32 lines
1.3 KiB
JavaScript
32 lines
1.3 KiB
JavaScript
'use strict';
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var $TypeError = require('es-errors/type');
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var IsBigIntElementType = require('./IsBigIntElementType');
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var IsUnclampedIntegerElementType = require('./IsUnclampedIntegerElementType');
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var TypedArrayElementType = require('./TypedArrayElementType');
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var ValidateTypedArray = require('./ValidateTypedArray');
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// https://262.ecma-international.org/15.0/#sec-validateintegertypedarray
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module.exports = function ValidateIntegerTypedArray(typedArray, waitable) {
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if (typeof waitable !== 'boolean') {
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throw new $TypeError('Assertion failed: `waitable` must be a Boolean');
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}
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var taRecord = ValidateTypedArray(typedArray, 'UNORDERED'); // step 1
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// 2. NOTE: Bounds checking is not a synchronizing operation when typedArray's backing buffer is a growable SharedArrayBuffer.
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var type = TypedArrayElementType(typedArray); // step 4.a
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if (waitable) { // step 3
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if (type !== 'INT32' && type !== 'BIGINT64') {
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throw new $TypeError('Assertion failed: `typedArray` must be an Int32Array or BigInt64Array when `waitable` is true'); // step 5.a
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}
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} else if (!IsUnclampedIntegerElementType(type) && !IsBigIntElementType(type)) { // step 4
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throw new $TypeError('Assertion failed: `typedArray` must be an integer TypedArray'); // step 4.b
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}
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return taRecord; // step 5
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};
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