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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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