@babel/plugin-transform-optional-chaining - npm Package Compare versions

Comparing version 7.22.6 to 8.0.0-alpha.0

lib/index.js

@@ -1,10 +0,6 @@
-'use strict';
+import { declare } from '@babel/helper-plugin-utils';
+import syntaxOptionalChaining from '@babel/plugin-syntax-optional-chaining';
+import { template, types } from '@babel/core';
+import { isTransparentExprWrapper, skipTransparentExprWrappers, skipTransparentExprWrapperNodes } from '@babel/helper-skip-transparent-expression-wrappers';
 
-Object.defineProperty(exports, '__esModule', { value: true });
-
-var helperPluginUtils = require('@babel/helper-plugin-utils');
-var syntaxOptionalChaining = require('@babel/plugin-syntax-optional-chaining');
-var core = require('@babel/core');
-var helperSkipTransparentExpressionWrappers = require('@babel/helper-skip-transparent-expression-wrappers');
-
 function willPathCastToBoolean(path) {
@@ -46,3 +42,3 @@ const maybeWrapped = findOutermostTransparentParent(path);
   path.findParent(p => {
-    if (!helperSkipTransparentExpressionWrappers.isTransparentExprWrapper(p.node)) return true;
+    if (!isTransparentExprWrapper(p.node)) return true;
     maybeWrapped = p;
@@ -54,4 +50,4 @@ });
 function isSimpleMemberExpression(expression) {
-  expression = helperSkipTransparentExpressionWrappers.skipTransparentExprWrapperNodes(expression);
-  return core.types.isIdentifier(expression) || core.types.isSuper(expression) || core.types.isMemberExpression(expression) && !expression.computed && isSimpleMemberExpression(expression.object);
+  expression = skipTransparentExprWrapperNodes(expression);
+  return types.isIdentifier(expression) || types.isSuper(expression) || types.isMemberExpression(expression) && !expression.computed && isSimpleMemberExpression(expression.object);
 }
@@ -67,3 +63,3 @@ function needsMemoize(path) {
     } = optionalPath;
-    const childPath = helperSkipTransparentExpressionWrappers.skipTransparentExprWrappers(optionalPath.isOptionalMemberExpression() ? optionalPath.get("object") : optionalPath.get("callee"));
+    const childPath = skipTransparentExprWrappers(optionalPath.isOptionalMemberExpression() ? optionalPath.get("object") : optionalPath.get("callee"));
     if (node.optional) {
@@ -75,6 +71,6 @@ return !scope.isStatic(childPath.node);
 }
-const NULLISH_CHECK = core.template.expression(`%%check%% === null || %%ref%% === void 0`);
-const NULLISH_CHECK_NO_DDA = core.template.expression(`%%check%% == null`);
-const NULLISH_CHECK_NEG = core.template.expression(`%%check%% !== null && %%ref%% !== void 0`);
-const NULLISH_CHECK_NO_DDA_NEG = core.template.expression(`%%check%% != null`);
+const NULLISH_CHECK = template.expression(`%%check%% === null || %%ref%% === void 0`);
+const NULLISH_CHECK_NO_DDA = template.expression(`%%check%% == null`);
+const NULLISH_CHECK_NEG = template.expression(`%%check%% !== null && %%ref%% !== void 0`);
+const NULLISH_CHECK_NO_DDA_NEG = template.expression(`%%check%% != null`);
 function transformOptionalChain(path, {
@@ -88,3 +84,3 @@ pureGetters,
   if (scope.path.isPattern() && needsMemoize(path)) {
-    replacementPath.replaceWith(core.template.expression.ast`(() => ${replacementPath.node})()`);
+    replacementPath.replaceWith(template.expression.ast`(() => ${replacementPath.node})()`);
     return;
@@ -103,6 +99,6 @@ }
       optionalPath.node.type = "MemberExpression";
-      optionalPath = helperSkipTransparentExpressionWrappers.skipTransparentExprWrappers(optionalPath.get("object"));
+      optionalPath = skipTransparentExprWrappers(optionalPath.get("object"));
     } else if (optionalPath.isOptionalCallExpression()) {
       optionalPath.node.type = "CallExpression";
-      optionalPath = helperSkipTransparentExpressionWrappers.skipTransparentExprWrappers(optionalPath.get("callee"));
+      optionalPath = skipTransparentExprWrappers(optionalPath.get("callee"));
     }
@@ -117,12 +113,12 @@ }
     const node = optionals[i];
-    const isCall = core.types.isCallExpression(node);
+    const isCall = types.isCallExpression(node);
     const chainWithTypes = isCall ? node.callee : node.object;
-    const chain = helperSkipTransparentExpressionWrappers.skipTransparentExprWrapperNodes(chainWithTypes);
+    const chain = skipTransparentExprWrapperNodes(chainWithTypes);
     let ref;
     let check;
-    if (isCall && core.types.isIdentifier(chain, {
+    if (isCall && types.isIdentifier(chain, {
       name: "eval"
     })) {
       check = ref = chain;
-      node.callee = core.types.sequenceExpression([core.types.numericLiteral(0), ref]);
