Remove modules from source

This commit is contained in:
Federico Grandi
2019-12-14 21:58:11 +01:00
parent f118062594
commit e5272e4c09
4269 changed files with 0 additions and 1074858 deletions

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Copyright (c) 2015-2016 Amjad Masad <amjad.masad@gmail.com>
MIT License
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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# babel-plugin-minify-guarded-expressions
## Example
**In**
```javascript
!x && foo();
alert(0 && new Foo());
```
**Out**
```javascript
x || foo();
alert(0);
```
## Installation
```sh
npm install babel-plugin-minify-guarded-expressions --save-dev
```
## Usage
### Via `.babelrc` (Recommended)
**.babelrc**
```json
{
"plugins": ["minify-guarded-expressions"]
}
```
### Via CLI
```sh
babel --plugins minify-guarded-expressions script.js
```
### Via Node API
```javascript
require("@babel/core").transform("code", {
plugins: ["minify-guarded-expressions"]
});
```

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"use strict";
const evaluate = require("babel-helper-evaluate-path");
function evaluateTruthy(path) {
const res = evaluate(path);
if (res.confident) return !!res.value;
}
module.exports = function ({
types: t
}) {
const flipExpressions = require("babel-helper-flip-expressions")(t);
return {
name: "minify-guarded-expressions",
visitor: {
// Convert guarded expressions
// !a && b() --> a || b();
// This could change the return result of the expression so we only do it
// on things where the result is ignored.
LogicalExpression: {
enter: [function (path) {
const node = path.node;
const left = path.get("left");
const right = path.get("right"); // issues - 171, 174, 176
// we assume that it is returned/assigned/part of a bigger expression
// or utilized somehow
// we check if we shouldBail only when evaluating
// the rightside of the expression;
// if the left side is evaluated to be deterministic,
// we can safely replace the entire expression
const shouldBail = !path.parentPath.isExpressionStatement();
if (node.operator === "&&") {
const leftTruthy = evaluateTruthy(left);
if (leftTruthy === false) {
// Short-circuit
path.replaceWith(node.left);
} else if (leftTruthy === true && left.isPure()) {
path.replaceWith(node.right);
} else if (evaluateTruthy(right) === false && right.isPure() && !shouldBail) {
path.replaceWith(node.left);
}
} else if (node.operator === "||") {
const leftTruthy = evaluateTruthy(left);
if (leftTruthy === false && left.isPure()) {
path.replaceWith(node.right);
} else if (leftTruthy === true) {
// Short-circuit
path.replaceWith(node.left);
} else if (evaluateTruthy(right) === false && right.isPure() && !shouldBail) {
path.replaceWith(node.left);
}
}
}, function (path) {
const node = path.node;
if (flipExpressions.hasSeen(node)) {
return;
}
if (!path.parentPath.isExpressionStatement() && !(path.parentPath.isSequenceExpression() && path.parentPath.parentPath.isExpressionStatement())) {
return;
} // Start counting savings from one since we can ignore the last
// expression.
if (flipExpressions.shouldFlip(node, 1)) {
const newNode = flipExpressions.flip(node, true);
path.replaceWith(newNode);
}
}]
}
}
};
};

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{
"_args": [
[
"babel-plugin-minify-guarded-expressions@0.4.4",
"/home/runner/work/add-and-commit/add-and-commit"
]
],
"_development": true,
"_from": "babel-plugin-minify-guarded-expressions@0.4.4",
"_id": "babel-plugin-minify-guarded-expressions@0.4.4",
"_inBundle": false,
"_integrity": "sha512-RMv0tM72YuPPfLT9QLr3ix9nwUIq+sHT6z8Iu3sLbqldzC1Dls8DPCywzUIzkTx9Zh1hWX4q/m9BPoPed9GOfA==",
"_location": "/babel-plugin-minify-guarded-expressions",
"_phantomChildren": {},
"_requested": {
"type": "version",
"registry": true,
"raw": "babel-plugin-minify-guarded-expressions@0.4.4",
"name": "babel-plugin-minify-guarded-expressions",
"escapedName": "babel-plugin-minify-guarded-expressions",
"rawSpec": "0.4.4",
"saveSpec": null,
"fetchSpec": "0.4.4"
},
"_requiredBy": [
"/babel-preset-minify"
],
"_resolved": "https://registry.npmjs.org/babel-plugin-minify-guarded-expressions/-/babel-plugin-minify-guarded-expressions-0.4.4.tgz",
"_spec": "0.4.4",
"_where": "/home/runner/work/add-and-commit/add-and-commit",
"author": {
"name": "amasad"
},
"bugs": {
"url": "https://github.com/babel/minify/issues"
},
"dependencies": {
"babel-helper-evaluate-path": "^0.5.0",
"babel-helper-flip-expressions": "^0.4.3"
},
"description": "## Example",
"gitHead": "e1d0c52f5b501f5849741be6db56f968094854eb",
"homepage": "https://github.com/babel/minify#readme",
"keywords": [
"babel-plugin"
],
"license": "MIT",
"main": "lib/index.js",
"name": "babel-plugin-minify-guarded-expressions",
"repository": {
"type": "git",
"url": "https://github.com/babel/minify/tree/master/packages/babel-plugin-minify-guarded-expressions"
},
"version": "0.4.4"
}