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Diffstat (limited to 'node_modules/babel-plugin-minify-guarded-expressions')
4 files changed, 0 insertions, 170 deletions
diff --git a/node_modules/babel-plugin-minify-guarded-expressions/LICENSE b/node_modules/babel-plugin-minify-guarded-expressions/LICENSE deleted file mode 100644 index f9f0a7f3..00000000 --- a/node_modules/babel-plugin-minify-guarded-expressions/LICENSE +++ /dev/null @@ -1,22 +0,0 @@ -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. diff --git a/node_modules/babel-plugin-minify-guarded-expressions/README.md b/node_modules/babel-plugin-minify-guarded-expressions/README.md deleted file mode 100644 index 6927bccc..00000000 --- a/node_modules/babel-plugin-minify-guarded-expressions/README.md +++ /dev/null @@ -1,49 +0,0 @@ -# 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"] -}); -``` diff --git a/node_modules/babel-plugin-minify-guarded-expressions/lib/index.js b/node_modules/babel-plugin-minify-guarded-expressions/lib/index.js deleted file mode 100644 index 5cc5f192..00000000 --- a/node_modules/babel-plugin-minify-guarded-expressions/lib/index.js +++ /dev/null @@ -1,80 +0,0 @@ -"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); - } - }] - } - } - }; -};
\ No newline at end of file diff --git a/node_modules/babel-plugin-minify-guarded-expressions/package.json b/node_modules/babel-plugin-minify-guarded-expressions/package.json deleted file mode 100644 index aed7a70e..00000000 --- a/node_modules/babel-plugin-minify-guarded-expressions/package.json +++ /dev/null @@ -1,19 +0,0 @@ -{ - "name": "babel-plugin-minify-guarded-expressions", - "version": "0.4.4", - "description": "", - "keywords": [ - "babel-plugin" - ], - "homepage": "https://github.com/babel/minify#readme", - "bugs": "https://github.com/babel/minify/issues", - "license": "MIT", - "author": "amasad", - "main": "lib/index.js", - "repository": "https://github.com/babel/minify/tree/master/packages/babel-plugin-minify-guarded-expressions", - "dependencies": { - "babel-helper-evaluate-path": "^0.5.0", - "babel-helper-flip-expressions": "^0.4.3" - }, - "gitHead": "e1d0c52f5b501f5849741be6db56f968094854eb" -} |