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typingsCache.ts
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143 lines (126 loc) · 5.9 KB
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namespace ts.server {
export interface InstallPackageOptionsWithProject extends InstallPackageOptions {
projectName: string;
projectRootPath: Path;
}
// for backwards-compatibility
// eslint-disable-next-line @typescript-eslint/naming-convention
export interface ITypingsInstaller {
isKnownTypesPackageName(name: string): boolean;
installPackage(options: InstallPackageOptionsWithProject): Promise<ApplyCodeActionCommandResult>;
enqueueInstallTypingsRequest(p: Project, typeAcquisition: TypeAcquisition, unresolvedImports: SortedReadonlyArray<string> | undefined): void;
attach(projectService: ProjectService): void;
onProjectClosed(p: Project): void;
readonly globalTypingsCacheLocation: string | undefined;
}
export const nullTypingsInstaller: ITypingsInstaller = {
isKnownTypesPackageName: returnFalse,
// Should never be called because we never provide a types registry.
installPackage: notImplemented,
enqueueInstallTypingsRequest: noop,
attach: noop,
onProjectClosed: noop,
globalTypingsCacheLocation: undefined! // TODO: GH#18217
};
interface TypingsCacheEntry {
readonly typeAcquisition: TypeAcquisition;
readonly compilerOptions: CompilerOptions;
readonly typings: SortedReadonlyArray<string>;
readonly unresolvedImports: SortedReadonlyArray<string> | undefined;
/* mainly useful for debugging */
poisoned: boolean;
}
function setIsEqualTo(arr1: string[] | undefined, arr2: string[] | undefined): boolean {
if (arr1 === arr2) {
return true;
}
if ((arr1 || emptyArray).length === 0 && (arr2 || emptyArray).length === 0) {
return true;
}
const set = new Map<string, boolean>();
let unique = 0;
for (const v of arr1!) {
if (set.get(v) !== true) {
set.set(v, true);
unique++;
}
}
for (const v of arr2!) {
const isSet = set.get(v);
if (isSet === undefined) {
return false;
}
if (isSet === true) {
set.set(v, false);
unique--;
}
}
return unique === 0;
}
function typeAcquisitionChanged(opt1: TypeAcquisition, opt2: TypeAcquisition): boolean {
return opt1.enable !== opt2.enable ||
!setIsEqualTo(opt1.include, opt2.include) ||
!setIsEqualTo(opt1.exclude, opt2.exclude);
}
function compilerOptionsChanged(opt1: CompilerOptions, opt2: CompilerOptions): boolean {
// TODO: add more relevant properties
return getAllowJSCompilerOption(opt1) !== getAllowJSCompilerOption(opt2);
}
function unresolvedImportsChanged(imports1: SortedReadonlyArray<string> | undefined, imports2: SortedReadonlyArray<string> | undefined): boolean {
if (imports1 === imports2) {
return false;
}
return !arrayIsEqualTo(imports1, imports2);
}
/*@internal*/
export class TypingsCache {
private readonly perProjectCache = new Map<string, TypingsCacheEntry>();
constructor(private readonly installer: ITypingsInstaller) {
}
isKnownTypesPackageName(name: string): boolean {
return this.installer.isKnownTypesPackageName(name);
}
installPackage(options: InstallPackageOptionsWithProject): Promise<ApplyCodeActionCommandResult> {
return this.installer.installPackage(options);
}
enqueueInstallTypingsForProject(project: Project, unresolvedImports: SortedReadonlyArray<string> | undefined, forceRefresh: boolean) {
const typeAcquisition = project.getTypeAcquisition();
if (!typeAcquisition || !typeAcquisition.enable) {
return;
}
const entry = this.perProjectCache.get(project.getProjectName());
if (forceRefresh ||
!entry ||
typeAcquisitionChanged(typeAcquisition, entry.typeAcquisition) ||
compilerOptionsChanged(project.getCompilationSettings(), entry.compilerOptions) ||
unresolvedImportsChanged(unresolvedImports, entry.unresolvedImports)) {
// Note: entry is now poisoned since it does not really contain typings for a given combination of compiler options\typings options.
// instead it acts as a placeholder to prevent issuing multiple requests
this.perProjectCache.set(project.getProjectName(), {
compilerOptions: project.getCompilationSettings(),
typeAcquisition,
typings: entry ? entry.typings : emptyArray,
unresolvedImports,
poisoned: true
});
// something has been changed, issue a request to update typings
this.installer.enqueueInstallTypingsRequest(project, typeAcquisition, unresolvedImports);
}
}
updateTypingsForProject(projectName: string, compilerOptions: CompilerOptions, typeAcquisition: TypeAcquisition, unresolvedImports: SortedReadonlyArray<string>, newTypings: string[]) {
const typings = sort(newTypings);
this.perProjectCache.set(projectName, {
compilerOptions,
typeAcquisition,
typings,
unresolvedImports,
poisoned: false
});
return !typeAcquisition || !typeAcquisition.enable ? emptyArray : typings;
}
onProjectClosed(project: Project) {
this.perProjectCache.delete(project.getProjectName());
this.installer.onProjectClosed(project);
}
}
}