@awesome-fe/translate
Version:
Translation utils
79 lines • 3.01 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.FakeTranslationEngine = void 0;
const translation_engine_1 = require("./translation-engine");
const delay_1 = require("../dom/delay");
const dom_models_1 = require("../dom/parse5/dom-models");
const url_patterns_1 = require("./url-patterns");
const sentence_formatter_1 = require("./sentence-formatter");
function isTranslatableText(text) {
return /[A-Za-z]/.test(text) && text !== 'no-translate' && !/^[A-Z]+$/.test(text);
}
function translateText(text) {
if (!isTranslatableText(text)) {
return text;
}
if (text.startsWith('[') && text.endsWith(']')) {
const content = text.substring(1, text.length - 1);
return `[译${content}]`;
}
else {
return `译${text}`;
}
}
function translate(node) {
if (node instanceof dom_models_1.DomText) {
// 网址和邮件地址不翻译
if (url_patterns_1.simpleEmailPattern.test(node.value) || url_patterns_1.urlSchemaPattern.test(node.value)) {
return;
}
node.value = translateText(node.value);
}
else if (node instanceof dom_models_1.DomElement && (node.isTagOf('code', 'kbd') || node.getAttribute('translate') === 'no')) {
// 什么也不做
}
else if (node instanceof dom_models_1.DomElement && node.isTagOf('img', 'audio', 'video')) {
const alt = node.getAttribute('alt');
if (alt) {
node.setAttribute('alt', translateText(alt));
}
}
else if (node instanceof dom_models_1.DomParentNode) {
node.childNodes.forEach(translate);
}
}
function mergeTextNodes(parent) {
let text = '';
for (let i = parent.childNodes.length - 1; i >= 0; i--) {
const node = parent.childNodes[i];
if (node instanceof dom_models_1.DomText) {
text = node.value + text;
const previousSibling = node.previousSibling();
if (!(previousSibling instanceof dom_models_1.DomText) || previousSibling instanceof dom_models_1.DomText && /\n+/.test(previousSibling.textContent)) {
node.value = text;
text = '';
}
else {
node.remove();
}
}
if (node instanceof dom_models_1.DomParentNode) {
mergeTextNodes(node);
}
}
}
class FakeTranslationEngine extends translation_engine_1.TranslationEngine {
async batchTranslate(pairs, format) {
await (0, delay_1.delay)(200);
for (let pair of pairs) {
const html = sentence_formatter_1.SentenceFormatter.toHtml(pair[0], format);
const doc = dom_models_1.DomDocumentFragment.parse(html);
mergeTextNodes(doc);
translate(doc);
pair[1] = sentence_formatter_1.SentenceFormatter.fromHtml(doc.toHtml(), format);
}
return pairs;
}
}
exports.FakeTranslationEngine = FakeTranslationEngine;
//# sourceMappingURL=fake-engine.js.map