decorator-transforms
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Better babel transforms for decorators
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{"version":3,"file":"index.cjs","sources":["../node_modules/.pnpm/babel-import-util@3.0.1/node_modules/babel-import-util/src/sanitize.js","../node_modules/.pnpm/babel-import-util@3.0.1/node_modules/babel-import-util/src/index.js","../src/index.ts"],"sourcesContent":["\"use strict\";\n// make a name into a valid javascript identifier, as pleasantly as possible.\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.sanitize = void 0;\nfunction sanitize(identifier) {\n // first we opportunistically do camelization when an illegal character is not\n // the first character and is followed by a lowercase letter, in an effort to\n // aid readability of the output.\n let cleaned = identifier.replace(new RegExp(`(?<!^)(?:${illegalChar.source})([a-z])`, 'g'), (_m, letter) => letter.toUpperCase());\n // then we unliterally strip all remaining illegal characters.\n cleaned = cleaned.replace(new RegExp(illegalChar.source, 'g'), '');\n return cleaned;\n}\nexports.sanitize = sanitize;\nconst illegalChar = /^[^a-zA-Z_$]|(?<=.)[^a-zA-Z_$0-9]/;\n//# sourceMappingURL=data:application/json;base64,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","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.ImportUtil = void 0;\nconst sanitize_1 = require(\"./sanitize\");\nclass ImportUtil {\n constructor(babel, program) {\n this.babel = babel;\n this.program = program;\n this.t = babel.types;\n }\n // remove one imported binding. If this is the last thing imported from the\n // given moduleSpecifier, the whole statement will also be removed.\n removeImport(moduleSpecifier, exportedName) {\n for (let topLevelPath of this.program.get('body')) {\n if (!matchModule(topLevelPath, moduleSpecifier)) {\n continue;\n }\n let importSpecifierPath = topLevelPath\n .get('specifiers')\n .find((specifierPath) => matchSpecifier(specifierPath, exportedName));\n if (importSpecifierPath) {\n if (topLevelPath.node.specifiers.length === 1) {\n topLevelPath.remove();\n }\n else {\n importSpecifierPath.remove();\n }\n }\n }\n }\n // remove all imports from the given moduleSpecifier\n removeAllImports(moduleSpecifier) {\n for (let topLevelPath of this.program.get('body')) {\n if (matchModule(topLevelPath, moduleSpecifier)) {\n topLevelPath.remove();\n }\n }\n }\n // Import the given value (if needed) and return an Identifier representing\n // it.\n //\n // This method is trickier to use safely than our higher-level methods\n // (`insertAfter`, `insertBefore`, `replaceWith`, `mutate`) because after you\n // insert the identifier into the AST, it's up to you to ensure that babel's\n // scope system is aware of the new reference. The other methods do that for\n // you automatically.\n import(\n // the spot at which you will insert the Identifier we return to you\n target, \n // the path to the module you're importing from\n moduleSpecifier, \n // the name you're importing from that module. Use \"default\" for the default\n // export. Use \"*\" for the namespace.\n exportedName, \n // Optional hint for helping us pick a name for the imported binding\n nameHint) {\n return this.unreferencedImport(target, moduleSpecifier, exportedName, desiredName(nameHint, exportedName, defaultNameHint(target)));\n }\n // Import the given value (if needed) and return an Identifier representing\n // it.\n unreferencedImport(\n // the spot at which you will insert the Identifier we return to you\n target, \n // the path to the module you're importing from\n moduleSpecifier, \n // the name you're importing from that module. Use \"default\" for the default\n // export. Use \"*\" for the namespace.\n exportedName, \n // the preferred name you want, if we neeed to create a new binding. You\n // might get something similar instead, to avoid collisions.