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1 line
20 KiB
1 year ago
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{"version":3,"names":["assignmentExpression","booleanLiteral","callExpression","cloneNode","identifier","memberExpression","sequenceExpression","stringLiteral","thisExpression","getPrototypeOfExpression","objectRef","isStatic","file","isPrivateMethod","targetRef","addHelper","visitor","traverse","visitors","merge","environmentVisitor","Super","path","state","node","parentPath","isMemberExpression","object","handle","unshadowSuperBindingVisitor","Scopable","refName","binding","scope","getOwnBinding","name","rename","specHandlers","memoise","superMember","count","computed","property","memo","maybeGenerateMemoised","memoiser","set","prop","has","get","_get","_getThisRefs","thisRefs","proto","getObjectRef","this","isDerivedConstructor","thisRef","generateDeclaredUidIdentifier","value","isInStrictMode","destructureSet","buildCodeFrameError","call","args","optimiseCall","optionalCall","delete","template","expression","ast","looseHandlers","getSuperRef","ReplaceSupers","constructor","opts","methodPath","isClassMethod","kind","superRef","isObjectMethod","static","isStaticBlock","isPrivate","isMethod","constantSuper","isLoose","replace","refToPreserve","handler","memberExpressionToFunctions","bind","boundGet"],"sources":["../src/index.ts"],"sourcesContent":["import type { File } from \"@babel/core\";\nimport environmentVisitor from \"@babel/helper-environment-visitor\";\nimport memberExpressionToFunctions from \"@babel/helper-member-expression-to-functions\";\nimport type { HandlerState } from \"@babel/helper-member-expression-to-functions\";\nimport optimiseCall from \"@babel/helper-optimise-call-expression\";\nimport template from \"@babel/template\";\nimport traverse from \"@babel/traverse\";\nimport type { NodePath, Scope } from \"@babel/traverse\";\nimport {\n assignmentExpression,\n booleanLiteral,\n callExpression,\n cloneNode,\n identifier,\n memberExpression,\n sequenceExpression,\n stringLiteral,\n thisExpression,\n} from \"@babel/types\";\nimport type * as t from \"@babel/types\";\n\n// TODO (Babel 8): Don't export this.\nexport {\n default as environmentVisitor,\n skipAllButComputedKey,\n} from \"@babel/helper-environment-visitor\";\n\ntype ThisRef =\n | {\n memo: t.AssignmentExpression;\n this: t.Identifier;\n }\n | { this: t.ThisExpression };\n/**\n * Creates an expression which result is the proto of objectRef.\n *\n * @example <caption>isStatic === true</caption>\n *\n * helpers.getPrototypeOf(CLASS)\n *\n * @example <caption>isStatic === false</caption>\n *\n * helpers.getPrototypeOf(CLASS.prototype)\n */\nfunction getPrototypeOfExpression(\n objectRef: t.Identifier,\n isStatic: boolean,\n file: File,\n isPrivateMethod: boolean,\n) {\n objectRef = cloneNode(objectRef);\n const targetRef =\n isStatic || isPrivateMethod\n ? objectRef\n : memberExpression(objectRef, identifier(\"prototype\"));\n\n return callExpression(file.addHelper(\"getPrototypeOf\"), [targetRef]);\n}\n\nconst visitor = traverse.visitors.merge<\n HandlerState<ReplaceState> & ReplaceState\n>([\n environmentVisitor,\n {\n Super(path, state) {\n const { node, parentPath } = path;\n if (!parentPath.isMemberExpression({ object: node })) return;\n state.handle(parentPath);\n },\n },\n]);\n\nconst unshadowSuperBindingVisitor = traverse.visitors.merge<{\n refName: string;\n}>([\n environmentVisitor,\n {\n Scopable(path, { refName }) {\n // https://github.com/Zzzen/babel/pull/1#pullrequestreview-564833183\n const binding = path.scope.getOwnBinding(refName);\n if (binding && binding.identifier.name === refName) {\n path.scope.rename(refName);\n }\n },\n },\n]);\n\ntype SharedState = {\n file: File;\n scope: Scope;\n isDerivedConstructor: boolean;\n isStatic: boolean;\n isPrivateMethod: boolean;\n getObjectRef: () => t.Identifier;\n getSuperRef: () => t.Identifier;\n // we dont need boundGet here, but memberExpressionToFunctions handler needs it.\n boundGet: HandlerState[\"get\"];\n};\n\ntype Handler = HandlerState<SharedState> & SharedS
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