@smartimpact-it/json-merge-shopify/lib/formatter/formatJson.js

## JSON Merger

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.formatJson = void 0;
/**
 * Format JSONs similarly to how Shopify does it.
 */
const formatJson = (source, options = {}) => {
    const defaultOptions = {
        doubleEscape: true,
        fixEmptyObjects: true,
        fixEmptyArrays: true,
        addNewLineAtEndOfFile: true,
        tabSize: 2,
    };
    options = {
        ...defaultOptions,
        ...options,
    };
    let formatted;
    // Double escape forward slashes
    if (options.doubleEscape) {
        const replacer = (key, value) => {
            if (typeof value === 'string') {
                return value.replace(/\//g, '\\=-=-=\\/');
            }
            return value;
        };
        formatted = JSON.stringify(source, replacer, options.tabSize).replaceAll(`\\\\=-=-=\\\\`, '\\');
    }
    else {
        formatted = JSON.stringify(source, null, options.tabSize);
    }
    // Fix empty objects - {} becomes {\n}
    if (options.fixEmptyObjects) {
        formatted = formatted.replace(/\n(\s+)([^{\n]+)\{\}/g, '\n$1$2{\n$1}');
    }
    // Fix empty arrays - {} becomes [\n\n]
    if (options.fixEmptyArrays) {
        formatted = formatted.replace(/\n(\s+)([^{\n]+)\[\]/g, '\n$1$2[\n\n$1]');
    }
    // Add new line at the end of the file
    if (options.addNewLineAtEndOfFile) {
        formatted += '\n';
    }
    return formatted;
};
exports.formatJson = formatJson;
exports.default = exports.formatJson;