\n preferredName) {\n var _a;\n let isNamespaceImport = exportedName === '*';\n let isDefaultImport = exportedName === 'default';\n let isNamedImport = !isDefaultImport && !isNamespaceImport;\n let declaration = this.findImportFrom(moduleSpecifier);\n let hasNamespaceSpecifier = declaration === null || declaration === void 0 ? void 0 : declaration.node.specifiers.find((s) => s.type === 'ImportNamespaceSpecifier');\n let hasNamedSpecifiers = declaration === null || declaration === void 0 ? void 0 : declaration.node.specifiers.find((s) => s.type === 'ImportSpecifier');\n /**\n * the file has a preexisting non-namespace import and a transform tries to add a namespace import, so they don't get combined\n * the file has a preexisting namespace import and a transform tries to add a non-namespace import, so they don't get combined\n * the file has a preexisting namespace import and a transform tries to add a namespace import, so they don't get combined\n */\n let cannotUseExistingDeclaration = (hasNamedSpecifiers && isNamespaceImport) ||\n (hasNamespaceSpecifier && isNamedImport) ||\n (hasNamespaceSpecifier && isNamespaceImport);\n if (!cannotUseExistingDeclaration && declaration) {\n let specifier = declaration\n .get('specifiers')\n .find((spec) => matchSpecifier(spec, exportedName));\n if (specifier && ((_a = target.scope.getBinding(specifier.node.local.name)) === null || _a === void 0 ? void 0 : _a.kind) === 'module') {\n return this.t.identifier(specifier.node.local.name);\n }\n else {\n return this.addSpecifier(target, declaration, exportedName, preferredName);\n }\n }\n else {\n let declaration = this.insertAfterExistingImports(this.t.importDeclaration([], this.t.stringLiteral(moduleSpecifier)));\n return this.addSpecifier(target, declaration, exportedName, preferredName);\n }\n }\n importForSideEffect(moduleSpecifier) {\n let declaration = this.findImportFrom(moduleSpecifier);\n if (!declaration) {\n this.insertAfterExistingImports(this.t.importDeclaration([], this.t.stringLiteral(moduleSpecifier)));\n }\n }\n replaceWith(target, fn) {\n return this.mutate((i) => {\n target.replaceWith(fn(i));\n // the return value of replaceWith is not a reliable way to get the\n // updated path, at least in the case where the user replaced an\n // expression with a statement. Instead we will rely on the fact that path\n // replacement also mutates its argument, so `target` now points at the\n // newly replaced path.\n return target;\n }, defaultNameHint(target));\n }\n insertAfter(target, fn) {\n return this.mutate((i) => target.insertAfter(fn(i))[0], defaultNameHint(target));\n }\n insertBefore(target, fn) {\n return this.mutate((i) => target.insertBefore(fn(i))[0], defaultNameHint(target));\n }\n // Low-level method for when you don't want to use our higher-level methods\n // (replaceWith, insertBefore, insertAfter)\n mutate(fn, defaultNameHint) {\n let symbols = new Map();\n const importer = {\n import: (moduleSpecifier, exportedName, nameHint) => {\n let identifier = this.t.identifier('__babel_import_util_placeholder__');\n symbols.set(identifier, { moduleSpecifier, exportedName, nameHint });\n return identifier;\n },\n };\n const updateReference = (path) => {\n if (!path.isIdentifier()) {\n return;\n }\n let hit = symbols.get(path.node);\n if (hit) {\n let newIdentifier = this.unreferencedImport(path, hit.moduleSpecifier, hit.exportedName, desiredName(hit.nameHint, hit.exportedName, defaultNameHint));\n path.replaceWith(newIdentifier);\n let binding = path.scope.getBinding(newIdentifier.name);\n if (!binding) {\n // we create the binding at the point where we add the import, so this\n // would indicate broken behavior\n throw new Error(`bug: this is supposed to never happen`);\n }\n binding.reference(path);\n }\n };\n let