tsoid
Version:
Typed functional library to deal with async operations.
32 lines (31 loc) • 1.3 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const fail_1 = require("./fail");
/**
* Flats a promise into a value and apply the function fn to the resolved function,
* then resolves the result of calling fn applied to the result of p.
*
* @param {Promise} p
* @param {function} fn
*/
function flatMap(p, fn) {
return __awaiter(this, void 0, void 0, function* () {
try {
const resolved = yield p();
return yield fn(resolved);
}
catch (err) {
return fail_1.default(err);
}
});
}
exports.default = flatMap;