@babel/plugin-transform-for-of - npm Package Compare versions

Comparing version 7.22.5 to 8.0.0-alpha.0

lib/index.js

@@ -1,18 +0,54 @@
-"use strict";
+import { declare } from '@babel/helper-plugin-utils';
+import { template, types } from '@babel/core';
 
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.default = void 0;
-var _helperPluginUtils = require("@babel/helper-plugin-utils");
-var _core = require("@babel/core");
-var _noHelperImplementation = require("./no-helper-implementation");
+template.statement(`
+  for (var LOOP_OBJECT = OBJECT,
+          IS_ARRAY = Array.isArray(LOOP_OBJECT),
+          INDEX = 0,
+          LOOP_OBJECT = IS_ARRAY ? LOOP_OBJECT : LOOP_OBJECT[Symbol.iterator]();;) {
+    INTERMEDIATE;
+    if (IS_ARRAY) {
+      if (INDEX >= LOOP_OBJECT.length) break;
+      ID = LOOP_OBJECT[INDEX++];
+    } else {
+      INDEX = LOOP_OBJECT.next();
+      if (INDEX.done) break;
+      ID = INDEX.value;
+    }
+  }
+`);
+template.statements(`
+  var ITERATOR_COMPLETION = true;
+  var ITERATOR_HAD_ERROR_KEY = false;
+  var ITERATOR_ERROR_KEY = undefined;
+  try {
+    for (
+      var ITERATOR_KEY = OBJECT[Symbol.iterator](), STEP_KEY;
+      !(ITERATOR_COMPLETION = (STEP_KEY = ITERATOR_KEY.next()).done);
+      ITERATOR_COMPLETION = true
+    ) {}
+  } catch (err) {
+    ITERATOR_HAD_ERROR_KEY = true;
+    ITERATOR_ERROR_KEY = err;
+  } finally {
+    try {
+      if (!ITERATOR_COMPLETION && ITERATOR_KEY.return != null) {
+        ITERATOR_KEY.return();
+      }
+    } finally {
+      if (ITERATOR_HAD_ERROR_KEY) {
+        throw ITERATOR_ERROR_KEY;
+      }
+    }
+  }
+`);
+
 function buildLoopBody(path, declar, newBody) {
   let block;
   const bodyPath = path.get("body");
-  const body = newBody != null ? newBody : bodyPath.node;
-  if (_core.types.isBlockStatement(body) && Object.keys(path.getBindingIdentifiers()).some(id => bodyPath.scope.hasOwnBinding(id))) {
-    block = _core.types.blockStatement([declar, body]);
+  const body = newBody ?? bodyPath.node;
+  if (types.isBlockStatement(body) && Object.keys(path.getBindingIdentifiers()).some(id => bodyPath.scope.hasOwnBinding(id))) {
+    block = types.blockStatement([declar, body]);
   } else {
-    block = _core.types.toBlock(body);
+    block = types.toBlock(body);
     block.body.unshift(declar);
@@ -22,4 +58,3 @@ }
 }
-var _default = (0, _helperPluginUtils.declare)((api, options) => {
-  var _options$assumeArray, _options$allowArrayLi, _api$assumption;
+var index = declare((api, options) => {
   api.assertVersion(7);
@@ -38,11 +73,6 @@ {
     }
-    {
-      if (allowArrayLike && /^7\.\d\./.test(api.version)) {
-        throw new Error(`The allowArrayLike is only supported when using @babel/core@^7.10.0`);
-      }
-    }
   }
-  const iterableIsArray = (_options$assumeArray = options.assumeArray) != null ? _options$assumeArray : !options.loose && api.assumption("iterableIsArray");
-  const arrayLikeIsIterable = (_options$allowArrayLi = options.allowArrayLike) != null ? _options$allowArrayLi : api.assumption("arrayLikeIsIterable");
-  const skipIteratorClosing = (_api$assumption = api.assumption("skipForOfIteratorClosing")) != null ? _api$assumption : options.loose;
