{"version":3,"sources":["../../../src/server/typescript/utils.ts"],"sourcesContent":["import path from 'path'\n\nimport type tsModule from 'typescript/lib/tsserverlibrary'\ntype TypeScript = typeof import('typescript/lib/tsserverlibrary')\n\nlet ts: TypeScript\nlet info: tsModule.server.PluginCreateInfo\nlet appDirRegExp: RegExp\n\nexport function log(message: string) {\n  info.project.projectService.logger.info('[next] ' + message)\n}\n\n// This function has to be called initially.\nexport function init(opts: {\n  ts: TypeScript\n  info: tsModule.server.PluginCreateInfo\n}) {\n  const projectDir = opts.info.project.getCurrentDirectory()\n  ts = opts.ts\n  info = opts.info\n  appDirRegExp = new RegExp(\n    '^' + (projectDir + '(/src)?/app').replace(/[\\\\/]/g, '[\\\\/]')\n  )\n\n  log('Initialized Next.js TypeScript plugin: ' + projectDir)\n}\n\nexport function getTs() {\n  return ts\n}\n\nexport function getInfo() {\n  return info\n}\n\nexport function getTypeChecker() {\n  const program = info.languageService.getProgram()\n  if (!program) {\n    log('Failed to get program while while running getTypeChecker.')\n    return\n  }\n  const typeChecker = program.getTypeChecker()\n  if (!typeChecker) {\n    log('Failed to get type checker while running getTypeChecker.')\n    return\n  }\n  return typeChecker\n}\n\nexport function getSource(fileName: string) {\n  const program = info.languageService.getProgram()\n  if (!program) {\n    log('Failed to get program while running getSource for: ' + fileName)\n    return\n  }\n\n  const sourceFile = program.getSourceFile(fileName)\n  if (!sourceFile) {\n    log('Failed to get source file while running getSource for: ' + fileName)\n    return\n  }\n\n  return sourceFile\n}\n\nexport function removeStringQuotes(str: string): string {\n  return str.replace(/^['\"`]|['\"`]$/g, '')\n}\n\nexport const isPositionInsideNode = (position: number, node: tsModule.Node) => {\n  const start = node.getFullStart()\n  return start <= position && position <= node.getFullWidth() + start\n}\n\nexport const isDefaultFunctionExport = (\n  node: tsModule.Node\n): node is tsModule.FunctionDeclaration => {\n  if (ts.isFunctionDeclaration(node)) {\n    let hasExportKeyword = false\n    let hasDefaultKeyword = false\n\n    if (node.modifiers) {\n      for (const modifier of node.modifiers) {\n        if (modifier.kind === ts.SyntaxKind.ExportKeyword) {\n          hasExportKeyword = true\n        } else if (modifier.kind === ts.SyntaxKind.DefaultKeyword) {\n          hasDefaultKeyword = true\n        }\n      }\n    }\n\n    // `export default function`\n    if (hasExportKeyword && hasDefaultKeyword) {\n      return true\n    }\n  }\n  return false\n}\n\nexport const isInsideApp = (filePath: string) => {\n  return appDirRegExp.test(filePath)\n}\nexport const isAppEntryFile = (filePath: string) => {\n  return (\n    appDirRegExp.test(filePath) &&\n    /^(page|layout)\\.(mjs|js|jsx|ts|tsx)$/.test(path.basename(filePath))\n  )\n}\nexport const isPageFile = (filePath: string) => {\n  return (\n    appDirRegExp.test(filePath) &&\n    /^page\\.(mjs|js|jsx|ts|tsx)$/.test(path.basename(filePath))\n  )\n}\n\n// Check if a module is a client entry.\nexport function getEntryInfo(\n  fileName: string,\n  throwOnInvalidDirective?: boolean\n) {\n  const source = getSource(fileName)\n  if (source) {\n    let isDirective = true\n    let isClientEntry = false\n    let isServerEntry = false\n\n    ts.forEachChild(source!, (node) => {\n      if (\n        ts.isExpressionStatement(node) &&\n        ts.isStringLiteral(node.expression)\n      ) {\n        if (node.expression.text === 'use client') {\n          if (isDirective) {\n            isClientEntry = true\n          } else {\n            if (throwOnInvalidDirective) {\n              const e = {\n                messageText:\n                  'The `\"use client\"` directive must be put at the top of the file.',\n                start: node.expression.getStart(),\n                length: node.expression.getWidth(),\n              }\n              throw e\n            }\n          }\n        } else if (node.expression.text === 'use server') {\n          if (isDirective) {\n            isServerEntry = true\n          } else {\n            if (throwOnInvalidDirective) {\n              const e = {\n                messageText:\n                  'The `\"use server\"` directive must be put at the top of the file.',\n                start: node.expression.getStart(),\n                length: node.expression.getWidth(),\n              }\n              throw e\n            }\n          }\n        }\n\n        if (isClientEntry && isServerEntry) {\n          const e = {\n            messageText:\n              'Cannot use both \"use client\" and \"use server\" directives in the same file.',\n            start: node.expression.getStart(),\n            length: node.expression.getWidth(),\n          }\n          throw e\n        }\n      } else {\n        isDirective = false\n      }\n    })\n\n    return { client: isClientEntry, server: isServerEntry }\n  }\n\n  return { client: false, server: false 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