angular-translation-checker
Version:
A comprehensive tool for analyzing translation keys in Angular projects using ngx-translate
80 lines • 3.37 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.TypeScriptExtractor = void 0;
class TypeScriptExtractor {
constructor() {
this.name = 'typescript-extractor';
this.version = '1.0.0';
this.description = 'Extracts translation keys from TypeScript files';
this.supportedExtensions = ['.ts', '.tsx'];
}
async initialize(context) {
this.logger = context.logger;
this.logger.debug('TypeScript extractor initialized');
}
async extractKeys(filePath, content) {
const keys = [];
try {
// Pattern for translate.get('key'), translate.instant('key'), etc.
const translatePatterns = [
/translate\.(?:get|instant|stream)\(['"`]([^'"`]+)['"`]/g,
/this\.translate\.(?:get|instant|stream)\(['"`]([^'"`]+)['"`]/g,
/this\.translateService\.(?:get|instant|stream)\(['"`]([^'"`]+)['"`]/g,
];
// Pattern for pipe usage: 'key' | translate
const pipePattern = /['"`]([^'"`]+)['"`]\s*\|\s*translate/g;
// Process translate method calls
for (const pattern of translatePatterns) {
let match;
while ((match = pattern.exec(content)) !== null) {
keys.push(this.createTranslationKey(match[1], filePath, content, match.index));
}
}
// Process pipe usage
let pipeMatch;
while ((pipeMatch = pipePattern.exec(content)) !== null) {
keys.push(this.createTranslationKey(pipeMatch[1], filePath, content, pipeMatch.index));
}
// Pattern for dynamic key construction
const dynamicPatterns = [
/translate\.(?:get|instant|stream)\(\s*([^'"`\)]+)\s*\)/g,
/['"`]([^'"`]*\$\{[^}]+\}[^'"`]*)['"`]\s*\|\s*translate/g,
];
for (const pattern of dynamicPatterns) {
let match;
while ((match = pattern.exec(content)) !== null) {
const key = match[1].trim();
if (this.isDynamicKey(key)) {
keys.push(this.createTranslationKey(key, filePath, content, match.index, 'dynamic'));
}
}
}
}
catch (error) {
this.logger.warn(`Error extracting keys from ${filePath}: ${error}`);
}
return keys;
}
createTranslationKey(key, filePath, content, index, context) {
const lines = content.substring(0, index).split('\n');
const line = lines.length;
const column = lines[lines.length - 1].length + 1;
return {
key: key.trim(),
file: filePath,
line,
column,
context
};
}
isDynamicKey(key) {
// Check for variable references, template literals, concatenation, etc.
return /^[a-zA-Z_$][a-zA-Z0-9_$]*/.test(key) || // Variable reference
key.includes('${') || // Template literal
key.includes('+') || // Concatenation
key.includes('[') || // Array access
key.includes('.'); // Property access
}
}
exports.TypeScriptExtractor = TypeScriptExtractor;
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