+ } else {
+ sOff = top;
+ sDim = height;
+ }
+
+ sc = scales[xKey];
+
+ a = valToPosX(sPosToVal(sOff, xKeySrc), sc, xDim, 0);
+ b = valToPosX(sPosToVal(sOff + sDim, xKeySrc), sc, xDim, 0);
+
+ setSelX(min(a, b), abs(b - a));
+ } else setSelX(0, xDim);
+
+ if (matchingY && dragY) {
+ if (sori == 1) {
+ sOff = left;
+ sDim = width;
+ } else {
+ sOff = top;
+ sDim = height;
+ }
+
+ sc = scales[yKey];
+
+ a = valToPosY(sPosToVal(sOff, yKeySrc), sc, yDim, 0);
+ b = valToPosY(sPosToVal(sOff + sDim, yKeySrc), sc, yDim, 0);
+
+ setSelY(min(a, b), abs(b - a));
+ } else setSelY(0, yDim);
+ } else hideSelect();
+ } else {
+ let rawDX = abs(rawMouseLeft1 - rawMouseLeft0);
+ let rawDY = abs(rawMouseTop1 - rawMouseTop0);
+
+ if (scaleX.ori == 1) {
+ let _rawDX = rawDX;
+ rawDX = rawDY;
+ rawDY = _rawDX;
+ }
+
+ dragX = drag.x && rawDX >= drag.dist;
+ dragY = drag.y && rawDY >= drag.dist;
+
+ let uni = drag.uni;
+
+ if (uni != null) {
+ // only calc drag status if they pass the dist thresh
+ if (dragX && dragY) {
+ dragX = rawDX >= uni;
+ dragY = rawDY >= uni;
+
+ // force unidirectionality when both are under uni limit
+ if (!dragX && !dragY) {
+ if (rawDY > rawDX) dragY = true;
+ else dragX = true;
+ }
+ }
+ } else if (drag.x && drag.y && (dragX || dragY))
+ // if omni with no uni then both dragX / dragY should be true if either is true
+ dragX = dragY = true;
+
+ let p0, p1;
+
+ if (dragX) {
+ if (scaleX.ori == 0) {
+ p0 = mouseLeft0;
+ p1 = mouseLeft1;
+ } else {
+ p0 = mouseTop0;
+ p1 = mouseTop1;
+ }
+
+ setSelX(min(p0, p1), abs(p1 - p0));
+
+ if (!dragY) setSelY(0, yDim);
+ }
+
+ if (dragY) {
+ if (scaleX.ori == 1) {
+ p0 = mouseLeft0;
+ p1 = mouseLeft1;
+ } else {
+ p0 = mouseTop0;
+ p1 = mouseTop1;
+ }
+
+ setSelY(min(p0, p1), abs(p1 - p0));
+
+ if (!dragX) setSelX(0, xDim);
+ }
+
+ // the drag didn't pass the dist requirement
+ if (!dragX && !dragY) {
+ setSelX(0, 0);
+ setSelY(0, 0);
+ }
+ }
+ }
+
+ drag._x = dragX;
+ drag._y = dragY;
+
+ if (src == null) {
+ if (_pub) {
+ if (syncKey != null) {
+ let [xSyncKey, ySyncKey] = syncOpts.scales;
+
+ syncOpts.values[0] =
+ xSyncKey != null
+ ? posToVal(scaleX.ori == 0 ? mouseLeft1 : mouseTop1, xSyncKey)
+ : null;
+ syncOpts.values[1] =
+ ySyncKey != null
+ ? posToVal(scaleX.ori == 1 ? mouseLeft1 : mouseTop1, ySyncKey)
+ : null;
+ }
+
+ pubSync(
+ mousemove,
+ self,
+ mouseLeft1,
+ mouseTop1,
+ plotWidCss,
+ plotHgtCss,
+ idx,
+ );
+ }
+
+ if (cursorFocus) {
+ let shouldPub = _pub && syncOpts.setSeries;
+ let p = focus.prox;
+
+ if (focusedSeries == null) {
+ if (closestDist <= p)
+ setSeries(closestSeries, FOCUS_TRUE, true, shouldPub);
+ } else {
+ if (closestDist > p) setSeries(null, FOCUS_TRUE, true, shouldPub);
+ else if (closestSeries != focusedSeries)
+ setSeries(closestSeries, FOCUS_TRUE, true, shouldPub);
+ }
+ }
+ }
+
+ if (shouldSetLegend) {
+ legend.idx = idx;
+ setLegend();
+ }
+
+ _fire !== false && fire("setCursor");
+ }
+
+ let rect = null;
+
+ Object.defineProperty(self, "rect", {
+ get() {
+ if (rect == null) syncRect(false);
+
+ return rect;
+ },
+ });
+
+ function syncRect(defer = false) {
+ if (defer) rect = null;
+ else {
+ rect = over.getBoundingClientRect();
+ fire("syncRect", rect);
+ }
+ }
+
+ function mouseMove(e, src, _l, _t, _w, _h, _i) {
+ if (cursor._lock) return;
+
+ // Chrome on Windows has a bug which triggers a stray mousemove event after an initial mousedown event
+ // when clicking into a plot as part of re-focusing the browser window.
