1 | "use strict";
|
2 | var __importDefault = (this && this.__importDefault) || function (mod) {
|
3 | return (mod && mod.__esModule) ? mod : { "default": mod };
|
4 | };
|
5 | Object.defineProperty(exports, "__esModule", { value: true });
|
6 | const util_1 = __importDefault(require("util"));
|
7 | const symbol_observable_1 = __importDefault(require("symbol-observable"));
|
8 | const toString = Object.prototype.toString;
|
9 | const isOfType = (type) => (value) => typeof value === type;
|
10 | const getObjectType = (value) => {
|
11 | const objectName = toString.call(value).slice(8, -1);
|
12 | if (objectName) {
|
13 | return objectName;
|
14 | }
|
15 | return null;
|
16 | };
|
17 | const isObjectOfType = (type) => (value) => getObjectType(value) === type;
|
18 | function is(value) {
|
19 | switch (value) {
|
20 | case null:
|
21 | return "null" ;
|
22 | case true:
|
23 | case false:
|
24 | return "boolean" ;
|
25 | default:
|
26 | }
|
27 | switch (typeof value) {
|
28 | case 'undefined':
|
29 | return "undefined" ;
|
30 | case 'string':
|
31 | return "string" ;
|
32 | case 'number':
|
33 | return "number" ;
|
34 | case 'symbol':
|
35 | return "symbol" ;
|
36 | default:
|
37 | }
|
38 | if (is.function_(value)) {
|
39 | return "Function" ;
|
40 | }
|
41 | if (is.observable(value)) {
|
42 | return "Observable" ;
|
43 | }
|
44 | if (Array.isArray(value)) {
|
45 | return "Array" ;
|
46 | }
|
47 | if (Buffer.isBuffer(value)) {
|
48 | return "Buffer" ;
|
49 | }
|
50 | const tagType = getObjectType(value);
|
51 | if (tagType) {
|
52 | return tagType;
|
53 | }
|
54 | if (value instanceof String || value instanceof Boolean || value instanceof Number) {
|
55 | throw new TypeError('Please don\'t use object wrappers for primitive types');
|
56 | }
|
57 | return "Object" ;
|
58 | }
|
59 | (function (is) {
|
60 | const isObject = (value) => typeof value === 'object';
|
61 |
|
62 | is.undefined = isOfType('undefined');
|
63 | is.string = isOfType('string');
|
64 | is.number = isOfType('number');
|
65 | is.function_ = isOfType('function');
|
66 | is.null_ = (value) => value === null;
|
67 | is.class_ = (value) => is.function_(value) && value.toString().startsWith('class ');
|
68 | is.boolean = (value) => value === true || value === false;
|
69 | is.symbol = isOfType('symbol');
|
70 |
|
71 | is.array = Array.isArray;
|
72 | is.buffer = Buffer.isBuffer;
|
73 | is.nullOrUndefined = (value) => is.null_(value) || is.undefined(value);
|
74 | is.object = (value) => !is.nullOrUndefined(value) && (is.function_(value) || isObject(value));
|
75 | is.iterable = (value) => !is.nullOrUndefined(value) && is.function_(value[Symbol.iterator]);
|
76 | is.asyncIterable = (value) => !is.nullOrUndefined(value) && is.function_(value[Symbol.asyncIterator]);
|
77 | is.generator = (value) => is.iterable(value) && is.function_(value.next) && is.function_(value.throw);
|
78 | is.nativePromise = (value) => isObjectOfType("Promise" )(value);
|
79 | const hasPromiseAPI = (value) => !is.null_(value) &&
|
80 | isObject(value) &&
|
81 | is.function_(value.then) &&
|
82 | is.function_(value.catch);
|
83 | is.promise = (value) => is.nativePromise(value) || hasPromiseAPI(value);
|
84 | is.generatorFunction = isObjectOfType("GeneratorFunction" );
|
85 | is.asyncFunction = isObjectOfType("AsyncFunction" );
|
86 | is.boundFunction = (value) => is.function_(value) && !value.hasOwnProperty('prototype');
|
87 | is.regExp = isObjectOfType("RegExp" );
|
88 | is.date = isObjectOfType("Date" );
|
89 | is.error = isObjectOfType("Error" );
|
90 | is.map = (value) => isObjectOfType("Map" )(value);
|
91 | is.set = (value) => isObjectOfType("Set" )(value);
|
92 | is.weakMap = (value) => isObjectOfType("WeakMap" )(value);
|
93 | is.weakSet = (value) => isObjectOfType("WeakSet" )(value);
|
94 | is.int8Array = isObjectOfType("Int8Array" );
|
95 | is.uint8Array = isObjectOfType("Uint8Array" );
|
96 | is.uint8ClampedArray = isObjectOfType("Uint8ClampedArray" );
|
97 | is.int16Array = isObjectOfType("Int16Array" );
|
98 | is.uint16Array = isObjectOfType("Uint16Array" );
|
99 | is.int32Array = isObjectOfType("Int32Array" );
|
100 | is.uint32Array = isObjectOfType("Uint32Array" );
|
101 | is.float32Array = isObjectOfType("Float32Array" );
|
102 | is.float64Array = isObjectOfType("Float64Array" );
|
103 | is.arrayBuffer = isObjectOfType("ArrayBuffer" );
|
104 | is.sharedArrayBuffer = isObjectOfType("SharedArrayBuffer" );
|
105 | is.dataView = isObjectOfType("DataView" );
|
