toxic-predicate-functions/lib/index.js

predicate functions

/**
 * toxic-predicate-functions v0.4.2
 * (c) 2017-2019 toxic-johann
 * Released under MIT
 * Built ad Wed Oct 02 2019 11:59:54 GMT+0800 (China Standard Time)
 */

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var _typeof = _interopDefault(require('@babel/runtime/helpers/typeof'));

/** Detect free variable `global` from Node.js. */
var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;

/** Detect free variable `self`. */
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

/** Used as a reference to the global object. */
var root = freeGlobal || freeSelf || Function('return this')();

/** Built-in value references. */
var Symbol = root.Symbol;

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var nativeObjectToString = objectProto.toString;

/** Built-in value references. */
var symToStringTag = Symbol ? Symbol.toStringTag : undefined;

/**
 * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the raw `toStringTag`.
 */
function getRawTag(value) {
  var isOwn = hasOwnProperty.call(value, symToStringTag),
      tag = value[symToStringTag];

  try {
    value[symToStringTag] = undefined;
    var unmasked = true;
  } catch (e) {}

  var result = nativeObjectToString.call(value);
  if (unmasked) {
    if (isOwn) {
      value[symToStringTag] = tag;
    } else {
      delete value[symToStringTag];
    }
  }
  return result;
}

/** Used for built-in method references. */
var objectProto$1 = Object.prototype;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var nativeObjectToString$1 = objectProto$1.toString;

/**
 * Converts `value` to a string using `Object.prototype.toString`.
 *
 * @private
 * @param {*} value The value to convert.
 * @returns {string} Returns the converted string.
 */
function objectToString(value) {
  return nativeObjectToString$1.call(value);
}

/** `Object#toString` result references. */
var nullTag = '[object Null]',
    undefinedTag = '[object Undefined]';

/** Built-in value references. */
var symToStringTag$1 = Symbol ? Symbol.toStringTag : undefined;

/**
 * The base implementation of `getTag` without fallbacks for buggy environments.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the `toStringTag`.
 */
function baseGetTag(value) {
  if (value == null) {
    return value === undefined ? undefinedTag : nullTag;
  }
  return (symToStringTag$1 && symToStringTag$1 in Object(value))
    ? getRawTag(value)
    : objectToString(value);
}

/**
 * Checks if `value` is object-like. A value is object-like if it's not `null`
 * and has a `typeof` result of "object".
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
 * @example
 *
 * _.isObjectLike({});
 * // => true
 *
 * _.isObjectLike([1, 2, 3]);
 * // => true
 *
 * _.isObjectLike(_.noop);
 * // => false
 *
 * _.isObjectLike(null);
 * // => false
 */
function isObjectLike(value) {
  return value != null && typeof value == 'object';
}

/**
 * Checks if `value` is classified as an `Array` object.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an array, else `false`.
 * @example
 *
 * _.isArray([1, 2, 3]);
 * // => true
 *
 * _.isArray(document.body.children);
 * // => false
 *
 * _.isArray('abc');
 * // => false
 *
 * _.isArray(_.noop);
 * // => false
 */
var isArray = Array.isArray;

/**
 * Checks if `value` is the
 * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
 * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(_.noop);
 * // => true
 *
 * _.isObject(null);
 * // => false
 */
function isObject(value) {
  var type = typeof value;
  return value != null && (type == 'object' || type == 'function');
}

/**
 * Creates a unary function that invokes `func` with its argument transformed.
 *
 * @private
 * @param {Function} func The function to wrap.
 * @param {Function} transform The argument transform.
 * @returns {Function} Returns the new function.
 */
function overArg(func, transform) {
  return function(arg) {
    return func(transform(arg));
  };
}

/** Built-in value references. */
var getPrototype = overArg(Object.getPrototypeOf, Object);

/** `Object#toString` result references. */
var objectTag = '[object Object]';

/** Used for built-in method references. */
var funcProto = Function.prototype,
    objectProto$2 = Object.prototype;

/** Used to resolve the decompiled source of functions. */
var funcToString = funcProto.toString;

/** Used to check objects for own properties. */
var hasOwnProperty$1 = objectProto$2.hasOwnProperty;

/** Used to infer the `Object` constructor. */
var objectCtorString = funcToString.call(Object);

/**
 * Checks if `value` is a plain object, that is, an object created by the
 * `Object` constructor or one with a `[[Prototype]]` of `null`.
 *
 * @static
 * @memberOf _
 * @since 0.8.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
 * @example
 *
 * function Foo() {
 *   this.a = 1;
 * }
 *
 * _.isPlainObject(new Foo);
 * // => false
 *
 * _.isPlainObject([1, 2, 3]);
 * // => false
 *
 * _.isPlainObject({ 'x': 0, 'y': 0 });
 * // => true
 *
 * _.isPlainObject(Object.create(null));
 * // => true
 */
function isPlainObject(value) {
  if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
    return false;
  }
  var proto = getPrototype(value);
  if (proto === null) {
    return true;
  }
  var Ctor = hasOwnProperty$1.call(proto, 'constructor') && proto.constructor;
  return typeof Ctor == 'function' && Ctor instanceof Ctor &&
    funcToString.call(Ctor) == objectCtorString;
}

