"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); const util = require("util"); const toString = Object.prototype.toString; const getObjectType = (value) => toString.call(value).slice(8, -1); const isOfType = (type) => (value) => typeof value === type; const isObjectOfType = (type) => (value) => getObjectType(value) === type; function is(value) { if (value === null) { return 'null'; } if (value === true || value === false) { return 'boolean'; } const type = typeof value; if (type === 'undefined') { return 'undefined'; } if (type === 'string') { return 'string'; } if (type === 'number') { return 'number'; } if (type === 'symbol') { return 'symbol'; } if (is.function_(value)) { return 'Function'; } if (Array.isArray(value)) { return 'Array'; } if (Buffer.isBuffer(value)) { return 'Buffer'; } const tagType = getObjectType(value); if (tagType) { return tagType; } if (value instanceof String || value instanceof Boolean || value instanceof Number) { throw new TypeError('Please don\'t use object wrappers for primitive types'); } return 'Object'; } (function (is) { const isObject = (value) => typeof value === 'object'; is.undefined = isOfType('undefined'); is.string = isOfType('string'); is.number = isOfType('number'); is.function_ = isOfType('function'); is.null_ = (value) => value === null; is.class_ = (value) => is.function_(value) && value.toString().startsWith('class '); is.boolean = (value) => value === true || value === false; is.symbol = isOfType('symbol'); is.array = Array.isArray; is.buffer = Buffer.isBuffer; is.nullOrUndefined = (value) => is.null_(value) || is.undefined(value); is.object = (value) => !is.nullOrUndefined(value) && (is.function_(value) || isObject(value)); is.iterable = (value) => !is.nullOrUndefined(value) && is.function_(value[Symbol.iterator]); is.generator = (value) => is.iterable(value) && is.function_(value.next) && is.function_(value.throw); is.nativePromise = isObjectOfType('Promise'); const hasPromiseAPI = (value) => !is.null_(value) && isObject(value) && is.function_(value.then) && is.function_(value.catch); is.promise = (value) => is.nativePromise(value) || hasPromiseAPI(value); const isFunctionOfType = (type) => (value) => is.function_(value) && is.function_(value.constructor) && value.constructor.name === type; is.generatorFunction = isFunctionOfType('GeneratorFunction'); is.asyncFunction = isFunctionOfType('AsyncFunction'); is.regExp = isObjectOfType('RegExp'); is.date = isObjectOfType('Date'); is.error = isObjectOfType('Error'); is.map = isObjectOfType('Map'); is.set = isObjectOfType('Set'); is.weakMap = isObjectOfType('WeakMap'); is.weakSet = isObjectOfType('WeakSet'); is.int8Array = isObjectOfType('Int8Array'); is.uint8Array = isObjectOfType('Uint8Array'); is.uint8ClampedArray = isObjectOfType('Uint8ClampedArray'); is.int16Array = isObjectOfType('Int16Array'); is.uint16Array = isObjectOfType('Uint16Array'); is.int32Array = isObjectOfType('Int32Array'); is.uint32Array = isObjectOfType('Uint32Array'); is.float32Array = isObjectOfType('Float32Array'); is.float64Array = isObjectOfType('Float64Array'); is.arrayBuffer = isObjectOfType('ArrayBuffer'); is.sharedArrayBuffer = isObjectOfType('SharedArrayBuffer'); is.truthy = (value) => Boolean(value); is.falsy = (value) => !value; is.nan = (value) => Number.isNaN(value); const primitiveTypes = new Set([ 'undefined', 'string', 'number', 'boolean', 'symbol' ]); is.primitive = (value) => is.null_(value) || primitiveTypes.has(typeof value); is.integer = (value) => Number.isInteger(value); is.safeInteger = (value) => Number.isSafeInteger(value); is.plainObject = (value) => { let prototype; return getObjectType(value) === 'Object' && (prototype = Object.getPrototypeOf(value), prototype === null || prototype === Object.getPrototypeOf({})); }; const typedArrayTypes = new Set([ 'Int8Array', 'Uint8Array', 'Uint8ClampedArray', 'Int16Array', 'Uint16Array', 'Int32Array', 'Uint32Array', 'Float32Array', 'Float64Array' ]); is.typedArray = (value) => typedArrayTypes.has(getObjectType(value)); const isValidLength = (value) => is.safeInteger(value) && value > -1; is.arrayLike = (value) => !is.nullOrUndefined(value) && !is.function_(value) && isValidLength(value.length); is.inRange = (value, range) => { if (is.number(range)) { return value >= Math.min(0, range) && value <= Math.max(range, 0); } if (is.array(range) && range.length === 2) { return value >= Math.min.apply(null, range) && value <= Math.max.apply(null, range); } throw new TypeError(`Invalid range: ${util.inspect(range)}`); }; const NODE_TYPE_ELEMENT = 1; const DOM_PROPERTIES_TO_CHECK = [ 'innerHTML', 'ownerDocument', 'style', 'attributes', 'nodeValue' ]; is.domElement = (value) => is.object(value) && value.nodeType === NODE_TYPE_ELEMENT && is.string(value.nodeName) && !is.plainObject(value) && DOM_PROPERTIES_TO_CHECK.every(property => property in value); is.infinite = (value) => value === Infinity || value === -Infinity; const isAbsoluteMod2 = (value) => (rem) => is.integer(rem) && Math.abs(rem % 2) === value; is.even = isAbsoluteMod2(0); is.odd = isAbsoluteMod2(1); const isWhiteSpaceString = (value) => is.string(value) && /\S/.test(value) === false; const isEmptyStringOrArray = (value) => (is.string(value) || is.array(value)) && value.length === 0; const isEmptyObject = (value) => !is.map(value) && !is.set(value) && is.object(value) && Object.keys(value).length === 0; const isEmptyMapOrSet = (value) => (is.map(value) || is.set(value)) && value.size === 0; is.empty = (value) => is.falsy(value) || isEmptyStringOrArray(value) || isEmptyObject(value) || isEmptyMapOrSet(value); is.emptyOrWhitespace = (value) => is.empty(value) || isWhiteSpaceString(value); const predicateOnArray = (method, predicate, args) => { const values = Array.prototype.slice.call(args, 1); if (is.function_(predicate) === false) { throw new TypeError(`Invalid predicate: ${util.inspect(predicate)}`); } if (values.length === 0) { throw new TypeError('Invalid number of values'); } return method.call(values, predicate); }; function any(predicate) { return predicateOnArray(Array.prototype.some, predicate, arguments); } is.any = any; function all(predicate) { return predicateOnArray(Array.prototype.every, predicate, arguments); } is.all = all; })(is || (is = {})); Object.defineProperties(is, { class: { value: is.class_ }, function: { value: is.function_ }, null: { value: is.null_ } }); exports.default = is; //# sourceMappingURL=index.js.map