@babel/plugin-transform-async-generator-functions - npm Package Compare versions

Comparing version 7.22.7 to 8.0.0-alpha.0

lib/for-await.js

@@ -1,9 +0,3 @@
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.default = _default;
-var _core = require("@babel/core");
-const buildForAwait = (0, _core.template)(`
+import { types as t, template } from "@babel/core";
+const buildForAwait = template(`
   async function wrapper() {
@@ -36,3 +30,3 @@ var ITERATOR_ABRUPT_COMPLETION = false;
 `);
-function _default(path, {
+export default function (path, {
   getAsyncIterator
@@ -46,9 +40,9 @@ }) {
   const stepKey = scope.generateUidIdentifier("step");
-  const stepValue = _core.types.memberExpression(stepKey, _core.types.identifier("value"));
+  const stepValue = t.memberExpression(stepKey, t.identifier("value"));
   const left = node.left;
   let declar;
-  if (_core.types.isIdentifier(left) || _core.types.isPattern(left) || _core.types.isMemberExpression(left)) {
-    declar = _core.types.expressionStatement(_core.types.assignmentExpression("=", left, stepValue));
-  } else if (_core.types.isVariableDeclaration(left)) {
-    declar = _core.types.variableDeclaration(left.kind, [_core.types.variableDeclarator(left.declarations[0].id, stepValue)]);
+  if (t.isIdentifier(left) || t.isPattern(left) || t.isMemberExpression(left)) {
+    declar = t.expressionStatement(t.assignmentExpression("=", left, stepValue));
+  } else if (t.isVariableDeclaration(left)) {
+    declar = t.variableDeclaration(left.kind, [t.variableDeclarator(left.declarations[0].id, stepValue)]);
   }
@@ -62,10 +56,10 @@ let template = buildForAwait({
     OBJECT: node.right,
-    STEP_KEY: _core.types.cloneNode(stepKey)
+    STEP_KEY: t.cloneNode(stepKey)
   });
   template = template.body.body;
-  const isLabeledParent = _core.types.isLabeledStatement(parent);
+  const isLabeledParent = t.isLabeledStatement(parent);
   const tryBody = template[3].block.body;
   const loop = tryBody[0];
   if (isLabeledParent) {
-    tryBody[0] = _core.types.labeledStatement(parent.label, loop);
+    tryBody[0] = t.labeledStatement(parent.label, loop);
   }
@@ -72,0 +66,0 @@ return {

lib/index.js

@@ -1,16 +0,79 @@
-"use strict";
+import { declare } from '@babel/helper-plugin-utils';
+import remapAsyncToGenerator from '@babel/helper-remap-async-to-generator';
+import syntaxAsyncGenerators from '@babel/plugin-syntax-async-generators';
+import { template, types, traverse } from '@babel/core';
+import environmentVisitor from '@babel/helper-environment-visitor';
 
