@boost/core/lib/Context.js

Robust pipeline for creating dev tools that separate logic into routines and tasks.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const common_1 = require("@boost/common");
class Context {
    /**
     * Create a new instance of the current context and shallow clone all properties.
     */
    clone(...args) {
        // @ts-ignore Not sure how to reflect the constructor of sub-classes
        const context = new this.constructor(...args);
        // Copy enumerable properties
        Object.keys(this).forEach(key => {
            const prop = key;
            let value = this[prop];
            if (Array.isArray(value)) {
                value = [...value];
            }
            else if (value instanceof Map) {
                value = new Map(value);
            }
            else if (value instanceof Set) {
                value = new Set(value);
            }
            else if (value instanceof Date) {
                value = new Date(value.getTime());
            }
            else if (common_1.isObject(value)) {
                // Dont dereference instances, only plain objects
                if (value.constructor === Object) {
                    value = Object.assign({}, value);
                }
            }
            context[prop] = value;
        });
        return context;
    }
}
exports.default = Context;