UNPKG

9.09 kBSource Map (JSON)View Raw
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fixupCompilerOptions(\n transpileOptions.compilerOptions,\n compilerOptionsDiagnostics\n )\n : {};\n\n // mix in default options\n const defaultOptions = getDefaultCompilerOptions();\n for (const key in defaultOptions) {\n if (hasProperty(defaultOptions, key) && options[key] === undefined) {\n options[key] = defaultOptions[key];\n }\n }\n\n for (const option of transpileOptionValueCompilerOptions) {\n options[option.name] = option.transpileOptionValue;\n }\n\n // transpileModule does not write anything to disk so there is no need to verify that there are no conflicts between input and output paths.\n options.suppressOutputPathCheck = true;\n\n // Filename can be non-ts file.\n options.allowNonTsExtensions = true;\n\n const newLine = getNewLineCharacter(options);\n // Create a compilerHost object to allow the compiler to read and write files\n const compilerHost: CompilerHost = {\n getSourceFile: (fileName) =>\n fileName === normalizePath(inputFileName) ? sourceFile : undefined,\n writeFile: (name, text) => {\n if (fileExtensionIs(name, '.map')) {\n Debug.assertEqual(\n sourceMapText,\n undefined,\n 'Unexpected multiple source map outputs, file:',\n name\n );\n sourceMapText = text;\n } else {\n Debug.assertEqual(\n outputText,\n undefined,\n 'Unexpected multiple outputs, file:',\n name\n );\n outputText = text;\n }\n },\n getDefaultLibFileName: () => 'lib.d.ts',\n useCaseSensitiveFileNames: () => true,\n getCanonicalFileName: (fileName) => fileName,\n getCurrentDirectory: () => '',\n getNewLine: () => newLine,\n fileExists: (fileName): boolean =>\n fileName === inputFileName || fileName === packageJsonFileName,\n readFile: (fileName) =>\n fileName === packageJsonFileName ? `{\"type\": \"${_packageJsonType}\"}` : '',\n directoryExists: () => true,\n getDirectories: () => [],\n };\n\n let inputFileName: string;\n let packageJsonFileName: string;\n let _packageJsonType: 'module' | 'commonjs';\n let sourceFile: SourceFile;\n let outputText: string | undefined;\n let sourceMapText: string | undefined;\n\n return transpileModule;\n\n function transpileModule(\n input: string,\n transpileOptions2: Pick<\n TranspileOptions,\n 'fileName' | 'moduleName' | 'renamedDependencies'\n >,\n packageJsonType: 'module' | 'commonjs' = 'commonjs'\n ): TranspileOutput {\n // if jsx is specified then treat file as .tsx\n inputFileName =\n transpileOptions2.fileName ||\n (transpileOptions.compilerOptions && transpileOptions.compilerOptions.jsx\n ? 'module.tsx'\n : 'module.ts');\n packageJsonFileName = getDirectoryPath(inputFileName) + '/package.json';\n _packageJsonType = packageJsonType;\n\n sourceFile = createSourceFile(inputFileName, input, {\n languageVersion: getEmitScriptTarget(options),\n impliedNodeFormat: getImpliedNodeFormatForFile(\n toPath(inputFileName, '', compilerHost.getCanonicalFileName),\n /*cache*/ undefined,\n compilerHost,\n options\n ),\n setExternalModuleIndicator: getSetExternalModuleIndicator(options),\n });\n if (transpileOptions2.moduleName) {\n sourceFile.moduleName = transpileOptions2.moduleName;\n }\n\n if (transpileOptions2.renamedDependencies) {\n (sourceFile as any).renamedDependencies = new Map(\n getEntries(transpileOptions2.renamedDependencies)\n );\n }\n\n // Output\n outputText = undefined;\n sourceMapText = undefined;\n\n const program = createProgram([inputFileName], options, compilerHost);\n\n const diagnostics = compilerOptionsDiagnostics.slice();\n\n if (transpileOptions.reportDiagnostics) {\n addRange(\n /*to*/ diagnostics,\n /*from*/ program.getSyntacticDiagnostics(sourceFile)\n );\n addRange(/*to*/ diagnostics, /*from*/ program.getOptionsDiagnostics());\n }\n // Emit\n program.emit(\n /*targetSourceFile*/ undefined,\n /*writeFile*/ undefined,\n /*cancellationToken*/ undefined,\n /*emitOnlyDtsFiles*/ undefined,\n transpileOptions.transformers\n );\n\n if (outputText === undefined) return Debug.fail('Output generation failed');\n\n return { outputText, diagnostics, sourceMapText };\n }\n}\n"]}
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