forked from orbit-oss/is
Add support for BigInt (#87)
This commit is contained in:
Vlad Frangu
Sindre Sorhus
parent
373605e40d
commit
dd2a91dce5
4 changed files with 95 additions and 10 deletions
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@ -80,6 +80,11 @@
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"extensions": [
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"ts"
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],
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"globals": [
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"BigInt",
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"BigInt64Array",
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"BigUint64Array"
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],
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"rules": {
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"@typescript-eslint/explicit-function-return-type": "off"
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}
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@ -1,5 +1,4 @@
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/// <reference lib="es2017"/>
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/// <reference lib="esnext.asynciterable"/>
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/// <reference lib="esnext"/>
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/// <reference lib="dom"/>
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// TODO: Use the `URL` global when targeting Node.js 10
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@ -14,6 +13,7 @@ export const enum TypeName {
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undefined = 'undefined',
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string = 'string',
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number = 'number',
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bigint = 'bigint',
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symbol = 'symbol',
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Function = 'Function',
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Generator = 'Generator',
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@ -39,6 +39,8 @@ export const enum TypeName {
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Uint32Array = 'Uint32Array',
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Float32Array = 'Float32Array',
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Float64Array = 'Float64Array',
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BigInt64Array = 'BigInt64Array',
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BigUint64Array = 'BigUint64Array',
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ArrayBuffer = 'ArrayBuffer',
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SharedArrayBuffer = 'SharedArrayBuffer',
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DataView = 'DataView',
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@ -77,6 +79,8 @@ function is(value: unknown): TypeName {
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return TypeName.string;
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case 'number':
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return TypeName.number;
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case 'bigint':
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return TypeName.bigint;
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case 'symbol':
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return TypeName.symbol;
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default:
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@ -115,6 +119,7 @@ const isObject = (value: unknown): value is object => typeof value === 'object';
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is.undefined = isOfType<undefined>('undefined');
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is.string = isOfType<string>('string');
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is.number = isOfType<number>('number');
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is.bigint = isOfType<bigint>('bigint');
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// eslint-disable-next-line @typescript-eslint/ban-types
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is.function_ = isOfType<Function>('function');
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@ -175,6 +180,8 @@ is.int32Array = isObjectOfType<Int32Array>(TypeName.Int32Array);
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is.uint32Array = isObjectOfType<Uint32Array>(TypeName.Uint32Array);
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is.float32Array = isObjectOfType<Float32Array>(TypeName.Float32Array);
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is.float64Array = isObjectOfType<Float64Array>(TypeName.Float64Array);
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is.bigint64Array = isObjectOfType<BigInt64Array>(TypeName.BigInt64Array);
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is.biguint64Array = isObjectOfType<BigUint64Array>(TypeName.BigUint64Array);
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is.arrayBuffer = isObjectOfType<ArrayBuffer>(TypeName.ArrayBuffer);
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is.sharedArrayBuffer = isObjectOfType<SharedArrayBuffer>(TypeName.SharedArrayBuffer);
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@ -208,12 +215,13 @@ const primitiveTypeOfTypes = new Set([
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'undefined',
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'string',
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'number',
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'bigint',
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'boolean',
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'symbol'
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]);
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// TODO: This should be able to be `not object` when the `not` operator is out
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export type Primitive = null | undefined | string | number | boolean | symbol;
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export type Primitive = null | undefined | string | number | bigint | boolean | symbol;
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is.primitive = (value: unknown): value is Primitive => is.null_(value) || primitiveTypeOfTypes.has(typeof value);
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@ -240,10 +248,12 @@ const typedArrayTypes = new Set([
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TypeName.Int32Array,
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TypeName.Uint32Array,
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TypeName.Float32Array,
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TypeName.Float64Array
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TypeName.Float64Array,
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TypeName.BigInt64Array,
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TypeName.BigUint64Array
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]);
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export type TypedArray = Int8Array | Uint8Array | Uint8ClampedArray | Int16Array | Uint16Array | Int32Array | Uint32Array | Float32Array | Float64Array;
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export type TypedArray = Int8Array | Uint8Array | Uint8ClampedArray | Int16Array | Uint16Array | Int32Array | Uint32Array | Float32Array | Float64Array | BigInt64Array | BigUint64Array;
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is.typedArray = (value: unknown): value is TypedArray => {
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const objectType = getObjectType(value);
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77
test/test.ts
77
test/test.ts
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@ -2,7 +2,6 @@ import fs from 'fs';
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import net from 'net';
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import Stream from 'stream';
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import util from 'util';
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import {URL} from 'url';
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import tempy from 'tempy';
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import test, {ExecutionContext} from 'ava';
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import {JSDOM} from 'jsdom';
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@ -10,6 +9,9 @@ import {Subject, Observable} from 'rxjs';
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import ZenObservable from 'zen-observable';
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import is, {TypeName} from '../source';
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// eslint-disable-next-line @typescript-eslint/no-require-imports
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const URLGlobal = typeof URL === 'undefined' ? require('url').URL : URL;
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const isNode10orHigher = Number(process.versions.node.split('.')[0]) >= 10;
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class PromiseSubclassFixture<T> extends Promise<T> {}
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@ -69,6 +71,18 @@ const types = new Map<string, Test>([
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],
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typename: TypeName.number
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}],
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// TODO: Nodejs 10 only
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// ['bigint', {
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// is: is.bigint,
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// fixtures: [
