@clayroach/unplugin - npm Package Compare versions

Comparing version 0.1.0-source-trace.3 to 0.1.0-source-trace.4

dist/cjs/transformers/annotateEffects.js

+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.annotateEffectsTransformer = annotateEffectsTransformer;
+exports.createAnnotateEffectsVisitor = createAnnotateEffectsVisitor;
+const PURE_ANNOTATION = "#__PURE__";
+/**
+ * Checks if a node already has a PURE annotation.
+ */
+function isPureAnnotated(node) {
+  const leadingComments = node.leadingComments;
+  if (!leadingComments) {
+    return false;
+  }
+  return leadingComments.some(comment => /[@#]__PURE__/.test(comment.value));
+}
+/**
+ * Adds a PURE annotation comment to a node.
+ */
+function annotateAsPure(path) {
+  if (isPureAnnotated(path.node)) {
+    return;
+  }
+  path.addComment("leading", PURE_ANNOTATION);
+}
+/**
+ * Checks if the parent is a CallExpression or NewExpression.
+ */
+function hasCallableParent(path) {
+  const parentPath = path.parentPath;
+  if (!parentPath) return false;
+  return parentPath.isCallExpression() || parentPath.isNewExpression();
+}
+/**
+ * Checks if this node is used as a callee (e.g., `foo()` where foo is the callee).
+ */
+function isUsedAsCallee(path) {
+  if (!hasCallableParent(path)) {
+    return false;
+  }
+  const parentPath = path.parentPath;
+  return parentPath.get("callee") === path;
+}
+/**
+ * Checks if this node is inside a callee chain (e.g., `foo()()` or `foo.bar()`).
+ */
+function isInCallee(path) {
+  let current = path;
+  do {
+    current = current.parentPath;
+    if (!current) return false;
+    if (isUsedAsCallee(current)) {
+      return true;
+    }
+  } while (!current.isStatement() && !current.isFunction());
+  return false;
+}
+/**
+ * Checks if this expression is executed during module initialization
+ * (not inside a function that isn't immediately invoked).
+ */
+function isExecutedDuringInitialization(path) {
+  let functionParent = path.getFunctionParent();
+  while (functionParent) {
+    if (!isUsedAsCallee(functionParent)) {
+      return false;
+    }
+    functionParent = functionParent.getFunctionParent();
+  }
+  return true;
+}
+/**
+ * Checks if this expression is in an assignment context
+ * (variable declaration, assignment expression, or class).
+ */
+function isInAssignmentContext(path) {
+  const statement = path.getStatementParent();
+  if (!statement) return false;
+  let currentPath = path;
+  do {
+    currentPath = currentPath.parentPath;
+    if (!currentPath) return false;
+    if (currentPath.isVariableDeclaration() || currentPath.isAssignmentExpression() || currentPath.isClass()) {
+      return true;
+    }
+  } while (currentPath !== statement);
+  return false;
+}
+/**
+ * Visitor function for CallExpression and NewExpression nodes.
+ */
+function callableExpressionVisitor(path, _state) {
+  // Skip if this is used as a callee (e.g., foo()())
+  if (isUsedAsCallee(path)) {
+    return;
+  }
+  // Skip if this is inside a callee chain
+  if (isInCallee(path)) {
+    return;
+  }
+  // Skip if not executed during initialization
+  if (!isExecutedDuringInitialization(path)) {
+    return;
+  }
+  // Must be in assignment context or export default
+  const statement = path.getStatementParent();
+  if (!isInAssignmentContext(path) && !statement?.isExportDefaultDeclaration()) {
+    return;
+  }
+  annotateAsPure(path);
+}
+/**
+ * Creates a Babel visitor that adds PURE annotations to call expressions.
+ */
+function createAnnotateEffectsVisitor(filename, _options) {
+  return {
+    Program: {
+      enter(_path, state) {
+        state.filename = filename;
+      }
+    },
+    CallExpression(path, state) {
+      callableExpressionVisitor(path, state);
+    },
+    NewExpression(path, state) {
+      callableExpressionVisitor(path, state);
+    }
+  };
+}
+/**
+ * Creates the annotate effects transformer plugin.
+ */
+function annotateEffectsTransformer(options) {
+  return {
+    name: "effect-annotate-pure-calls",
+    visitor: createAnnotateEffectsVisitor("", options)
+  };
+}
+//# sourceMappingURL=annotateEffects.js.map

dist/cjs/transformers/annotateEffects.js.map

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dist/dts/transformers/annotateEffects.d.ts

