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Diffstat (limited to 'node_modules/@babel/plugin-proposal-function-sent')
3 files changed, 193 insertions, 0 deletions
diff --git a/node_modules/@babel/plugin-proposal-function-sent/README.md b/node_modules/@babel/plugin-proposal-function-sent/README.md new file mode 100644 index 00000000..9c498491 --- /dev/null +++ b/node_modules/@babel/plugin-proposal-function-sent/README.md @@ -0,0 +1,66 @@ +# @babel/plugin-proposal-function-sent + +> Compile the `function.sent` meta property, used inside generator functions, to valid ES2015 code. + +## Example + +```js +function* generator() { + console.log("Sent", function.sent); + console.log("Yield", yield); +} + +const iterator = generator(); +iterator.next(1); // Logs "Sent 1" +iterator.next(2); // Logs "Yield 2" +``` + +Is compiled roughly to + +```js +let generator = _skipFirstGeneratorNext(function* () { + const _functionSent = yield; + console.log("Sent", _functionSent); + console.log("Yield", yield); +}); + +const iterator = generator(); +iterator.next(1); // Logs "Sent 1" +iterator.next(2); // Logs "Yield 1" +``` + +## Installation + +```sh +npm install --save-dev @babel/plugin-proposal-function-sent +``` + +## Usage + +### Via `.babelrc` (Recommended) + +**.babelrc** + +```json +{ + "plugins": ["@babel/plugin-proposal-function-sent"] +} +``` + +### Via CLI + +```sh +babel --plugins @babel/plugin-proposal-function-sent script.js +``` + +### Via Node API + +```javascript +require("@babel/core").transform("code", { + plugins: ["@babel/plugin-proposal-function-sent"] +}); +``` + +## References + +* [Proposal](https://github.com/allenwb/ESideas/blob/master/Generator%20metaproperty.md) diff --git a/node_modules/@babel/plugin-proposal-function-sent/lib/index.js b/node_modules/@babel/plugin-proposal-function-sent/lib/index.js new file mode 100644 index 00000000..d42d5d7f --- /dev/null +++ b/node_modules/@babel/plugin-proposal-function-sent/lib/index.js @@ -0,0 +1,104 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.default = void 0; + +function _helperPluginUtils() { + const data = require("@babel/helper-plugin-utils"); + + _helperPluginUtils = function _helperPluginUtils() { + return data; + }; + + return data; +} + +function _pluginSyntaxFunctionSent() { + const data = _interopRequireDefault(require("@babel/plugin-syntax-function-sent")); + + _pluginSyntaxFunctionSent = function _pluginSyntaxFunctionSent() { + return data; + }; + + return data; +} + +function _helperWrapFunction() { + const data = _interopRequireDefault(require("@babel/helper-wrap-function")); + + _helperWrapFunction = function _helperWrapFunction() { + return data; + }; + + return data; +} + +function _core() { + const data = require("@babel/core"); + + _core = function _core() { + return data; + }; + + return data; +} + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +var _default = (0, _helperPluginUtils().declare)(api => { + api.assertVersion(7); + + const isFunctionSent = node => _core().types.isIdentifier(node.meta, { + name: "function" + }) && _core().types.isIdentifier(node.property, { + name: "sent" + }); + + const hasBeenReplaced = (node, sentId) => _core().types.isAssignmentExpression(node) && _core().types.isIdentifier(node.left, { + name: sentId + }); + + const yieldVisitor = { + Function(path) { + path.skip(); + }, + + YieldExpression(path) { + if (!hasBeenReplaced(path.parent, this.sentId)) { + path.replaceWith(_core().types.assignmentExpression("=", _core().types.identifier(this.sentId), path.node)); + } + }, + + MetaProperty(path) { + if (isFunctionSent(path.node)) { + path.replaceWith(_core().types.identifier(this.sentId)); + } + } + + }; + return { + inherits: _pluginSyntaxFunctionSent().default, + visitor: { + MetaProperty(path, state) { + if (!isFunctionSent(path.node)) return; + const fnPath = path.getFunctionParent(); + + if (!fnPath.node.generator) { + throw new Error("Parent generator function not found"); + } + + const sentId = path.scope.generateUid("function.sent"); + fnPath.traverse(yieldVisitor, { + sentId + }); + fnPath.node.body.body.unshift(_core().types.variableDeclaration("let", [_core().types.variableDeclarator(_core().types.identifier(sentId), _core().types.yieldExpression())])); + (0, _helperWrapFunction().default)(fnPath, state.addHelper("skipFirstGeneratorNext")); + } + + } + }; +}); + +exports.default = _default;
\ No newline at end of file diff --git a/node_modules/@babel/plugin-proposal-function-sent/package.json b/node_modules/@babel/plugin-proposal-function-sent/package.json new file mode 100644 index 00000000..7f0562fa --- /dev/null +++ b/node_modules/@babel/plugin-proposal-function-sent/package.json @@ -0,0 +1,23 @@ +{ + "name": "@babel/plugin-proposal-function-sent", + "version": "7.0.0-beta.47", + "description": "Compile the function.sent meta propety to valid ES2015 code", + "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-function-sent", + "license": "MIT", + "main": "lib/index.js", + "keywords": [ + "babel-plugin" + ], + "dependencies": { + "@babel/helper-plugin-utils": "7.0.0-beta.47", + "@babel/helper-wrap-function": "7.0.0-beta.47", + "@babel/plugin-syntax-function-sent": "7.0.0-beta.47" + }, + "peerDependencies": { + "@babel/core": "7.0.0-beta.47" + }, + "devDependencies": { + "@babel/core": "7.0.0-beta.47", + "@babel/helper-plugin-test-runner": "7.0.0-beta.47" + } +} |