json-autotranslate
Version:
Translate a folder of JSON files containing translations into multiple languages.
163 lines (162 loc) • 8.87 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
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) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
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();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
exports.__esModule = true;
exports.AzureTranslator = void 0;
var node_fetch_1 = __importDefault(require("node-fetch"));
var lodash_1 = require("lodash");
var html_entities_1 = require("html-entities");
var matchers_1 = require("../matchers");
var LANGUAGE_ENDPOINT = 'https://api.cognitive.microsofttranslator.com/languages?api-version=3.0';
var TRANSLATE_ENDPOINT = 'https://api.cognitive.microsofttranslator.com/translate?api-version=3.0';
var AzureTranslator = /** @class */ (function () {
function AzureTranslator() {
this.name = 'Azure';
}
AzureTranslator.prototype.initialize = function (config, interpolationMatcher, decodeEscapes) {
return __awaiter(this, void 0, void 0, function () {
var _a, apiKey, region, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
_a = config.split(','), apiKey = _a[0], region = _a[1];
if (!apiKey)
throw new Error("Please provide an API key for Azure.");
this.apiKey = apiKey;
this.region = region;
this.interpolationMatcher = interpolationMatcher;
_b = this;
return [4 /*yield*/, this.getAvailableLanguages()];
case 1:
_b.supportedLanguages = _c.sent();
this.decodeEscapes = decodeEscapes;
return [2 /*return*/];
}
});
});
};
AzureTranslator.prototype.getAvailableLanguages = function () {
return __awaiter(this, void 0, void 0, function () {
var response, supported, keys, simplified;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, node_fetch_1["default"](LANGUAGE_ENDPOINT)];
case 1:
response = _a.sent();
return [4 /*yield*/, response.json()];
case 2:
supported = (_a.sent());
keys = Object.keys(supported.translation).map(function (k) { return k.toLowerCase(); });
simplified = keys
.filter(function (k) { return k.includes('-'); })
.map(function (l) { return l.split('-')[0]; });
return [2 /*return*/, new Set(keys.concat(simplified))];
}
});
});
};
AzureTranslator.prototype.supportsLanguage = function (language) {
return this.supportedLanguages.has(language.toLowerCase());
};
AzureTranslator.prototype.translateBatch = function (batch, from, to) {
return __awaiter(this, void 0, void 0, function () {
var toTranslate, headers, response, _a, _b, data;
var _this = this;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
toTranslate = batch.map(function (_a) {
var key = _a.key, value = _a.value;
var _b = matchers_1.replaceInterpolations(value, _this.interpolationMatcher), clean = _b.clean, replacements = _b.replacements;
return { key: key, value: value, clean: clean, replacements: replacements };
});
headers = {
'Ocp-Apim-Subscription-Key': this.apiKey,
'Content-Type': 'application/json; charset=UTF-8'
};
if (this.region) {
headers['Ocp-Apim-Subscription-Region'] = this.region;
}
return [4 /*yield*/, node_fetch_1["default"](TRANSLATE_ENDPOINT + "&from=" + from + "&to=" + to + "&textType=html", {
method: 'POST',
headers: headers,
body: JSON.stringify(toTranslate.map(function (c) { return ({ Text: c.clean }); }))
})];
case 1:
response = _c.sent();
if (!!response.ok) return [3 /*break*/, 3];
_a = Error.bind;
_b = 'Azure Translation failed: ';
return [4 /*yield*/, response.text()];
case 2: throw new (_a.apply(Error, [void 0, _b + (_c.sent())]))();
case 3: return [4 /*yield*/, response.json()];
case 4:
data = (_c.sent());
return [2 /*return*/, data.map(function (res, i) {
var translated = matchers_1.reInsertInterpolations(res.translations[0].text, toTranslate[i].replacements);
return {
key: toTranslate[i].key,
value: toTranslate[i].value,
translated: _this.decodeEscapes ? html_entities_1.decode(translated) : translated
};
})];
}
});
});
};
AzureTranslator.prototype.translateStrings = function (strings, from, to) {
return __awaiter(this, void 0, void 0, function () {
var batches, results;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
batches = lodash_1.chunk(strings, 50);
return [4 /*yield*/, Promise.all(batches.map(function (batch) { return _this.translateBatch(batch, from, to); }))];
case 1:
results = _a.sent();
return [2 /*return*/, lodash_1.flatten(results)];
}
});
});
};
return AzureTranslator;
}());
exports.AzureTranslator = AzureTranslator;