Revert #35877 - fix receiver on calls of imported and exported functions

Author: rbuckton

src/compiler/transformers/module/module.ts

@@ -35,8 +35,6 @@ namespace ts {
         context.onEmitNode = onEmitNode;
         context.enableSubstitution(SyntaxKind.Identifier); // Substitutes expression identifiers with imported/exported symbols.
         context.enableSubstitution(SyntaxKind.BinaryExpression); // Substitutes assignments to exported symbols.
-        context.enableSubstitution(SyntaxKind.CallExpression); // Substitutes expression identifiers with imported/exported symbols.
-        context.enableSubstitution(SyntaxKind.TaggedTemplateExpression); // Substitutes expression identifiers with imported/exported symbols.
         context.enableSubstitution(SyntaxKind.PrefixUnaryExpression); // Substitutes updates to exported symbols.
         context.enableSubstitution(SyntaxKind.PostfixUnaryExpression); // Substitutes updates to exported symbols.
         context.enableSubstitution(SyntaxKind.ShorthandPropertyAssignment); // Substitutes shorthand property assignments for imported/exported symbols.
@@ -49,7 +47,6 @@ namespace ts {
         let currentModuleInfo: ExternalModuleInfo; // The ExternalModuleInfo for the current file.
         let noSubstitution: boolean[]; // Set of nodes for which substitution rules should be ignored.
         let needUMDDynamicImportHelper: boolean;
-        let bindingReferenceCache: ESMap<Node, Identifier | SourceFile | ImportClause | ImportSpecifier | undefined> | undefined;
 
         return chainBundle(context, transformSourceFile);
 
@@ -1746,10 +1743,6 @@ namespace ts {
                     return substituteExpressionIdentifier(<Identifier>node);
                 case SyntaxKind.BinaryExpression:
                     return substituteBinaryExpression(<BinaryExpression>node);
-                case SyntaxKind.CallExpression:
-                    return substituteCallExpression(<CallExpression>node);
-                case SyntaxKind.TaggedTemplateExpression:
-                    return substituteTaggedTemplateExpression(<TaggedTemplateExpression>node);
                 case SyntaxKind.PostfixUnaryExpression:
                 case SyntaxKind.PrefixUnaryExpression:
                     return substituteUnaryExpression(<PrefixUnaryExpression | PostfixUnaryExpression>node);
@@ -1759,124 +1752,54 @@ namespace ts {
         }
 