+/**
+ * Pure call annotation transformer.
+ *
+ * This transformer adds `#__PURE__` comments to call expressions for better tree-shaking.
+ * It replicates the behavior of `babel-plugin-annotate-pure-calls` but integrated into
+ * the Effect unplugin.
+ *
+ * The `#__PURE__` annotation tells bundlers (Webpack, Rollup, esbuild) that a function call
+ * has no side effects and can be safely removed if the result is unused.
+ *
+ * @since 0.1.0
+ */
+import type { Visitor } from "@babel/traverse";
+/**
+ * Options for the annotate effects transformer.
+ */
+export interface AnnotateEffectsOptions {
+    /**
+     * Filter function to determine if a file should be transformed.
+     */
+    readonly filter?: (filename: string) => boolean;
+}
+/**
+ * State passed through the transformer.
+ */
+interface TransformState {
+    filename: string;
+}
+/**
+ * Creates a Babel visitor that adds PURE annotations to call expressions.
+ */
+export declare function createAnnotateEffectsVisitor(filename: string, _options?: AnnotateEffectsOptions): Visitor<TransformState>;
+/**
+ * Creates the annotate effects transformer plugin.
+ */
+export declare function annotateEffectsTransformer(options?: AnnotateEffectsOptions): {
+    visitor: Visitor<TransformState>;
+    name: string;
+};
+export {};
+//# sourceMappingURL=annotateEffects.d.ts.map

dist/dts/transformers/annotateEffects.d.ts.map

+{"version":3,"file":"annotateEffects.d.ts","sourceRoot":"","sources":["../../../src/transformers/annotateEffects.ts"],"names":[],"mappings":"AAAA;;;;;;;;;;;GAWG;AACH,OAAO,KAAK,EAAY,OAAO,EAAE,MAAM,iBAAiB,CAAA;AAGxD;;GAEG;AACH,MAAM,WAAW,sBAAsB;IACrC;;OAEG;IACH,QAAQ,CAAC,MAAM,CAAC,EAAE,CAAC,QAAQ,EAAE,MAAM,KAAK,OAAO,CAAA;CAChD;AAED;;GAEG;AACH,UAAU,cAAc;IACtB,QAAQ,EAAE,MAAM,CAAA;CACjB;AAmID;;GAEG;AACH,wBAAgB,4BAA4B,CAC1C,QAAQ,EAAE,MAAM,EAChB,QAAQ,CAAC,EAAE,sBAAsB,GAChC,OAAO,CAAC,cAAc,CAAC,CAgBzB;AAED;;GAEG;AACH,wBAAgB,0BAA0B,CAAC,OAAO,CAAC,EAAE,sBAAsB,GAAG;IAC5E,OAAO,EAAE,OAAO,CAAC,cAAc,CAAC,CAAA;IAChC,IAAI,EAAE,MAAM,CAAA;CACb,CAKA"}

