json-autotranslate/lib/translate.js

Translate a folder of JSON files containing translations into multiple languages.

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
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    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
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            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
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        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
var _this = this;
exports.__esModule = true;
var translate_1 = require("@google-cloud/translate");
var messageformat_parser_1 = require("messageformat-parser");
var translate = new translate_1.Translate({ autoRetry: true });
exports.generateSearchRegex = function (input) {
    var parts = messageformat_parser_1.parse(input);
    return new RegExp(parts
        .map(function (part) {
        return typeof part === 'string'
            ? part.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
            : '(.+?)';
    })
        .join(''));
};
exports.replaceIcu = function (input) {
    var searchRegex = exports.generateSearchRegex(input);
    var matches = input.match(searchRegex);
    var replacements = matches.slice(1).map(function (match, index) { return ({
        from: match,
        to: "{" + index + "}"
    }); });
    var clean = replacements.reduce(function (acc, cur) { return acc.replace(cur.from, cur.to); }, input);
    return { clean: clean, replacements: replacements };
};
exports.reInsertIcu = function (clean, replacements) { return replacements.reduce(function (acc, cur) { return acc.replace(cur.to, cur.from); }, clean); };
exports.translateStrings = function (strings, from, to) { return __awaiter(_this, void 0, void 0, function () {
    var results, _i, strings_1, string, _a, clean, replacements, translationResult;
    return __generator(this, function (_b) {
        switch (_b.label) {
            case 0:
                results = [];
                _i = 0, strings_1 = strings;
                _b.label = 1;
            case 1:
                if (!(_i < strings_1.length)) return [3 /*break*/, 4];
                string = strings_1[_i];
                _a = exports.replaceIcu(string.value), clean = _a.clean, replacements = _a.replacements;
                return [4 /*yield*/, translate.translate(clean, {
                        from: from,
                        to: to
                    })];
            case 2:
                translationResult = (_b.sent())[0];
                results.push({
                    key: string.key,
                    original: string.value,
                    translated: exports.reInsertIcu(translationResult, replacements)
                });
                _b.label = 3;
            case 3:
                _i++;
                return [3 /*break*/, 1];
            case 4: return [2 /*return*/, results];
        }
    });
}); };