+ // we gotta ignore it to avoid triggering a phantom drag / setSelect
+ // However, on touch-only devices Chrome-based browsers trigger a 0-distance mousemove before mousedown
+ // so we don't ignore it when mousedown has set the dragging flag
+ if (dragging && e != null && e.movementX == 0 && e.movementY == 0) return;
+
+ cacheMouse(e, src, _l, _t, _w, _h, _i, false, e != null);
+
+ if (e != null) updateCursor(null, true, true);
+ else updateCursor(src, true, false);
+ }
+
+ function cacheMouse(e, src, _l, _t, _w, _h, _i, initial, snap) {
+ if (rect == null) syncRect(false);
+
+ setCursorEvent(e);
+
+ if (e != null) {
+ _l = e.clientX - rect.left;
+ _t = e.clientY - rect.top;
+ } else {
+ if (_l < 0 || _t < 0) {
+ mouseLeft1 = -10;
+ mouseTop1 = -10;
+ return;
+ }
+
+ let [xKey, yKey] = syncOpts.scales;
+
+ let syncOptsSrc = src.cursor.sync;
+ let [xValSrc, yValSrc] = syncOptsSrc.values;
+ let [xKeySrc, yKeySrc] = syncOptsSrc.scales;
+ let [matchXKeys, matchYKeys] = syncOpts.match;
+
+ let rotSrc = src.axes[0].side % 2 == 1;
+
+ let xDim = scaleX.ori == 0 ? plotWidCss : plotHgtCss,
+ yDim = scaleX.ori == 1 ? plotWidCss : plotHgtCss,
+ _xDim = rotSrc ? _h : _w,
+ _yDim = rotSrc ? _w : _h,
+ _xPos = rotSrc ? _t : _l,
+ _yPos = rotSrc ? _l : _t;
+
+ if (xKeySrc != null)
+ _l = matchXKeys(xKey, xKeySrc)
+ ? getPos(xValSrc, scales[xKey], xDim, 0)
+ : -10;
+ else _l = xDim * (_xPos / _xDim);
+
+ if (yKeySrc != null)
+ _t = matchYKeys(yKey, yKeySrc)
+ ? getPos(yValSrc, scales[yKey], yDim, 0)
+ : -10;
+ else _t = yDim * (_yPos / _yDim);
+
+ if (scaleX.ori == 1) {
+ let __l = _l;
+ _l = _t;
+ _t = __l;
+ }
+ }
+
+ if (snap && (src == null || src.cursor.event.type == mousemove)) {
+ if (_l <= 1 || _l >= plotWidCss - 1) _l = incrRound(_l, plotWidCss);
+
+ if (_t <= 1 || _t >= plotHgtCss - 1) _t = incrRound(_t, plotHgtCss);
+ }
+
+ if (initial) {
+ rawMouseLeft0 = _l;
+ rawMouseTop0 = _t;
+
+ [mouseLeft0, mouseTop0] = cursor.move(self, _l, _t);
+ } else {
+ mouseLeft1 = _l;
+ mouseTop1 = _t;
+ }
+ }
+
+ const _hideProps = {
+ width: 0,
+ height: 0,
+ left: 0,
+ top: 0,
+ };
+
+ function hideSelect() {
+ setSelect(_hideProps, false);
+ }
+
+ let downSelectLeft;
+ let downSelectTop;
+ let downSelectWidth;
+ let downSelectHeight;
+
+ function mouseDown(e, src, _l, _t, _w, _h, _i) {
+ dragging = true;
+ dragX = dragY = drag._x = drag._y = false;
+
+ cacheMouse(e, src, _l, _t, _w, _h, _i, true, false);
+
+ if (e != null) {
+ onMouse(mouseup, doc, mouseUp, false);
+ pubSync(
+ mousedown,
+ self,
+ mouseLeft0,
+ mouseTop0,
+ plotWidCss,
+ plotHgtCss,
+ null,
+ );
+ }
+
+ let { left, top, width, height } = select;
+
+ downSelectLeft = left;
+ downSelectTop = top;
+ downSelectWidth = width;
+ downSelectHeight = height;
+
+ // hideSelect();
+ }
+