result = fn(importer);\n updateReference(result);\n this.babel.traverse(result.node, {\n ReferencedIdentifier: (path) => {\n updateReference(path);\n },\n }, result.scope, {}, result);\n return result;\n }\n addSpecifier(target, declaration, exportedName, preferredName) {\n let local = this.t.identifier(unusedNameLike(target, preferredName));\n let specifier = this.buildSpecifier(exportedName, local);\n let added;\n if (specifier.type === 'ImportDefaultSpecifier') {\n declaration.node.specifiers.unshift(specifier);\n added = declaration.get(`specifiers.0`);\n }\n else {\n declaration.node.specifiers.push(specifier);\n added = declaration.get(`specifiers.${declaration.node.specifiers.length - 1}`);\n }\n declaration.scope.registerBinding('module', added);\n return local;\n }\n buildSpecifier(exportedName, localName) {\n switch (exportedName) {\n case 'default':\n return this.t.importDefaultSpecifier(localName);\n case '*':\n return this.t.importNamespaceSpecifier(localName);\n default:\n return this.t.importSpecifier(localName, this.t.identifier(exportedName));\n }\n }\n findImportFrom(moduleSpecifier) {\n for (let path of this.program.get('body')) {\n if (path.isImportDeclaration() &&\n path.node.source.value === moduleSpecifier &&\n path.node.importKind !== 'type') {\n return path;\n }\n }\n return undefined;\n }\n insertAfterExistingImports(statement) {\n let lastIndex;\n for (let [index, node] of this.program.node.body.entries()) {\n if 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If this is the last thing imported from the\n  // given moduleSpecifier, the whole statement will also be removed.\n  removeImport(moduleSpecifier: string, exportedName: string): void {\n    for (let topLevelPath of this.program.get('body')) {\n      if (!matchModule(topLevelPath, moduleSpecifier)) {\n        continue;\n      }\n\n      let importSpecifierPath = topLevelPath\n        .get('specifiers')\n        .find((specifierPath) => matchSpecifier(specifierPath, exportedName));\n      if (importSpecifierPath) {\n        if (topLevelPath.node.specifiers.length === 1) {\n          topLevelPath.remove();\n        } else {\n          importSpecifierPath.remove();\n        }\n      }\n    }\n  }\n\n  // remove all imports from the given moduleSpecifier\n  removeAllImports(moduleSpecifier: string): void {\n    for (let topLevelPath of this.program.get('body')) {\n      if (matchModule(topLevelPath, moduleSpecifier)) {\n        topLevelPath.remove();\n      }\n    }\n  }\n\n  // Import the given value (if needed) and return an Identifier representing\n  // it.\n  //\n  // This method is trickier to use safely than our higher-level methods\n  // (`insertAfter`, `insertBefore`, `replaceWith`, `mutate`) because after you\n  // insert the identifier into the AST, it's up to you to ensure that babel's\n  // scope system is aware of the new reference. The other methods do that for\n  // you automatically.\n  import(\n    // the spot at which you will insert the Identifier we return to you\n    target: NodePath<t.Node>,\n\n    // the path to the module you're importing from\n    moduleSpecifier: string,\n\n    // the name you're importing from that module. Use \"default\" for the default\n    // export. Use \"*\" for the namespace.\n    exportedName: string,\n\n    // Optional hint for helping us pick a name for the imported binding\n    nameHint?: string\n  ): t.Identifier {\n    return this.unreferencedImport(\n      target,\n      moduleSpecifier,\n      exportedName,\n      desiredName(nameHint, exportedName, defaultNameHint(target))\n    );\n  }\n\n  // Import the given value (if needed) and return an Identifier representing\n  // it.