@babel/plugin-proposal-pipeline-operator - npm Package Compare versions

Comparing version 7.22.5 to 8.0.0-alpha.0

lib/buildOptimizedSequenceExpression.js

@@ -1,10 +0,4 @@
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.default = void 0;
-var _core = require("@babel/core");
+import { types as t } from "@babel/core";
 function isConciseArrowExpression(node) {
-  return _core.types.isArrowFunctionExpression(node) && _core.types.isExpression(node.body) && !node.async;
+  return t.isArrowFunctionExpression(node) && t.isExpression(node.body) && !node.async;
 }
@@ -20,3 +14,3 @@ const buildOptimizedSequenceExpression = ({
   const pipelineLeft = path.node.left;
-  const assign = _core.types.assignmentExpression("=", _core.types.cloneNode(placeholder), pipelineLeft);
+  const assign = t.assignmentExpression("=", t.cloneNode(placeholder), pipelineLeft);
   const expressionIsArrow = isConciseArrowExpression(calledExpression);
@@ -29,3 +23,3 @@ if (expressionIsArrow) {
     } = calledExpression;
-    if (params.length === 1 && _core.types.isIdentifier(params[0])) {
+    if (params.length === 1 && t.isIdentifier(params[0])) {
       param = params[0];
@@ -36,24 +30,23 @@ } else if (params.length > 0) {
     if (optimizeArrow && !param) {
-      return _core.types.sequenceExpression([pipelineLeft, calledExpression.body]);
+      return t.sequenceExpression([pipelineLeft, calledExpression.body]);
     } else if (param) {
       path.scope.push({
-        id: _core.types.cloneNode(placeholder)
+        id: t.cloneNode(placeholder)
       });
       path.get("right").scope.rename(param.name, placeholder.name);
-      return _core.types.sequenceExpression([assign, calledExpression.body]);
+      return t.sequenceExpression([assign, calledExpression.body]);
     }
-  } else if (_core.types.isIdentifier(calledExpression, {
+  } else if (t.isIdentifier(calledExpression, {
     name: "eval"
   })) {
-    const evalSequence = _core.types.sequenceExpression([_core.types.numericLiteral(0), calledExpression]);
+    const evalSequence = t.sequenceExpression([t.numericLiteral(0), calledExpression]);
     call.callee = evalSequence;
   }
   path.scope.push({
-    id: _core.types.cloneNode(placeholder)
+    id: t.cloneNode(placeholder)
   });
-  return _core.types.sequenceExpression([assign, call]);
+  return t.sequenceExpression([assign, call]);
 };
-var _default = buildOptimizedSequenceExpression;
-exports.default = _default;
+export default buildOptimizedSequenceExpression;
 
 //# sourceMappingURL=buildOptimizedSequenceExpression.js.map

lib/fsharpVisitor.js

@@ -1,9 +0,3 @@
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.default = void 0;
-var _core = require("@babel/core");
-var _buildOptimizedSequenceExpression = require("./buildOptimizedSequenceExpression");
+import { types as t } from "@babel/core";
+import buildOptimizedSequenceExpression from "./buildOptimizedSequenceExpression.js";
 const fsharpVisitor = {
@@ -22,4 +16,4 @@ BinaryExpression(path) {
     const placeholder = scope.generateUidIdentifierBasedOnNode(left);
-    const call = right.type === "AwaitExpression" ? _core.types.awaitExpression(_core.types.cloneNode(placeholder)) : _core.types.callExpression(right, [_core.types.cloneNode(placeholder)]);
-    const sequence = (0, _buildOptimizedSequenceExpression.default)({
+    const call = right.type === "AwaitExpression" ? t.awaitExpression(t.cloneNode(placeholder)) : t.callExpression(right, [t.cloneNode(placeholder)]);
+    const sequence = buildOptimizedSequenceExpression({
       placeholder,
@@ -32,5 +26,4 @@ call,
 };
-var _default = fsharpVisitor;
-exports.default = _default;
+export default fsharpVisitor;
 
