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25 lines
735 B
25 lines
735 B
'use strict'; |
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var $TypeError = require('es-errors/type'); |
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var $byteLength = require('array-buffer-byte-length'); |
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var isArrayBuffer = require('is-array-buffer'); |
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var availableTypedArrays = require('available-typed-arrays')(); |
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// https://262.ecma-international.org/6.0/#sec-isdetachedbuffer |
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module.exports = function IsDetachedBuffer(arrayBuffer) { |
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if (!isArrayBuffer(arrayBuffer)) { |
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throw new $TypeError('Assertion failed: `arrayBuffer` must be an Object with an [[ArrayBufferData]] internal slot'); |
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} |
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if ($byteLength(arrayBuffer) === 0) { |
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try { |
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new global[availableTypedArrays[0]](arrayBuffer); // eslint-disable-line no-new |
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} catch (error) { |
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return !!error && error.name === 'TypeError'; |
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} |
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} |
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return false; |
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};
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