diff options
Diffstat (limited to 'node_modules/babel-plugin-minify-builtins')
| -rw-r--r-- | node_modules/babel-plugin-minify-builtins/LICENSE | 22 | ||||
| -rw-r--r-- | node_modules/babel-plugin-minify-builtins/README.md | 55 | ||||
| -rw-r--r-- | node_modules/babel-plugin-minify-builtins/lib/index.js | 354 | ||||
| -rw-r--r-- | node_modules/babel-plugin-minify-builtins/package.json | 16 |
4 files changed, 0 insertions, 447 deletions
diff --git a/node_modules/babel-plugin-minify-builtins/LICENSE b/node_modules/babel-plugin-minify-builtins/LICENSE deleted file mode 100644 index f9f0a7f3..00000000 --- a/node_modules/babel-plugin-minify-builtins/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-builtins/README.md b/node_modules/babel-plugin-minify-builtins/README.md deleted file mode 100644 index 433cee1f..00000000 --- a/node_modules/babel-plugin-minify-builtins/README.md +++ /dev/null @@ -1,55 +0,0 @@ -# babel-plugin-minify-builtins - -Minify Standard built-in Objects - -## Example - -**In** - -```javascript -Math.floor(a) + Math.floor(b) -``` - -**Out** - -```javascript -var _Mathfloor = Math.floor; - -_Mathfloor(a) + _Mathfloor(b); -``` - -## Installation - -```sh -npm install babel-plugin-minify-builtins --save-dev -``` - -## Usage - -### Via `.babelrc` (Recommended) - -**.babelrc** - -```json -{ - "plugins": ["minify-builtins"] -} -``` - -### Via CLI - -```sh -babel --plugins minify-builtins script.js -``` - -### Via Node API - -```javascript -require("@babel/core").transform("code", { - plugins: ["minify-builtins"] -}); -``` - -## Options - -+ `tdz` - Account for TDZ (Temporal Dead Zone) diff --git a/node_modules/babel-plugin-minify-builtins/lib/index.js b/node_modules/babel-plugin-minify-builtins/lib/index.js deleted file mode 100644 index c63cb395..00000000 --- a/node_modules/babel-plugin-minify-builtins/lib/index.js +++ /dev/null @@ -1,354 +0,0 @@ -"use strict"; // Assuming all the static methods from below array are side effect free evaluation -// except Math.random - -function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); } - -function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } - -function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } - -function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; } - -const VALID_CALLEES = ["String", "Number", "Math"]; -const INVALID_METHODS = ["random"]; -const newIssueUrl = "https://github.com/babel/minify/issues/new"; - -module.exports = function ({ - types: t -}) { - class BuiltInReplacer { - constructor() { - // map<expr_name, path[]>; - this.pathsToUpdate = new Map(); - } - - getCollectVisitor() { - const context = this; - const collectVisitor = { - AssignmentExpression(path) { - const left = path.node.left; // Should bail and not run the plugin - // when builtin is polyfilled - - if (t.isMemberExpression(left) && isBuiltInComputed(left)) { - let parent = path; - - do { - parent.stop(); - } while (parent = parent.parentPath); - } - }, - - MemberExpression(path) { - if (path.parentPath.isCallExpression()) { - return; - } - - const node = path.node; - - if (!isComputed(node) && isBuiltin(node) && !getFunctionParent(path).isProgram()) { - const expName = memberToString(node); - addToMap(context.pathsToUpdate, expName, path); - } - }, - - CallExpression: { - exit(path) { - const callee = path.get("callee"); - - if (!callee.isMemberExpression()) { - return; - } - - const node = callee.node; // computed property should not be optimized - // Math[max]() -> Math.max() - - if (!isComputed(node) && isBuiltin(node) && !getFunctionParent(callee).isProgram()) { - const expName = memberToString(node); - addToMap(context.pathsToUpdate, expName, callee); - } - } - - } - }; - return collectVisitor; - } - - replace() { - var _iteratorNormalCompletion = true; - var _didIteratorError = false; - var _iteratorError = undefined; - - try { - for (var _iterator = this.pathsToUpdate[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) { - const _step$value = _slicedToArray(_step.value, 2), - expName = _step$value[0], - paths = _step$value[1]; - - // transform only if there is more than 1 occurence - if (paths.length <= 1) { - continue; - } - - const segmentsMap = getSegmentedSubPaths(paths); - var _iteratorNormalCompletion2 = true; - var _didIteratorError2 = false; - var _iteratorError2 = undefined; - - try { - for (var _iterator2 = segmentsMap[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) { - const _step2$value = _slicedToArray(_step2.value, 2), - parent = _step2$value[0], - subpaths = _step2$value[1]; - - if (subpaths.length <= 1) { - continue; - } - - const uniqueIdentifier = parent.scope.generateUidIdentifier(expName); - const newNode = t.variableDeclaration("var", [t.variableDeclarator(uniqueIdentifier, subpaths[0].node)]); - var _iteratorNormalCompletion3 = true; - var _didIteratorError3 = false; - var _iteratorError3 = undefined; - - try { - for (var _iterator3 = subpaths[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) { - const path = _step3.value; - path.replaceWith(t.clone(uniqueIdentifier)); - } // hoist the created var to the top of the function scope - - } catch (err) { - _didIteratorError3 = true; - _iteratorError3 = err; - } finally { - try { - if (!_iteratorNormalCompletion3 && _iterator3.return != null) { - _iterator3.return(); - } - } finally { - if (_didIteratorError3) { - throw _iteratorError3; - } - } - } - - const target = parent.get("body"); - /** - * Here, we validate a case where there is a local binding of - * one of Math, String or Number. Here we have to get the - * global Math instead of using the local one - so we do the - * following transformation - * - * var _Mathmax = Math.max; - * - * to - * - * var _Mathmax = (0, eval)("this").Math.max; - */ - - for (var _i2 = 0; _i2 < VALID_CALLEES.length; _i2++) { - const builtin = VALID_CALLEES[_i2]; - - if (target.scope.getBinding(builtin)) { - const prev = newNode.declarations[0].init; - - if (!t.isMemberExpression(prev)) { - throw new Error(`minify-builtins expected a MemberExpression. ` + `Found ${prev.type}. ` + `Please report this at ${newIssueUrl}`); - } - - if (!t.isMemberExpression(prev.object)) { - newNode.declarations[0].init = t.memberExpression(t.memberExpression(getGlobalThis(), prev.object), prev.property); - } - } - } - - target.unshiftContainer("body", newNode); - } - } catch (err) { - _didIteratorError2 = true; - _iteratorError2 = err; - } finally { - try { - if (!_iteratorNormalCompletion2 && _iterator2.return != null) { - _iterator2.return(); - } - } finally { - if (_didIteratorError2) { - throw _iteratorError2; - } - } - } - } - } catch (err) { - _didIteratorError = true; - _iteratorError = err; - } finally { - try { - if (!_iteratorNormalCompletion && _iterator.return != null) { - _iterator.return(); - } - } finally { - if (_didIteratorError) { - throw _iteratorError; - } - } - } - } - - } - - const builtInReplacer = new BuiltInReplacer(); - return { - name: "minify-builtins", - visitor: Object.assign({}, builtInReplacer.getCollectVisitor(), { - Program: { - exit() { - builtInReplacer.replace(); - } - - } - }) - }; - - function memberToString(memberExprNode) { - const object = memberExprNode.object, - property = memberExprNode.property; - let result = ""; - if (t.isIdentifier(object)) result += object.name; - if (t.isMemberExpression(object)) result += memberToString(object); - if (t.isIdentifier(property)) result += property.name; - return result; - } - - function isBuiltInComputed(memberExprNode) { - const object = memberExprNode.object, - computed = memberExprNode.computed; - return computed && t.isIdentifier(object) && VALID_CALLEES.indexOf(object.name) >= 0; - } - - function isBuiltin(memberExprNode) { - const object = memberExprNode.object, - property = memberExprNode.property; - - if (t.isIdentifier(object) && t.isIdentifier(property) && VALID_CALLEES.indexOf(object.name) >= 