villa/bld/edge/chainable.js

Promise utilities for async/await-ready environment.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const _1 = require(".");
class Chainable extends Promise {
    each(handler) {
        let chainable = this.then(values => _1.each(values, handler));
        return Promise.resolve(chainable);
    }
    every(handler) {
        let chainable = this.then(values => _1.every(values, handler));
        return Promise.resolve(chainable);
    }
    filter(handler) {
        return this.then(values => _1.filter(values, handler));
    }
    find(handler) {
        let chainable = this.then(values => _1.find(values, handler));
        return Promise.resolve(chainable);
    }
    findIndex(handler) {
        let chainable = this.then(values => _1.findIndex(values, handler));
        return Promise.resolve(chainable);
    }
    map(transformer, concurrency) {
        return this.then(values => _1.map(values, transformer, concurrency));
    }
    parallel(handler, concurrency) {
        let chainable = this.then(values => _1.map(values, handler, concurrency));
        return Promise.resolve(chainable).then(() => undefined);
    }
    race(transformer) {
        let chainable = this.then(values => Promise.race(values.map(transformer)));
        return Promise.resolve(chainable);
    }
    reduce(transformer, ...args) {
        let chainable = this.then(values => _1.reduce(values, transformer, ...args));
        return Array.isArray(args[0])
            ? chainable
            : Promise.resolve(chainable);
    }
    reduceRight(transformer, ...args) {
        let chainable = this.then(values => _1.reduceRight(values, transformer, ...args));
        return Array.isArray(args[0])
            ? chainable
            : Promise.resolve(chainable);
    }
    some(handler) {
        let chainable = this.then(values => _1.some(values, handler));
        return Promise.resolve(chainable);
    }
    static resolve(resolvable) {
        return new Chainable(resolve => resolve(resolvable));
    }
}
exports.Chainable = Chainable;
/**
 * Wrap given resolvable with a chainable derived of built-in promise.
 */
function chainable(resolvable) {
    return Chainable.resolve(resolvable);
}
exports.chainable = chainable;
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