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isv-babel-plugin-safe-member-expression
Advanced tools
safe member expression
only auto enabled in BlockStatement
feature:
默认值:/\/src.*\.jsx?/i
描述:只有被 match 中的文件路径才会进入插件转换
默认值:/\/node_modules.*\.jsx?/i
描述:被 exclude 匹配的路径不会进入插件转换
In
const foo = hello['world'];
let hello = this.state['foo'].bar;
Out
var _object, _object2, _object3;
const foo = hello == null ? null : hello['world'];
let hello = (_object = (_object2 = (_object3 = this) == null ? null : _object3.state) == null ? null : _object2['foo']) == null ? null : _object.bar;
In
const data = this.foo.bar.ok();
Out
var _object, _object2, _object3;
const data = (_object = (_object2 = (_object3 = this) == null ? null : _object3.foo) == null ? null : _object2.bar) == null ? null : _object.ok ? _object.ok() : null;
In
foo['bar'] = x.y;
x.y.z = 'xxx';
Out
var _object;
(foo || (foo = {}))['bar'] = x == null ? null : x.y;
((_object = x || (x = {})).y || (_object.y = {})).z = 'xxx';
$ npm install babel-plugin-safe-member-expression
.babelrc
(Recommended).babelrc
{
"plugins": ["safe-member-expression"]
}
$ babel --plugins safe-member-expression script.js
require("babel-core").transform("code", {
plugins: ["safe-member-expression"]
});
FAQs
safe member expression
The npm package isv-babel-plugin-safe-member-expression receives a total of 0 weekly downloads. As such, isv-babel-plugin-safe-member-expression popularity was classified as not popular.
We found that isv-babel-plugin-safe-member-expression demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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