0 && INVALID_METHODS.indexOf(property.name) < 0) { - return true; - } - - return false; - } // Creates a segmented map that contains the earliest common Ancestor - // as the key and array of subpaths that are descendats of the LCA as value - - - function getSegmentedSubPaths(paths) { - let segments = new Map(); // Get earliest Path in tree where paths intersect - - paths[0].getDeepestCommonAncestorFrom(paths, (lastCommon, index, ancestries) => { - // found the LCA - if (!lastCommon.isProgram()) { - let fnParent; - - if (lastCommon.isFunction() && t.isBlockStatement(lastCommon.node.body)) { - segments.set(lastCommon, paths); - return; - } else if (!(fnParent = getFunctionParent(lastCommon)).isProgram() && t.isBlockStatement(fnParent.node.body)) { - segments.set(fnParent, paths); - return; - } - } // Deopt and construct segments otherwise - - - var _iteratorNormalCompletion4 = true; - var _didIteratorError4 = false; - var _iteratorError4 = undefined; - - try { - for (var _iterator4 = ancestries[Symbol.iterator](), _step4; !(_iteratorNormalCompletion4 = (_step4 = _iterator4.next()).done); _iteratorNormalCompletion4 = true) { - const ancestor = _step4.value; - const fnPath = getChildFuncion(ancestor); - - if (fnPath === void 0) { - continue; - } - - const validDescendants = paths.filter(p => { - return p.isDescendant(fnPath); - }); - segments.set(fnPath, validDescendants); - } - } catch (err) { - _didIteratorError4 = true; - _iteratorError4 = err; - } finally { - try { - if (!_iteratorNormalCompletion4 && _iterator4.return != null) { - _iterator4.return(); - } - } finally { - if (_didIteratorError4) { - throw _iteratorError4; - } - } - } - }); - return segments; - } - - function getChildFuncion(ancestors = []) { - var _iteratorNormalCompletion5 = true; - var _didIteratorError5 = false; - var _iteratorError5 = undefined; - - try { - for (var _iterator5 = ancestors[Symbol.iterator](), _step5; !(_iteratorNormalCompletion5 = (_step5 = _iterator5.next()).done); _iteratorNormalCompletion5 = true) { - const path = _step5.value; - - if (path.isFunction() && t.isBlockStatement(path.node.body)) { - return path; - } - } - } catch (err) { - _didIteratorError5 = true; - _iteratorError5 = err; - } finally { - try { - if (!_iteratorNormalCompletion5 && _iterator5.return != null) { - _iterator5.return(); - } - } finally { - if (_didIteratorError5) { - throw _iteratorError5; - } - } - } - } - /** - * returns - * - * (0, eval)("this") - */ - - - function getGlobalThis() { - return t.callExpression(t.sequenceExpression([t.valueToNode(0), t.identifier("eval")]), [t.valueToNode("this")]); - } -}; - -function addToMap(map, key, value) { - if (!map.has(key)) { - map.set(key, []); - } - - map.get(key).push(value); -} - -function isComputed(node) { - return node.computed; -} -/** - * Babel-7 returns null if there is no function parent - * and uses getProgramParent to get Program - */ - - -function getFunctionParent(path) { - return (path.scope.getFunctionParent() || path.scope.getProgramParent()).path; -}
\ No newline at end of file diff --git a/node_modules/babel-plugin-minify-builtins/package.json b/node_modules/babel-plugin-minify-builtins/package.json deleted file mode 100644 index 535d027a..00000000 --- a/node_modules/babel-plugin-minify-builtins/package.json +++ /dev/null @@ -1,16 +0,0 @@ -{ - "name": "babel-plugin-minify-builtins", - "version": "0.5.0", - "description": "Minify Standard built-in Objects", - "keywords": [ - "babel-plugin", - "transform-built-ins" - ], - "homepage": "https://github.com/babel/minify#readme", - "bugs": "https://github.com/babel/minify/issues", - "license": "MIT", - "author": "Vignesh Shanmugam <vignesh.shanmugam22@gmail.com> (https://vigneshh.in)", - "main": "lib/index.js", - "repository": "https://github.com/babel/minify/tree/master/packages/babel-plugin-minify-builtins", - "gitHead": "4de390008da4a486b37819109d2021a0957ad405" -} |