json-api-nestjs/src/lib/modules/atomic-operation/factory/async-iterator.js

JsonApi Plugin for NestJs

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.AsyncIterate = void 0;
const constants_1 = require("../constants");
class GeneralAsyncIterator {
    iterateObject;
    callback;
    counter = 0;
    maxLimit;
    constructor(iterateObject, callback) {
        this.iterateObject = iterateObject;
        this.callback = callback;
        if (!Array.isArray(iterateObject)) {
            throw new Error('Expected iterateObject to be an array');
        }
        this.maxLimit = iterateObject.length;
    }
    async next() {
        const items = !Array.isArray(this.iterateObject[this.counter])
            ? [this.iterateObject[this.counter]]
            : this.iterateObject[this.counter];
        this.counter++;
        if (this.counter <= this.maxLimit) {
            return this.callback(...items).then((r) => ({
                done: false,
                value: r,
            }));
        }
        else {
            return Promise.resolve({ done: true, value: {} });
        }
    }
}
exports.AsyncIterate = {
    provide: constants_1.ASYNC_ITERATOR_FACTORY,
    useFactory: () => ({
        createIterator(iterateObject, callback) {
            return {
                [Symbol.asyncIterator]: () => new GeneralAsyncIterator(iterateObject, callback),
            };
        },
    }),
};
//# sourceMappingURL=async-iterator.js.map