dts-element-fp/lib/utils/has.js

typescript definition generator for functional programming

"use strict";
exports.__esModule = true;
var R = require("ramda");
var match_1 = require("./match");
/**
 * (object: any, target: any) => boolean
 *
 * Returns `true` if `object` contains something matches `target` recursively, `false` otherwise.
 */
exports.has = R.curry(internal_has)(R.__, R.__, []);
function internal_has(object, target, path) {
    return R.cond([
        [/* is cyclic */ R.contains(R.__, path), R.F],
        [match_1.match(target), R.T],
        [R.isNil, R.F],
        [
            R.T,
            R.pipe(R.keys, R.any(function (key) {
                return internal_has(object[key], target, R.append(object, path));
            })),
        ],
    ])(object);
}