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.default = void 0;
-var _helperPluginUtils = require("@babel/helper-plugin-utils");
-var _helperRemapAsyncToGenerator = require("@babel/helper-remap-async-to-generator");
-var _pluginSyntaxAsyncGenerators = require("@babel/plugin-syntax-async-generators");
-var _core = require("@babel/core");
-var _forAwait = require("./for-await");
-var _helperEnvironmentVisitor = require("@babel/helper-environment-visitor");
-var _default = (0, _helperPluginUtils.declare)(api => {
+const buildForAwait = template(`
+  async function wrapper() {
+    var ITERATOR_ABRUPT_COMPLETION = false;
+    var ITERATOR_HAD_ERROR_KEY = false;
+    var ITERATOR_ERROR_KEY;
+    try {
+      for (
+        var ITERATOR_KEY = GET_ITERATOR(OBJECT), STEP_KEY;
+        ITERATOR_ABRUPT_COMPLETION = !(STEP_KEY = await ITERATOR_KEY.next()).done;
+        ITERATOR_ABRUPT_COMPLETION = false
+      ) {
+      }
+    } catch (err) {
+      ITERATOR_HAD_ERROR_KEY = true;
+      ITERATOR_ERROR_KEY = err;
+    } finally {
+      try {
+        if (ITERATOR_ABRUPT_COMPLETION && ITERATOR_KEY.return != null) {
+          await ITERATOR_KEY.return();
+        }
+      } finally {
+        if (ITERATOR_HAD_ERROR_KEY) {
+          throw ITERATOR_ERROR_KEY;
+        }
+      }
+    }
+  }
+`);
+function rewriteForAwait (path, {
+  getAsyncIterator
+}) {
+  const {
+    node,
+    scope,
+    parent
+  } = path;
+  const stepKey = scope.generateUidIdentifier("step");
+  const stepValue = types.memberExpression(stepKey, types.identifier("value"));
+  const left = node.left;
+  let declar;
+  if (types.isIdentifier(left) || types.isPattern(left) || types.isMemberExpression(left)) {
+    declar = types.expressionStatement(types.assignmentExpression("=", left, stepValue));
+  } else if (types.isVariableDeclaration(left)) {
+    declar = types.variableDeclaration(left.kind, [types.variableDeclarator(left.declarations[0].id, stepValue)]);
+  }
+  let template = buildForAwait({
+    ITERATOR_HAD_ERROR_KEY: scope.generateUidIdentifier("didIteratorError"),
+    ITERATOR_ABRUPT_COMPLETION: scope.generateUidIdentifier("iteratorAbruptCompletion"),
+    ITERATOR_ERROR_KEY: scope.generateUidIdentifier("iteratorError"),
+    ITERATOR_KEY: scope.generateUidIdentifier("iterator"),
+    GET_ITERATOR: getAsyncIterator,
+    OBJECT: node.right,
+    STEP_KEY: types.cloneNode(stepKey)
+  });
+  template = template.body.body;
+  const isLabeledParent = types.isLabeledStatement(parent);
+  const tryBody = template[3].block.body;
+  const loop = tryBody[0];
+  if (isLabeledParent) {
+    tryBody[0] = types.labeledStatement(parent.label, loop);
+  }
+  return {
+    replaceParent: isLabeledParent,
+    node: template,
+    declar,
+    loop
+  };
+}
+
+var index = declare(api => {
   api.assertVersion(7);
-  const yieldStarVisitor = _core.traverse.visitors.merge([{
+  const yieldStarVisitor = traverse.visitors.merge([{
     ArrowFunctionExpression(path) {
@@ -23,7 +86,7 @@ path.skip();
       if (!node.delegate) return;
-      const asyncIter = _core.types.callExpression(state.addHelper("asyncIterator"), [node.argument]);
-      node.argument = _core.types.callExpression(state.addHelper("asyncGeneratorDelegate"), [asyncIter, state.addHelper("awaitAsyncGenerator")]);
+      const asyncIter = types.callExpression(state.addHelper("asyncIterator"), [node.argument]);
+      node.argument = types.callExpression(state.addHelper("asyncGeneratorDelegate"), [asyncIter]);
     }
-  }, _helperEnvironmentVisitor.default]);
-  const forAwaitVisitor = _core.traverse.visitors.merge([{
+  }, environmentVisitor]);
+  const forAwaitVisitor = traverse.visitors.merge([{
     ArrowFunctionExpression(path) {
@@ -39,3 +102,3 @@ path.skip();
       if (!node.await) return;
-      const build = (0, _forAwait.default)(path, {
+      const build = rewriteForAwait(path, {
         getAsyncIterator: file.addHelper("asyncIterator")
@@ -52,3 +115,3 @@ });
         if (path.node.body.body.length) {
-          block.body.push(_core.types.blockStatement(path.node.body.body));
+          block.body.push(types.blockStatement(path.node.body.body));
         }
@@ -58,4 +121,4 @@ } else {
       }
-      _core.types.inherits(loop, node);
-      _core.types.inherits(loop.body, node.body);
+      types.inherits(loop, node);
+      types.inherits(loop.body, node.body);
       const p = build.replaceParent ? path.parentPath : path;
@@ -65,3 +128,3 @@ p.replaceWithMultiple(build.node);
     }
-  }, _helperEnvironmentVisitor.default]);
+  }, environmentVisitor]);
   const visitor = {
@@ -73,3 +136,3 @@ Function(path, state) {
       path.traverse(yieldStarVisitor, state);
-      (0, _helperRemapAsyncToGenerator.default)(path, {
+      remapAsyncToGenerator(path, {
         wrapAsync: state.addHelper("wrapAsyncGenerator"),
@@ -82,3 +145,3 @@ wrapAwait: state.addHelper("awaitAsyncGenerator")
     name: "transform-async-generator-functions",
-    inherits: _pluginSyntaxAsyncGenerators.default,
+    inherits: syntaxAsyncGenerators.default,
     visitor: {
@@ -91,4 +154,4 @@ Program(path, state) {
 });
-exports.default = _default;
 
