jaywalk/dist/support/promises.js

Runtime type validation

"use strict";
var Promise = require('any-promise');
var error_1 = require('./error');
function promiseEvery(fns) {
    var err;
    var results = new Array(fns.length);
    if (fns.length === 0) {
        return Promise.resolve(results);
    }
    function handle(fn, index) {
        return new Promise(function (resolve) { return resolve(fn()); })
            .then(function (result) {
            results[index] = result;
            return results;
        }, function (error) {
            if (!(error instanceof error_1.ValidationError)) {
                return Promise.reject(error);
            }
            err = error;
            return results;
        });
    }
    return fns.reduce(function (result, next, index) {
        return result.then(function () {
            return handle(next, index);
        });
    }, Promise.resolve(results)).then(function (res) { return err ? Promise.reject(err) : res; });
}
exports.promiseEvery = promiseEvery;
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