\n  private unreferencedImport(\n    // the spot at which you will insert the Identifier we return to you\n    target: NodePath<t.Node>,\n\n    // the path to the module you're importing from\n    moduleSpecifier: string,\n\n    // the name you're importing from that module. Use \"default\" for the default\n    // export. Use \"*\" for the namespace.\n    exportedName: string,\n\n    // the preferred name you want, if we neeed to create a new binding. You\n    // might get something similar instead, to avoid collisions.\n    preferredName: string\n  ): t.Identifier {\n    let isNamespaceImport = exportedName === '*';\n    let isDefaultImport = exportedName === 'default';\n    let isNamedImport = !isDefaultImport && !isNamespaceImport;\n    let declaration = this.findImportFrom(moduleSpecifier);\n    let hasNamespaceSpecifier = declaration?.node.specifiers.find(\n      (s) => s.type === 'ImportNamespaceSpecifier'\n    );\n    let hasNamedSpecifiers = declaration?.node.specifiers.find((s) => s.type === 'ImportSpecifier');\n\n    /**\n     * the file has a preexisting non-namespace import and a transform tries to add a namespace import, so they don't get combined\n     * the file has a preexisting namespace import and a transform tries to add a non-namespace import, so they don't get combined\n     * the file has a preexisting namespace import and a transform tries to add a namespace import, so they don't get combined\n     */\n    let cannotUseExistingDeclaration =\n      (hasNamedSpecifiers && isNamespaceImport) ||\n      (hasNamespaceSpecifier && isNamedImport) ||\n      (hasNamespaceSpecifier && isNamespaceImport);\n\n    if (!cannotUseExistingDeclaration && declaration) {\n      let specifier = declaration\n        .get('specifiers')\n        .find((spec) => matchSpecifier(spec, exportedName));\n      if (specifier && target.scope.getBinding(specifier.node.local.name)?.kind === 'module') {\n        return this.t.identifier(specifier.node.local.name);\n      } else {\n        return this.addSpecifier(target, declaration, exportedName, preferredName);\n      }\n    } else {\n      let declaration = this.insertAfterExistingImports(\n        this.t.importDeclaration([], this.t.stringLiteral(moduleSpecifier))\n      );\n      return this.addSpecifier(target, declaration, exportedName, preferredName);\n    }\n  }\n\n  importForSideEffect(moduleSpecifier: string): void {\n    let declaration = this.findImportFrom(moduleSpecifier);\n    if (!declaration) {\n      this.insertAfterExistingImports(\n        this.t.importDeclaration([], this.t.stringLiteral(moduleSpecifier))\n      );\n    }\n  }\n\n  replaceWith<T extends t.Node, R extends t.Node>(\n    target: NodePath<T>,\n    fn: (i: Importer) => R\n  ): NodePath<R> {\n    return this.mutate((i) => {\n      target.replaceWith(fn(i));\n      // the return value of replaceWith is not a reliable way to get the\n      // updated path, at least in the case where the user replaced an\n      // expression with a statement. Instead we will rely on the fact that path\n      // replacement also mutates its argument, so `target` now points at the\n      // newly replaced path.\n      return target as unknown as NodePath<R>;\n    }, defaultNameHint(target));\n  }\n\n  insertAfter<T extends t.Node, R extends t.Node>(\n    target: NodePath<T>,\n    fn: (i: Importer) => R\n  ): NodePath<R> {\n    return this.mutate((i) => target.insertAfter(fn(i))[0] as NodePath<R>, defaultNameHint(target));\n  }\n\n  insertBefore<T extends t.Node, R extends t.Node>(\n    target: NodePath<T>,\n    fn: (i: Importer) => R\n  ): NodePath<R> {\n    return this.mutate(\n      (i) => target.insertBefore(fn(i))[0] as NodePath<R>,\n      defaultNameHint(target)\n    );\n  }\n\n  // Low-level method for when you don't want to use our higher-level methods\n  // (replaceWith, insertBefore, insertAfter)\n  mutate<Replacement extends t.Node>(\n    fn: (importer: Importer) => NodePath<Replacement>,\n    defaultNameHint?: string\n  ): NodePath<Replacement> {\n    let symbols: Map<\n      t.Identifier,\n      { moduleSpecifier: string; exportedName: string; nameHint: string | undefined }\n    > = new Map();\n    const importer: Importer = {\n      import: (moduleSpecifier: string, exportedName: string, nameHint?: string) => {\n        let identifier = this.t.identifier('__babel_import_util_placeholder__');\n        symbols.set(identifier, { moduleSpecifier, exportedName, nameHint });\n        return identifier;\n      },\n    };\n\n    const updateReference = (path: NodePath) => {\n      if (!path.isIdentifier()) {\n        return;\n      }\n      let hit = symbols.get(path.node);\n      if (hit) {\n        let newIdentifier = this.unreferencedImport(\n          path,\n          hit.moduleSpecifier,\n          hit.exportedName,\n          desiredName(hit.nameHint, hit.exportedName, defaultNameHint)\n        );\n        path.replaceWith(newIdentifier);\n        let binding = path.scope.getBinding(newIdentifier.name);\n        if (!binding) {\n          // we create the binding at the point where we add the import, so this\n          // would indicate broken behavior\n          throw new Error(`bug: this is supposed to never happen`);\n        }\n        binding.reference(path);\n      }\n    };\n\n    let result = fn(importer);\n    updateReference(result);\n    this.babel.traverse(\n      result.node,\n      {\n        ReferencedIdentifier: (path) => {\n          updateReference(path);\n        },\n      },\n      result.scope,\n      {},\n      result\n    );\n    return result;\n  }\n\n  private addSpecifier(\n    target: NodePath<t.Node>,\n    declaration: NodePath<t.ImportDeclaration>,\n    exportedName: string,\n    preferredName: string\n  ): t.Identifier {\n    let local = this.t.identifier(unusedNameLike(target, preferredName));\n    let specifier = this.buildSpecifier(exportedName, local);\n    let added: NodePath;\n    if (specifier.type === 'ImportDefaultSpecifier') {\n      declaration.node.specifiers.unshift(specifier);\n      added = declaration.get(`specifiers.0`) as NodePath;\n    } else {\n      declaration.node.specifiers.push(specifier);\n      added = declaration.get(`specifiers.${declaration.node.specifiers.length - 1}`) as NodePath;\n    }\n    declaration.scope.registerBinding('module', added);\n    return local;\n  }\n\n  private buildSpecifier(exportedName: string, localName: t.Identifier) {\n    switch (exportedName) {\n      case 'default':\n        return this.t.importDefaultSpecifier(localName);\n      case '*':\n        return this.t.importNamespaceSpecifier(localName);\n      default:\n        return this.t.importSpecifier(localName, this.t.identifier(exportedName));\n    }\n  }\n\n  private findImportFrom(moduleSpecifier: string): NodePath<t.ImportDeclaration> | undefined {\n    for (let path of this.program.get('body')) {\n      if (\n        path.isImportDeclaration() &&\n        path.node.source.value === moduleSpecifier &&\n        path.node.importKind !== 'type'\n      ) {\n        return path;\n      }\n    }\n    return undefined;\n  }\n\n  private insertAfterExistingImports<S extends t.Statement>(statement: S): NodePath<S> {\n    let lastIndex: number | undefined;\n    for (let [index, node] of this.program.node.body.entries()) {\n      if (node.type === 'ImportDeclaration') {\n        lastIndex = index;\n      }\n    }\n    if (lastIndex == null) {\n      // we are intentionally not using babel's container-aware methods, because\n      // while in theory it's nice that they schedule other plugins to run on\n      // our nodes, in practice those nodes might get mutated or removed by some\n      // other plugin in the intervening time causing failures.\n      this.program.node.body.unshift(statement);\n      return this.program.get('body.0') as NodePath<S>;\n    } else {\n      this.program.node.body.splice(lastIndex + 1, 0, statement);\n      return this.program.get(`body.