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Simplify isObjectOfType signature

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This commit is contained in:
Mario Nebl 2017-11-11 22:06:16 +01:00
parent 3a2e3c0056
commit 3d61e87807
1 changed files with 22 additions and 24 deletions
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46
source/index.ts
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@ -1,6 +1,6 @@
import * as util from 'util'; import * as util from 'util';
export enum TypeName { export const enum TypeName {
null = 'null', null = 'null',
boolean = 'boolean', boolean = 'boolean',
undefined = 'undefined', undefined = 'undefined',
@ -45,10 +45,8 @@ const getObjectType = (value: any): TypeName | null => {
return null; return null;
}; };
const isObjectOfType = (typeName: string | TypeName) => (value: any) => { const isObjectOfType = (typeName: TypeName) => (value: any) => {
const type = typeName === 'string' ? TypeName[typeName] : typeName; return getObjectType(value) === typeName;
return getObjectType(value) === type;
}; };
function is(value: any): TypeName { // tslint:disable-line:only-arrow-functions function is(value: any): TypeName { // tslint:disable-line:only-arrow-functions
@ -126,7 +124,7 @@ namespace is { // tslint:disable-line:no-namespace
export const iterable = (value: any) => !nullOrUndefined(value) && function_(value[Symbol.iterator]); export const iterable = (value: any) => !nullOrUndefined(value) && function_(value[Symbol.iterator]);
export const generator = (value: any) => iterable(value) && function_(value.next) && function_(value.throw); export const generator = (value: any) => iterable(value) && function_(value.next) && function_(value.throw);
export const nativePromise = isObjectOfType('Promise'); export const nativePromise = isObjectOfType(TypeName.Promise);
const hasPromiseAPI = (value: any) => const hasPromiseAPI = (value: any) =>
!null_(value) && !null_(value) &&
@ -142,26 +140,26 @@ namespace is { // tslint:disable-line:no-namespace
export const generatorFunction = isFunctionOfType('GeneratorFunction'); export const generatorFunction = isFunctionOfType('GeneratorFunction');
export const asyncFunction = isFunctionOfType('AsyncFunction'); export const asyncFunction = isFunctionOfType('AsyncFunction');
export const regExp = isObjectOfType('RegExp'); export const regExp = isObjectOfType(TypeName.RegExp);
export const date = isObjectOfType('Date'); export const date = isObjectOfType(TypeName.Date);
export const error = isObjectOfType('Error'); export const error = isObjectOfType(TypeName.Error);
export const map = isObjectOfType('Map'); export const map = isObjectOfType(TypeName.Map);
export const set = isObjectOfType('Set'); export const set = isObjectOfType(TypeName.Set);
export const weakMap = isObjectOfType('WeakMap'); export const weakMap = isObjectOfType(TypeName.WeakMap);
export const weakSet = isObjectOfType('WeakSet'); export const weakSet = isObjectOfType(TypeName.WeakSet);
export const int8Array = isObjectOfType('Int8Array'); export const int8Array = isObjectOfType(TypeName.Int8Array);
export const uint8Array = isObjectOfType('Uint8Array'); export const uint8Array = isObjectOfType(TypeName.Uint8Array);
export const uint8ClampedArray = isObjectOfType('Uint8ClampedArray'); export const uint8ClampedArray = isObjectOfType(TypeName.Uint8ClampedArray);
export const int16Array = isObjectOfType('Int16Array'); export const int16Array = isObjectOfType(TypeName.Int16Array);
export const uint16Array = isObjectOfType('Uint16Array'); export const uint16Array = isObjectOfType(TypeName.Uint16Array);
export const int32Array = isObjectOfType('Int32Array'); export const int32Array = isObjectOfType(TypeName.Int32Array);
export const uint32Array = isObjectOfType('Uint32Array'); export const uint32Array = isObjectOfType(TypeName.Uint32Array);
export const float32Array = isObjectOfType('Float32Array'); export const float32Array = isObjectOfType(TypeName.Float32Array);
export const float64Array = isObjectOfType('Float64Array'); export const float64Array = isObjectOfType(TypeName.Float64Array);
export const arrayBuffer = isObjectOfType('ArrayBuffer'); export const arrayBuffer = isObjectOfType(TypeName.ArrayBuffer);
export const sharedArrayBuffer = isObjectOfType('SharedArrayBuffer'); export const sharedArrayBuffer = isObjectOfType(TypeName.SharedArrayBuffer);
export const truthy = (value: any) => Boolean(value); export const truthy = (value: any) => Boolean(value);
export const falsy = (value: any) => !value; export const falsy = (value: any) => !value;