diff options
Diffstat (limited to 'node_modules/@babel/helper-simple-access')
-rw-r--r-- | node_modules/@babel/helper-simple-access/LICENSE | 22 | ||||
-rw-r--r-- | node_modules/@babel/helper-simple-access/README.md | 19 | ||||
-rw-r--r-- | node_modules/@babel/helper-simple-access/lib/index.js | 93 | ||||
-rw-r--r-- | node_modules/@babel/helper-simple-access/package.json | 26 |
4 files changed, 160 insertions, 0 deletions
diff --git a/node_modules/@babel/helper-simple-access/LICENSE b/node_modules/@babel/helper-simple-access/LICENSE new file mode 100644 index 0000000..f31575e --- /dev/null +++ b/node_modules/@babel/helper-simple-access/LICENSE @@ -0,0 +1,22 @@ +MIT License + +Copyright (c) 2014-present Sebastian McKenzie and other contributors + +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/helper-simple-access/README.md b/node_modules/@babel/helper-simple-access/README.md new file mode 100644 index 0000000..01aa70a --- /dev/null +++ b/node_modules/@babel/helper-simple-access/README.md @@ -0,0 +1,19 @@ +# @babel/helper-simple-access + +> Babel helper for ensuring that access to a given value is performed through simple accesses + +See our website [@babel/helper-simple-access](https://babeljs.io/docs/en/babel-helper-simple-access) for more information. + +## Install + +Using npm: + +```sh +npm install --save @babel/helper-simple-access +``` + +or using yarn: + +```sh +yarn add @babel/helper-simple-access +``` diff --git a/node_modules/@babel/helper-simple-access/lib/index.js b/node_modules/@babel/helper-simple-access/lib/index.js new file mode 100644 index 0000000..69bacda --- /dev/null +++ b/node_modules/@babel/helper-simple-access/lib/index.js @@ -0,0 +1,93 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.default = simplifyAccess; + +var _t = require("@babel/types"); + +const { + LOGICAL_OPERATORS, + assignmentExpression, + binaryExpression, + cloneNode, + identifier, + logicalExpression, + numericLiteral, + sequenceExpression, + unaryExpression +} = _t; + +function simplifyAccess(path, bindingNames) { + path.traverse(simpleAssignmentVisitor, { + scope: path.scope, + bindingNames, + seen: new WeakSet() + }); +} + +const simpleAssignmentVisitor = { + UpdateExpression: { + exit(path) { + const { + scope, + bindingNames + } = this; + const arg = path.get("argument"); + if (!arg.isIdentifier()) return; + const localName = arg.node.name; + if (!bindingNames.has(localName)) return; + + if (scope.getBinding(localName) !== path.scope.getBinding(localName)) { + return; + } + + if (path.parentPath.isExpressionStatement() && !path.isCompletionRecord()) { + const operator = path.node.operator == "++" ? "+=" : "-="; + path.replaceWith(assignmentExpression(operator, arg.node, numericLiteral(1))); + } else if (path.node.prefix) { + path.replaceWith(assignmentExpression("=", identifier(localName), binaryExpression(path.node.operator[0], unaryExpression("+", arg.node), numericLiteral(1)))); + } else { + const old = path.scope.generateUidIdentifierBasedOnNode(arg.node, "old"); + const varName = old.name; + path.scope.push({ + id: old + }); + const binary = binaryExpression(path.node.operator[0], identifier(varName), numericLiteral(1)); + path.replaceWith(sequenceExpression([assignmentExpression("=", identifier(varName), unaryExpression("+", arg.node)), assignmentExpression("=", cloneNode(arg.node), binary), identifier(varName)])); + } + } + + }, + AssignmentExpression: { + exit(path) { + const { + scope, + seen, + bindingNames + } = this; + if (path.node.operator === "=") return; + if (seen.has(path.node)) return; + seen.add(path.node); + const left = path.get("left"); + if (!left.isIdentifier()) return; + const localName = left.node.name; + if (!bindingNames.has(localName)) return; + + if (scope.getBinding(localName) !== path.scope.getBinding(localName)) { + return; + } + + const operator = path.node.operator.slice(0, -1); + + if (LOGICAL_OPERATORS.includes(operator)) { + path.replaceWith(logicalExpression(operator, path.node.left, assignmentExpression("=", cloneNode(path.node.left), path.node.right))); + } else { + path.node.right = binaryExpression(operator, cloneNode(path.node.left), path.node.right); + path.node.operator = "="; + } + } + + } +};
\ No newline at end of file diff --git a/node_modules/@babel/helper-simple-access/package.json b/node_modules/@babel/helper-simple-access/package.json new file mode 100644 index 0000000..e30c7ed --- /dev/null +++ b/node_modules/@babel/helper-simple-access/package.json @@ -0,0 +1,26 @@ +{ + "name": "@babel/helper-simple-access", + "version": "7.16.7", + "description": "Babel helper for ensuring that access to a given value is performed through simple accesses", + "author": "The Babel Team (https://babel.dev/team)", + "homepage": "https://babel.dev/docs/en/next/babel-helper-simple-access", + "license": "MIT", + "publishConfig": { + "access": "public" + }, + "repository": { + "type": "git", + "url": "https://github.com/babel/babel.git", + "directory": "packages/babel-helper-simple-access" + }, + "main": "./lib/index.js", + "dependencies": { + "@babel/types": "^7.16.7" + }, + "devDependencies": { + "@babel/traverse": "^7.16.7" + }, + "engines": { + "node": ">=6.9.0" + } +}
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