@herlinus/coloquent/dist/util/Map.js

Library for retrieving model objects from a JSON-API, with a fluent syntax inspired by Laravel Eloquent.

export class Map {
    constructor() {
        this.data = {};
        this.changed = {};
    }
    get(key) {
        return this.data[key];
    }
    set(key, value, original) {
        if (!original) {
            this.changed[key] = this.data[key];
        }
        this.data[key] = value;
    }
    toArray() {
        return this.data;
    }
    isDirty() {
        for (let key of Object.keys(this.changed)) {
            if (this.changed[key] !== this.data[key])
                return true;
        }
        return false;
    }
    hasChanged(key) {
        return this.changed.hasOwnProperty(key) && ((this.data[key] !== this.changed[key]));
    }
    flushChanged() {
        this.changed = {};
    }
    reset() {
        for (let key of Object.keys(this.changed)) {
            this.data[key] = this.changed[key];
        }
    }
}
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