flying-hero
96f6318101
新增: - backend/venv/ - Python 虚拟环境 - backend/start.sh - 启动脚本（使用虚拟环境） - backend/requirements.txt - 依赖列表 - .gitignore - 忽略虚拟环境和缓存文件 说明: - 每个项目使用独立虚拟环境 - 避免依赖冲突 - 启动脚本自动创建和激活虚拟环境
30 lines
957 B
JavaScript
30 lines
957 B
JavaScript
'use strict';
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var $TypeError = require('es-errors/type');
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var callBound = require('call-bound');
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var $arrayBufferResizable = callBound('%ArrayBuffer.prototype.resizable%', true);
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var $sharedArrayGrowable = callBound('%SharedArrayBuffer.prototype.growable%', true);
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var isArrayBuffer = require('is-array-buffer');
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var isSharedArrayBuffer = require('is-shared-array-buffer');
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// https://262.ecma-international.org/15.0/#sec-isfixedlengtharraybuffer
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module.exports = function IsFixedLengthArrayBuffer(arrayBuffer) {
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var isAB = isArrayBuffer(arrayBuffer);
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var isSAB = isSharedArrayBuffer(arrayBuffer);
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if (!isAB && !isSAB) {
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throw new $TypeError('Assertion failed: `arrayBuffer` must be an ArrayBuffer or SharedArrayBuffer');
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}
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if (isAB && $arrayBufferResizable) {
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return !$arrayBufferResizable(arrayBuffer); // step 1
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}
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if (isSAB && $sharedArrayGrowable) {
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return !$sharedArrayGrowable(arrayBuffer); // step 1
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}
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return true; // step 2
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};
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