iframe-proxy | Sunbelt Computer Software

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importScripts('lunr.min.js');

// create lunr.js search index specifying that we want to index the title and body fields of documents.

var lunr_index = lunr(function() {

this.field('title', { boost: 10 });

this.field('body');

this.ref('id');

}),

entries;

onmessage = function (oEvent) {

populateIndex = function(data) {

// format the raw json into a form that is simpler to work with

this.entries = data.map(this.createEntry).filter(function(n){ return n !== undefined });

this.entries.forEach(function(entry) {

if (entry !== null)

this.lunr_index.add(entry);

});

postMessage({type: {indexed: true}});

};

decodeHtmlEntity = function(str) {

return str.replace(/&#(\d+);/g, function(match, dec) {

return String.fromCharCode(dec);

});

};

createEntry = function(entry, entry_id) {

if (entry.title === undefined)

return undefined;

entry.id = entry_id + 1;

entry.title = decodeHtmlEntity(entry.title);

return entry;

};

search = function(data) {

var entries = this.entries;

var results = lunr_index

.search(data.query)

.map(function(result) {

return entries.filter(function(entry) { return entry.id === parseInt(result.ref, 10); })[0];

})

.filter(function (result) {

return typeof result !== 'undefined';

});

postMessage({ query: data.query, results: results, type: { search: true } });

}

// if we're asked to index, index! else, search

if (oEvent.data.type == "index")

populateIndex(oEvent.data);

else

search(oEvent.data);

};

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