+      node.callee = types.sequenceExpression([types.numericLiteral(0), ref]);
     } else if (pureGetters && isCall && isSimpleMemberExpression(chain)) {
@@ -136,10 +132,10 @@ check = ref = node.callee;
         scope.push({
-          id: core.types.cloneNode(tmpVar)
+          id: types.cloneNode(tmpVar)
         });
       }
       ref = tmpVar;
-      check = core.types.assignmentExpression("=", core.types.cloneNode(tmpVar), chainWithTypes);
+      check = types.assignmentExpression("=", types.cloneNode(tmpVar), chainWithTypes);
       isCall ? node.callee = ref : node.object = ref;
     }
-    if (isCall && core.types.isMemberExpression(chain)) {
+    if (isCall && types.isMemberExpression(chain)) {
       if (pureGetters && isSimpleMemberExpression(chain)) {
@@ -152,4 +148,4 @@ node.callee = chainWithTypes;
         let context;
-        if (core.types.isSuper(object)) {
-          context = core.types.thisExpression();
+        if (types.isSuper(object)) {
+          context = types.thisExpression();
         } else {
@@ -159,3 +155,3 @@ const memoized = scope.maybeGenerateMemoised(object);
             context = memoized;
-            chain.object = core.types.assignmentExpression("=", memoized, object);
+            chain.object = types.assignmentExpression("=", memoized, object);
           } else {
@@ -165,9 +161,9 @@ context = object;
         }
-        node.arguments.unshift(core.types.cloneNode(context));
-        node.callee = core.types.memberExpression(node.callee, core.types.identifier("call"));
+        node.arguments.unshift(types.cloneNode(context));
+        node.callee = types.memberExpression(node.callee, types.identifier("call"));
       }
     }
     const data = {
-      check: core.types.cloneNode(check),
-      ref: core.types.cloneNode(ref)
+      check: types.cloneNode(check),
+      ref: types.cloneNode(ref)
     };
@@ -181,8 +177,8 @@ Object.defineProperty(data, "ref", {
   if (wrapLast) result = wrapLast(result);
-  const ifNullishBoolean = core.types.isBooleanLiteral(ifNullish);
+  const ifNullishBoolean = types.isBooleanLiteral(ifNullish);
   const ifNullishFalse = ifNullishBoolean && ifNullish.value === false;
   const tpl = ifNullishFalse ? noDocumentAll ? NULLISH_CHECK_NO_DDA_NEG : NULLISH_CHECK_NEG : noDocumentAll ? NULLISH_CHECK_NO_DDA : NULLISH_CHECK;
   const logicalOp = ifNullishFalse ? "&&" : "||";
-  const check = checks.map(tpl).reduce((expr, check) => core.types.logicalExpression(logicalOp, expr, check));
-  replacementPath.replaceWith(ifNullishBoolean ? core.types.logicalExpression(logicalOp, check, result) : core.types.conditionalExpression(check, ifNullish, result));
+  const check = checks.map(tpl).reduce((expr, check) => types.logicalExpression(logicalOp, expr, check));
+  replacementPath.replaceWith(ifNullishBoolean ? types.logicalExpression(logicalOp, check, result) : types.conditionalExpression(check, ifNullish, result));
 }
@@ -200,3 +196,3 @@ function transform(path, assumptions) {
   })) {
-    transformOptionalChain(path, assumptions, parentPath, core.types.booleanLiteral(true));
+    transformOptionalChain(path, assumptions, parentPath, types.booleanLiteral(true));
   } else {
@@ -208,4 +204,3 @@ let wrapLast;
       wrapLast = replacement => {
-        var _baseRef;
-        const object = helperSkipTransparentExpressionWrappers.skipTransparentExprWrapperNodes(replacement.object);
+        const object = skipTransparentExprWrapperNodes(replacement.object);
         let baseRef;
@@ -215,14 +210,13 @@ if (!assumptions.pureGetters || !isSimpleMemberExpression(object)) {
           if (baseRef) {
-            replacement.object = core.types.assignmentExpression("=", baseRef, object);
+            replacement.object = types.assignmentExpression("=", baseRef, object);
           }
         }
-        return core.types.callExpression(core.types.memberExpression(replacement, core.types.identifier("bind")), [core.types.cloneNode((_baseRef = baseRef) != null ? _baseRef : object)]);
+        return types.callExpression(types.memberExpression(replacement, types.identifier("bind")), [types.cloneNode(baseRef ?? object)]);
       };
     }
-    transformOptionalChain(path, assumptions, path, willPathCastToBoolean(maybeWrapped) ? core.types.booleanLiteral(false) : scope.buildUndefinedNode(), wrapLast);
+    transformOptionalChain(path, assumptions, path, willPathCastToBoolean(maybeWrapped) ? types.booleanLiteral(false) : scope.buildUndefinedNode(), wrapLast);
   }
 }
 