106 | is.directInstanceOf = (instance, klass) => Object.getPrototypeOf(instance) === klass.prototype;
|
107 | is.urlInstance = (value) => isObjectOfType("URL" )(value);
|
108 | is.truthy = (value) => Boolean(value);
|
109 | is.falsy = (value) => !value;
|
110 | is.nan = (value) => Number.isNaN(value);
|
111 | const primitiveTypes = new Set([
|
112 | 'undefined',
|
113 | 'string',
|
114 | 'number',
|
115 | 'boolean',
|
116 | 'symbol'
|
117 | ]);
|
118 | is.primitive = (value) => is.null_(value) || primitiveTypes.has(typeof value);
|
119 | is.integer = (value) => Number.isInteger(value);
|
120 | is.safeInteger = (value) => Number.isSafeInteger(value);
|
121 | is.plainObject = (value) => {
|
122 |
|
123 | let prototype;
|
124 | return getObjectType(value) === "Object" &&
|
125 | (prototype = Object.getPrototypeOf(value), prototype === null ||
|
126 | prototype === Object.getPrototypeOf({}));
|
127 | };
|
128 | const typedArrayTypes = new Set([
|
129 | "Int8Array" ,
|
130 | "Uint8Array" ,
|
131 | "Uint8ClampedArray" ,
|
132 | "Int16Array" ,
|
133 | "Uint16Array" ,
|
134 | "Int32Array" ,
|
135 | "Uint32Array" ,
|
136 | "Float32Array" ,
|
137 | "Float64Array"
|
138 | ]);
|
139 | is.typedArray = (value) => {
|
140 | const objectType = getObjectType(value);
|
141 | if (objectType === null) {
|
142 | return false;
|
143 | }
|
144 | return typedArrayTypes.has(objectType);
|
145 | };
|
146 | const isValidLength = (value) => is.safeInteger(value) && value > -1;
|
147 | is.arrayLike = (value) => !is.nullOrUndefined(value) && !is.function_(value) && isValidLength(value.length);
|
148 | is.inRange = (value, range) => {
|
149 | if (is.number(range)) {
|
150 | return value >= Math.min(0, range) && value <= Math.max(range, 0);
|
151 | }
|
152 | if (is.array(range) && range.length === 2) {
|
153 | return value >= Math.min(...range) && value <= Math.max(...range);
|
154 | }
|
155 | throw new TypeError(`Invalid range: ${util_1.default.inspect(range)}`);
|
156 | };
|
157 | const NODE_TYPE_ELEMENT = 1;
|
158 | const DOM_PROPERTIES_TO_CHECK = [
|
159 | 'innerHTML',
|
160 | 'ownerDocument',
|
161 | 'style',
|
162 | 'attributes',
|
163 | 'nodeValue'
|
164 | ];
|
165 | is.domElement = (value) => is.object(value) && value.nodeType === NODE_TYPE_ELEMENT && is.string(value.nodeName) &&
|
166 | !is.plainObject(value) && DOM_PROPERTIES_TO_CHECK.every(property => property in value);
|
167 | is.observable = (value) => Boolean(value && value[symbol_observable_1.default] && value === value[symbol_observable_1.default]());
|
168 | is.nodeStream = (value) => !is.nullOrUndefined(value) && isObject(value) && is.function_(value.pipe) && !is.observable(value);
|
169 | is.infinite = (value) => value === Infinity || value === -Infinity;
|
170 | const isAbsoluteMod2 = (value) => (rem) => is.integer(rem) && Math.abs(rem % 2) === value;
|
171 | is.even = isAbsoluteMod2(0);
|
172 | is.odd = isAbsoluteMod2(1);
|
173 | const isWhiteSpaceString = (value) => is.string(value) && /\S/.test(value) === false;
|
174 | const isEmptyStringOrArray = (value) => (is.string(value) || is.array(value)) && value.length === 0;
|
175 | const isEmptyObject = (value) => !is.map(value) && !is.set(value) && is.object(value) && Object.keys(value).length === 0;
|
176 | const isEmptyMapOrSet = (value) => (is.map(value) || is.set(value)) && value.size === 0;
|
177 | is.empty = (value) => is.falsy(value) || isEmptyStringOrArray(value) || isEmptyObject(value) || isEmptyMapOrSet(value);
|
178 | is.emptyOrWhitespace = (value) => is.empty(value) || isWhiteSpaceString(value);
|
179 | const predicateOnArray = (method, predicate, values) => {
|
180 | if (is.function_(predicate) === false) {
|
181 | throw new TypeError(`Invalid predicate: ${util_1.default.inspect(predicate)}`);
|
182 | }
|
183 | if (values.length === 0) {
|
184 | throw new TypeError('Invalid number of values');
|
185 | }
|
186 | return method.call(values, predicate);
|
187 | };
|
188 |
|
189 | is.any = (predicate, ...values) => predicateOnArray(Array.prototype.some, predicate, values);
|
190 | is.all = (predicate, ...values) => predicateOnArray(Array.prototype.every, predicate, values);
|
191 |
|
192 | })(is || (is = {}));
|
193 |
|
194 |
|
195 | Object.defineProperties(is, {
|
196 | class: {
|
197 | value: is.class_
|
198 | },
|
199 | function: {
|
200 | value: is.function_
|
201 | },
|
202 | null: {
|
203 | value: is.null_
|
204 | }
|
205 | });
|
206 | exports.default = is;
|
207 |
|
208 | module.exports = is;
|
209 | module.exports.default = is;
|
210 |
|
\ | No newline at end of file |