+  const iterableIsArray = options.assumeArray ?? (!options.loose && api.assumption("iterableIsArray"));
+  const arrayLikeIsIterable = options.allowArrayLike ?? api.assumption("arrayLikeIsIterable");
+  const skipIteratorClosing = api.assumption("skipForOfIteratorClosing") ?? options.loose;
   if (iterableIsArray && arrayLikeIsIterable) {
@@ -69,17 +99,17 @@ throw new Error(`The "iterableIsArray" and "arrayLikeIsIterable" assumptions are not compatible.`);
           let array = scope.maybeGenerateMemoised(right, true);
-          const inits = [_core.types.variableDeclarator(i, _core.types.numericLiteral(0))];
+          const inits = [types.variableDeclarator(i, types.numericLiteral(0))];
           if (array) {
-            inits.push(_core.types.variableDeclarator(array, right));
+            inits.push(types.variableDeclarator(array, right));
           } else {
             array = right;
           }
-          const item = _core.types.memberExpression(_core.types.cloneNode(array), _core.types.cloneNode(i), true);
+          const item = types.memberExpression(types.cloneNode(array), types.cloneNode(i), true);
           let assignment;
-          if (_core.types.isVariableDeclaration(left)) {
+          if (types.isVariableDeclaration(left)) {
             assignment = left;
             assignment.declarations[0].init = item;
           } else {
-            assignment = _core.types.expressionStatement(_core.types.assignmentExpression("=", left, item));
+            assignment = types.expressionStatement(types.assignmentExpression("=", left, item));
           }
-          path.replaceWith(_core.types.forStatement(_core.types.variableDeclaration("let", inits), _core.types.binaryExpression("<", _core.types.cloneNode(i), _core.types.memberExpression(_core.types.cloneNode(array), _core.types.identifier("length"))), _core.types.updateExpression("++", _core.types.cloneNode(i)), buildLoopBody(path, assignment)));
+          path.replaceWith(types.forStatement(types.variableDeclaration("let", inits), types.binaryExpression("<", types.cloneNode(i), types.memberExpression(types.cloneNode(array), types.identifier("length"))), types.updateExpression("++", types.cloneNode(i)), buildLoopBody(path, assignment)));
         }
@@ -89,10 +119,10 @@ }
   }
-  const buildForOfArray = (0, _core.template)`
+  const buildForOfArray = template`
     for (var KEY = 0, NAME = ARR; KEY < NAME.length; KEY++) BODY;
   `;
-  const buildForOfNoIteratorClosing = _core.template.statements`
+  const buildForOfNoIteratorClosing = template.statements`
     for (var ITERATOR_HELPER = CREATE_ITERATOR_HELPER(OBJECT, ARRAY_LIKE_IS_ITERABLE), STEP_KEY;
         !(STEP_KEY = ITERATOR_HELPER()).done;) BODY;
   `;
-  const buildForOf = _core.template.statements`
+  const buildForOf = template.statements`
     var ITERATOR_HELPER = CREATE_ITERATOR_HELPER(OBJECT, ARRAY_LIKE_IS_ITERABLE), STEP_KEY;
@@ -129,11 +159,11 @@ try {
     });
-    _core.types.inherits(loop, node);
-    const iterationValue = _core.types.memberExpression(_core.types.cloneNode(right), _core.types.cloneNode(iterationKey), true);
+    types.inherits(loop, node);
