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Diffstat (limited to 'node_modules/babel-plugin-transform-remove-undefined/README.md')
| -rw-r--r-- | node_modules/babel-plugin-transform-remove-undefined/README.md | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/node_modules/babel-plugin-transform-remove-undefined/README.md b/node_modules/babel-plugin-transform-remove-undefined/README.md deleted file mode 100644 index 872d740a..00000000 --- a/node_modules/babel-plugin-transform-remove-undefined/README.md +++ /dev/null @@ -1,63 +0,0 @@ -# babel-plugin-transform-remove-undefined - -For variable assignments, this removes rvals that evaluate to `undefined` -(`var`s in functions only). -For functions, this removes return arguments that evaluate to `undefined`. - -## Example - -**In** - -```javascript -let a = void 0; -function foo() { - var b = undefined; - return undefined; -} -``` - -**Out** - -```javascript -let a; -function foo() { - var b; - return; -} -``` - -## Installation - -```sh -npm install babel-plugin-transform-remove-undefined --save-dev -``` - -## Usage - -### Via `.babelrc` (Recommended) - -**.babelrc** - -```json -{ - "plugins": ["babel-plugin-transform-remove-undefined"] -} -``` - -### Via CLI - -```sh -babel --plugins babel-plugin-transform-remove-undefined script.js -``` - -### Via Node API - -```javascript -require("@babel/core").transform("code", { - plugins: ["babel-plugin-transform-remove-undefined"] -}); -``` - -## Options - -+ `tdz` - Detect usages before declaration/initialization in let/const(throws) and var(void 0) |
