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search-worker.js
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53 lines (48 loc) · 1.61 KB
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(function () {
importScripts('lunr.min.js');
var lunrIndex = lunr(function () {
this.pipeline.remove(lunr.stopWordFilter);
this.ref('href');
this.field('title', { boost: 50 });
this.field('keywords', { boost: 20 });
});
lunr.tokenizer.seperator = /[\s\-\.]+/;
var stopWordsRequest = new XMLHttpRequest();
stopWordsRequest.open('GET', '../search-stopwords.json');
stopWordsRequest.onload = function () {
if (this.status != 200) {
return;
}
var stopWords = JSON.parse(this.responseText);
var docfxStopWordFilter = lunr.generateStopWordFilter(stopWords);
lunr.Pipeline.registerFunction(docfxStopWordFilter, 'docfxStopWordFilter');
lunrIndex.pipeline.add(docfxStopWordFilter);
}
stopWordsRequest.send();
var searchData = {};
var searchDataRequest = new XMLHttpRequest();
searchDataRequest.open('GET', '../index.json');
searchDataRequest.onload = function () {
if (this.status != 200) {
return;
}
searchData = JSON.parse(this.responseText);
for (var prop in searchData) {
if (searchData.hasOwnProperty(prop)) {
lunrIndex.add(searchData[prop]);
}
}
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 });
}
})();