+    const iterationValue = types.memberExpression(types.cloneNode(right), types.cloneNode(iterationKey), true);
     let declar;
     const left = node.left;
-    if (_core.types.isVariableDeclaration(left)) {
+    if (types.isVariableDeclaration(left)) {
       left.declarations[0].init = iterationValue;
       declar = left;
     } else {
-      declar = _core.types.expressionStatement(_core.types.assignmentExpression("=", left, iterationValue));
+      declar = types.expressionStatement(types.assignmentExpression("=", left, iterationValue));
     }
@@ -148,12 +178,6 @@ loop.body = buildLoopBody(path, declar, loop.body);
         const right = path.get("right");
-        if (right.isArrayExpression() || right.isGenericType("Array") || _core.types.isArrayTypeAnnotation(right.getTypeAnnotation())) {
+        if (right.isArrayExpression() || right.isGenericType("Array")) {
           path.replaceWith(_ForOfStatementArray(path));
           return;
         }
-        {
-          if (!state.availableHelper(builder.helper)) {
-            (0, _noHelperImplementation.default)(skipIteratorClosing, path, state);
-            return;
-          }
-        }
         const {
@@ -167,7 +191,7 @@ node,
         const stepKey = scope.generateUid("step");
-        const stepValue = _core.types.memberExpression(_core.types.identifier(stepKey), _core.types.identifier("value"));
-        if (_core.types.isVariableDeclaration(left)) {
-          declar = _core.types.variableDeclaration(left.kind, [_core.types.variableDeclarator(left.declarations[0].id, stepValue)]);
+        const stepValue = types.memberExpression(types.identifier(stepKey), types.identifier("value"));
+        if (types.isVariableDeclaration(left)) {
+          declar = types.variableDeclaration(left.kind, [types.variableDeclarator(left.declarations[0].id, stepValue)]);
         } else {
-          declar = _core.types.expressionStatement(_core.types.assignmentExpression("=", left, stepValue));
+          declar = types.expressionStatement(types.assignmentExpression("=", left, stepValue));
         }
@@ -177,4 +201,4 @@ const nodes = builder.build({
           ITERATOR_HELPER: scope.generateUidIdentifier("iterator"),
-          ARRAY_LIKE_IS_ITERABLE: arrayLikeIsIterable ? _core.types.booleanLiteral(true) : null,
-          STEP_KEY: _core.types.identifier(stepKey),
+          ARRAY_LIKE_IS_ITERABLE: arrayLikeIsIterable ? types.booleanLiteral(true) : null,
+          STEP_KEY: types.identifier(stepKey),
           OBJECT: node.right,
@@ -184,6 +208,6 @@ BODY: buildLoopBody(path, declar)
         const container = builder.getContainer(nodes);
-        _core.types.inherits(container[0], node);
-        _core.types.inherits(container[0].body, node.body);
-        if (_core.types.isLabeledStatement(parent)) {
-          container[0] = _core.types.labeledStatement(parent.label, container[0]);
+        types.inherits(container[0], node);
+        types.inherits(container[0].body, node.body);
+        if (types.isLabeledStatement(parent)) {
+          container[0] = types.labeledStatement(parent.label, container[0]);
           path.parentPath.replaceWithMultiple(nodes);
@@ -198,4 +222,4 @@ path.skip();
 });
-exports.default = _default;
 