${lastIndex + 1}`) as NodePath<S>;\n    }\n  }\n}\n\nfunction unusedNameLike(path: NodePath<t.Node>, name: string): string {\n  let candidate = name;\n  let counter = 0;\n  while (path.scope.hasBinding(candidate)) {\n    candidate = `${name}${counter++}`;\n  }\n  return candidate;\n}\n\nfunction name(node: t.StringLiteral | t.Identifier): string {\n  if (node.type === 'StringLiteral') {\n    return node.value;\n  } else {\n    return node.name;\n  }\n}\n\nfunction desiredName(\n  nameHint: string | undefined,\n  exportedName: string,\n  defaultNameHint: string | undefined\n) {\n  if (nameHint) {\n    return sanitize(nameHint);\n  }\n  if (exportedName === 'default' || exportedName === '*') {\n    return defaultNameHint ?? 'a';\n  } else {\n    return exportedName;\n  }\n}\n\nfunction defaultNameHint(target: NodePath): string | undefined {\n  if (target?.isIdentifier()) {\n    return target.node.name;\n  } else if (target) {\n    return target.scope.generateUidIdentifierBasedOnNode(target.node).name;\n  } else {\n    return undefined;\n  }\n}\n\nfunction matchSpecifier(spec: NodePath<any>, exportedName: string): boolean {\n  switch (exportedName) {\n    case 'default':\n      return spec.isImportDefaultSpecifier();\n    case '*':\n      return spec.isImportNamespaceSpecifier();\n    default:\n      return spec.isImportSpecifier() && name(spec.node.imported) === exportedName;\n  }\n}\n\nfunction matchModule(\n  path: NodePath<any>,\n  moduleSpecifier: string\n): path is NodePath<t.ImportDeclaration> {\n  return path.isImportDeclaration() && path.get('source').node.value === moduleSpecifier;\n}\n\nexport interface Importer {\n  // Import the given value (if needed) and return an Identifier representing\n  // it.\n  import(\n    // the path to the module you're importing from\n    moduleSpecifier: string,\n\n    // the name you're importing from that module. Use \"default\" for the default\n    // export. Use \"*\" for the namespace.\n    exportedName: string,\n\n    // Optional hint for helping us pick a name for the imported binding\n    nameHint?: string\n  ): t.Identifier;\n}\n"]}","import type * as Babel from '@babel/core';\nimport type { types as t, NodePath } from '@babel/core';\nimport { ImportUtil, type Importer } from 'babel-import-util';\nimport { globalId } from './global-id.ts';\n\ninterface State extends Babel.PluginPass {\n currentClassBodies: t.ClassBody[];\n currentObjectExpressions: {\n node: t.ObjectExpression;\n decorated: [\n 'field' | 'method',\n t.Expression, // for the property name\n t.Expression[], // for the decorators applied to it\n ][];\n }[];\n opts: Options;\n runtime: (i: Importer, fnName: string) => t.Expression;\n util: ImportUtil;\n optsWithDefaults: Required<Options>;\n}\n\nexport interface Options {\n runtime?: 'globals' | { import: string };\n runEarly?: boolean;\n}\n\nfunction makeVisitor(babel: typeof Babel): Babel.Visitor<State> {\n const t = babel.types;\n return {\n Program(path: NodePath<t.Program>, state: State) {\n state.currentClassBodies = [];\n state.currentObjectExpressions = [];\n state.optsWithDefaults = {\n runtime: 'globals',\n runEarly: false,\n ...state.opts,\n };\n state.util = new ImportUtil(babel, path);\n state.runtime = (i: Importer, fnName: string) => {\n const { runtime } = state.optsWithDefaults;\n if (runtime === 'globals') {\n return t.memberExpression(\n t.identifier(globalId),\n t.identifier(fnName),\n );\n } else {\n return i.import(runtime.import, fnName);\n }\n };\n },\n ClassBody: {\n enter(path, state) {\n state.currentClassBodies.unshift(path.node);\n },\n exit(path, state) {\n if (state.currentClassBodies[0] === path.node) {\n state.currentClassBodies.shift();\n }\n },\n },\n ClassExpression(path, state) {\n let