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Make before and after program create callbacks optional

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This commit is contained in:
Sheetal Nandi 2017-12-04 15:24:22 -08:00
parent 471c83b7f5
commit 1a91256c22
2 changed files with 11 additions and 11 deletions
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14
src/compiler/watch.ts
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@ -165,10 +165,10 @@ namespace ts {
/** FS system to use */
system: System;
/** Custom action before creating the program */
beforeProgramCreate(compilerOptions: CompilerOptions): void;
/** Custom action after new program creation is successful */
afterProgramCreate(host: DirectoryStructureHost, program: Program): void;
/** If provided, callback to invoke before each program creation */
beforeProgramCreate?(compilerOptions: CompilerOptions): void;
/** If provided, callback to invoke after every new program creation */
afterProgramCreate?(host: DirectoryStructureHost, program: Program): void;
/** Optional module name resolver */
resolveModuleNames?(moduleNames: string[], containingFile: string, reusedNames?: string[]): ResolvedModule[];
@ -239,7 +239,6 @@ namespace ts {
export function createWatchOfConfigFile(configFileName: string, optionsToExtend?: CompilerOptions, system = sys, reportDiagnostic?: DiagnosticReporter): WatchOfConfigFile {
return createWatch({
system,
beforeProgramCreate: noop,
afterProgramCreate: createProgramCompilerWithBuilderState(system, reportDiagnostic),
onConfigFileDiagnostic: reportDiagnostic || createDiagnosticReporter(system),
configFileName,
@ -253,7 +252,6 @@ namespace ts {
export function createWatchOfFilesAndCompilerOptions(rootFiles: string[], options: CompilerOptions, system = sys, reportDiagnostic?: DiagnosticReporter): WatchOfFilesAndCompilerOptions {
return createWatch({
system,
beforeProgramCreate: noop,
afterProgramCreate: createProgramCompilerWithBuilderState(system, reportDiagnostic),
rootFiles,
options
@ -286,7 +284,9 @@ namespace ts {
let hasChangedCompilerOptions = false; // True if the compiler options have changed between compilations
let hasChangedAutomaticTypeDirectiveNames = false; // True if the automatic type directives have changed
const { system, configFileName, onConfigFileDiagnostic, afterProgramCreate, beforeProgramCreate, optionsToExtend: optionsToExtendForConfigFile = {} } = host as WatchOfConfigFileHost;
const { system, configFileName, onConfigFileDiagnostic, optionsToExtend: optionsToExtendForConfigFile = {} } = host as WatchOfConfigFileHost;
const beforeProgramCreate: WatchHost["beforeProgramCreate"] = host.beforeProgramCreate ? host.beforeProgramCreate.bind(host) : noop;
const afterProgramCreate: WatchHost["afterProgramCreate"] = host.afterProgramCreate ? host.afterProgramCreate.bind(host) : noop;
let { rootFiles: rootFileNames, options: compilerOptions, configFileSpecs, configFileWildCardDirectories } = host as WatchOfConfigFileHost;
// From tsc we want to get already parsed result and hence check for rootFileNames

8
tests/baselines/reference/api/typescript.d.ts vendored
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@ -3823,10 +3823,10 @@ declare namespace ts {
interface WatchHost {
/** FS system to use */
system: System;
/** Custom action before creating the program */
beforeProgramCreate(compilerOptions: CompilerOptions): void;
/** Custom action after new program creation is successful */
afterProgramCreate(host: DirectoryStructureHost, program: Program): void;
/** If provided, callback to invoke before each program creation */
beforeProgramCreate?(compilerOptions: CompilerOptions): void;
/** If provided, callback to invoke after every new program creation */
afterProgramCreate?(host: DirectoryStructureHost, program: Program): void;
/** Optional module name resolver */
resolveModuleNames?(moduleNames: string[], containingFile: string, reusedNames?: string[]): ResolvedModule[];
}