+export { index as default };
 //# sourceMappingURL=index.js.map

lib/no-helper-implementation.js

@@ -1,9 +0,3 @@
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.default = transformWithoutHelper;
-var _core = require("@babel/core");
-function transformWithoutHelper(loose, path, state) {
+import { template, types as t } from "@babel/core";
+export default function transformWithoutHelper(loose, path, state) {
   const pushComputedProps = loose ? pushComputedPropsLoose : pushComputedPropsSpec;
@@ -22,4 +16,4 @@ const {
   block.body.push(...node.body.body);
-  _core.types.inherits(loop, node);
-  _core.types.inherits(loop.body, node.body);
+  t.inherits(loop, node);
+  t.inherits(loop.body, node.body);
   if (build.replaceParent) {
@@ -32,3 +26,3 @@ path.parentPath.replaceWithMultiple(build.node);
 }
-const buildForOfLoose = _core.template.statement(`
+const buildForOfLoose = template.statement(`
   for (var LOOP_OBJECT = OBJECT,
@@ -49,3 +43,3 @@ IS_ARRAY = Array.isArray(LOOP_OBJECT),
 `);
-const buildForOf = _core.template.statements(`
+const buildForOf = template.statements(`
   var ITERATOR_COMPLETION = true;
@@ -85,9 +79,9 @@ var ITERATOR_HAD_ERROR_KEY = false;
   let declar, id, intermediate;
-  if (_core.types.isIdentifier(left) || _core.types.isPattern(left) || _core.types.isMemberExpression(left)) {
+  if (t.isIdentifier(left) || t.isPattern(left) || t.isMemberExpression(left)) {
     id = left;
     intermediate = null;
-  } else if (_core.types.isVariableDeclaration(left)) {
+  } else if (t.isVariableDeclaration(left)) {
     id = scope.generateUidIdentifier("ref");
-    declar = _core.types.variableDeclaration(left.kind, [_core.types.variableDeclarator(left.declarations[0].id, _core.types.identifier(id.name))]);
-    intermediate = _core.types.variableDeclaration("var", [_core.types.variableDeclarator(_core.types.identifier(id.name))]);
+    declar = t.variableDeclaration(left.kind, [t.variableDeclarator(left.declarations[0].id, t.identifier(id.name))]);
+    intermediate = t.variableDeclaration("var", [t.variableDeclarator(t.identifier(id.name))]);
   } else {
@@ -106,6 +100,6 @@ throw state.buildCodeFrameError(left, `Unknown node type ${left.type} in ForStatement`);
   });
-  const isLabeledParent = _core.types.isLabeledStatement(parent);
+  const isLabeledParent = t.isLabeledStatement(parent);
   let labeled;
   if (isLabeledParent) {
-    labeled = _core.types.labeledStatement(parent.label, loop);
+    labeled = t.labeledStatement(parent.label, loop);
   }
@@ -128,7 +122,7 @@ return {
   const stepKey = scope.generateUid("step");
-  const stepValue = _core.types.memberExpression(_core.types.identifier(stepKey), _core.types.identifier("value"));
-  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)]);
+  const stepValue = t.memberExpression(t.identifier(stepKey), t.identifier("value"));
+  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)]);
   } else {
@@ -142,10 +136,10 @@ throw state.buildCodeFrameError(left, `Unknown node type ${left.type} in ForStatement`);
     ITERATOR_KEY: scope.generateUidIdentifier("iterator"),
-    STEP_KEY: _core.types.identifier(stepKey),
+    STEP_KEY: t.identifier(stepKey),
     OBJECT: node.right
   });
-  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);
   }
@@ -152,0 +146,0 @@ return {

package.json

 {
   "name": "@babel/plugin-transform-for-of",
-  "version": "7.22.5",
+  "version": "8.0.0-alpha.0",
   "description": "Compile ES2015 for...of to ES5",
@@ -20,16 +20,20 @@ "repository": {
   "dependencies": {
-    "@babel/helper-plugin-utils": "^7.22.5"
+    "@babel/helper-plugin-utils": "^8.0.0-alpha.0"
   },
   "peerDependencies": {
-    "@babel/core": "^7.0.0-0"
+    "@babel/core": "^8.0.0-alpha.0"
   },
   "devDependencies": {
-    "@babel/core": "^7.22.5",
-    "@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"
   },
   "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"
 }

README.md

@@ -5,3 +5,3 @@ # @babel/plugin-transform-for-of
 
-See our website [@babel/plugin-transform-for-of](https://babeljs.io/docs/en/babel-plugin-transform-for-of) for more information.
+See our website [@babel/plugin-transform-for-of](https://babeljs.io/docs/babel-plugin-transform-for-of) for more information.
 