dist/esm/transformers/annotateEffects.js

+const PURE_ANNOTATION = "#__PURE__";
+/**
+ * Checks if a node already has a PURE annotation.
+ */
+function isPureAnnotated(node) {
+    const leadingComments = node.leadingComments;
+    if (!leadingComments) {
+        return false;
+    }
+    return leadingComments.some((comment) => /[@#]__PURE__/.test(comment.value));
+}
+/**
+ * Adds a PURE annotation comment to a node.
+ */
+function annotateAsPure(path) {
+    if (isPureAnnotated(path.node)) {
+        return;
+    }
+    path.addComment("leading", PURE_ANNOTATION);
+}
+/**
+ * Checks if the parent is a CallExpression or NewExpression.
+ */
+function hasCallableParent(path) {
+    const parentPath = path.parentPath;
+    if (!parentPath)
+        return false;
+    return parentPath.isCallExpression() || parentPath.isNewExpression();
+}
+/**
+ * Checks if this node is used as a callee (e.g., `foo()` where foo is the callee).
+ */
+function isUsedAsCallee(path) {
+    if (!hasCallableParent(path)) {
+        return false;
+    }
+    const parentPath = path.parentPath;
+    return parentPath.get("callee") === path;
+}
+/**
+ * Checks if this node is inside a callee chain (e.g., `foo()()` or `foo.bar()`).
+ */
+function isInCallee(path) {
+    let current = path;
+    do {
+        current = current.parentPath;
+        if (!current)
+            return false;
+        if (isUsedAsCallee(current)) {
+            return true;
+        }
+    } while (!current.isStatement() && !current.isFunction());
+    return false;
+}
+/**
+ * Checks if this expression is executed during module initialization
+ * (not inside a function that isn't immediately invoked).
+ */
+function isExecutedDuringInitialization(path) {
+    let functionParent = path.getFunctionParent();
+    while (functionParent) {
+        if (!isUsedAsCallee(functionParent)) {
+            return false;
+        }
+        functionParent = functionParent.getFunctionParent();
+    }
+    return true;
+}
+/**
+ * Checks if this expression is in an assignment context
+ * (variable declaration, assignment expression, or class).
+ */
+function isInAssignmentContext(path) {
+    const statement = path.getStatementParent();
+    if (!statement)
+        return false;
+    let currentPath = path;
+    do {
+        currentPath = currentPath.parentPath;
+        if (!currentPath)
+            return false;
+        if (currentPath.isVariableDeclaration() ||
+            currentPath.isAssignmentExpression() ||
+            currentPath.isClass()) {
+            return true;
+        }
+    } while (currentPath !== statement);
+    return false;
+}
+/**
+ * Visitor function for CallExpression and NewExpression nodes.
+ */
+function callableExpressionVisitor(path, _state) {
+    // Skip if this is used as a callee (e.g., foo()())
+    if (isUsedAsCallee(path)) {
+        return;
+    }
+    // Skip if this is inside a callee chain
+    if (isInCallee(path)) {
+        return;
+    }
+    // Skip if not executed during initialization
+    if (!isExecutedDuringInitialization(path)) {
+        return;
+    }
+    // Must be in assignment context or export default
+    const statement = path.getStatementParent();
+    if (!isInAssignmentContext(path) && !statement?.isExportDefaultDeclaration()) {
+        return;
+    }
+    annotateAsPure(path);
+}
+/**
+ * Creates a Babel visitor that adds PURE annotations to call expressions.
+ */
+export function createAnnotateEffectsVisitor(filename, _options) {
+    return {
+        Program: {
+            enter(_path, state) {
+                state.filename = filename;
+            }
+        },
+        CallExpression(path, state) {
+            callableExpressionVisitor(path, state);
+        },
+        NewExpression(path, state) {
+            callableExpressionVisitor(path, state);
+        }
+    };
+}
+/**
+ * Creates the annotate effects transformer plugin.
+ */
+export function annotateEffectsTransformer(options) {
+    return {
+        name: "effect-annotate-pure-calls",
+        visitor: createAnnotateEffectsVisitor("", options)
+    };
+}
+//# sourceMappingURL=annotateEffects.js.map

dist/esm/transformers/annotateEffects.js.map

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src/transformers/annotateEffects.ts

