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
39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
'use strict';
|
|
|
|
var isObject = require('es-object-atoms/isObject');
|
|
|
|
var ToNumber = require('./ToNumber');
|
|
var ToPrimitive = require('./ToPrimitive');
|
|
|
|
var isSameType = require('../helpers/isSameType');
|
|
|
|
// https://262.ecma-international.org/5.1/#sec-11.9.3
|
|
|
|
module.exports = function AbstractEqualityComparison(x, y) {
|
|
if (isSameType(x, y)) {
|
|
return x === y; // ES6+ specified this shortcut anyways.
|
|
}
|
|
if (x == null && y == null) {
|
|
return true;
|
|
}
|
|
if (typeof x === 'number' && typeof y === 'string') {
|
|
return AbstractEqualityComparison(x, ToNumber(y));
|
|
}
|
|
if (typeof x === 'string' && typeof y === 'number') {
|
|
return AbstractEqualityComparison(ToNumber(x), y);
|
|
}
|
|
if (typeof x === 'boolean') {
|
|
return AbstractEqualityComparison(ToNumber(x), y);
|
|
}
|
|
if (typeof y === 'boolean') {
|
|
return AbstractEqualityComparison(x, ToNumber(y));
|
|
}
|
|
if ((typeof x === 'string' || typeof x === 'number') && isObject(y)) {
|
|
return AbstractEqualityComparison(x, ToPrimitive(y));
|
|
}
|
|
if (isObject(x) && (typeof y === 'string' || typeof y === 'number')) {
|
|
return AbstractEqualityComparison(ToPrimitive(x), y);
|
|
}
|
|
return false;
|
|
};
|