294 lines
8.4 KiB
JavaScript
294 lines
8.4 KiB
JavaScript
'use strict';
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// Example:
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// tUI(/*prefix:account*/'account.passwordChangeRequest', language)
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// /*prefix:helpers*/<Trans i18nKey="userMessagesUnread" count={count}>Hello <strong title={t('nameTitle')}>{{name}}</strong>, you have {{count}} unread message. <Link to="/msgs">Go to messages</Link>.</Trans>
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const fs = require('fs');
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const path = require('path');
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const klawSync = require('klaw-sync');
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const acorn = require("acorn");
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const acornJsx = require("acorn-jsx");
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const ellipsize = require('ellipsize');
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const camelCase = require('camelcase');
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const slugify = require('slugify');
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const readline = require('readline');
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const localeFile = 'common/en.json';
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const searchDirs = [
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'../client/src',
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'../server',
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'../shared'
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];
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function findInDict(dict, key) {
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const keyElems = key.split('.');
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let val = dict;
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for (const keyElem of keyElems) {
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if (val) {
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val = val[keyElem];
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} else {
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return undefined;
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}
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}
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return val;
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}
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function setInDict(dict, key, value) {
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const keyElems = key.split('.');
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let val = dict;
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for (const keyElem of keyElems.slice(0, -1)) {
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if (val[keyElem]) {
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if (typeof val[keyElem] === 'string') {
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throw new Error(`Overlapping key ${key}`);
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}
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} else {
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val[keyElem] = {}
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}
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val = val[keyElem];
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}
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val[keyElems[keyElems.length - 1]] = value;
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}
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const assignedKeys = new Map();
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function getKeyFromValue(spec, value) {
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let key = value.replace(/<\/?[0-9]+>/g, ''); // Remove Trans markup
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key = slugify(key, { replacement: ' ', remove: /[()"':.,;\[\]\{\}*+-]/g, lower: false });
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key = camelCase(key);
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key = ellipsize(key, 40, {
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chars: [...Array(26)].map((_, i) => String.fromCharCode('A'.charCodeAt(0) + i)) /* This is an array of characters A-Z */,
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ellipse: ''
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});
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if (spec.prefix) {
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key = spec.prefix + '.' + key;
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}
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let idx = 0;
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while (true) {
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const keyExt = key + (idx ? '-' + idx : '')
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if (assignedKeys.has(keyExt)) {
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if (assignedKeys.get(keyExt) === value) {
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assignedKeys.set(key, value);
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return keyExt;
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}
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} else {
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assignedKeys.set(key, value);
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return keyExt;
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}
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idx++;
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}
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}
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function allowedDirOrFile(item) {
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const pp = path.parse(item.path)
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return (
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(item.stats.isDirectory() &&
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pp.base !== 'node_modules'
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) ||
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(item.stats.isFile() &&
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( pp.ext === '.js' || pp.ext === '.jsx')
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)
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);
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}
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function parseSpec(specStr) {
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const spec = {};
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if (specStr) {
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const entryMatcher = /([a-zA-Z]*)\s*:\s*(.*)/
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const entries = specStr.split(/\s*,\s*/);
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for (const entry of entries) {
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const elems = entry.match(entryMatcher);
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if (elems) {
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spec[elems[1]] = elems[2];
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}
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}
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}
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return spec;
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}
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// see http://blog.stevenlevithan.com/archives/match-quoted-string
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const tMatcher = /(^|[ {+(=])((?:tUI|tLog|t|tMark)\s*\(\s*(?:\/\*(.*?)\*\/)?\s*)(["'])((?:(?!\4)[^\\]|\\.)*)(\4)/;
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const transMatcher = /(\/\*(.*?)\*\/\s*)?(\<Trans[ >][\s\S]*?\<\/Trans\>)/;
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const jsxParser = acorn.Parser.extend(acornJsx());
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function parseTrans(fragment) {
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const match = fragment.match(transMatcher);
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const spec = parseSpec(match[2]);
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const jsxStr = match[3];
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const jsxStrSmpl = jsxStr.replace('{::', '{ '); // Acorn does not handle bind (::) operator. So we just leave it out because we are not interested in the code anyway.
