文件操作 - ValidateTypedArray.js
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文件: /var/www/OLD/node_modules/es-abstract/2021/ValidateTypedArray.js
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'use strict'; var $TypeError = require('es-errors/type'); var IsDetachedBuffer = require('./IsDetachedBuffer'); var isObject = require('../helpers/isObject'); var isTypedArray = require('is-typed-array'); var typedArrayBuffer = require('typed-array-buffer'); // https://262.ecma-international.org/6.0/#sec-validatetypedarray module.exports = function ValidateTypedArray(O) { if (!isObject(O)) { throw new $TypeError('Assertion failed: `O` must be an Object'); // step 1 } if (!isTypedArray(O)) { throw new $TypeError('Assertion failed: `O` must be a Typed Array'); // steps 2 - 3 } var buffer = typedArrayBuffer(O); // step 4 if (IsDetachedBuffer(buffer)) { throw new $TypeError('`O` must be backed by a non-detached buffer'); // step 5 } return buffer; // step 6 };
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