112 lines
3.7 KiB
JavaScript

summaryInclude=100;
var fuseOptions = {
shouldSort: true,
includeMatches: true,
threshold: 0.0,
tokenize: true,
location: 0,
distance: 100,
maxPatternLength: 32,
minMatchCharLength: 1,
keys: [
{ name: "title" , weight: 0.9 },
{ name: "tags" , weight: 0.7 },
{ name: "contents" , weight: 0.5 },
{ name: "categories" , weight: 0.3 }
]
};
var searchQuery = param("s");
if(searchQuery){
var inputBox = document.getElementById('search-query');
inputBox.value = searchQuery || "";
executeSearch(searchQuery, false);
} else {
$('#search-results').append("<p class=\"search-results-empty\">Please enter a word or phrase above, or see <a href=\"/tags/\">all tags</a>.</p>");
}
function executeInlineSearch(){
$(".search-results-empty").remove();
$(".search-results-summary").remove();
var query = document.getElementById("search-query").value;
if(query){
executeSearch(query, true);
} else {
$('#search-results').append("<p class=\"search-results-empty\">Please enter a word or phrase above, or see <a href=\"/tags/\">all tags</a>.</p>");
}
}
function executeSearch(searchQuery, clear_list){
$.getJSON( jsonfile, function( data ) {
var pages = data;
var fuse = new Fuse(pages, fuseOptions);
var result = fuse.search(searchQuery);
if(result.length > 0){
populateResults(result);
} else {
if (clear_list) {
$(".search-results-empty").remove();
}
$('#search-results').append("<p class=\"search-results-empty\">No matches found</p>");
}
});
}
function populateResults(result){
searchQuery = document.getElementById("search-query").value;
$.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);
}
var templateDefinition = $('#search-result-template').html();
var tags = ""
if (value.item.tags){
value.item.tags.forEach(function(element) {
tags = tags + "<a href='/tags/"+ element +"'>" + "#" + element + "</a> "
});
}
var output = render(templateDefinition,{key:key,title:value.item.title,link:value.item.permalink,tags:tags,categories:value.item.categories,snippet:snippet});
$('#search-results').append(output);
$.each(snippetHighlights,function(snipkey,snipvalue){
$("#summary-"+key).mark(snipvalue);
});
});
}
function param(name) {
return decodeURIComponent((location.search.split(name + '=')[1] || '').split('&')[0]).replace(/\+/g, ' ');
}
function render(templateString, data) {
var conditionalMatches,conditionalPattern,copy;
conditionalPattern = /\$\{\s*isset ([a-zA-Z]*) \s*\}(.*)\$\{\s*end\s*}/g;
copy = templateString;
while ((conditionalMatches = conditionalPattern.exec(templateString)) !== null) {
if(data[conditionalMatches[1]]){
copy = copy.replace(conditionalMatches[0],conditionalMatches[2]);
} else {
copy = copy.replace(conditionalMatches[0],'');
}
}
templateString = copy;
var key, find, re;
for (key in data) {
find = '\\$\\{\\s*' + key + '\\s*\\}';
re = new RegExp(find, 'g');
templateString = templateString.replace(re, data[key]);
}
return templateString;
}