         /**
-         * For an Identifier, gets the import or export binding that it references.
-         * @returns One of the following:
-         * - An `Identifier` if node references an external helpers module (i.e., `tslib`).
-         * - A `SourceFile` if the node references an export in the file.
-         * - An `ImportClause` or `ImportSpecifier` if the node references an import binding.
-         * - Otherwise, `undefined`.
+         * Substitution for an Identifier expression that may contain an imported or exported
+         * symbol.
+         *
+         * @param node The node to substitute.
          */
-        function getImportOrExportBindingReferenceWorker(node: Identifier): Identifier | SourceFile | ImportClause | ImportSpecifier | undefined {
+        function substituteExpressionIdentifier(node: Identifier): Expression {
             if (getEmitFlags(node) & EmitFlags.HelperName) {
                 const externalHelpersModuleName = getExternalHelpersModuleName(currentSourceFile);
                 if (externalHelpersModuleName) {
-                    return externalHelpersModuleName;
+                    return factory.createPropertyAccessExpression(externalHelpersModuleName, node);
                 }
+                return node;
             }
             else if (!(isGeneratedIdentifier(node) && !(node.autoGenerateFlags & GeneratedIdentifierFlags.AllowNameSubstitution)) && !isLocalName(node)) {
                 const exportContainer = resolver.getReferencedExportContainer(node, isExportName(node));
-                if (exportContainer?.kind === SyntaxKind.SourceFile) {
-                    return exportContainer;
-                }
-                const importDeclaration = resolver.getReferencedImportDeclaration(node);
-                if (importDeclaration && (isImportClause(importDeclaration) || isImportSpecifier(importDeclaration))) {
-                    return importDeclaration;
-                }
-            }
-            return undefined;
-        }
-
-        /**
-         * For an Identifier, gets the import or export binding that it references.
-         * @param removeEntry When `false`, the result is cached to avoid recomputing the result in a later substitution.
-         * When `true`, any cached result for the node is removed.
-         * @returns One of the following:
-         * - An `Identifier` if node references an external helpers module (i.e., `tslib`).
-         * - A `SourceFile` if the node references an export in the file.
-         * - An `ImportClause` or `ImportSpecifier` if the node references an import binding.
-         * - Otherwise, `undefined`.
-         */
-        function getImportOrExportBindingReference(node: Identifier, removeEntry: boolean): Identifier | SourceFile | ImportClause | ImportSpecifier | undefined {
-            let result = bindingReferenceCache?.get(node);
-            if (!result && !bindingReferenceCache?.has(node)) {
-                result = getImportOrExportBindingReferenceWorker(node);
-                if (!removeEntry) {
-                    bindingReferenceCache ||= new Map();
-                    bindingReferenceCache.set(node, result);
-                }
-            }
-            else if (removeEntry) {
-                bindingReferenceCache?.delete(node);
-            }
-            return result;
-        }
-
-        function substituteCallExpression(node: CallExpression) {
-            if (isIdentifier(node.expression) && getImportOrExportBindingReference(node.expression, /*removeEntry*/ false)) {
-                return isCallChain(node) ?
-                    factory.updateCallChain(node,
-                        setTextRange(factory.createComma(factory.createNumericLiteral(0), node.expression), node.expression),
-                        node.questionDotToken,
-                        /*typeArguments*/ undefined,
-                        node.arguments) :
-                    factory.updateCallExpression(node,
-                        setTextRange(factory.createComma(factory.createNumericLiteral(0), node.expression), node.expression),
-                        /*typeArguments*/ undefined,
-                        node.arguments);
-            }
-            return node;
-        }
-
-        function substituteTaggedTemplateExpression(node: TaggedTemplateExpression) {
-            if (isIdentifier(node.tag) && getImportOrExportBindingReference(node.tag, /*removeEntry*/ false)) {
-                return factory.updateTaggedTemplateExpression(
-                    node,
-                    setTextRange(factory.createComma(factory.createNumericLiteral(0), node.tag), node.tag),
-                    /*typeArguments*/ undefined,
-                    node.template);
-            }
-            return node;
-        }
-
-        /**
-         * Substitution for an Identifier expression that may contain an imported or exported
-         * symbol.
-         *
-         * @param node The node to substitute.
-         */
-        function substituteExpressionIdentifier(node: Identifier): Expression {
-            const result = getImportOrExportBindingReference(node, /*removeEntry*/ true);
-            switch (result?.kind) {
-                case SyntaxKind.Identifier: // tslib import
-                    return factory.createPropertyAccessExpression(result, node);
-                case SyntaxKind.SourceFile: // top-level export
+                if (exportContainer && exportContainer.kind === SyntaxKind.SourceFile) {
                     return setTextRange(
                         factory.createPropertyAccessExpression(
                             factory.createIdentifier("exports"),
                             factory.cloneNode(node)
                         ),
                         /*location*/ node
                     );
-                case SyntaxKind.ImportClause:
-                    return setTextRange(
-                        factory.createPropertyAccessExpression(
-                            factory.getGeneratedNameForNode(result.parent),
-                            factory.createIdentifier("default")
-                        ),
-                        /*location*/ node
-                    );
-                case SyntaxKind.ImportSpecifier:
-                    const name = result.propertyName || result.name;
-                    return setTextRange(
-                        factory.createPropertyAccessExpression(
-                            factory.getGeneratedNameForNode(result.parent?.parent?.parent || result),
-                            factory.cloneNode(name)
-                        ),
-                        /*location*/ node
-                    );
-                default:
-                    return node;
+                }
+                const importDeclaration = resolver.getReferencedImportDeclaration(node);
+                if (importDeclaration) {
+                    if (isImportClause(importDeclaration)) {
+                        return setTextRange(
+                            factory.createPropertyAccessExpression(
+                                factory.getGeneratedNameForNode(importDeclaration.parent),
+                                factory.createIdentifier("default")
+                            ),
+                            /*location*/ node
+                        );
+                    }
+                    else if (isImportSpecifier(importDeclaration)) {
+                        const name = importDeclaration.propertyName || importDeclaration.name;
+                        return setTextRange(
+                            factory.createPropertyAccessExpression(
+                                factory.getGeneratedNameForNode(importDeclaration.parent?.parent?.parent || importDeclaration),
+                                factory.cloneNode(name)
+                            ),
+                            /*location*/ node
+                        );
+                    }
+                }
             }
+            return node;
         }
 
         /**

src/testRunner/tsconfig.json

@@ -92,7 +92,6 @@
         "unittests/evaluation/asyncGenerator.ts",
         "unittests/evaluation/awaiter.ts",
         "unittests/evaluation/destructuring.ts",
-        "unittests/evaluation/externalModules.ts",
         "unittests/evaluation/forAwaitOf.ts",
         "unittests/evaluation/forOf.ts",
         "unittests/evaluation/optionalCall.ts",

src/testRunner/unittests/evaluation/externalModules.ts

@@ -55,8 +55,8 @@ exports.fn3 = fn3;`;
                 content: `"use strict";
 exports.__esModule = true;${appendJsText === changeJs ? "\nexports.fn3 = void 0;" : ""}
 var fns_1 = require("../decls/fns");
-(0, fns_1.fn1)();
-(0, fns_1.fn2)();
+fns_1.fn1();
+fns_1.fn2();
 ${appendJs}`
             }];
         }

src/testRunner/unittests/tsserver/projectReferenceCompileOnSave.ts

@@ -30,7 +30,7 @@ exports.__esModule = true;
 exports.a = void 0;
 var func_1 = require("./func");
 // hover on vextend
-exports.a = (0, func_1.vextend)({
+exports.a = func_1.vextend({
     watch: {
         data1: function (val) {
             this.data2 = 1;

tests/baselines/reference/allowJscheckJsTypeParameterNoCrash.js

@@ -23,7 +23,7 @@ exports.__esModule = true;
 exports.__esModule = true;
 exports.A = void 0;
 var file1_1 = require("./file1");
-exports.A = (0, file1_1.styled)();
+exports.A = file1_1.styled();
 