+ function mouseUp(e, src, _l, _t, _w, _h, _i) {
+ dragging = drag._x = drag._y = false;
+
+ cacheMouse(e, src, _l, _t, _w, _h, _i, false, true);
+
+ let { left, top, width, height } = select;
+
+ let hasSelect = width > 0 || height > 0;
+ let chgSelect =
+ downSelectLeft != left ||
+ downSelectTop != top ||
+ downSelectWidth != width ||
+ downSelectHeight != height;
+
+ hasSelect && chgSelect && setSelect(select);
+
+ if (drag.setScale && hasSelect && chgSelect) {
+ // if (syncKey != null) {
+ // dragX = drag.x;
+ // dragY = drag.y;
+ // }
+
+ let xOff = left,
+ xDim = width,
+ yOff = top,
+ yDim = height;
+
+ if (scaleX.ori == 1) {
+ (xOff = top), (xDim = height), (yOff = left), (yDim = width);
+ }
+
+ if (dragX) {
+ _setScale(
+ xScaleKey,
+ posToVal(xOff, xScaleKey),
+ posToVal(xOff + xDim, xScaleKey),
+ );
+ }
+
+ if (dragY) {
+ for (let k in scales) {
+ let sc = scales[k];
+
+ if (k != xScaleKey && sc.from == null && sc.min != inf) {
+ _setScale(k, posToVal(yOff + yDim, k), posToVal(yOff, k));
+ }
+ }
+ }
+
+ hideSelect();
+ } else if (cursor.lock) {
+ cursor._lock = !cursor._lock;
+ updateCursor(src, true, e != null);
+ }
+
+ if (e != null) {
+ offMouse(mouseup, doc);
+ pubSync(
+ mouseup,
+ self,
+ mouseLeft1,
+ mouseTop1,
+ plotWidCss,
+ plotHgtCss,
+ null,
+ );
+ }
+ }
+
+ function mouseLeave(e, src, _l, _t, _w, _h, _i) {
+ if (cursor._lock) return;
+
+ setCursorEvent(e);
+
+ let _dragging = dragging;
+
+ if (dragging) {
+ // handle case when mousemove aren't fired all the way to edges by browser
+ let snapH = true;
+ let snapV = true;
+ let snapProx = 10;
+
+ let dragH, dragV;
+
+ if (scaleX.ori == 0) {
+ dragH = dragX;
+ dragV = dragY;
+ } else {
+ dragH = dragY;
+ dragV = dragX;
+ }
+
+ if (dragH && dragV) {
+ // maybe omni corner snap
+ snapH = mouseLeft1 <= snapProx || mouseLeft1 >= plotWidCss - snapProx;
+ snapV = mouseTop1 <= snapProx || mouseTop1 >= plotHgtCss - snapProx;
+ }
+
+ if (dragH && snapH)
+ mouseLeft1 = mouseLeft1 < mouseLeft0 ? 0 : plotWidCss;
+
+ if (dragV && snapV) mouseTop1 = mouseTop1 < mouseTop0 ? 0 : plotHgtCss;
+
+ updateCursor(null, true, true);
+
+ dragging = false;
+ }
+
+ mouseLeft1 = -10;
+ mouseTop1 = -10;
+
+ activeIdxs.fill(null);
+
+ // passing a non-null timestamp to force sync/mousemove event
+ updateCursor(null, true, true);
+
+ if (_dragging) dragging = _dragging;
+ }
+
+ function dblClick(e, src, _l, _t, _w, _h, _i) {
+ if (cursor._lock) return;
+
+ setCursorEvent(e);
+
+ autoScaleX();
+
+ hideSelect();
+
+ if (e != null)
+ pubSync(
+ dblclick,
+ self,
+ mouseLeft1,
+ mouseTop1,
+ plotWidCss,
+ plotHgtCss,
+ null,
+ );
+ }
+
+ function syncPxRatio() {
+ axes.forEach(syncFontSize);
+ _setSize(self.width, self.height, true);
+ }
+
+ on(dppxchange, win, syncPxRatio);
+
+ // internal pub/sub
