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return empty file watcher in case if target directory does not exist (#12091)

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* return empty file watcher in case if target directory does not exist

* linter
This commit is contained in:
Vladimir Matveev 2016-11-07 15:48:46 -08:00 committed by GitHub
parent 4ffdea838a
commit 0173a3fa79
2 changed files with 29 additions and 1 deletions
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3
src/compiler/sys.ts
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@ -439,6 +439,7 @@ namespace ts {
return filter<string>(_fs.readdirSync(path), dir => fileSystemEntryExists(combinePaths(path, dir), FileSystemEntryKind.Directory));
}
const noOpFileWatcher: FileWatcher = { close: noop };
const nodeSystem: System = {
args: process.argv.slice(2),
newLine: _os.EOL,
@ -475,7 +476,7 @@ namespace ts {
// (ref: https://github.com/nodejs/node/pull/2649 and https://github.com/Microsoft/TypeScript/issues/4643)
let options: any;
if (!directoryExists(directoryName)) {
return;
return noOpFileWatcher;
}
if (isNode4OrLater() && (process.platform === "win32" || process.platform === "darwin")) {

27
src/harness/unittests/tsserverProjectSystem.ts
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@ -1964,6 +1964,33 @@ namespace ts.projectSystem {
projectService.checkNumberOfProjects({ configuredProjects: 1 });
checkProjectActualFiles(projectService.configuredProjects[0], [libES5.path, libES2015Promise.path, app.path]);
});
it("should handle non-existing directories in config file", () => {
const f = {
path: "/a/src/app.ts",
content: "let x = 1;"
};
const config = {
path: "/a/tsconfig.json",
content: JSON.stringify({
compilerOptions: {},
include: [
"src/**/*",
"notexistingfolder/*"
]
})
};
const host = createServerHost([f, config]);
const projectService = createProjectService(host);
projectService.openClientFile(f.path);
projectService.checkNumberOfProjects({ configuredProjects: 1 });
projectService.closeClientFile(f.path);
projectService.checkNumberOfProjects({ configuredProjects: 0 });
projectService.openClientFile(f.path);
projectService.checkNumberOfProjects({ configuredProjects: 1 });
});
});
describe("prefer typings to js", () => {