 //# sourceMappingURL=fsharpVisitor.js.map

lib/hackVisitor.js

@@ -1,8 +0,2 @@
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.default = void 0;
-var _core = require("@babel/core");
+import { types as t } from "@babel/core";
 const topicReferenceVisitor = {
@@ -53,10 +47,9 @@ exit(path, state) {
       });
-      visitorState.topicReferences.forEach(path => path.replaceWith(_core.types.cloneNode(topicVariable)));
-      path.replaceWith(_core.types.sequenceExpression([_core.types.assignmentExpression("=", _core.types.cloneNode(topicVariable), node.left), node.right]));
+      visitorState.topicReferences.forEach(path => path.replaceWith(t.cloneNode(topicVariable)));
+      path.replaceWith(t.sequenceExpression([t.assignmentExpression("=", t.cloneNode(topicVariable), node.left), node.right]));
     }
   }
 };
-var _default = visitor;
-exports.default = _default;
+export default visitor;
 
 //# sourceMappingURL=hackVisitor.js.map

lib/index.js

@@ -1,20 +0,199 @@
-"use strict";
+import { declare } from '@babel/helper-plugin-utils';
+import syntaxPipelineOperator from '@babel/plugin-syntax-pipeline-operator';
+import { types } from '@babel/core';
 