@@ -8,0 +8,0 @@ ## Install

New alerts

No v1

Quality

Package is not semver >=1. This means it is not stable and does not support ^ ranges.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

49042

increased by13.39%

Lines of code

359

increased by5.28%

Is type module

Yes

Worsened metrics

Number of low quality alerts

1

increased byInfinity%

Dependency changes

• + Added@babel/code-frame@8.0.0-alpha.11(transitive)

• + Added@babel/compat-data@8.0.0-alpha.11(transitive)

• + Added@babel/core@8.0.0-alpha.11(transitive)

• + Added@babel/generator@8.0.0-alpha.11(transitive)

• + Added@babel/helper-compilation-targets@8.0.0-alpha.11(transitive)

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

• + Added@babel/helper-function-name@8.0.0-alpha.11(transitive)

• + Added@babel/helper-hoist-variables@8.0.0-alpha.11(transitive)

• + Added@babel/helper-plugin-utils@8.0.0-alpha.11(transitive)

• + Added@babel/helper-split-export-declaration@8.0.0-alpha.11(transitive)

• + Added@babel/helper-string-parser@8.0.0-alpha.11(transitive)

• + Added@babel/helper-validator-identifier@8.0.0-alpha.11(transitive)

• + Added@babel/helper-validator-option@8.0.0-alpha.11(transitive)

• + Added@babel/helpers@8.0.0-alpha.11(transitive)

• + Added@babel/highlight@8.0.0-alpha.11(transitive)

• + Added@babel/parser@8.0.0-alpha.11(transitive)

• + Added@babel/template@8.0.0-alpha.11(transitive)

• + Added@babel/traverse@8.0.0-alpha.11(transitive)

• + Added@babel/types@8.0.0-alpha.11(transitive)

• + Addedglobals@13.24.0(transitive)

• + Addedjs-tokens@8.0.3(transitive)

• + Addedjsesc@3.0.2(transitive)

• + Addedlru-cache@7.18.3(transitive)

• + Addedsemver@7.6.2(transitive)

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

• + Addedtype-fest@0.20.2(transitive)

• - Removed@babel/code-frame@7.24.7(transitive)

• - Removed@babel/compat-data@7.24.7(transitive)

• - Removed@babel/core@7.24.7(transitive)

• - Removed@babel/generator@7.24.7(transitive)

• - Removed@babel/helper-compilation-targets@7.24.7(transitive)

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

• - Removed@babel/helper-function-name@7.24.7(transitive)

• - Removed@babel/helper-hoist-variables@7.24.7(transitive)

• - Removed@babel/helper-module-imports@7.24.7(transitive)

• - Removed@babel/helper-module-transforms@7.24.7(transitive)

• - Removed@babel/helper-plugin-utils@7.24.7(transitive)

• - Removed@babel/helper-simple-access@7.24.7(transitive)

• - Removed@babel/helper-split-export-declaration@7.24.7(transitive)

• - Removed@babel/helper-string-parser@7.24.7(transitive)

• - Removed@babel/helper-validator-identifier@7.24.7(transitive)

• - Removed@babel/helper-validator-option@7.24.7(transitive)

• - Removed@babel/helpers@7.24.7(transitive)

• - Removed@babel/highlight@7.24.7(transitive)

• - Removed@babel/parser@7.24.7(transitive)

• - Removed@babel/template@7.24.7(transitive)

• - Removed@babel/traverse@7.24.7(transitive)

• - Removed@babel/types@7.24.7(transitive)

• - Removedansi-styles@3.2.1(transitive)

• - Removedchalk@2.4.2(transitive)

• - Removedcolor-convert@1.9.3(transitive)

• - Removedcolor-name@1.1.3(transitive)

• - Removedescape-string-regexp@1.0.5(transitive)

• - Removedglobals@11.12.0(transitive)

• - Removedhas-flag@3.0.0(transitive)

• - Removedjs-tokens@4.0.0(transitive)

• - Removedjsesc@2.5.2(transitive)

• - Removedlru-cache@5.1.1(transitive)

• - Removedsemver@6.3.1(transitive)

• - Removedsupports-color@5.5.0(transitive)

• - Removedto-fast-properties@2.0.0(transitive)

• - Removedyallist@3.1.1(transitive)

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