-var index = helperPluginUtils.declare((api, options) => {
-  var _api$assumption, _api$assumption2;
+var index = declare((api, options) => {
   api.assertVersion(7);
@@ -232,4 +226,4 @@ const {
   } = options;
-  const noDocumentAll = (_api$assumption = api.assumption("noDocumentAll")) != null ? _api$assumption : loose;
-  const pureGetters = (_api$assumption2 = api.assumption("pureGetters")) != null ? _api$assumption2 : loose;
+  const noDocumentAll = api.assumption("noDocumentAll") ?? loose;
+  const pureGetters = api.assumption("pureGetters") ?? loose;
   return {
@@ -249,4 +243,3 @@ name: "transform-optional-chaining",
 
-exports["default"] = index;
-exports.transform = transform;
+export { index as default, transform };
 //# sourceMappingURL=index.js.map

lib/transform.js

@@ -1,14 +0,7 @@
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.transform = transform;
-exports.transformOptionalChain = transformOptionalChain;
-var _core = require("@babel/core");
-var _helperSkipTransparentExpressionWrappers = require("@babel/helper-skip-transparent-expression-wrappers");
-var _util = require("./util");
+import { types as t, template } from "@babel/core";
+import { skipTransparentExprWrapperNodes, skipTransparentExprWrappers } from "@babel/helper-skip-transparent-expression-wrappers";
+import { willPathCastToBoolean, findOutermostTransparentParent } from "./util.js";
 function isSimpleMemberExpression(expression) {
-  expression = (0, _helperSkipTransparentExpressionWrappers.skipTransparentExprWrapperNodes)(expression);
-  return _core.types.isIdentifier(expression) || _core.types.isSuper(expression) || _core.types.isMemberExpression(expression) && !expression.computed && isSimpleMemberExpression(expression.object);
+  expression = skipTransparentExprWrapperNodes(expression);
+  return t.isIdentifier(expression) || t.isSuper(expression) || t.isMemberExpression(expression) && !expression.computed && isSimpleMemberExpression(expression.object);
 }
@@ -24,3 +17,3 @@ function needsMemoize(path) {
     } = optionalPath;
-    const childPath = (0, _helperSkipTransparentExpressionWrappers.skipTransparentExprWrappers)(optionalPath.isOptionalMemberExpression() ? optionalPath.get("object") : optionalPath.get("callee"));
+    const childPath = skipTransparentExprWrappers(optionalPath.isOptionalMemberExpression() ? optionalPath.get("object") : optionalPath.get("callee"));
     if (node.optional) {
@@ -32,7 +25,7 @@ return !scope.isStatic(childPath.node);
 }
-const NULLISH_CHECK = _core.template.expression(`%%check%% === null || %%ref%% === void 0`);
-const NULLISH_CHECK_NO_DDA = _core.template.expression(`%%check%% == null`);
-const NULLISH_CHECK_NEG = _core.template.expression(`%%check%% !== null && %%ref%% !== void 0`);
-const NULLISH_CHECK_NO_DDA_NEG = _core.template.expression(`%%check%% != null`);
-function transformOptionalChain(path, {
+const NULLISH_CHECK = template.expression(`%%check%% === null || %%ref%% === void 0`);
+const NULLISH_CHECK_NO_DDA = template.expression(`%%check%% == null`);
+const NULLISH_CHECK_NEG = template.expression(`%%check%% !== null && %%ref%% !== void 0`);
+const NULLISH_CHECK_NO_DDA_NEG = template.expression(`%%check%% != null`);