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.default = void 0;
-var _helperPluginUtils = require("@babel/helper-plugin-utils");
-var _pluginSyntaxPipelineOperator = require("@babel/plugin-syntax-pipeline-operator");
-var _minimalVisitor = require("./minimalVisitor");
-var _hackVisitor = require("./hackVisitor");
-var _fsharpVisitor = require("./fsharpVisitor");
-var _smartVisitor = require("./smartVisitor");
+function isConciseArrowExpression(node) {
+  return types.isArrowFunctionExpression(node) && types.isExpression(node.body) && !node.async;
+}
+const buildOptimizedSequenceExpression = ({
+  call,
+  path,
+  placeholder
+}) => {
+  const {
+    callee: calledExpression
+  } = call;
+  const pipelineLeft = path.node.left;
+  const assign = types.assignmentExpression("=", types.cloneNode(placeholder), pipelineLeft);
+  const expressionIsArrow = isConciseArrowExpression(calledExpression);
+  if (expressionIsArrow) {
+    let param;
+    let optimizeArrow = true;
+    const {
+      params
+    } = calledExpression;
+    if (params.length === 1 && types.isIdentifier(params[0])) {
+      param = params[0];
+    } else if (params.length > 0) {
+      optimizeArrow = false;
+    }
+    if (optimizeArrow && !param) {
+      return types.sequenceExpression([pipelineLeft, calledExpression.body]);
+    } else if (param) {
+      path.scope.push({
+        id: types.cloneNode(placeholder)
+      });
+      path.get("right").scope.rename(param.name, placeholder.name);
+      return types.sequenceExpression([assign, calledExpression.body]);
+    }
+  } else if (types.isIdentifier(calledExpression, {
+    name: "eval"
+  })) {
+    const evalSequence = types.sequenceExpression([types.numericLiteral(0), calledExpression]);
+    call.callee = evalSequence;
+  }
+  path.scope.push({
+    id: types.cloneNode(placeholder)
+  });
+  return types.sequenceExpression([assign, call]);
+};
+
+const minimalVisitor = {
+  BinaryExpression(path) {
+    const {
+      scope,
+      node
+    } = path;
+    const {
+      operator,
+      left,
+      right
+    } = node;
+    if (operator !== "|>") return;
+    const placeholder = scope.generateUidIdentifierBasedOnNode(left);
+    const call = types.callExpression(right, [types.cloneNode(placeholder)]);
+    path.replaceWith(buildOptimizedSequenceExpression({
+      placeholder,
+      call,
+      path: path
+    }));
+  }
+};
+
+const topicReferenceVisitor = {
+  exit(path, state) {
+    if (path.isTopicReference()) {
+      state.topicReferences.push(path);
+    } else {
+      if (state.topicReferences.length === 0 && !state.sideEffectsBeforeFirstTopicReference && !path.isPure()) {
+        state.sideEffectsBeforeFirstTopicReference = true;
+      }
+    }
+  },
+  "ClassBody|Function"(_, state) {
+    if (state.topicReferences.length === 0) {
+      state.sideEffectsBeforeFirstTopicReference = true;
+    }
+  }
+};
+const visitor = {
+  BinaryExpression: {
+    exit(path) {
+      const {
+        scope,
+        node
+      } = path;
+      if (node.operator !== "|>") {
+        return;
+      }
+      const pipeBodyPath = path.get("right");
+      if (pipeBodyPath.node.type === "TopicReference") {
+        path.replaceWith(node.left);
+        return;
+      }
+      const visitorState = {
+        topicReferences: [],
+        sideEffectsBeforeFirstTopicReference: pipeBodyPath.isFunction()
+      };
+      pipeBodyPath.traverse(topicReferenceVisitor, visitorState);
+      if (visitorState.topicReferences.length === 1 && (!visitorState.sideEffectsBeforeFirstTopicReference || path.scope.isPure(node.left, true))) {
+        visitorState.topicReferences[0].replaceWith(node.left);
+        path.replaceWith(node.right);
+        return;
+      }
+      const topicVariable = scope.generateUidIdentifierBasedOnNode(node);
+      scope.push({
+        id: topicVariable
+      });
+      visitorState.topicReferences.forEach(path => path.replaceWith(types.cloneNode(topicVariable)));
+      path.replaceWith(types.sequenceExpression([types.assignmentExpression("=", types.cloneNode(topicVariable), node.left), node.right]));
+    }
+  }
+};
+
+const fsharpVisitor = {
+  BinaryExpression(path) {
+    const {
+      scope,
+      node
+    } = path;
+    const {
+      operator,
+      left,
+      right
+    } = node;
+    if (operator !== "|>") return;
+    const placeholder = scope.generateUidIdentifierBasedOnNode(left);
+    const call = right.type === "AwaitExpression" ? types.awaitExpression(types.cloneNode(placeholder)) : types.callExpression(right, [types.cloneNode(placeholder)]);
+    const sequence = buildOptimizedSequenceExpression({
+      placeholder,
+      call,
+      path: path
+    });
+    path.replaceWith(sequence);
+  }
+};
+
+const updateTopicReferenceVisitor = {
+  PipelinePrimaryTopicReference(path) {
+    path.replaceWith(types.cloneNode(this.topicId));
+  },
+  PipelineTopicExpression(path) {
+    path.skip();
+  }
+};
+const smartVisitor = {
+  BinaryExpression(path) {
+    const {
+      scope
+    } = path;
+    const {
+      node
+    } = path;
+    const {
+      operator,
+      left,
+      right
+    } = node;
+    if (operator !== "|>") return;
+    const placeholder = scope.generateUidIdentifierBasedOnNode(left);
+    scope.push({
+      id: placeholder
+    });
+    let call;
+    if (types.isPipelineTopicExpression(right)) {
+      path.get("right").traverse(updateTopicReferenceVisitor, {
+        topicId: placeholder
+      });
+      call = right.expression;
+    } else {
+      let callee = right.callee;
+      if (types.isIdentifier(callee, {
+        name: "eval"
+      })) {
+        callee = types.sequenceExpression([types.numericLiteral(0), callee]);
+      }
+      call = types.callExpression(callee, [types.cloneNode(placeholder)]);
+    }
+    path.replaceWith(types.sequenceExpression([types.assignmentExpression("=", types.cloneNode(placeholder), left), call]));
+  }
+};
+
 const visitorsPerProposal = {
-  minimal: _minimalVisitor.default,
-  hack: _hackVisitor.default,
-  fsharp: _fsharpVisitor.default,
-  smart: _smartVisitor.default
+  minimal: minimalVisitor,
+  hack: visitor,
+  fsharp: fsharpVisitor,
+  smart: smartVisitor
 };
-var _default = (0, _helperPluginUtils.declare)((api, options) => {
+var index = declare((api, options) => {
   api.assertVersion(7);
@@ -29,8 +208,8 @@ const {
     name: "proposal-pipeline-operator",
-    inherits: _pluginSyntaxPipelineOperator.default,
+    inherits: syntaxPipelineOperator,
     visitor: visitorsPerProposal[options.proposal]
   };
 });
-exports.default = _default;
 
