编写不完整的 instanceof 会抛出Cannot read property 'id' of undefined
。
以下输入代码应重现该问题:
var something = [];
if(something instanceof) {
// Notice the instanceof is missing the class name
}
我目前正在使用 JSHint 2.9.3
我通过带有 jshint v2.9.3 的原子包linter-jshint遇到了这个问题。
Error: C:\Users\emile.bergeron.CAMINO\.atom\packages\linter-jshint\node_modules\jshint\src\jshint.js:5386
throw err;
^
TypeError: Cannot read property 'id' of undefined
at C:\Users\emile.bergeron.CAMINO\.atom\packages\linter-jshint\node_modules\jshint\src\jshint.js:2131:14
at Object.x.led (C:\Users\emile.bergeron.CAMINO\.atom\packages\linter-jshint\node_modules\jshint\src\jshint.js:1155:16)
at expression (C:\Users\emile.bergeron.CAMINO\.atom\packages\linter-jshint\node_modules\jshint\src\jshint.js:926:36)
at C:\Users\emile.bergeron.CAMINO\.atom\packages\linter-jshint\node_modules\jshint\src\jshint.js:2051:18
at Object.x.led (C:\Users\emile.bergeron.CAMINO\.atom\packages\linter-jshint\node_modules\jshint\src\jshint.js:1155:16)
at expression (C:\Users\emile.bergeron.CAMINO\.atom\packages\linter-jshint\node_modules\jshint\src\jshint.js:926:36)
at Object.fud (C:\Users\emile.bergeron.CAMINO\.atom\packages\linter-jshint\node_modules\jshint\src\jshint.js:4423:22)
at expression (C:\Users\emile.bergeron.CAMINO\.atom\packages\linter-jshint\node_modules\jshint\src\jshint.js:885:32)
at statement (C:\Users\emile.bergeron.CAMINO\.atom\packages\linter-jshint\node_modules\jshint\src\jshint.js:1636:9)
at statements (C:\Users\emile.bergeron.CAMINO\.atom\packages\linter-jshint\node_modules\jshint\src\jshint.js:1681:16)
at ChildProcess.<anonymous> (C:\Users\emile.bergeron.CAMINO\.atom\packages\linter-jshint\node_modules\atom-linter\node_modules\sb-exec\lib\index.js:56:20)
at emitTwo (events.js:100:13)
at ChildProcess.emit (events.js:185:7)
at maybeClose (internal/child_process.js:850:16)
at Process.ChildProcess._handle.onexit (internal/child_process.js:215:5)
打开这样的评论时出现同样的错误:
module.exports = {
attributes: {},
/*sth: {},
sth2: function(){}
};
这是由在当前正在编辑的代码上自动运行的工具引起的吗?
在原子中,我使用 linter-jshint。 但是,当我使用该内容保存文件并从 CLI 运行 jshint 时,也会出现同样的错误。
jshint test.js
存档
module.exports = {
attributes: {},
/*sth: {}
};
产生错误:
/usr/local/lib/node_modules/jshint/src/jshint.js:5386
throw err;
^
TypeError: Cannot read property 'id' of null
at Object.x.nud (/usr/local/lib/node_modules/jshint/src/jshint.js:3240:26)
at expression (/usr/local/lib/node_modules/jshint/src/jshint.js:888:34)
at /usr/local/lib/node_modules/jshint/src/jshint.js:1389:20
at Object.x.led (/usr/local/lib/node_modules/jshint/src/jshint.js:1155:16)
at expression (/usr/local/lib/node_modules/jshint/src/jshint.js:926:36)
at statement (/usr/local/lib/node_modules/jshint/src/jshint.js:1636:9)
at statements (/usr/local/lib/node_modules/jshint/src/jshint.js:1681:16)
at itself (/usr/local/lib/node_modules/jshint/src/jshint.js:5365:9)
at lint (/usr/local/lib/node_modules/jshint/src/cli.js:495:8)
at /usr/local/lib/node_modules/jshint/src/cli.js:656:7
我认为应该有像“未关闭的评论”这样的解析错误。
似乎与#2932 有关。
而对于 atom linter-jshint ,它们仍然在 jshint v2.9.2 上。 打开问题 AtomLinter/linter-jshint#353 以更新 jshint。
它实际上使用了一个范围,但是对于大多数用户来说,更新需要重新安装软件包,我只是要固定它。
我可以确认它在JSHint 演示中引发了相同的错误。
确认的; 感谢您的报告! 我已经提交了一个补丁来修复这个错误: https://github.com/jshint/jshint/pull/3046。
最有用的评论
确认的; 感谢您的报告! 我已经提交了一个补丁来修复这个错误: https://github.com/jshint/jshint/pull/3046。