dts-element-fp/lib/utils/create-masks.js

typescript definition generator for functional programming

"use strict";
exports.__esModule = true;
var R = require("ramda");
var left_pad_1 = require("./left-pad");
/**
 * - `masks[0]` -> `"000"`
 * - `masks[1]` -> `"100"`
 * - `masks[2]` -> `"010"`
 * - ...
 */
exports.create_masks = function (length) {
    return R.repeat(0, Math.pow(2, length)).map(function (_, index) {
        return left_pad_1.left_pad(index.toString(2), '0', length)
            .split('')
            .reverse()
            .join('');
    });
};