+export { index as default };
 //# sourceMappingURL=index.js.map

lib/minimalVisitor.js

@@ -1,9 +0,3 @@
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.default = void 0;
-var _core = require("@babel/core");
-var _buildOptimizedSequenceExpression = require("./buildOptimizedSequenceExpression");
+import { types as t } from "@babel/core";
+import buildOptimizedSequenceExpression from "./buildOptimizedSequenceExpression.js";
 const minimalVisitor = {
@@ -22,4 +16,4 @@ BinaryExpression(path) {
     const placeholder = scope.generateUidIdentifierBasedOnNode(left);
-    const call = _core.types.callExpression(right, [_core.types.cloneNode(placeholder)]);
-    path.replaceWith((0, _buildOptimizedSequenceExpression.default)({
+    const call = t.callExpression(right, [t.cloneNode(placeholder)]);
+    path.replaceWith(buildOptimizedSequenceExpression({
       placeholder,
@@ -31,5 +25,4 @@ call,
 };
-var _default = minimalVisitor;
-exports.default = _default;
+export default minimalVisitor;
 
 //# sourceMappingURL=minimalVisitor.js.map

lib/smartVisitor.js

@@ -1,11 +0,5 @@
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.default = void 0;
-var _core = require("@babel/core");
+import { types as t } from "@babel/core";
 const updateTopicReferenceVisitor = {
   PipelinePrimaryTopicReference(path) {
-    path.replaceWith(_core.types.cloneNode(this.topicId));
+    path.replaceWith(t.cloneNode(this.topicId));
   },
@@ -35,3 +29,3 @@ PipelineTopicExpression(path) {
     let call;
-    if (_core.types.isPipelineTopicExpression(right)) {
+    if (t.isPipelineTopicExpression(right)) {
       path.get("right").traverse(updateTopicReferenceVisitor, {
@@ -43,15 +37,14 @@ topicId: placeholder
       let callee = right.callee;
-      if (_core.types.isIdentifier(callee, {
+      if (t.isIdentifier(callee, {
         name: "eval"
       })) {
-        callee = _core.types.sequenceExpression([_core.types.numericLiteral(0), callee]);
+        callee = t.sequenceExpression([t.numericLiteral(0), callee]);
       }
-      call = _core.types.callExpression(callee, [_core.types.cloneNode(placeholder)]);
+      call = t.callExpression(callee, [t.cloneNode(placeholder)]);
     }
-    path.replaceWith(_core.types.sequenceExpression([_core.types.assignmentExpression("=", _core.types.cloneNode(placeholder), left), call]));
+    path.replaceWith(t.sequenceExpression([t.assignmentExpression("=", t.cloneNode(placeholder), left), call]));
   }
 };
-var _default = smartVisitor;
-exports.default = _default;
+export default smartVisitor;
 
 //# sourceMappingURL=smartVisitor.js.map

package.json

 {
   "name": "@babel/plugin-proposal-pipeline-operator",
-  "version": "7.22.5",
+  "version": "8.0.0-alpha.0",
   "description": "Transform pipeline operator into call expressions",
@@ -20,17 +20,21 @@ "repository": {
   "dependencies": {
-    "@babel/helper-plugin-utils": "^7.22.5",
-    "@babel/plugin-syntax-pipeline-operator": "^7.22.5"
+    "@babel/helper-plugin-utils": "^8.0.0-alpha.0",
+    "@babel/plugin-syntax-pipeline-operator": "^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-proposal-pipeline-operator
 
-See our website [@babel/plugin-proposal-pipeline-operator](https://babeljs.io/docs/en/babel-plugin-proposal-pipeline-operator) for more information.
+See our website [@babel/plugin-proposal-pipeline-operator](https://babeljs.io/docs/babel-plugin-proposal-pipeline-operator) for more information.
 
