json-schema-describes-subset/dist/utils/instances-by-constructor/instances-by-constructor.js

Tools for static JSON schema analysis, including functions to determine if one schema describes a subset of another or if a schema describes the empty set or to convert a schema to its disjunctive normal form (DNF).

export class InstancesByConstructor {
    #map = new Map();
    constructor(instances) {
        if (instances !== undefined) {
            this.push(...instances);
        }
    }
    push(...instances) {
        for (const instance of instances) {
            const mappedInstances = this.#map.get(instance.constructor);
            if (mappedInstances === undefined) {
                this.#map.set(instance.constructor, [instance]);
            }
            else {
                mappedInstances.push(instance);
            }
        }
    }
    get(constructor) {
        return (this.#map.get(constructor) ?? []);
    }
    has(constructor) {
        return this.#map.has(constructor);
    }
    delete(constructor) {
        return this.#map.delete(constructor);
    }
    getConstructors() {
        return this.#map.keys();
    }
}
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