123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141 |
- "use strict";
- const getProperty = (obj, path) => {
- let name = path.split(".");
- for (let i = 0; i < name.length - 1; i++) {
- obj = obj[name[i]];
- if (typeof obj !== "object" || !obj || Array.isArray(obj)) return;
- }
- return obj[name.pop()];
- };
- const setProperty = (obj, path, value) => {
- let name = path.split(".");
- for (let i = 0; i < name.length - 1; i++) {
- if (typeof obj[name[i]] !== "object" && obj[name[i]] !== undefined) return;
- if (Array.isArray(obj[name[i]])) return;
- if (!obj[name[i]]) obj[name[i]] = {};
- obj = obj[name[i]];
- }
- obj[name.pop()] = value;
- };
- class OptionsDefaulter {
- constructor() {
-
- this.defaults = {};
-
- this.config = {};
- }
-
- process(options) {
- options = Object.assign({}, options);
- for (let name in this.defaults) {
- switch (this.config[name]) {
-
- case undefined:
- if (getProperty(options, name) === undefined) {
- setProperty(options, name, this.defaults[name]);
- }
- break;
-
- case "call":
- setProperty(
- options,
- name,
- this.defaults[name].call(this, getProperty(options, name), options)
- );
- break;
-
- case "make":
- if (getProperty(options, name) === undefined) {
- setProperty(options, name, this.defaults[name].call(this, options));
- }
- break;
-
- case "append": {
- let oldValue = getProperty(options, name);
- if (!Array.isArray(oldValue)) {
- oldValue = [];
- }
- oldValue.push(...this.defaults[name]);
- setProperty(options, name, oldValue);
- break;
- }
- default:
- throw new Error(
- "OptionsDefaulter cannot process " + this.config[name]
- );
- }
- }
- return options;
- }
-
- set(name, config, def) {
- if (def !== undefined) {
- this.defaults[name] = def;
- this.config[name] = config;
- } else {
- this.defaults[name] = config;
- delete this.config[name];
- }
- }
- }
- module.exports = OptionsDefaulter;
|