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Merged
dcodeIO merged 1 commit into from
Oct 30, 2019
Merged

Improve ArrayBuffer.isView #930

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27 changes: 14 additions & 13 deletions std/assembly/arraybuffer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -32,20 +32,21 @@ export abstract class ArrayBufferView {
@sealed export class ArrayBuffer {

static isView<T>(value: T): bool {
if (value) {
if (value instanceof Int8Array) return true;
if (value instanceof Uint8Array) return true;
if (value instanceof Uint8ClampedArray) return true;
if (value instanceof Int16Array) return true;
if (value instanceof Uint16Array) return true;
if (value instanceof Int32Array) return true;
if (value instanceof Uint32Array) return true;
if (value instanceof Int64Array) return true;
if (value instanceof Uint64Array) return true;
if (value instanceof Float32Array) return true;
if (value instanceof Float64Array) return true;
if (value instanceof DataView) return true;
if (isNullable<T>()) {
if (value === null) return false;
}
if (value instanceof Int8Array) return true;
if (value instanceof Uint8Array) return true;
if (value instanceof Uint8ClampedArray) return true;
if (value instanceof Int16Array) return true;
if (value instanceof Uint16Array) return true;
if (value instanceof Int32Array) return true;
if (value instanceof Uint32Array) return true;
if (value instanceof Int64Array) return true;
if (value instanceof Uint64Array) return true;
if (value instanceof Float32Array) return true;
if (value instanceof Float64Array) return true;
if (value instanceof DataView) return true;
return false;
}

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