+/**
+ * Pure call annotation transformer.
+ *
+ * This transformer adds `#__PURE__` comments to call expressions for better tree-shaking.
+ * It replicates the behavior of `babel-plugin-annotate-pure-calls` but integrated into
+ * the Effect unplugin.
+ *
+ * The `#__PURE__` annotation tells bundlers (Webpack, Rollup, esbuild) that a function call
+ * has no side effects and can be safely removed if the result is unused.
+ *
+ * @since 0.1.0
+ */
+import type { NodePath, Visitor } from "@babel/traverse"
+import * as t from "@babel/types"
+
+/**
+ * Options for the annotate effects transformer.
+ */
+export interface AnnotateEffectsOptions {
+  /**
+   * Filter function to determine if a file should be transformed.
+   */
+  readonly filter?: (filename: string) => boolean
+}
+
+/**
+ * State passed through the transformer.
+ */
+interface TransformState {
+  filename: string
+}
+
+const PURE_ANNOTATION = "#__PURE__"
+
+/**
+ * Checks if a node already has a PURE annotation.
+ */
+function isPureAnnotated(node: t.Node): boolean {
+  const leadingComments = node.leadingComments
+  if (!leadingComments) {
+    return false
+  }
+  return leadingComments.some((comment) => /[@#]__PURE__/.test(comment.value))
+}
+
+/**
+ * Adds a PURE annotation comment to a node.
+ */
+function annotateAsPure(path: NodePath<t.CallExpression | t.NewExpression>): void {
+  if (isPureAnnotated(path.node)) {
+    return
+  }
+  path.addComment("leading", PURE_ANNOTATION)
+}
+
+/**
+ * Checks if the parent is a CallExpression or NewExpression.
+ */
+function hasCallableParent(path: NodePath): boolean {
+  const parentPath = path.parentPath
+  if (!parentPath) return false
+  return parentPath.isCallExpression() || parentPath.isNewExpression()
+}
+
+/**
+ * Checks if this node is used as a callee (e.g., `foo()` where foo is the callee).
+ */
+function isUsedAsCallee(path: NodePath): boolean {
+  if (!hasCallableParent(path)) {
+    return false
+  }
+  const parentPath = path.parentPath as NodePath<t.CallExpression | t.NewExpression>
+  return parentPath.get("callee") === path
+}
+
+/**
+ * Checks if this node is inside a callee chain (e.g., `foo()()` or `foo.bar()`).
+ */
+function isInCallee(path: NodePath): boolean {
+  let current: NodePath | null = path
+  do {
+    current = current.parentPath
+    if (!current) return false
+    if (isUsedAsCallee(current)) {
+      return true
+    }
+  } while (!current.isStatement() && !current.isFunction())
+  return false
+}
+
+/**
+ * Checks if this expression is executed during module initialization
+ * (not inside a function that isn't immediately invoked).
+ */
+function isExecutedDuringInitialization(path: NodePath): boolean {
+  let functionParent = path.getFunctionParent()
+  while (functionParent) {
+    if (!isUsedAsCallee(functionParent)) {
+      return false
+    }
+    functionParent = functionParent.getFunctionParent()
+  }
+  return true
+}
+
+/**
+ * Checks if this expression is in an assignment context
+ * (variable declaration, assignment expression, or class).
+ */
+function isInAssignmentContext(path: NodePath): boolean {
+  const statement = path.getStatementParent()
+  if (!statement) return false
+
+  let currentPath: NodePath | null = path
+  do {
+    currentPath = currentPath.parentPath
+    if (!currentPath) return false
+
+    if (
+      currentPath.isVariableDeclaration() ||
+      currentPath.isAssignmentExpression() ||
+      currentPath.isClass()
+    ) {
+      return true
+    }
+  } while (currentPath !== statement)
+
+  return false
+}
+
+/**
+ * Visitor function for CallExpression and NewExpression nodes.
+ */
+function callableExpressionVisitor(
+  path: NodePath<t.CallExpression | t.NewExpression>,
+  _state: TransformState
+): void {
+  // Skip if this is used as a callee (e.g., foo()())
+  if (isUsedAsCallee(path)) {
+    return
+  }
+
+  // Skip if this is inside a callee chain
+  if (isInCallee(path)) {
+    return
+  }
+
+  // Skip if not executed during initialization
+  if (!isExecutedDuringInitialization(path)) {
+    return
+  }
+
+  // Must be in assignment context or export default
+  const statement = path.getStatementParent()
+  if (!isInAssignmentContext(path) && !statement?.isExportDefaultDeclaration()) {
+    return
+  }
+
+  annotateAsPure(path)
+}
+
+/**
+ * Creates a Babel visitor that adds PURE annotations to call expressions.
+ */
+export function createAnnotateEffectsVisitor(
+  filename: string,
+  _options?: AnnotateEffectsOptions
+): Visitor<TransformState> {
+  return {
+    Program: {
+      enter(_path, state) {
+        state.filename = filename
+      }
+    },
+
+    CallExpression(path: NodePath<t.CallExpression>, state) {
+      callableExpressionVisitor(path, state)
+    },
+
+    NewExpression(path: NodePath<t.NewExpression>, state) {
+      callableExpressionVisitor(path, state)
+    }
+  }
+}
+
+/**
+ * Creates the annotate effects transformer plugin.
+ */
+export function annotateEffectsTransformer(options?: AnnotateEffectsOptions): {
+  visitor: Visitor<TransformState>
+  name: string
+} {
+  return {
+    name: "effect-annotate-pure-calls",
+    visitor: createAnnotateEffectsVisitor("", options)
+  }
+}

dist/cjs/index.js

@@ -11,2 +11,3 @@ "use strict";
 var _unplugin = require("unplugin");
+var _annotateEffects = require("./transformers/annotateEffects.js");
 var _sourceTrace = require("./transformers/sourceTrace.js");
@@ -53,3 +54,3 @@ var _withSpanTrace = require("./transformers/withSpanTrace.js");
   const {
-    annotateEffects: _annotateEffects = false,
+    annotateEffects = false,
     exclude = DEFAULT_EXCLUDE,
@@ -79,4 +80,11 @@ include = DEFAULT_INCLUDE,
       }
+      // Run annotateEffects separately (it has a simpler state)
+      if (annotateEffects) {
+        const annotateState = {
+          filename: id
+        };
+        traverse(ast, (0, _annotateEffects.createAnnotateEffectsVisitor)(id), undefined, annotateState);
+      }
       // Combine visitors
-      if (visitors.length === 0) {
+      if (visitors.length === 0 && !annotateEffects) {
         return null;
@@ -83,0 +91,0 @@ }

dist/cjs/index.js.map

@@ -1,1 +0,1 @@
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dist/dts/index.d.ts.map

