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canjs's Issues

varDeclare逻辑是不是有问题?

varDeclare中,在递归查找父作用域之后,不是应该定义到最终查找到的父作用域上吗,怎么还是赋给了this.declaration?

varDeclare (name, value) {
let scope = this
// 若当前作用域存在非函数类型的父级作用域时,就把变量定义到父级作用域
while (scope.parentScope && scope.type !== 'function') {
scope = scope.parentScope
}
this.declaration[name] = new SimpleValue(value, 'var')
return this.declaration[name]
}

还是有一些bug

比如逻辑操作符的短路求值策略;模块内的代码需要顺序执行,可能提前返回;UpdateExpression的变量类型不一定是Identifier;表达式优先要计算右值等等。运行大部分代码应该都可以了

es5 63行

es5.js 第63行是否有问题呢?
个人感觉 key.type === 'Identifier'的情况 可能是:
let a = 'key1'
let b = {
[a]: '123'
}

这里b中 [a]的key.type就是Identifier 所以key取值应该 也得从scope中获取

bug es5.js #53

MemberExpression (nodeIterator) { const obj = nodeIterator.traverse(nodeIterator.node.object) const name = nodeIterator.node.property.name return obj[name] }

53行应为:const name = getPropertyName(nodeIterator.node, nodeIterator)
否则,某些情况下会出错误

const没有达到预期效果

const a = 1;a = 2;run()的时候不会报错,原因:
AssignmentExpressionOperatortraverseMap内部
"=": (value, v) => value instanceof MemberValue ? (value.obj[value.prop] = v) : (value.value = v),
应该写成:(value.set(v)),

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