@@ -8,0 +8,0 @@ ## Install

New alerts

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License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

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Quality

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

Found 1 instance in 1 package

Fixed alerts

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License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

50383

increased by65.92%

Lines of code

406

increased by54.96%

Is type module

Yes

Worsened metrics

Number of low quality alerts

1

increased byInfinity%

Dependency changes

• + Added@babel/code-frame@8.0.0-alpha.13(transitive)

• + Added@babel/compat-data@8.0.0-alpha.13(transitive)

• + Added@babel/core@8.0.0-alpha.13(transitive)

• + Added@babel/generator@8.0.0-alpha.13(transitive)

• + Added@babel/helper-compilation-targets@8.0.0-alpha.13(transitive)

• + Added@babel/helper-plugin-utils@8.0.0-alpha.13(transitive)

• + Added@babel/helper-string-parser@8.0.0-alpha.13(transitive)

• + Added@babel/helper-validator-identifier@8.0.0-alpha.13(transitive)

• + Added@babel/helper-validator-option@8.0.0-alpha.13(transitive)

• + Added@babel/helpers@8.0.0-alpha.13(transitive)

• + Added@babel/parser@8.0.0-alpha.13(transitive)

• + Added@babel/plugin-syntax-pipeline-operator@8.0.0-alpha.13(transitive)

• + Added@babel/template@8.0.0-alpha.13(transitive)

• + Added@babel/traverse@8.0.0-alpha.13(transitive)

• + Added@babel/types@8.0.0-alpha.13(transitive)

• + Addedcaniuse-lite@1.0.30001680(transitive)

• + Addedelectron-to-chromium@1.5.57(transitive)

• + Addedglobals@15.12.0(transitive)

• + Addedjs-tokens@8.0.3(transitive)

• + Addedlru-cache@7.18.3(transitive)

• + Addedsemver@7.6.3(transitive)

• - Removed@babel/code-frame@7.26.2(transitive)

• - Removed@babel/compat-data@7.26.2(transitive)

• - Removed@babel/core@7.26.0(transitive)

• - Removed@babel/generator@7.26.2(transitive)

• - Removed@babel/helper-compilation-targets@7.25.9(transitive)

• - Removed@babel/helper-module-imports@7.25.9(transitive)

• - Removed@babel/helper-module-transforms@7.26.0(transitive)

• - Removed@babel/helper-plugin-utils@7.25.9(transitive)

• - Removed@babel/helper-string-parser@7.25.9(transitive)

• - Removed@babel/helper-validator-identifier@7.25.9(transitive)

• - Removed@babel/helper-validator-option@7.25.9(transitive)

• - Removed@babel/helpers@7.26.0(transitive)

• - Removed@babel/parser@7.26.2(transitive)

• - Removed@babel/plugin-syntax-pipeline-operator@7.25.9(transitive)

• - Removed@babel/template@7.25.9(transitive)

• - Removed@babel/traverse@7.25.9(transitive)

• - Removed@babel/types@7.26.0(transitive)

• - Removedcaniuse-lite@1.0.30001679(transitive)

• - Removedelectron-to-chromium@1.5.55(transitive)

• - Removedglobals@11.12.0(transitive)

• - Removedjs-tokens@4.0.0(transitive)

• - Removedlru-cache@5.1.1(transitive)

• - Removedsemver@6.3.1(transitive)

• - Removedyallist@3.1.1(transitive)

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

• Updated@babel/plugin-syntax-pipeline-operator@^8.0.0-alpha.0