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Add support for BigInt (#87)

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This commit is contained in:
Vlad Frangu 2019-05-04 12:05:23 +03:00 • committed by Sindre Sorhus
parent 373605e40d
commit dd2a91dce5
4 changed files with 95 additions and 10 deletions
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20
source/index.ts
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@ -1,5 +1,4 @@
/// <reference lib="es2017"/>
/// <reference lib="esnext.asynciterable"/>
/// <reference lib="esnext"/>
/// <reference lib="dom"/>
// TODO: Use the `URL` global when targeting Node.js 10
@ -14,6 +13,7 @@ export const enum TypeName {
undefined = 'undefined',
string = 'string',
number = 'number',
bigint = 'bigint',
symbol = 'symbol',
Function = 'Function',
Generator = 'Generator',
@ -39,6 +39,8 @@ export const enum TypeName {
Uint32Array = 'Uint32Array',
Float32Array = 'Float32Array',
Float64Array = 'Float64Array',
BigInt64Array = 'BigInt64Array',
BigUint64Array = 'BigUint64Array',
ArrayBuffer = 'ArrayBuffer',
SharedArrayBuffer = 'SharedArrayBuffer',
DataView = 'DataView',
@ -77,6 +79,8 @@ function is(value: unknown): TypeName {
return TypeName.string;
case 'number':
return TypeName.number;
case 'bigint':
return TypeName.bigint;
case 'symbol':
return TypeName.symbol;
default:
@ -115,6 +119,7 @@ const isObject = (value: unknown): value is object => typeof value === 'object';
is.undefined = isOfType<undefined>('undefined');
is.string = isOfType<string>('string');
is.number = isOfType<number>('number');
is.bigint = isOfType<bigint>('bigint');
// eslint-disable-next-line @typescript-eslint/ban-types
is.function_ = isOfType<Function>('function');
@ -175,6 +180,8 @@ is.int32Array = isObjectOfType<Int32Array>(TypeName.Int32Array);
is.uint32Array = isObjectOfType<Uint32Array>(TypeName.Uint32Array);
is.float32Array = isObjectOfType<Float32Array>(TypeName.Float32Array);
is.float64Array = isObjectOfType<Float64Array>(TypeName.Float64Array);
is.bigint64Array = isObjectOfType<BigInt64Array>(TypeName.BigInt64Array);
is.biguint64Array = isObjectOfType<BigUint64Array>(TypeName.BigUint64Array);
is.arrayBuffer = isObjectOfType<ArrayBuffer>(TypeName.ArrayBuffer);
is.sharedArrayBuffer = isObjectOfType<SharedArrayBuffer>(TypeName.SharedArrayBuffer);
@ -208,12 +215,13 @@ const primitiveTypeOfTypes = new Set([
'undefined',
'string',
'number',
'bigint',
'boolean',
'symbol'
]);
// TODO: This should be able to be `not object` when the `not` operator is out
export type Primitive = null | undefined | string | number | boolean | symbol;
export type Primitive = null | undefined | string | number | bigint | boolean | symbol;
is.primitive = (value: unknown): value is Primitive => is.null_(value) || primitiveTypeOfTypes.has(typeof value);
@ -240,10 +248,12 @@ const typedArrayTypes = new Set([
TypeName.Int32Array,
TypeName.Uint32Array,
TypeName.Float32Array,
TypeName.Float64Array
TypeName.Float64Array,
TypeName.BigInt64Array,
TypeName.BigUint64Array
]);
export type TypedArray = Int8Array | Uint8Array | Uint8ClampedArray | Int16Array | Uint16Array | Int32Array | Uint32Array | Float32Array | Float64Array;
export type TypedArray = Int8Array | Uint8Array | Uint8ClampedArray | Int16Array | Uint16Array | Int32Array | Uint32Array | Float32Array | Float64Array | BigInt64Array | BigUint64Array;
is.typedArray = (value: unknown): value is TypedArray => {
const objectType = getObjectType(value);