json-order/dist/order.js

Control the order of properties in JSON via a lookup object - including nested properties.

"use strict";
/* eslint-disable @typescript-eslint/ban-types */
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var lodash_clonedeep_1 = __importDefault(require("lodash.clonedeep"));
var getProperty = function (obj, key, separator) {
    var exists = true;
    var value = key
        .split(separator)
        .filter(function (s) { return s.length > 0; })
        .reduce(function (o, x) {
        exists = o && o.hasOwnProperty(x);
        if (!exists) {
            return undefined;
        }
        return o[x];
    }, obj);
    return { exists: exists, value: value };
};
var setProperty = function (obj, key, value, separator) {
    key
        .split(separator)
        .filter(function (s) { return s.length > 0; })
        .reduce(function (o, x, idx, src) {
        if (idx === src.length - 1) {
            var valueToSet = Array.isArray(value)
                ? lodash_clonedeep_1.default(value).map(function (p) { return (typeof p === 'object' ? {} : p); })
                : value;
            o[x] = valueToSet;
        }
        return o[x];
    }, obj);
};
var copyProperty = function (sourceObject, resultObject, propertyPath, separator) {
    var result = getProperty(sourceObject, propertyPath, separator);
    if (result.exists) {
        setProperty(resultObject, propertyPath, result.value, separator);
    }
};
/**
 * Duplicate a JS object but containing a particular property order
 *
 * @param sourceObject an object with the properties in any order
 * @param map the `PropertyMap` generated by the `parse` method
 * @param separator a non-empty `string` that controls what the key separator is in the generated map. Defaults to `~`.
 * @returns the source object ordered as per the map
 */
var order = function (sourceObject, map, separator) {
    if (separator === void 0) { separator = '~'; }
    if (separator.length < 1) {
        throw new Error('Separator should not be an empty string.');
    }
    if (!map) {
        return sourceObject;
    }
    var mapKeys = Object.keys(map);
    var prefixLength = (mapKeys[0] && mapKeys[0].length) || 0;
    var resultObject = {};
    mapKeys.forEach(function (mk) {
        var childKeys = map[mk];
        // Remove prefix
        var parentKey = mk.substr(prefixLength);
        var parent = getProperty(sourceObject, parentKey, separator);
        if (parent.exists) {
            // Set a default value for the property
            var defaultValue = Array.isArray(parent.value) ? parent.value : {};
            setProperty(resultObject, parentKey, defaultValue, separator);
            // Fetch value from source and set on output
            childKeys.forEach(function (key) {
                return copyProperty(sourceObject, resultObject, "" + parentKey + separator + key, separator);
            });
        }
    });
    return resultObject;
};
exports.default = order;