@sentzunhat/zacatl/build/esm/localization/node/helpers.js

A modular, high-performance TypeScript microservice framework for Node.js, featuring layered architecture, dependency injection, and robust validation for building scalable APIs and distributed systems.

import fs from 'fs';
import { BadRequestError } from '../../error/index.js';
export const isPlainObject = (value) => {
    return (typeof value === 'object' &&
        value !== null &&
        !Array.isArray(value) &&
        Object.prototype.toString.call(value) === '[object Object]');
};
export const deepMerge = (base, override) => {
    const out = { ...base };
    for (const [key, overrideValue] of Object.entries(override)) {
        const baseValue = out[key];
        if (isPlainObject(baseValue) && isPlainObject(overrideValue)) {
            out[key] = deepMerge(baseValue, overrideValue);
            continue;
        }
        out[key] = overrideValue;
    }
    return out;
};
export const readJsonFile = (filePath) => {
    const content = fs.readFileSync(filePath, 'utf-8');
    const parsed = JSON.parse(content);
    if (!isPlainObject(parsed)) {
        throw new BadRequestError({
            message: `Invalid locale JSON shape in ${filePath}`,
            reason: 'Locale file must contain a plain JSON object',
            component: 'I18nNode',
            operation: 'readJsonFile',
            metadata: { filePath },
        });
    }
    return parsed;
};
export const findExistingDir = (candidates) => {
    for (const candidate of candidates) {
        try {
            if (fs.existsSync(candidate) && fs.statSync(candidate).isDirectory()) {
                return candidate;
            }
        }
        catch {
        }
    }
    return null;
};
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