cld3-asm/dist/src/cldLoader.js

WebAssembly based Javascript bindings for google compact language detector 3

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var utf8_1 = require("utf8");
var cldAsmModule_1 = require("./cldAsmModule");
var munge_vector = function (vector) {
    var size = vector.size();
    var ret = [];
    for (var idx = 0; idx < size; idx++) {
        ret.push(vector.get(idx));
    }
    return ret;
};
/**
 * @internal
 * Creates a factory function for mounting files into wasm filesystem
 * and creating language identifier instance.
 *
 * @param {CldAsmModule} asmModule wasm / asm module loaded into memory.
 *
 * @returns {CldFactory} Factory function manages lifecycle of cld3 language identifier.
 */
exports.cldLoader = function (asmModule) { return ({
    create: function (minBytes, maxBytes) {
        if (minBytes === void 0) { minBytes = asmModule.NNetLanguageIdentifier.kMinNumBytesToConsider; }
        if (maxBytes === void 0) { maxBytes = asmModule.NNetLanguageIdentifier.kMaxNumBytesToConsider; }
        var identifier = new asmModule.NNetLanguageIdentifier(minBytes, maxBytes);
        return {
            findLanguage: function (text) { return identifier.FindLanguage(utf8_1.encode(text)); },
            findMostFrequentLanguages: function (text, numLangs) {
                var resultVector = identifier.FindTopNMostFreqLangs(utf8_1.encode(text), numLangs);
                var resultArray = munge_vector(resultVector);
                return resultArray.filter(function (x) { return !!x && !!x.language && x.language !== cldAsmModule_1.UnknownLanguage; });
            },
            dispose: function () { return identifier.delete(); }
        };
    }
}); };
//# sourceMappingURL=cldLoader.js.map