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[WIP] support for project references in languageService codepath #1111

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[WIP] support for project references in languageService codepath #1111

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17 changes: 16 additions & 1 deletion src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -535,6 +535,8 @@ export function create (rawOptions: CreateOptions = {}): Register {
return transformers
}

const compilerHost: _ts.TODO

// Create the compiler host for type checking.
const serviceHost: _ts.LanguageServiceHost = {
getProjectVersion: () => String(projectVersion),
Expand Down Expand Up @@ -568,11 +570,24 @@ export function create (rawOptions: CreateOptions = {}): Register {
getCurrentDirectory: () => cwd,
getCompilationSettings: () => config.options,
getDefaultLibFileName: () => ts.getDefaultLibFilePath(config.options),
getCustomTransformers: getCustomTransformers
getCustomTransformers: getCustomTransformers,
getProjectReferences() { return config.projectReferences },
// TODO Add both of the following function signatures to an "Internals" declaration somewhere,
// copied from TS source code
useSourceOfProjectReferenceRedirect() { return true },
setCompilerHost(_compilerHost: _ts.CompilerHost) {
compilerHost = _compilerHost
setResolverHost(compilerHost)
}
}

const registry = ts.createDocumentRegistry(ts.sys.useCaseSensitiveFileNames, cwd)
const service = ts.createLanguageService(serviceHost, registry)
setResolverHost(serviceHost)
// TODO ADD THIS TO THE RESOLVER FACTORY AFTER THAT'S BEEN MERGED
function setResolverHost(newHost: _ts.ModuleResolutionHost) {
serviceHost = newHost
}

const updateMemoryCache = (contents: string, fileName: string) => {
// Add to `rootFiles` if not already there
Expand Down