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const ast = jsxParser.parse(jsxStrSmpl);
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function convertChildren(children) {
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const entries = [];
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let childNo = 0;
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for (const child of children) {
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const type = child.type;
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if (type === 'JSXText') {
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entries.push(child.value);
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childNo++;
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} else if (type === 'JSXElement') {
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const inner = convertChildren(child.children);
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entries.push(`<${childNo}>${convertChildren(child.children)}</${childNo}>`);
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childNo++;
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} else if (type === 'JSXExpressionContainer') {
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entries.push(jsxStr.substring(child.start, child.end));
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childNo++;
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} else {
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throw new Error('Unknown JSX node: ' + child);
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}
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}
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return entries.join('');
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}
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const expr = ast.body[0].expression;
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let originalKey;
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for (const attr of expr.openingElement.attributes) {
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const name = attr.name.name;
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if (name === 'i18nKey') {
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originalKey = attr.value.value;
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}
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}
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const convValue = convertChildren(expr.children);
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if (originalKey === undefined) {
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originalKey = convValue;
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}
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let value;
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const originalValue = findInDict(originalResDict, originalKey);
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if (originalValue === undefined) {
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value = convValue;
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} else {
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value = originalValue;
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}
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const key = getKeyFromValue(spec, value);
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const replacement = `${match[1] || ''}<Trans i18nKey="${key}">${jsxStr.substring(expr.openingElement.end, expr.closingElement.start)}</Trans>`;
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return { key, originalKey, value, replacement };
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}
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function parseT(fragment) {
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const match = fragment.match(tMatcher);
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const originalKey = match[5];
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const spec = parseSpec(match[3]);
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// console.log(`${file}: ${line}`);
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// console.log(` |${match[1]}|${match[2]}|${match[4]}|${match[5]}|${match[6]}| - ${JSON.stringify(spec)}`);
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let value;
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const originalValue = findInDict(originalResDict, originalKey);
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if (originalValue === undefined) {
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value = originalKey;
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} else {
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value = originalValue;
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}
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const key = getKeyFromValue(spec, value);
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const replacement = `${match[1]}${match[2]}${match[4]}${key}${match[6]}`;
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return { key, originalKey, value, originalValue, replacement };
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}
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const renamedKeys = new Map();
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const resDict = {};
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let anyUpdatesToResDict = false;
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function processFile(file) {
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let source = fs.readFileSync(file, 'utf8');
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let anyUpdates = false;
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function update(fragments, parseFun) {
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if (fragments) {
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for (const fragment of fragments) {
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const {key, originalKey, value, originalValue, replacement} = parseFun(fragment);
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// console.log(`${key} <- ${originalKey} | ${value} <- ${originalValue} | ${fragment} -> ${replacement}`);
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source = source.split(fragment).join(replacement);
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setInDict(resDict, key, value);
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if (originalKey !== key) {
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renamedKeys.set(originalKey, key);
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}
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if (originalKey !== key || originalValue !== value) {
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anyUpdates = true;
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}
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}
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}
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}
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const lines = source.split(/\r?\n/g);
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for (const line of lines) {
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const fragments = line.match(new RegExp(tMatcher, 'g'));
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update(fragments, parseT);
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}
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const fragments = source.match(new RegExp(transMatcher, 'g'));
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update(fragments, parseTrans);
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if (anyUpdates) {
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console.log(`Updating ${file}`);
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fs.writeFileSync(file, source);
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anyUpdatesToResDict = true;
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}
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}
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const originalResDict = JSON.parse(fs.readFileSync(localeFile));
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function run() {
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for (const dir of searchDirs) {
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const files = klawSync(dir, { nodir: true, filter: allowedDirOrFile })
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for (const file of files) {
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processFile(file.path);
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}
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}
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if (anyUpdatesToResDict) {
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console.log(`Updating ${localeFile}`);
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fs.writeFileSync(localeFile, JSON.stringify(resDict, null, 2));
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}
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}
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processFile('../client/src/templates/helpers.js');
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const rl = readline.createInterface({
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input: process.stdin,
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output: process.stdout
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});
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console.log('This script does modifications in the source tree. You should first commit all your files in git before proceeding.');
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rl.question('To proceed type YES: ', (answer) => {
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if (answer === 'YES') {
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run();
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}
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rl.close();
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});
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