24 lines
718 B
Plaintext
24 lines
718 B
Plaintext
'use strict';
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var $SyntaxError = require('es-errors/syntax');
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var $TypeError = require('es-errors/type');
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var isInteger = require('math-intrinsics/isInteger');
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var whichTypedArray = require('which-typed-array');
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// https://262.ecma-international.org/13.0/#sec-typedarrayelementsize
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var tableTAO = require('./tables/typed-array-objects');
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module.exports = function TypedArrayElementSize(O) {
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var type = whichTypedArray(O);
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if (!type) {
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throw new $TypeError('Assertion failed: `O` must be a TypedArray');
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}
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var size = tableTAO.size['$' + tableTAO.name['$' + type]];
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if (!isInteger(size) || size < 0) {
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throw new $SyntaxError('Assertion failed: Unknown TypedArray type `' + type + '`');
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}
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return size;
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};
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