decorators = path.get('decorators') as\n | NodePath<t.Decorator>[]\n | NodePath<null>;\n if (Array.isArray(decorators) && decorators.length > 0) {\n state.util.replaceWith(path, (i) => {\n let call = t.callExpression(state.runtime(i, 'c'), [\n path.node,\n t.arrayExpression(\n decorators\n .slice()\n .reverse()\n .map((d) => d.node.expression),\n ),\n ]);\n for (let decorator of decorators) {\n decorator.remove();\n }\n return call;\n });\n }\n },\n ClassDeclaration(path, state) {\n let decorators = path.get('decorators') as\n | NodePath<t.Decorator>[]\n | NodePath<null>;\n if (Array.isArray(decorators) && decorators.length > 0) {\n const buildCall = (i: Importer) => {\n return t.callExpression(state.runtime(i, 'c'), [\n t.classExpression(\n path.node.id,\n path.node.superClass,\n path.node.body,\n [], // decorators removed here\n ),\n t.arrayExpression(\n decorators\n .slice()\n .reverse()\n .map((d) => d.node.expression),\n ),\n ]);\n };\n\n if (path.parentPath.isExportDefaultDeclaration()) {\n let id = path.node.id;\n if (id) {\n state.util.insertBefore(path.parentPath, (i) =>\n t.variableDeclaration('const', [\n t.variableDeclarator(id, buildCall(i)),\n ]),\n );\n path.parentPath.replaceWith(t.exportDefaultDeclaration(id));\n } else {\n state.util.replaceWith(path.parentPath, (i) =>\n t.exportDefaultDeclaration(buildCall(i)),\n );\n }\n } else if (path.parentPath.isExportNamedDeclaration()) {\n let id = path.node.id;\n if (!id) {\n throw new Error(\n `bug: expected a class name is required in this context`,\n );\n }\n state.util.insertBefore(path.parentPath, (i) =>\n t.variableDeclaration('const', [\n t.variableDeclarator(id, buildCall(i)),\n ]),\n );\n path.parentPath.replaceWith(\n t.exportNamedDeclaration(null, [t.exportSpecifier(id, id)]),\n );\n } else {\n let id = path.node.id;\n if (!id) {\n throw new Error(\n `bug: expected a class name is required in this context`,\n );\n }\n state.util.replaceWith(path, (i) =>\n t.variableDeclaration('const', [\n t.variableDeclarator(id, buildCall(i)),\n ]),\n );\n }\n }\n },\n ClassProperty(path, state) {\n let decorators = path.get('decorators') as\n | NodePath<t.Decorator>[]\n | NodePath<null>;\n if (Array.isArray(decorators) && decorators.length > 0) {\n let prototype: t.Expression;\n if (path.node.static) {\n prototype = t.thisExpression();\n } else {\n prototype = t.memberExpression(\n t.thisExpression(),\n t.identifier('prototype'),\n );\n }\n let args: t.Expression[] = [\n prototype,\n valueForFieldKey(t, path.node.key),\n t.arrayExpression(\n decorators\n .slice()\n .reverse()\n .map((d) => d.node.expression),\n ),\n ];\n if (path.node.value) {\n args.push(\n t.functionExpression(\n null,\n [],\n t.blockStatement([t.returnStatement(path.node.value)]),\n ),\n );\n }\n state.util.insertBefore<t.ClassProperty, t.StaticBlock>(path, (i) =>\n t.staticBlock([\n t.expressionStatement(\n t.callExpression(state.runtime(i, 'g'), args),\n ),\n ]),\n );\n state.util.insertBefore<t.ClassProperty, t.ClassPrivateProperty>(\n path,\n (i) =>\n t.classPrivateProperty(\n t.privateName(\n t.identifier(\n unusedPrivateNameLike(state, propName(path.node.key)),\n ),\n ),\n t.sequenceExpression([\n t.callExpression(state.runtime(i, 'i'), [\n t.thisExpression(),\n valueForFieldKey(t, path.node.key),\n ]),\n t.unaryExpression('void', t.numericLiteral(0), true),\n ]),\n ),\n );\n path.remove();\n }\n },\n ClassMethod(path, state) {\n let decorators = path.get('decorators') as\n | NodePath<t.Decorator>[]\n | NodePath<null>;\n if (Array.isArray(decorators) && decorators.length > 0) {\n let prototype: t.Expression;\n if (path.node.static) {\n prototype = t.thisExpression();\n } else {\n prototype = t.memberExpression(\n t.thisExpression(),\n t.identifier('prototype'),\n );\n }\n state.util.insertAfter(path as NodePath<t.ClassMethod>, (i) =>\n t.staticBlock(