kotlin-typescript/typescript/WatchCompilerHostOfFilesAndCompilerOptions

WatchCompilerHostOfFilesAndCompilerOptions

sealed external interface WatchCompilerHostOfFilesAndCompilerOptions<T : BuilderProgram> : WatchCompilerHost<T> (source)

Host to create watch with root files and options

Properties

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abstract val afterProgramCreate: (program: T) -> Unit?

If provided, callback to invoke after every new program creation

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abstract val clearTimeout: (timeoutId: Any?) -> Unit?

If provided, will be used to reset existing delayed compilation

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abstract val createHash: (data: String) -> String?
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abstract var createProgram: CreateProgram<T>

Used to create the program when need for program creation or recreation detected

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abstract val directoryExists: (path: String) -> Boolean?

If provided, used for module resolution as well as to handle directory structure

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abstract val getDefaultLibLocation: () -> String?
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abstract val getDirectories: (path: String) -> ReadonlyArray<String>?

If provided, used in resolutions as well as handling directory structure

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abstract val getEnvironmentVariable: (name: String) -> String??

If provided is used to get the environment variable

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abstract val getModuleResolutionCache: () -> ModuleResolutionCache??

Returns the module resolution cache used by a provided resolveModuleNames implementation so that any non-name module resolution operations (eg, package.json lookup) can reuse it

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abstract val getParsedCommandLine: (fileName: String) -> ParsedCommandLine??

If provided, use this method to get parsed command lines for referenced projects

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abstract val hasInvalidatedResolutions: (Path) -> Boolean?

If provided along with custom resolveModuleNames or resolveTypeReferenceDirectives, used to determine if unchanged file path needs to re-resolve modules/type reference directives

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abstract val onWatchStatusChange: (diagnostic: Diagnostic, newLine: String, options: CompilerOptions, errorCount: Double?) -> Unit?

If provided, called with Diagnostic message that informs about change in watch status

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abstract var options: CompilerOptions

Compiler options

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abstract var projectReferences: ReadonlyArray<ProjectReference>?

Project References

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abstract val readDirectory: (path: String, ReadonlyArray<String>?, ReadonlyArray<String>?, ReadonlyArray<String>?, depth: Double?) -> ReadonlyArray<String>?

If provided, used to cache and handle directory structure modifications

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abstract val realpath: (path: String) -> String?

Symbol links resolution

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abstract val resolveModuleNames: (ReadonlyArray<String>, containingFile: String, ReadonlyArray<String>?, redirectedReference: ResolvedProjectReference?, options: CompilerOptions, containingSourceFile: SourceFile?) -> ReadonlyArray<ResolvedModule?>?
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abstract val resolveTypeReferenceDirectives: (typeReferenceDirectiveNames: Any, containingFile: String, redirectedReference: ResolvedProjectReference?, options: CompilerOptions, ResolutionMode) -> ReadonlyArray<ResolvedTypeReferenceDirective?>?
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abstract var rootFiles: ReadonlyArray<String>

root files to use to generate program

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abstract val setTimeout: Function<Any?>?

If provided, will be used to set delayed compilation, so that multiple changes in short span are compiled together

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abstract val trace: (s: String) -> Unit?

If provided would be used to write log about compilation

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abstract val useSourceOfProjectReferenceRedirect: () -> Boolean?

Instead of using output d.ts file from project reference, use its source file

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abstract var watchOptions: WatchOptions?

Functions

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abstract fun fileExists(path: String): Boolean

Use to check file presence for source files and if resolveModuleNames is not provided (complier is in charge of module resolution) then module files as well

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abstract fun getCurrentDirectory(): String
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abstract fun getDefaultLibFileName(options: CompilerOptions): String
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abstract fun getNewLine(): String
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abstract fun readFile(path: String, encoding: String = definedExternally): String?

Use to read file text for source files and if resolveModuleNames is not provided (complier is in charge of module resolution) then module files as well

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abstract fun watchDirectory(path: String, callback: DirectoryWatcherCallback, recursive: Boolean = definedExternally, options: WatchOptions = definedExternally): FileWatcher

Used to watch resolved module's failed lookup locations, config file specs, type roots where auto type reference directives are added

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abstract fun watchFile(path: String, callback: FileWatcherCallback, pollingInterval: Double = definedExternally, options: WatchOptions = definedExternally): FileWatcher

Used to watch changes in source files, missing files needed to update the program or config file