+export function transformOptionalChain(path, {
   pureGetters,
@@ -45,3 +38,3 @@ noDocumentAll
   if (scope.path.isPattern() && needsMemoize(path)) {
-    replacementPath.replaceWith(_core.template.expression.ast`(() => ${replacementPath.node})()`);
+    replacementPath.replaceWith(template.expression.ast`(() => ${replacementPath.node})()`);
     return;
@@ -60,6 +53,6 @@ }
       optionalPath.node.type = "MemberExpression";
-      optionalPath = (0, _helperSkipTransparentExpressionWrappers.skipTransparentExprWrappers)(optionalPath.get("object"));
+      optionalPath = skipTransparentExprWrappers(optionalPath.get("object"));
     } else if (optionalPath.isOptionalCallExpression()) {
       optionalPath.node.type = "CallExpression";
-      optionalPath = (0, _helperSkipTransparentExpressionWrappers.skipTransparentExprWrappers)(optionalPath.get("callee"));
+      optionalPath = skipTransparentExprWrappers(optionalPath.get("callee"));
     }
@@ -74,12 +67,12 @@ }
     const node = optionals[i];
-    const isCall = _core.types.isCallExpression(node);
+    const isCall = t.isCallExpression(node);
     const chainWithTypes = isCall ? node.callee : node.object;
-    const chain = (0, _helperSkipTransparentExpressionWrappers.skipTransparentExprWrapperNodes)(chainWithTypes);
+    const chain = skipTransparentExprWrapperNodes(chainWithTypes);
     let ref;
     let check;
-    if (isCall && _core.types.isIdentifier(chain, {
+    if (isCall && t.isIdentifier(chain, {
       name: "eval"
     })) {
       check = ref = chain;
-      node.callee = _core.types.sequenceExpression([_core.types.numericLiteral(0), ref]);
+      node.callee = t.sequenceExpression([t.numericLiteral(0), ref]);
     } else if (pureGetters && isCall && isSimpleMemberExpression(chain)) {
@@ -93,10 +86,10 @@ check = ref = node.callee;
         scope.push({
-          id: _core.types.cloneNode(tmpVar)
+          id: t.cloneNode(tmpVar)
         });
       }
       ref = tmpVar;
-      check = _core.types.assignmentExpression("=", _core.types.cloneNode(tmpVar), chainWithTypes);
+      check = t.assignmentExpression("=", t.cloneNode(tmpVar), chainWithTypes);
       isCall ? node.callee = ref : node.object = ref;
     }
-    if (isCall && _core.types.isMemberExpression(chain)) {
+    if (isCall && t.isMemberExpression(chain)) {
       if (pureGetters && isSimpleMemberExpression(chain)) {
@@ -109,4 +102,4 @@ node.callee = chainWithTypes;
         let context;
-        if (_core.types.isSuper(object)) {
-          context = _core.types.thisExpression();
+        if (t.isSuper(object)) {
+          context = t.thisExpression();
         } else {
@@ -116,3 +109,3 @@ const memoized = scope.maybeGenerateMemoised(object);
             context = memoized;
-            chain.object = _core.types.assignmentExpression("=", memoized, object);
+            chain.object = t.assignmentExpression("=", memoized, object);
           } else {
@@ -122,9 +115,9 @@ context = object;
         }
-        node.arguments.unshift(_core.types.cloneNode(context));
-        node.callee = _core.types.memberExpression(node.callee, _core.types.identifier("call"));
