@vendure/ngx-translate-extract/dist/compilers/po.compiler.js

Extract strings from projects using ngx-translate

import { TranslationCollection } from '../utils/translation.collection.js';
import pkg from 'gettext-parser';
const { po } = pkg;
export class PoCompiler {
    extension = 'po';
    domain = '';
    includeSources = true;
    constructor(options) {
        this.includeSources = options?.poSourceLocation ?? true;
    }
    compile(collection) {
        const data = {
            charset: 'utf-8',
            headers: {
                'mime-version': '1.0',
                'content-type': 'text/plain; charset=utf-8',
                'content-transfer-encoding': '8bit'
            },
            translations: {
                [this.domain]: Object.keys(collection.values)
                    .reduce((translations, key) => {
                    const entry = collection.get(key);
                    const comments = this.includeSources ? { reference: entry.sourceFiles?.join('\n') } : undefined;
                    return {
                        ...translations,
                        [key]: {
                            msgid: key,
                            msgstr: entry.value,
                            comments: comments
                        }
                    };
                }, {})
            }
        };
        return po.compile(data).toString('utf8');
    }
    parse(contents) {
        const collection = new TranslationCollection();
        const parsedPo = po.parse(contents, 'utf8');
        if (!parsedPo.translations.hasOwnProperty(this.domain)) {
            return collection;
        }
        const values = Object.keys(parsedPo.translations[this.domain])
            .filter((key) => key.length > 0)
            .reduce((result, key) => ({
            ...result,
            [key]: { value: parsedPo.translations[this.domain][key].msgstr.pop(), sourceFiles: parsedPo.translations[this.domain][key].comments?.reference?.split('\n') || [] }
        }), {});
        return new TranslationCollection(values);
    }
}
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