+ const events = {};
+
+ events.mousedown = mouseDown;
+ events.mousemove = mouseMove;
+ events.mouseup = mouseUp;
+ events.dblclick = dblClick;
+ events["setSeries"] = (e, src, idx, opts) => {
+ let seriesIdxMatcher = syncOpts.match[2];
+ idx = seriesIdxMatcher(self, src, idx);
+ idx != -1 && setSeries(idx, opts, true, false);
+ };
+
+ if (showCursor) {
+ onMouse(mousedown, over, mouseDown);
+ onMouse(mousemove, over, mouseMove);
+ onMouse(mouseenter, over, (e) => {
+ setCursorEvent(e);
+ syncRect(false);
+ });
+ onMouse(mouseleave, over, mouseLeave);
+
+ onMouse(dblclick, over, dblClick);
+
+ cursorPlots.add(self);
+
+ self.syncRect = syncRect;
+ }
+
+ // external on/off
+ const hooks = (self.hooks = opts.hooks || {});
+
+ function fire(evName, a1, a2) {
+ if (deferHooks) hooksQueue.push([evName, a1, a2]);
+ else {
+ if (evName in hooks) {
+ hooks[evName].forEach((fn) => {
+ fn.call(null, self, a1, a2);
+ });
+ }
+ }
+ }
+
+ (opts.plugins || []).forEach((p) => {
+ for (let evName in p.hooks)
+ hooks[evName] = (hooks[evName] || []).concat(p.hooks[evName]);
+ });
+
+ const seriesIdxMatcher = (self, src, srcSeriesIdx) => srcSeriesIdx;
+
+ const syncOpts = assign(
+ {
+ key: null,
+ setSeries: false,
+ filters: {
+ pub: retTrue,
+ sub: retTrue,
+ },
+ scales: [xScaleKey, series[1] ? series[1].scale : null],
+ match: [retEq, retEq, seriesIdxMatcher],
+ values: [null, null],
+ },
+ cursor.sync,
+ );
+
+ if (syncOpts.match.length == 2) syncOpts.match.push(seriesIdxMatcher);
+
+ cursor.sync = syncOpts;
+
+ const syncKey = syncOpts.key;
+
+ const sync = _sync(syncKey);
+
+ function pubSync(type, src, x, y, w, h, i) {
+ if (syncOpts.filters.pub(type, src, x, y, w, h, i))
+ sync.pub(type, src, x, y, w, h, i);
+ }
+
+ sync.sub(self);
+
+ function pub(type, src, x, y, w, h, i) {
+ if (syncOpts.filters.sub(type, src, x, y, w, h, i))
+ events[type](null, src, x, y, w, h, i);
+ }
+
+ self.pub = pub;
+
+ function destroy() {
+ sync.unsub(self);
+ cursorPlots.delete(self);
+ mouseListeners.clear();
+ off(dppxchange, win, syncPxRatio);
+ root.remove();
+ legendTable?.remove(); // in case mounted outside of root
+ fire("destroy");
+ }
+
+ self.destroy = destroy;
+
+ function _init() {
+ fire("init", opts, data);
+
+ setData(data || opts.data, false);
+
+ if (pendScales[xScaleKey]) setScale(xScaleKey, pendScales[xScaleKey]);
+ else autoScaleX();
+
+ shouldSetSelect = select.show && (select.width > 0 || select.height > 0);
+ shouldSetCursor = shouldSetLegend = true;
+
+ _setSize(opts.width, opts.height);
+ }
+
+ series.forEach(initSeries);
+
+ axes.forEach(initAxis);
+
+ if (then) {
+ if (then instanceof HTMLElement) {
+ then.appendChild(root);
+ _init();
+ } else then(self, _init);
+ } else _init();
+
+ return self;
+ }
+
+ uPlot.assign = assign;