 
 //// [color.d.ts]

tests/baselines/reference/allowSyntheticDefaultImportsCanPaintCrossModuleDeclaration.js

@@ -37,9 +37,9 @@ foo(fileText);
 exports.__esModule = true;
 ///<reference path="declarations.d.ts" />
 var foobarbaz_1 = require("foobarbaz");
-(0, foobarbaz_1.foo)(foobarbaz_1.baz);
+foobarbaz_1.foo(foobarbaz_1.baz);
 var foosball_1 = require("foosball");
-(0, foobarbaz_1.foo)(foosball_1.foos);
+foobarbaz_1.foo(foosball_1.foos);
 // Works with relative file name
 var file_text_1 = require("./file!text");
-(0, foobarbaz_1.foo)(file_text_1["default"]);
+foobarbaz_1.foo(file_text_1["default"]);

tests/baselines/reference/ambientDeclarationsPatterns.js

@@ -20,4 +20,4 @@ exports.__esModule = true;
 var jquery_1 = require("jquery");
 var baz = require("fs");
 var boom = require("jquery");
-(0, jquery_1["default"])(jquery_1.bar, baz, boom);
+jquery_1["default"](jquery_1.bar, baz, boom);

tests/baselines/reference/ambientShorthand.js

@@ -49,4 +49,4 @@ exports.__esModule = true;
 var reExportX_1 = require("./reExportX");
 var $ = require("./reExportAll");
 // '$' is not callable, it is an object.
-(0, reExportX_1.x)($);
+reExportX_1.x($);

tests/baselines/reference/ambientShorthand_reExport.js

@@ -72,7 +72,7 @@ define("Class", ["require", "exports", "Configurable"], function (require, expor
             return _super !== null && _super.apply(this, arguments) || this;
         }
         return ActualClass;
-    }((0, Configurable_1.Configurable)(HiddenClass)));
+    }(Configurable_1.Configurable(HiddenClass)));
     exports.ActualClass = ActualClass;
 });
 

tests/baselines/reference/amdDeclarationEmitNoExtraDeclare.js

@@ -96,7 +96,7 @@ var __extends = (this && this.__extends) || (function () {
 exports.__esModule = true;
 exports.TimestampedUser = exports.User = void 0;
 var wrapClass_1 = require("./wrapClass");
-exports["default"] = (0, wrapClass_1.wrapClass)(0);
+exports["default"] = wrapClass_1.wrapClass(0);
 // Simple class
 var User = /** @class */ (function () {
     function User() {
@@ -112,7 +112,7 @@ var TimestampedUser = /** @class */ (function (_super) {
         return _super.call(this) || this;
     }
     return TimestampedUser;
-}((0, wrapClass_1.Timestamped)(User)));
+}(wrapClass_1.Timestamped(User)));
 exports.TimestampedUser = TimestampedUser;
 
 

tests/baselines/reference/anonClassDeclarationEmitIsAnon.js

@@ -22,7 +22,7 @@ exports.x = void 0;
 /** @type {Foo} */
 var x = function () { return 1; };
 exports.x = x;
-var res = (0, exports.x)('a', 'b');
+var res = exports.x('a', 'b');
 
 
 //// [callbackTagVariadicType.d.ts]

tests/baselines/reference/callbackTagVariadicType.js

@@ -25,7 +25,7 @@ var Component = /** @class */ (function () {
     function Component() {
     }
     Component.prototype.render = function () {
-        return (0, _a.jsx)("div", { children: null /* preserved */ }, void 0);
+        return _a.jsx("div", { children: null /* preserved */ }, void 0);
     };
     return Component;
 }());

tests/baselines/reference/commentsOnJSXExpressionsArePreserved(jsx=react-jsx,module=commonjs).js

@@ -26,7 +26,7 @@ var Component = /** @class */ (function () {
     function Component() {
     }
     Component.prototype.render = function () {
-        return (0, _a.jsxDEV)("div", { children: null /* preserved */ }, void 0, false, { fileName: _jsxFileName, lineNumber: 5, columnNumber: 15 }, this);
+        return _a.jsxDEV("div", { children: null /* preserved */ }, void 0, false, { fileName: _jsxFileName, lineNumber: 5, columnNumber: 15 }, this);
     };
     return Component;
 }());

tests/baselines/reference/commentsOnJSXExpressionsArePreserved(jsx=react-jsxdev,module=commonjs).js

@@ -19,7 +19,7 @@ exports.Foo = Foo;
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 var _10_lib_1 = require("./10_lib");
-(0, _10_lib_1.Foo)();
+_10_lib_1.Foo();
 
 
 //// [10_lib.d.ts]