/** `Object#toString` result references. */
var stringTag = '[object String]';

/**
 * Checks if `value` is classified as a `String` primitive or object.
 *
 * @static
 * @since 0.1.0
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a string, else `false`.
 * @example
 *
 * _.isString('abc');
 * // => true
 *
 * _.isString(1);
 * // => false
 */
function isString(value) {
  return typeof value == 'string' ||
    (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
}

/**
 * Checks if `value` is `null` or `undefined`.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is nullish, else `false`.
 * @example
 *
 * _.isNil(null);
 * // => true
 *
 * _.isNil(void 0);
 * // => true
 *
 * _.isNil(NaN);
 * // => false
 */
function isNil(value) {
  return value == null;
}

/**
 * Checks if `value` is `undefined`.
 *
 * @static
 * @since 0.1.0
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
 * @example
 *
 * _.isUndefined(void 0);
 * // => true
 *
 * _.isUndefined(null);
 * // => false
 */
function isUndefined(value) {
  return value === undefined;
}

var inBrowser = typeof window !== 'undefined' && Object.prototype.toString.call(window) !== '[object Object]';
var isVoid = isNil;
var isObject$1 = isPlainObject;
function defined(obj) {
  return !isUndefined(obj);
}
function isNumeric(obj) {
  return !isArray(obj) && obj - parseFloat(obj) + 1 >= 0;
}
function isEmpty(obj) {
  if (isArray(obj)) {
    return obj.length === 0;
  } else if (isObject$1(obj)) {
    return Object.keys(obj).length === 0;
  }

  return !obj;
}
function isEvent(obj) {
  return obj instanceof Event || (obj && obj.originalEvent) instanceof Event;
}
function isBlob(obj) {
  return obj instanceof Blob;
}
function isFile(obj) {
  return obj && isString(obj.name) && isBlob(obj);
}
function isPromise(obj) {
  return !!obj && (_typeof(obj) === 'object' || typeof obj === 'function') && typeof obj.then === 'function';
}
function isPrimitive(val) {
  return !isObject(val);
}
function isUrl(str) {
  return isString(str) && !!str.match(/^((https?|ftp|rtsp|mms):\/\/)(([0-9a-z_!~*'().&=+$%-]+: )?[0-9a-z_!~*'().&=+$%-]+@)?(([0-9]{1,3}\.){3}[0-9]{1,3}|([0-9a-z_!~*'()-]+\.)*([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]\.[a-z]{2,6}|localhost)(:[0-9]{1,4})?((\/?)|(\/[0-9a-z_!~*'().;?:@&=+$,%#-]+)+\/?)$/i);
}
function isNode(obj) {
  return !!((typeof Node === "undefined" ? "undefined" : _typeof(Node)) === 'object' ? obj instanceof Node : obj && _typeof(obj) === 'object' && typeof obj.nodeType === 'number' && typeof obj.nodeName === 'string');
}
function isElement(obj) {
  return !!((typeof HTMLElement === "undefined" ? "undefined" : _typeof(HTMLElement)) === 'object' ? obj instanceof HTMLElement : obj && _typeof(obj) === 'object' && obj !== null && obj.nodeType === 1 && typeof obj.nodeName === 'string');
}
function isChildNode(parent, child) {
  if (!isNode(parent) || !isNode(child)) {
    return false;
  }

  return child.parentNode === parent;
}
function isPosterityNode(parent, child) {
  if (!isNode(parent) || !isNode(child)) {
    return false;
  }

  while (child.parentNode) {
    child = child.parentNode;

    if (child === parent) {
      return true;
    }
  }

  return false;
}
function isHTMLString(str) {
  return isString(str) && /<[^>]+?>/.test(str);
}

exports.defined = defined;
exports.inBrowser = inBrowser;
exports.isBlob = isBlob;
exports.isChildNode = isChildNode;
exports.isElement = isElement;
exports.isEmpty = isEmpty;
exports.isEvent = isEvent;
exports.isFile = isFile;
exports.isHTMLString = isHTMLString;
exports.isNode = isNode;
exports.isNumeric = isNumeric;
exports.isObject = isObject$1;
exports.isPosterityNode = isPosterityNode;
exports.isPrimitive = isPrimitive;
exports.isPromise = isPromise;
exports.isUrl = isUrl;
exports.isVoid = isVoid;