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Add is.enumCase and assert.enumCase (#150)

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Co-authored-by: Sindre Sorhus <sindresorhus@gmail.com>
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Olivier Beaulieu 2022-01-17 00:55:40 -05:00 • committed by GitHub
parent f5cc764e22
commit a5b4017d5e
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source/index.ts
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@ -230,6 +230,7 @@ is.bigUint64Array = isObjectOfType<BigUint64Array>('BigUint64Array');
is.arrayBuffer = isObjectOfType<ArrayBuffer>('ArrayBuffer');
is.sharedArrayBuffer = isObjectOfType<SharedArrayBuffer>('SharedArrayBuffer');
is.dataView = isObjectOfType<DataView>('DataView');
is.enumCase = <T = unknown>(value: unknown, targetEnum: T) => Object.values(targetEnum).includes(value as string);
is.directInstanceOf = <T>(instance: unknown, class_: Class<T>): instance is T => Object.getPrototypeOf(instance) === class_.prototype;
is.urlInstance = (value: unknown): value is URL => isObjectOfType<URL>('URL')(value);
@ -501,6 +502,7 @@ interface Assert {
arrayBuffer: (value: unknown) => asserts value is ArrayBuffer;
sharedArrayBuffer: (value: unknown) => asserts value is SharedArrayBuffer;
dataView: (value: unknown) => asserts value is DataView;
enumCase: <T = unknown>(value: unknown, targetEnum: T) => asserts value is T[keyof T];
urlInstance: (value: unknown) => asserts value is URL;
urlString: (value: unknown) => asserts value is string;
truthy: (value: unknown) => asserts value is unknown;
@ -601,6 +603,7 @@ export const assert: Assert = {
arrayBuffer: (value: unknown): asserts value is ArrayBuffer => assertType(is.arrayBuffer(value), 'ArrayBuffer', value),
sharedArrayBuffer: (value: unknown): asserts value is SharedArrayBuffer => assertType(is.sharedArrayBuffer(value), 'SharedArrayBuffer', value),
dataView: (value: unknown): asserts value is DataView => assertType(is.dataView(value), 'DataView', value),
enumCase: <T = unknown>(value: unknown, targetEnum: T): asserts value is T[keyof T] => assertType(is.enumCase(value, targetEnum), 'EnumCase', value),
urlInstance: (value: unknown): asserts value is URL => assertType(is.urlInstance(value), 'URL', value),
urlString: (value: unknown): asserts value is string => assertType(is.urlString(value), AssertionTypeDescription.urlString, value),
truthy: (value: unknown): asserts value is unknown => assertType(is.truthy(value), AssertionTypeDescription.truthy, value),