@@ -1,1 +0,1 @@
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+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../src/index.ts"],"names":[],"mappings":"AA6BA,OAAO,EAAwC,KAAK,gBAAgB,EAAE,MAAM,UAAU,CAAA;AAqCtF;;;;GAIG;AACH,MAAM,WAAW,mBAAmB;IAClC;;;;;OAKG;IACH,QAAQ,CAAC,WAAW,CAAC,EAAE,OAAO,CAAA;IAE9B;;;;;OAKG;IACH,QAAQ,CAAC,SAAS,CAAC,EAAE,OAAO,CAAA;IAE5B;;;;OAIG;IACH,QAAQ,CAAC,eAAe,CAAC,EAAE,OAAO,CAAA;IAElC;;;;OAIG;IACH,QAAQ,CAAC,OAAO,CAAC,EAAE,aAAa,CAAC,MAAM,CAAC,CAAA;IAExC;;;;OAIG;IACH,QAAQ,CAAC,OAAO,CAAC,EAAE,aAAa,CAAC,MAAM,CAAC,CAAA;CACzC;AAsHD;;;;GAIG;AACH,eAAO,MAAM,QAAQ,EAAE,gBAAgB,CAAC,mBAAmB,GAAG,SAAS,EAAE,OAAO,CAAmC,CAAA;AAEnH;;;;GAIG;AACH,eAAe,QAAQ,CAAA"}

dist/esm/index.js

@@ -5,2 +5,3 @@ import _generate from "@babel/generator";
 import { createUnplugin } from "unplugin";
+import { createAnnotateEffectsVisitor } from "./transformers/annotateEffects.js";
 import { createSourceTraceVisitor } from "./transformers/sourceTrace.js";
@@ -53,3 +54,3 @@ import { createWithSpanTraceVisitor } from "./transformers/withSpanTrace.js";
 const unpluginFactory = (options = {}) => {
-    const { annotateEffects: _annotateEffects = false, exclude = DEFAULT_EXCLUDE, include = DEFAULT_INCLUDE, sourceTrace = true, spanTrace = true } = options;
+    const { annotateEffects = false, exclude = DEFAULT_EXCLUDE, include = DEFAULT_INCLUDE, sourceTrace = true, spanTrace = true } = options;
     return {
@@ -74,4 +75,9 @@ name: "@effect/unplugin",
             }
+            // Run annotateEffects separately (it has a simpler state)
+            if (annotateEffects) {
+                const annotateState = { filename: id };
+                traverse(ast, createAnnotateEffectsVisitor(id), undefined, annotateState);
+            }
             // Combine visitors
-            if (visitors.length === 0) {
+            if (visitors.length === 0 && !annotateEffects) {
                 return null;
@@ -78,0 +84,0 @@ }

dist/esm/index.js.map

@@ -1,1 +0,1 @@
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package.json

 {
   "name": "@clayroach/unplugin",
-  "version": "0.1.0-source-trace.3",
+  "version": "0.1.0-source-trace.4",
   "description": "Universal bundler plugin for Effect transformations",
@@ -5,0 +5,0 @@ "license": "MIT",

src/index.ts

@@ -31,2 +31,3 @@ /**
 import { createUnplugin, type UnpluginFactory, type UnpluginInstance } from "unplugin"
+import { createAnnotateEffectsVisitor } from "./transformers/annotateEffects.js"
 import { createSourceTraceVisitor } from "./transformers/sourceTrace.js"
@@ -155,3 +156,3 @@ import { createWithSpanTraceVisitor } from "./transformers/withSpanTrace.js"
   const {
-    annotateEffects: _annotateEffects = false,
+    annotateEffects = false,
     exclude = DEFAULT_EXCLUDE,
@@ -188,4 +189,10 @@ include = DEFAULT_INCLUDE,
 
+      // Run annotateEffects separately (it has a simpler state)
+      if (annotateEffects) {
+        const annotateState = { filename: id }
+        traverse(ast, createAnnotateEffectsVisitor(id), undefined, annotateState)
+      }
+
       // Combine visitors
-      if (visitors.length === 0) {
+      if (visitors.length === 0 && !annotateEffects) {
         return null
@@ -192,0 +199,0 @@ }

No alert changes

Improved metrics

Total package byte prevSize

140538

19.36%

Number of package files

93

8.14%

Lines of code

2902

21.47%

No dependency changes