+export { index as default };
 //# sourceMappingURL=index.js.map

package.json

 {
   "name": "@babel/plugin-transform-async-generator-functions",
-  "version": "7.22.7",
+  "version": "8.0.0-alpha.0",
   "description": "Turn async generator functions into ES2015 generators",
@@ -20,13 +20,13 @@ "repository": {
   "dependencies": {
-    "@babel/helper-environment-visitor": "^7.22.5",
-    "@babel/helper-plugin-utils": "^7.22.5",
-    "@babel/helper-remap-async-to-generator": "^7.22.5",
+    "@babel/helper-environment-visitor": "^8.0.0-alpha.0",
+    "@babel/helper-plugin-utils": "^8.0.0-alpha.0",
+    "@babel/helper-remap-async-to-generator": "^8.0.0-alpha.0",
     "@babel/plugin-syntax-async-generators": "^7.8.4"
   },
   "peerDependencies": {
-    "@babel/core": "^7.0.0-0"
+    "@babel/core": "^8.0.0-alpha.0"
   },
   "devDependencies": {
-    "@babel/core": "^7.22.7",
-    "@babel/helper-plugin-test-runner": "^7.22.5",
+    "@babel/core": "^8.0.0-alpha.0",
+    "@babel/helper-plugin-test-runner": "^8.0.0-alpha.0",
     "babel-plugin-polyfill-corejs3": "^0.8.2",
@@ -36,6 +36,10 @@ "core-js-pure": "^3.30.2"
   "engines": {
-    "node": ">=6.9.0"
+    "node": "^16.20.0 || ^18.16.0 || >=20.0.0"
   },
   "author": "The Babel Team (https://babel.dev/team)",
-  "type": "commonjs"
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  },
+  "type": "module"
 }

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Total package byte prevSize

27427

increased by34.15%

Lines of code

216

increased by35.85%

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Worsened metrics

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increased byInfinity%

Dependency changes

• + Added@babel/code-frame@8.0.0-alpha.12(transitive)

• + Added@babel/compat-data@8.0.0-alpha.12(transitive)

• + Added@babel/core@8.0.0-alpha.12(transitive)

• + Added@babel/generator@8.0.0-alpha.12(transitive)

• + Added@babel/helper-annotate-as-pure@8.0.0-alpha.12(transitive)

• + Added@babel/helper-compilation-targets@8.0.0-alpha.12(transitive)

• + Added@babel/helper-environment-visitor@8.0.0-alpha.11(transitive)

• + Added@babel/helper-plugin-utils@8.0.0-alpha.12(transitive)

• + Added@babel/helper-remap-async-to-generator@8.0.0-alpha.12(transitive)

• + Added@babel/helper-string-parser@8.0.0-alpha.12(transitive)

• + Added@babel/helper-validator-identifier@8.0.0-alpha.12(transitive)

• + Added@babel/helper-validator-option@8.0.0-alpha.12(transitive)

• + Added@babel/helper-wrap-function@8.0.0-alpha.12(transitive)

• + Added@babel/helpers@8.0.0-alpha.12(transitive)

• + Added@babel/highlight@8.0.0-alpha.12(transitive)

• + Added@babel/parser@8.0.0-alpha.12(transitive)

• + Added@babel/template@8.0.0-alpha.12(transitive)

• + Added@babel/traverse@8.0.0-alpha.12(transitive)

• + Added@babel/types@8.0.0-alpha.12(transitive)

• + Addedglobals@15.9.0(transitive)

• + Addedjs-tokens@8.0.3(transitive)

• + Addedjsesc@3.0.2(transitive)

• + Addedlru-cache@7.18.3(transitive)

• + Addedsemver@7.6.3(transitive)

• + Addedto-fast-properties@3.0.1(transitive)

• - Removed@babel/helper-annotate-as-pure@7.24.7(transitive)

• - Removed@babel/helper-environment-visitor@7.24.7(transitive)

• - Removed@babel/helper-remap-async-to-generator@7.25.0(transitive)

• - Removed@babel/helper-wrap-function@7.25.0(transitive)

• Updated@babel/helper-environment-visitor@^8.0.0-alpha.0

• Updated@babel/helper-plugin-utils@^8.0.0-alpha.0

• Updated@babel/helper-remap-async-to-generator@^8.0.0-alpha.0