@vendure/ngx-translate-extract/parsers/translate-function.parser.js

Extract strings from projects using ngx-translate

import { getNamedImportAlias, findFunctionCallExpressions, getStringsFromExpression, getAST } from '../utils/ast-helpers.js';
import { TranslationCollection } from '../utils/translation.collection.js';
export class TranslateFunctionParser {
    extract(source, filePath) {
        let collection = new TranslationCollection();
        const sourceFile = getAST(source, filePath).parsedFile;
        if (!sourceFile) {
            return collection;
        }
        const translateFnImportName = getNamedImportAlias(sourceFile, 'translate', '@ngx-translate/core');
        if (!translateFnImportName) {
            return collection;
        }
        const callExpressions = findFunctionCallExpressions(sourceFile, translateFnImportName);
        callExpressions.forEach((callExpression) => {
            const [firstArg] = callExpression.arguments;
            if (!firstArg) {
                return;
            }
            const strings = getStringsFromExpression(firstArg);
            collection = collection.addKeys(strings, filePath);
        });
        return collection;
    }
}