@herlinus/coloquent/dist/PolymorphicModel.js

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

import { Model } from "./Model";
export class PolymorphicEntry {
    constructor(klass, value) {
        this.klass = klass;
        this.value = value;
    }
    isTheGood(type) {
        return type === this.value;
    }
}
export class PolymorphicMapping {
    constructor(polymorphicEntries) {
        this.polymorphicEntries = polymorphicEntries;
    }
    getClass(type) {
        for (const entry of this.polymorphicEntries) {
            if (entry.isTheGood(type)) {
                return entry.klass;
            }
        }
        return null;
    }
}
export class PolymorphicModel extends Model {
    static appendPolymorph(value) {
        let that = this;
        return function appendPolymorph_(klass) {
            klass.JsonApiBaseType_ = that.getJsonApiBaseType();
            that.polymorphicOn.polymorphicEntries.push(new PolymorphicEntry(klass, value));
            return klass;
        };
    }
    static getClass(doc) {
        return this.polymorphicOn.getClass(doc.type) || this;
    }
}
PolymorphicModel.polymorphicOn = new PolymorphicMapping([]);
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