+ uPlot.fmtNum = fmtNum;
+ uPlot.rangeNum = rangeNum;
+ uPlot.rangeLog = rangeLog;
+ uPlot.rangeAsinh = rangeAsinh;
+ uPlot.orient = orient;
+ uPlot.pxRatio = pxRatio;
+
+ {
+ uPlot.join = join;
+ }
+
+ {
+ uPlot.fmtDate = fmtDate;
+ uPlot.tzDate = tzDate;
+ }
+
+ uPlot.sync = _sync;
+
+ {
+ uPlot.addGap = addGap;
+ uPlot.clipGaps = clipGaps;
+
+ let paths = (uPlot.paths = {
+ points,
+ });
+
+ paths.linear = linear;
+ paths.stepped = stepped;
+ paths.bars = bars;
+ paths.spline = monotoneCubic;
+ }
+
+ return uPlot;
+})();
diff --git a/webstats/static/uPlot.iife.min.js b/webstats/static/uPlot.iife.min.js
new file mode 100644
index 0000000..047f29b
--- /dev/null
+++ b/webstats/static/uPlot.iife.min.js
@@ -0,0 +1,2 @@
+/*! https://github.com/leeoniya/uPlot (v1.6.32) */
+var uPlot=function(){"use strict";const l="u-off",e="u-label",t="width",n="height",i="top",o="bottom",s="left",r="right",u="#000",a=u+"0",f="mousemove",c="mousedown",h="mouseup",d="mouseenter",p="mouseleave",m="dblclick",g="change",x="dppxchange",w="--",_="undefined"!=typeof window,b=_?document:null,v=_?window:null,k=_?navigator:null;let y,M;function S(l,e){if(null!=e){let t=l.classList;!t.contains(e)&&t.add(e)}}function T(l,e){let t=l.classList;t.contains(e)&&t.remove(e)}function E(l,e,t){l.style[e]=t+"px"}function z(l,e,t,n){let i=b.createElement(l);return null!=e&&S(i,e),null!=t&&t.insertBefore(i,n),i}function D(l,e){return z("div",l,e)}const P=new WeakMap;function A(e,t,n,i,o){let s="translate("+t+"px,"+n+"px)";s!=P.get(e)&&(e.style.transform=s,P.set(e,s),0>t||0>n||t>i||n>o?S(e,l):T(e,l))}const W=new WeakMap;function Y(l,e,t){let n=e+t;n!=W.get(l)&&(W.set(l,n),l.style.background=e,l.style.borderColor=t)}const C=new WeakMap;function H(l,e,t,n){let 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diff --git a/webstats/static/uPlot.min.css b/webstats/static/uPlot.min.css
new file mode 100644
index 0000000..655a65a
--- /dev/null
+++ b/webstats/static/uPlot.min.css
@@ -0,0 +1,131 @@
+.uplot,
+.uplot *,
+.uplot *::before,
+.uplot *::after {
+ box-sizing: border-box;
+}
+.uplot {
+ font-family:
+ system-ui,
+ -apple-system,
+ "Segoe UI",
+ Roboto,
+ "Helvetica Neue",
+ Arial,
+ "Noto Sans",
+ sans-serif,
+ "Apple Color Emoji",
+ "Segoe UI Emoji",
+ "Segoe UI Symbol",
+ "Noto Color Emoji";
+ line-height: 1.5;
+ width: min-content;
+}
+.u-title {
+ text-align: center;
+ font-size: 18px;
+ font-weight: bold;
+}
+.u-wrap {
+ position: relative;
+ user-select: none;
+}
+.u-over,
+.u-under {
+ position: absolute;
+}
+.u-under {
+ overflow: hidden;
+}
+.uplot canvas {
+ display: block;
+ position: relative;
+ width: 100%;
+ height: 100%;
+}
+.u-axis {
+ position: absolute;
+}
+.u-legend {
+ font-size: 14px;
+ margin: auto;
+ text-align: center;
+}
+.u-inline {
+ display: block;
+}