+        node.arguments.unshift(t.cloneNode(context));
+        node.callee = t.memberExpression(node.callee, t.identifier("call"));
       }
     }
     const data = {
-      check: _core.types.cloneNode(check),
-      ref: _core.types.cloneNode(ref)
+      check: t.cloneNode(check),
+      ref: t.cloneNode(ref)
     };
@@ -138,14 +131,14 @@ Object.defineProperty(data, "ref", {
   if (wrapLast) result = wrapLast(result);
-  const ifNullishBoolean = _core.types.isBooleanLiteral(ifNullish);
+  const ifNullishBoolean = t.isBooleanLiteral(ifNullish);
   const ifNullishFalse = ifNullishBoolean && ifNullish.value === false;
   const tpl = ifNullishFalse ? noDocumentAll ? NULLISH_CHECK_NO_DDA_NEG : NULLISH_CHECK_NEG : noDocumentAll ? NULLISH_CHECK_NO_DDA : NULLISH_CHECK;
   const logicalOp = ifNullishFalse ? "&&" : "||";
-  const check = checks.map(tpl).reduce((expr, check) => _core.types.logicalExpression(logicalOp, expr, check));
-  replacementPath.replaceWith(ifNullishBoolean ? _core.types.logicalExpression(logicalOp, check, result) : _core.types.conditionalExpression(check, ifNullish, result));
+  const check = checks.map(tpl).reduce((expr, check) => t.logicalExpression(logicalOp, expr, check));
+  replacementPath.replaceWith(ifNullishBoolean ? t.logicalExpression(logicalOp, check, result) : t.conditionalExpression(check, ifNullish, result));
 }
-function transform(path, assumptions) {
+export function transform(path, assumptions) {
   const {
     scope
   } = path;
-  const maybeWrapped = (0, _util.findOutermostTransparentParent)(path);
+  const maybeWrapped = findOutermostTransparentParent(path);
   const {
@@ -157,3 +150,3 @@ parentPath
   })) {
-    transformOptionalChain(path, assumptions, parentPath, _core.types.booleanLiteral(true));
+    transformOptionalChain(path, assumptions, parentPath, t.booleanLiteral(true));
   } else {
@@ -165,4 +158,3 @@ let wrapLast;
       wrapLast = replacement => {
-        var _baseRef;
-        const object = (0, _helperSkipTransparentExpressionWrappers.skipTransparentExprWrapperNodes)(replacement.object);
+        const object = skipTransparentExprWrapperNodes(replacement.object);
         let baseRef;
@@ -172,9 +164,9 @@ if (!assumptions.pureGetters || !isSimpleMemberExpression(object)) {
           if (baseRef) {
-            replacement.object = _core.types.assignmentExpression("=", baseRef, object);
+            replacement.object = t.assignmentExpression("=", baseRef, object);
           }
         }
-        return _core.types.callExpression(_core.types.memberExpression(replacement, _core.types.identifier("bind")), [_core.types.cloneNode((_baseRef = baseRef) != null ? _baseRef : object)]);
+        return t.callExpression(t.memberExpression(replacement, t.identifier("bind")), [t.cloneNode(baseRef ?? object)]);
       };
     }
-    transformOptionalChain(path, assumptions, path, (0, _util.willPathCastToBoolean)(maybeWrapped) ? _core.types.booleanLiteral(false) : scope.buildUndefinedNode(), wrapLast);
+    transformOptionalChain(path, assumptions, path, willPathCastToBoolean(maybeWrapped) ? t.booleanLiteral(false) : scope.buildUndefinedNode(), wrapLast);
   }
@@ -181,0 +173,0 @@ }