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// 1n,
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// 0n,
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// -0n,
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// // eslint-disable-next-line new-cap
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// BigInt('1234')
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// ],
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// typename: TypeName.bigint
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// }],
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['boolean', {
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is: is.boolean,
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fixtures: [
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@ -311,6 +325,21 @@ const types = new Map<string, Test>([
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],
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typename: TypeName.Float64Array
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}],
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// TODO: Nodejs 10 only
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// ['bigint64Array', {
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// is: is.bigint64Array,
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// fixtures: [
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// new BigInt64Array()
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// ],
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// typename: TypeName.BigInt64Array
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// }],
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// ['biguint64Array', {
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// is: is.biguint64Array,
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// fixtures: [
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// new BigUint64Array()
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// ],
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// typename: TypeName.BigUint64Array
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// }],
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['arrayBuffer', {
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is: is.arrayBuffer,
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fixtures: [
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@ -468,6 +497,11 @@ test('is.number', t => {
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testType(t, 'number', ['nan', 'integer', 'safeInteger', 'infinite']);
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});
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// TODO: Nodejs 10 only
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// test('is.bigint', t => {
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// testType(t, 'bigint');
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// });
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test('is.boolean', t => {
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testType(t, 'boolean');
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});
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@ -596,6 +630,15 @@ test('is.float64Array', t => {
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testType(t, 'float64Array');
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});
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// TODO: Nodejs 10 only
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// test('is.bigint64Array', t => {
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// testType(t, 'bigint64Array');
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// });
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// test('is.biguint64Array', t => {
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// testType(t, 'biguint64Array');
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// });
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test('is.arrayBuffer', t => {
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testType(t, 'arrayBuffer');
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});
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@ -616,7 +659,7 @@ test('is.directInstanceOf', t => {
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});
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test('is.urlInstance', t => {
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const url = new URL('https://example.com');
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const url = new URLGlobal('https://example.com');
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t.true(is.urlInstance(url));
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t.false(is.urlInstance({}));
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t.false(is.urlInstance(undefined));
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@ -626,7 +669,7 @@ test('is.urlInstance', t => {
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test('is.urlString', t => {
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const url = 'https://example.com';
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t.true(is.urlString(url));
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t.false(is.urlString(new URL(url)));
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t.false(is.urlString(new URLGlobal(url)));
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t.false(is.urlString({}));
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t.false(is.urlString(undefined));
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t.false(is.urlString(null));
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@ -638,6 +681,14 @@ test('is.truthy', t => {
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t.true(is.truthy(new Set()));
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t.true(is.truthy(Symbol('🦄')));
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t.true(is.truthy(true));
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t.true(is.truthy(1));
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// TODO: Nodejs 10 only
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// if (isNode10orHigher) {
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// t.true(is.truthy(1n));
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// // eslint-disable-next-line new-cap
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// t.true(is.truthy(BigInt(1)));
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// }
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});
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test('is.falsy', t => {
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@ -647,6 +698,13 @@ test('is.falsy', t => {
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t.true(is.falsy(null));
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t.true(is.falsy(undefined));
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t.true(is.falsy(NaN));
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// TODO: Nodejs 10 only
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// if (isNode10orHigher) {
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// t.true(is.falsy(0n));
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// // eslint-disable-next-line new-cap
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// t.true(is.falsy(BigInt(0)));
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// }
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});
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test('is.nan', t => {
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@ -670,6 +728,11 @@ test('is.primitive', t => {
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Symbol('🦄')
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];
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// TODO: Nodejs 10 only
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// if (isNode10orHigher) {
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// primitives.push(6n);
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// }
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for (const el of primitives) {
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t.true(is.primitive(el));
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}
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@ -742,6 +805,14 @@ test('is.typedArray', t => {
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new Float64Array()
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];
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// TODO: Nodejs 10 only
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// if (isNode10orHigher) {
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// typedArrays.push(
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// new BigInt64Array(),
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// new BigUint64Array()
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// );
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// }
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for (const item of typedArrays) {
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t.true(is.typedArray(item));
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}
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@ -4,8 +4,7 @@
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"outDir": "dist",
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"target": "es2017",
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"lib": [
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"es2017",
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"esnext.asynciterable",
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"esnext",
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"dom"
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]
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},
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