+.u-inline * {
+ display: inline-block;
+}
+.u-inline tr {
+ margin-right: 16px;
+}
+.u-legend th {
+ font-weight: 600;
+}
+.u-legend th > * {
+ vertical-align: middle;
+ display: inline-block;
+}
+.u-legend .u-marker {
+ width: 1em;
+ height: 1em;
+ margin-right: 4px;
+ background-clip: padding-box !important;
+}
+.u-inline.u-live th::after {
+ content: ":";
+ vertical-align: middle;
+}
+.u-inline:not(.u-live) .u-value {
+ display: none;
+}
+.u-series > * {
+ padding: 4px;
+}
+.u-series th {
+ cursor: pointer;
+}
+.u-legend .u-off > * {
+ opacity: 0.3;
+}
+.u-select {
+ background: rgba(0, 0, 0, 0.07);
+ position: absolute;
+ pointer-events: none;
+}
+.u-cursor-x,
+.u-cursor-y {
+ position: absolute;
+ left: 0;
+ top: 0;
+ pointer-events: none;
+ will-change: transform;
+}
+.u-hz .u-cursor-x,
+.u-vt .u-cursor-y {
+ height: 100%;
+ border-right: 1px dashed #607d8b;
+}
+.u-hz .u-cursor-y,
+.u-vt .u-cursor-x {
+ width: 100%;
+ border-bottom: 1px dashed #607d8b;
+}
+.u-cursor-pt {
+ position: absolute;
+ top: 0;
+ left: 0;
+ border-radius: 50%;
+ border: 0 solid;
+ pointer-events: none;
+ will-change: transform; /*this has to be !important since we set inline "background" shorthand */
+ background-clip: padding-box !important;
+}
+.u-axis.u-off,
+.u-select.u-off,
+.u-cursor-x.u-off,
+.u-cursor-y.u-off,
+.u-cursor-pt.u-off {
+ display: none;
+}
diff --git a/webstats/workforrobots.org b/webstats/workforrobots.org
index 8cfeafe..9b7cde6 100644
--- a/webstats/workforrobots.org
+++ b/webstats/workforrobots.org
@@ -282,8 +282,6 @@ If you grep for the string /href="{{ .RelPermalink }}"/ over the entire git
history, you find it appears up to today =954= times. It is surprising how
=OpenAI= manage to request it =3= times that amount.
-
-
#+begin_src sqlite :exports results
SELECT
replace(path, '|', '%7C') AS Page,
@@ -341,6 +339,14 @@ ORDER BY
LIMIT 20
#+end_src
+my cgit instance using nginx is not working correctly.
+On the home(landing/starting) page all links work. Say I click on sepo "prime".
+that leads to the path /prime. That is how is written on the html links.
+
+Now that I'm in path '/prime' I want to go to the about page.
+The generated link is '/prime/prime/about'. It is repeating the path, because "im on page /prime", the new pages should be relative "about", or absolute '/prime/about'. But it is concatenating '/prime', to where I want to go '/prime/about', leaving '/prime/prime/about'
+
+Where do I fix this? What would the nginx config look like.
#+RESULTS[5d7adfe6034ad15603705e1501ba90fadc0a8f1c]:
| tx MiB | count(*) | agents | path |
|--------+----------+--------+----------------------------------------------------------------------------------------------------------|
generated by cgit v1.2.3 (git 2.43.0) at 2025-05-05 20:19:11 +0000