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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
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diff --git a/node_modules/babel-plugin-check-es2015-constants/README.md b/node_modules/babel-plugin-check-es2015-constants/README.md new file mode 100644 index 0000000..608891b --- /dev/null +++ b/node_modules/babel-plugin-check-es2015-constants/README.md @@ -0,0 +1,59 @@ +# babel-plugin-check-es2015-constants + +Validate ES2015 constants (prevents reassignment of const variables). + +## Example + +**In** + +```js +const a = 1; +a = 2; +``` + +**Out** + +```bash +repl: "a" is read-only + 1 | const a = 1; +> 2 | a = 2; + | ^ +``` + +[Try in REPL](http://babeljs.io/repl/#?babili=false&evaluate=true&lineWrap=false&presets=es2015&experimental=false&loose=false&spec=false&code=const%20a%20%3D%201%3B%0Aa%20%3D%202%3B&playground=true) + +## Installation + +```sh +npm install --save-dev babel-plugin-check-es2015-constants +``` + +## Usage + +### Via `.babelrc` (Recommended) + +**.babelrc** + +```json +{ + "plugins": ["check-es2015-constants"] +} +``` + +### Via CLI + +```sh +babel --plugins check-es2015-constants script.js +``` + +### Via Node API + +```javascript +require("babel-core").transform("code", { + plugins: ["check-es2015-constants"] +}); +``` + +## Note + +This check will only validate consts. If you need it to compile down to `var` then you must also install and enable [`transform-es2015-block-scoping`](http://babeljs.io/docs/plugins/transform-es2015-block-scoping/). |