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Implement transform support for
using declarations (#15633)
Co-authored-by: liuxingbaoyu <30521560+liuxingbaoyu@users.noreply.github.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /* @minVersion 7.0.0-beta.0 */ | ||
| function dispose_SuppressedError(suppressed, error) { | ||
| if (typeof SuppressedError !== "undefined") { | ||
| // eslint-disable-next-line no-undef | ||
| dispose_SuppressedError = SuppressedError; | ||
| } else { | ||
| dispose_SuppressedError = function SuppressedError(suppressed, error) { | ||
| this.suppressed = suppressed; | ||
| this.error = error; | ||
| this.stack = new Error().stack; | ||
| }; | ||
| dispose_SuppressedError.prototype = Object.create(Error.prototype, { | ||
| constructor: { | ||
| value: dispose_SuppressedError, | ||
| writable: true, | ||
| configurable: true, | ||
| }, | ||
| }); | ||
| } | ||
| return new dispose_SuppressedError(suppressed, error); | ||
| } | ||
|
|
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| export default function _dispose(stack, error, hasError) { | ||
| function next() { | ||
| if (stack.length === 0) { | ||
| if (hasError) throw error; | ||
| return; | ||
| } | ||
|
|
||
| var r = stack.pop(); | ||
| if (r.a) { | ||
| return Promise.resolve(r.d.call(r.v)).then(next, err); | ||
| } | ||
| try { | ||
| r.d.call(r.v); | ||
| } catch (e) { | ||
| return err(e); | ||
| } | ||
| return next(); | ||
| } | ||
|
|
||
| function err(e) { | ||
| error = hasError ? new dispose_SuppressedError(e, error) : e; | ||
| hasError = true; | ||
|
|
||
| return next(); | ||
| } | ||
|
|
||
| return next(); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| /* @minVersion 7.0.0-beta.0 */ | ||
|
|
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| export default function _using(stack, value, isAwait) { | ||
| if (value === null || value === void 0) return value; | ||
| if (typeof value !== "object") { | ||
| throw new TypeError( | ||
| "using decarations can only be used with objects, null, or undefined." | ||
| ); | ||
| } | ||
| // core-js-pure uses Symbol.for for polyfilling well-known symbols | ||
| if (isAwait) { | ||
| var dispose = | ||
| value[Symbol.asyncDispose || Symbol.for("Symbol.asyncDispose")]; | ||
| } | ||
| if (dispose === null || dispose === void 0) { | ||
| dispose = value[Symbol.dispose || Symbol.for("Symbol.dispose")]; | ||
| } | ||
| if (typeof dispose !== "function") { | ||
| throw new TypeError(`Property [Symbol.dispose] is not a function.`); | ||
| } | ||
| stack.push({ v: value, d: dispose, a: isAwait }); | ||
| return value; | ||
| } |
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3
packages/babel-plugin-proposal-explicit-resource-management/.npmignore
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,3 @@ | ||
| src | ||
| test | ||
| *.log |
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packages/babel-plugin-proposal-explicit-resource-management/README.md
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,19 @@ | ||
| # @babel/plugin-proposal-explicit-resource-managements | ||
|
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| > Compile `using` declarations to ES2015 | ||
| See our website [@babel/plugin-proposal-explicit-resource-managements](https://babeljs.io/docs/en/babel-plugin-proposal-explicit-resource-managements) for more information. | ||
|
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| ## Install | ||
|
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| Using npm: | ||
|
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| ```sh | ||
| npm install --save-dev @babel/plugin-proposal-explicit-resource-managements | ||
| ``` | ||
|
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| or using yarn: | ||
|
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| ```sh | ||
| yarn add @babel/plugin-proposal-explicit-resource-managements --dev | ||
| ``` |
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packages/babel-plugin-proposal-explicit-resource-management/package.json
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| @@ -0,0 +1,47 @@ | ||
| { | ||
| "name": "@babel/plugin-proposal-explicit-resource-management", | ||
| "version": "7.18.6", | ||
| "description": "Compile `using` declarations to ES2015", | ||
| "repository": { | ||
| "type": "git", | ||
| "url": "https://github.com/babel/babel.git", | ||
| "directory": "packages/babel-plugin-proposal-explicit-resource-management" | ||
| }, | ||
| "homepage": "https://babel.dev/docs/en/next/babel-plugin-proposal-explicit-resource-management", | ||
| "license": "MIT", | ||
| "publishConfig": { | ||
| "access": "public" | ||
| }, | ||
| "main": "./lib/index.js", | ||
| "keywords": [ | ||
| "babel-plugin" | ||
| ], | ||
| "dependencies": { | ||
| "@babel/helper-plugin-utils": "workspace:^", | ||
| "@babel/plugin-syntax-explicit-resource-management": "workspace:^" | ||
| }, | ||
| "peerDependencies": { | ||
| "@babel/core": "^7.0.0-0" | ||
| }, | ||
| "devDependencies": { | ||
| "@babel/core": "workspace:^", | ||
| "@babel/helper-plugin-test-runner": "workspace:^" | ||
| }, | ||
| "engines": { | ||
| "node": ">=6.9.0" | ||
| }, | ||
| "author": "The Babel Team (https://babel.dev/team)", | ||
| "conditions": { | ||
| "USE_ESM": [ | ||
| { | ||
| "type": "module" | ||
| }, | ||
| null | ||
| ] | ||
| }, | ||
| "exports": { | ||
| ".": "./lib/index.js", | ||
| "./package.json": "./package.json" | ||
| }, | ||
| "type": "commonjs" | ||
| } |
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