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/*!
* Lunr languages, `Vietnamese` language
* https://github.com/MihaiValentin/lunr-languages
*
* Copyright 2017, Keerati Thiwanruk
* http://www.mozilla.org/MPL/
*/
/*!
* based on
* Snowball JavaScript Library v0.3
* http://code.google.com/p/urim/
* http://snowball.tartarus.org/
*
* Copyright 2010, Oleg Mazko
* http://www.mozilla.org/MPL/
*/
/**
* export the module via AMD, CommonJS or as a browser global
* Export code from https://github.com/umdjs/umd/blob/master/returnExports.js
*/
(function(root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define(factory)
} else if (typeof exports === 'object') {
/**
* Node. Does not work with strict CommonJS, but
* only CommonJS-like environments that support module.exports,
* like Node.
*/
module.exports = factory()
} else {
// Browser globals (root is window)
factory()(root.lunr);
}
}(this, function() {
/**
* Just return a value to define the module export.
* This example returns an object, but the module
* can return a function as the exported value.
*/
return function(lunr) {
/* throw error if lunr is not yet included */
if ('undefined' === typeof lunr) {
throw new Error('Lunr is not present. Please include / require Lunr before this script.');
}
/* throw error if lunr stemmer support is not yet included */
if ('undefined' === typeof lunr.stemmerSupport) {
throw new Error('Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.');
}
/* register specific locale function */
lunr.vi = function() {
this.pipeline.reset();
this.pipeline.add(
lunr.vi.stopWordFilter,
lunr.vi.trimmer
);
};
/* lunr trimmer function */
lunr.vi.wordCharacters = "[" +
"A-Za-z" +
"\u0300\u0350" + // dấu huyền
"\u0301\u0351" + // dấu sắc
"\u0309" + // dấu hỏi
"\u0323" + // dấu nặng
"\u0303\u0343" + // dấu ngã
"\u00C2\u00E2" + // Â
"\u00CA\u00EA" + // Ê
"\u00D4\u00F4" + // Ô
"\u0102-\u0103" + // Ă
"\u0110-\u0111" + // Đ
"\u01A0-\u01A1" + // Ơ
"\u01AF-\u01B0" + // Ư
"]";
lunr.vi.trimmer = lunr.trimmerSupport.generateTrimmer(lunr.vi.wordCharacters);
lunr.Pipeline.registerFunction(lunr.vi.trimmer, 'trimmer-vi');
lunr.vi.stopWordFilter = lunr.generateStopWordFilter('là cái nhưng mà'.split(' '));
};
}))
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