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authorÓscar Nájera <hello@oscarnajera.com>2018-07-15 19:43:38 +0200
committerÓscar Nájera <hello@oscarnajera.com>2018-07-15 19:43:38 +0200
commita7fed26337081ae0edbe84c769af21a409536cf3 (patch)
tree792cc6ba5e161b617b1f6c30eb79de368f2cfbff /static
parent8c1cb6a102110a7a10e743c458293723c17558b9 (diff)
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Import search
https://gist.github.com/eddiewebb/735feb48f50f0ddd65ae5606a1cb41ae
Diffstat (limited to 'static')
-rw-r--r--static/js/search.js108
1 files changed, 108 insertions, 0 deletions
diff --git a/static/js/search.js b/static/js/search.js
new file mode 100644
index 0000000..add8549
--- /dev/null
+++ b/static/js/search.js
@@ -0,0 +1,108 @@
+summaryInclude=60;
+var fuseOptions = {
+ shouldSort: true,
+ includeMatches: true,
+ threshold: 0.0,
+ tokenize:true,
+ location: 0,
+ distance: 100,
+ maxPatternLength: 32,
+ minMatchCharLength: 1,
+ keys: [
+ {name:"title",weight:0.8},
+ {name:"contents",weight:0.5},
+ {name:"tags",weight:0.3},
+ {name:"categories",weight:0.3}
+ ]
+};
+
+
+var searchQuery = param("s");
+if(searchQuery){
+ $("#search-query").val(searchQuery);
+ executeSearch(searchQuery);
+}else {
+ $('#search-results').append("<p>Please enter a word or phrase above</p>");
+}
+
+
+
+function executeSearch(searchQuery){
+ $.getJSON( "/index.json", function( data ) {
+ var pages = data;
+ var fuse = new Fuse(pages, fuseOptions);
+ var result = fuse.search(searchQuery);
+ console.log({"matches":result});
+ if(result.length > 0){
+ populateResults(result);
+ }else{
+ $('#search-results').append("<p>No matches found</p>");
+ }
+ });
+}
+
+function populateResults(result){
+ $.each(result,function(key,value){
+ var contents= value.item.contents;
+ var snippet = "";
+ var snippetHighlights=[];
+ var tags =[];
+ if( fuseOptions.tokenize ){
+ snippetHighlights.push(searchQuery);
+ }else{
+ $.each(value.matches,function(matchKey,mvalue){
+ if(mvalue.key == "tags" || mvalue.key == "categories" ){
+ snippetHighlights.push(mvalue.value);
+ }else if(mvalue.key == "contents"){
+ start = mvalue.indices[0][0]-summaryInclude>0?mvalue.indices[0][0]-summaryInclude:0;
+ end = mvalue.indices[0][1]+summaryInclude<contents.length?mvalue.indices[0][1]+summaryInclude:contents.length;
+ snippet += contents.substring(start,end);
+ snippetHighlights.push(mvalue.value.substring(mvalue.indices[0][0],mvalue.indices[0][1]-mvalue.indices[0][0]+1));
+ }
+ });
+ }
+
+ if(snippet.length<1){
+ snippet += contents.substring(0,summaryInclude*2);
+ }
+ //pull template from hugo templarte definition
+ var templateDefinition = $('#search-result-template').html();
+ //replace values
+ var output = render(templateDefinition,{key:key,title:value.item.title,link:value.item.permalink,tags:value.item.tags,categories:value.item.categories,snippet:snippet});
+ $('#search-results').append(output);
+
+ $.each(snippetHighlights,function(snipkey,snipvalue){
+ $("#summary-"+key).mark(snipvalue);
+ });
+
+ });
+}
+
+function param(name) {
+ return decodeURIComponent((location.search.split(name + '=')[1] || '').split('&')[0]).replace(/\+/g, ' ');
+}
+
+function render(templateString, data) {
+ var conditionalMatches,conditionalPattern,copy;
+ conditionalPattern = /\$\{\s*isset ([a-zA-Z]*) \s*\}(.*)\$\{\s*end\s*}/g;
+ //since loop below depends on re.lastInxdex, we use a copy to capture any manipulations whilst inside the loop
+ copy = templateString;
+ while ((conditionalMatches = conditionalPattern.exec(templateString)) !== null) {
+ if(data[conditionalMatches[1]]){
+ //valid key, remove conditionals, leave contents.
+ copy = copy.replace(conditionalMatches[0],conditionalMatches[2]);
+ }else{
+ //not valid, remove entire section
+ copy = copy.replace(conditionalMatches[0],'');
+ }
+ }
+ templateString = copy;
+ //now any conditionals removed we can do simple substitution
+ var key, find, re;
+ for (key in data) {
+ find = '\\$\\{\\s*' + key + '\\s*\\}';
+ re = new RegExp(find, 'g');
+ templateString = templateString.replace(re, data[key]);
+ }
+ return templateString;
+}