Expand Up @@ -95,7 +95,6 @@ namespace ts {
export interface BaseProviderStatic { readonly ["extension-kind"]: ExtensionKind; new (state: {ts: typeof ts, args: any}): any; }
export interface SyntacticLintProviderStatic extends BaseProviderStatic { Expand Down Expand Up @@ -125,13 +124,16 @@ namespace ts { export type SyntacticLint = "syntactic-lint"; export const LanguageService: "language-service" = "language-service"; export type LanguageService = "language-service"; export const TypeDiscovery: "type-discovery" = "type-discovery"; export type TypeDiscovery = "type-discovery"; } export type ExtensionKind = ExtensionKind.SemanticLint | ExtensionKind.SyntacticLint | ExtensionKind.LanguageService; export type ExtensionKind = ExtensionKind.SemanticLint | ExtensionKind.SyntacticLint | ExtensionKind.LanguageService | ExtensionKind.TypeDiscovery;
export interface ExtensionCollectionMap { "syntactic-lint"?: SyntacticLintExtension[]; "semantic-lint"?: SemanticLintExtension[]; "language-service"?: LanguageServiceExtension[]; "type-discovery"?: TypeDiscoveryExtension[]; [index: string]: Extension[] | undefined; }
Expand Down Expand Up @@ -163,7 +165,12 @@ namespace ts { ctor: LanguageServiceProviderStatic; }
export type Extension = SyntacticLintExtension | SemanticLintExtension | LanguageServiceExtension; export interface TypeDiscoveryExtension extends ExtensionBase { kind: ExtensionKind.TypeDiscovery; lookup: (searchDir: string, args: any) => string[]; }
export type Extension = SyntacticLintExtension | SemanticLintExtension | LanguageServiceExtension | TypeDiscoveryExtension;
export interface ExtensionCache { getCompilerExtensions(): ExtensionCollectionMap; Expand Down Expand Up @@ -226,6 +233,21 @@ namespace ts { completeProfile(/*enabled*/true, longTask); }
function verifyType(thing: any, type: string, diagnostics: Diagnostic[], extName: string, extMember: string, extKind: ExtensionKind) { if (typeof thing !== type) { diagnostics.push(createCompilerDiagnostic( Diagnostics.Extension_0_exported_member_1_has_extension_kind_2_but_was_type_3_when_type_4_was_expected, extName, extMember, extKind, typeof thing, type )); return false; } return true; }
export function createExtensionCache(options: CompilerOptions, host: ExtensionHost, resolvedExtensionNames?: Map<string>): ExtensionCache {
const diagnostics: Diagnostic[] = []; Expand Down Expand Up @@ -312,20 +334,18 @@ namespace ts { switch (ext.kind) { case ExtensionKind.SemanticLint: case ExtensionKind.SyntacticLint: case ExtensionKind.LanguageService: if (typeof potentialExtension !== "function") { diagnostics.push(createCompilerDiagnostic( Diagnostics.Extension_0_exported_member_1_has_extension_kind_2_but_was_type_3_when_type_4_was_expected, res.name, key, (ts as any).ExtensionKind[annotatedKind], typeof potentialExtension, "function" )); return; } case ExtensionKind.LanguageService: { const verified = verifyType(potentialExtension, "function", diagnostics, res.name, key, annotatedKind); if (!verified) return; (ext as (SemanticLintExtension | SyntacticLintExtension | LanguageServiceExtension)).ctor = potentialExtension as (SemanticLintProviderStatic | SyntacticLintProviderStatic | LanguageServiceProviderStatic); break; } case ExtensionKind.TypeDiscovery: { const verified = verifyType(potentialExtension, "function", diagnostics, res.name, key, annotatedKind); if (!verified) return; (ext as TypeDiscoveryExtension).lookup = potentialExtension as any; break; } default: // Include a default case which just puts the extension unchecked onto the base extension // This can allow language service extensions to query for custom extension kinds Expand Down