You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
2.0 KiB
80 lines
2.0 KiB
(function () {
|
|
importScripts('lunr.min.js');
|
|
|
|
var lunrIndex;
|
|
|
|
var stopWords = null;
|
|
var searchData = {};
|
|
|
|
lunr.tokenizer.seperator = /[\s\-\.]+/;
|
|
|
|
var stopWordsRequest = new XMLHttpRequest();
|
|
stopWordsRequest.open('GET', '../search-stopwords.json');
|
|
stopWordsRequest.onload = function () {
|
|
if (this.status != 200) {
|
|
return;
|
|
}
|
|
stopWords = JSON.parse(this.responseText);
|
|
buildIndex();
|
|
}
|
|
stopWordsRequest.send();
|
|
|
|
var searchDataRequest = new XMLHttpRequest();
|
|
|
|
searchDataRequest.open('GET', '../index.json');
|
|
searchDataRequest.onload = function () {
|
|
if (this.status != 200) {
|
|
return;
|
|
}
|
|
searchData = JSON.parse(this.responseText);
|
|
|
|
buildIndex();
|
|
|
|
postMessage({ e: 'index-ready' });
|
|
}
|
|
searchDataRequest.send();
|
|
|
|
onmessage = function (oEvent) {
|
|
var q = oEvent.data.q;
|
|
var hits = lunrIndex.search(q);
|
|
var results = [];
|
|
hits.forEach(function (hit) {
|
|
var item = searchData[hit.ref];
|
|
results.push({ 'href': item.href, 'title': item.title, 'keywords': item.keywords });
|
|
});
|
|
postMessage({ e: 'query-ready', q: q, d: results });
|
|
}
|
|
|
|
function buildIndex() {
|
|
if (stopWords !== null && !isEmpty(searchData)) {
|
|
lunrIndex = lunr(function () {
|
|
this.pipeline.remove(lunr.stopWordFilter);
|
|
this.ref('href');
|
|
this.field('title', { boost: 50 });
|
|
this.field('keywords', { boost: 20 });
|
|
|
|
for (var prop in searchData) {
|
|
if (searchData.hasOwnProperty(prop)) {
|
|
this.add(searchData[prop]);
|
|
}
|
|
}
|
|
|
|
var docfxStopWordFilter = lunr.generateStopWordFilter(stopWords);
|
|
lunr.Pipeline.registerFunction(docfxStopWordFilter, 'docfxStopWordFilter');
|
|
this.pipeline.add(docfxStopWordFilter);
|
|
this.searchPipeline.add(docfxStopWordFilter);
|
|
});
|
|
}
|
|
}
|
|
|
|
function isEmpty(obj) {
|
|
if(!obj) return true;
|
|
|
|
for (var prop in obj) {
|
|
if (obj.hasOwnProperty(prop))
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
})();
|