lib/util.js

@@ -1,10 +0,3 @@
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.findOutermostTransparentParent = findOutermostTransparentParent;
-exports.willPathCastToBoolean = willPathCastToBoolean;
-var _helperSkipTransparentExpressionWrappers = require("@babel/helper-skip-transparent-expression-wrappers");
-function willPathCastToBoolean(path) {
+import { isTransparentExprWrapper } from "@babel/helper-skip-transparent-expression-wrappers";
+export function willPathCastToBoolean(path) {
   const maybeWrapped = findOutermostTransparentParent(path);
@@ -42,6 +35,6 @@ const {
 }
-function findOutermostTransparentParent(path) {
+export function findOutermostTransparentParent(path) {
   let maybeWrapped = path;
   path.findParent(p => {
-    if (!(0, _helperSkipTransparentExpressionWrappers.isTransparentExprWrapper)(p.node)) return true;
+    if (!isTransparentExprWrapper(p.node)) return true;
     maybeWrapped = p;
@@ -48,0 +41,0 @@ });

package.json

 {
   "name": "@babel/plugin-transform-optional-chaining",
-  "version": "7.22.6",
+  "version": "8.0.0-alpha.0",
   "description": "Transform optional chaining operators into a series of nil checks",
@@ -20,20 +20,24 @@ "repository": {
   "dependencies": {
-    "@babel/helper-plugin-utils": "^7.22.5",
-    "@babel/helper-skip-transparent-expression-wrappers": "^7.22.5",
+    "@babel/helper-plugin-utils": "^8.0.0-alpha.0",
+    "@babel/helper-skip-transparent-expression-wrappers": "^8.0.0-alpha.0",
     "@babel/plugin-syntax-optional-chaining": "^7.8.3"
   },
   "peerDependencies": {
-    "@babel/core": "^7.0.0-0"
+    "@babel/core": "^8.0.0-alpha.0"
   },
   "devDependencies": {
-    "@babel/core": "^7.22.6",
-    "@babel/helper-plugin-test-runner": "^7.22.5",
-    "@babel/plugin-transform-block-scoping": "^7.22.5",
-    "@babel/traverse": "^7.22.6"
+    "@babel/core": "^8.0.0-alpha.0",
+    "@babel/helper-plugin-test-runner": "^8.0.0-alpha.0",
+    "@babel/plugin-transform-block-scoping": "^8.0.0-alpha.0",
+    "@babel/traverse": "^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"
 }

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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-skip-transparent-expression-wrappers@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/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)

• + Addedglobals@15.12.0(transitive)

• + Addedjs-tokens@8.0.3(transitive)

• + Addedlru-cache@7.18.3(transitive)

• + Addedsemver@7.6.3(transitive)

• - Removed@babel/helper-skip-transparent-expression-wrappers@7.25.9(transitive)

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

• Updated@babel/helper-skip-transparent-expression-wrappers@^8.0.0-alpha.0