pomeranian-durations/lib/_utils.js

An immutable duration library based on the ISO-8601 format for durations.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.negate = exports.values = exports.leftPad = exports.joinWhen = exports.except = exports.mapValues = exports.pick = exports.createRegexBuilder = exports.pipe = exports.curry = void 0;

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _iterableToArrayLimit(arr, i) { var _i = arr && (typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]); if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

// Credit to https://medium.com/@kevincennis/currying-in-javascript-c66080543528
var curry = function curry(fn) {
  var arity = fn.length;
  return function resolver() {
    var memory = Array.prototype.slice.call(arguments);
    return function () {
      // eslint-disable-line func-names
      var local = memory.slice();
      Array.prototype.push.apply(local, arguments);
      var next = local.length >= arity ? fn : resolver;
      return next.apply(null, local);
    };
  }();
};

exports.curry = curry;

var pipe = function pipe(initialValue) {
  for (var _len = arguments.length, fns = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
    fns[_key - 1] = arguments[_key];
  }

  return fns.reduce(function (result, fn) {
    return fn(result);
  }, initialValue);
};

exports.pipe = pipe;

var createRegexBuilder = function createRegexBuilder() {
  var regex = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';

  var valueOf = function valueOf(value) {
    return value.isBuilder ? value.toValue() : value;
  };

  var convertToValue = function convertToValue(fn) {
    return function (regexBuilder) {
      return createRegexBuilder(fn(valueOf(regexBuilder)));
    };
  };

  var maybe = convertToValue(function (newRegex) {
    return "(".concat(newRegex, ")?");
  });
  var and = convertToValue(function (newRegex) {
    return "".concat(regex).concat(newRegex);
  });

  var join = function join() {
    for (var _len2 = arguments.length, array = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
      array[_key2] = arguments[_key2];
    }

    return createRegexBuilder([regex].concat(array).join(''));
  };

  var startOfLine = function startOfLine() {
    return and('^');
  };

  var endOfLine = function endOfLine() {
    return and('$');
  };

  var toValue = function toValue() {
    return regex;
  };

  var test = function test(value) {
    return new RegExp(toValue()).test(value);
  };

  return {
    join: join,
    startOfLine: startOfLine,
    endOfLine: endOfLine,
    maybe: maybe,
    and: and,
    toValue: toValue,
    test: test,
    isBuilder: true
  };
};

exports.createRegexBuilder = createRegexBuilder;
var pick = curry(function (keys, object) {
  return keys.reduce(function (result, key) {
    if (key in object) {
      result[key] = object[key];
    } // eslint-disable-line no-param-reassign


    return result;
  }, {});
});
exports.pick = pick;
var mapValues = curry(function (fn, object) {
  return Object.keys(object).reduce(function (result, key) {
    result[key] = fn(object[key]); // eslint-disable-line no-param-reassign

    return result;
  }, {});
});
exports.mapValues = mapValues;
var except = curry(function (keys, object) {
  return Object.keys(object).reduce(function (result, key) {
    if (!keys.includes(key)) {
      result[key] = object[key];
    } // eslint-disable-line no-param-reassign


    return result;
  }, {});
});
exports.except = except;

var joinWhen = function joinWhen(compareFn, string) {
  for (var _len3 = arguments.length, values = new Array(_len3 > 2 ? _len3 - 2 : 0), _key3 = 2; _key3 < _len3; _key3++) {
    values[_key3 - 2] = arguments[_key3];
  }

  return values.filter(compareFn).join(string);
};

exports.joinWhen = joinWhen;
var leftPad = curry(function (amount, fill, input) {
  var string = "".concat(input || fill);

  var _string$split = string.split('.'),
      _string$split2 = _slicedToArray(_string$split, 2),
      number = _string$split2[0],
      decimals = _string$split2[1];

  if (number.length >= amount) {
    return string;
  }

  var prefix = Array.from({
    length: amount
  }).reduce(function (result) {
    return "".concat(result).concat(fill);
  });
  var prefixedNumber = "".concat(prefix).concat(number).substr(-amount);
  return decimals ? "".concat(prefixedNumber, ".").concat(decimals) : prefixedNumber;
});
exports.leftPad = leftPad;

var values = function values(object) {
  return Object.keys(object).map(function (key) {
    return object[key];
  });
};

exports.values = values;

var negate = function negate(value) {
  return value * -1;
};

exports.negate = negate;