TsConfigJson: Add TypeScript 5.0 options (#573)

source/tsconfig-json.d.ts

@@ -225,25 +225,32 @@ declare namespace TsConfigJson {
  export type ModuleResolution =
  | 'classic'
  | 'node'
+ | 'node10'
  | 'node16'
  | 'nodenext'
+ | 'bundler'
  // Pascal-cased alternatives
  | 'Classic'
  | 'Node'
+ | 'Node10'
  | 'Node16'
- | 'NodeNext';
+ | 'NodeNext'
+ | 'Bundler';
 
  export type ModuleDetection =
  | 'auto'
  | 'legacy'
  | 'force';
+
+ export type IgnoreDeprecations = '5.0';
  }
 
  export type CompilerOptions = {
  /**
  The character set of the input files.
 
  @default 'utf8'
+ @deprecated This option will be removed in TypeScript 5.5.
  */
  charset?: string;
 
@@ -402,7 +409,7 @@ declare namespace TsConfigJson {
  /**
  Specifies the end of line sequence to be used when emitting files: 'crlf' (Windows) or 'lf' (Unix).
 
- Default: Platform specific
+ @default 'LF'
  */
  newLine?: CompilerOptions.NewLine;
 
@@ -473,6 +480,7 @@ declare namespace TsConfigJson {
  Disable strict checking of generic signatures in function types.
 
  @default false
+ @deprecated This option will be removed in TypeScript 5.5.
  */
  noStrictGenericChecks?: boolean;
 
@@ -563,13 +571,15 @@ declare namespace TsConfigJson {
  Suppress excess property checks for object literals.
 
  @default false
+ @deprecated This option will be removed in TypeScript 5.5.
  */
  suppressExcessPropertyErrors?: boolean;
 
  /**
  Suppress noImplicitAny errors for indexing objects lacking index signatures.
 
  @default false
+ @deprecated This option will be removed in TypeScript 5.5.
  */
  suppressImplicitAnyIndexErrors?: boolean;
 
@@ -682,7 +692,7 @@ declare namespace TsConfigJson {
  /**
  Disallow inconsistently-cased references to the same file.
 
- @default false
+ @default true
  */
  forceConsistentCasingInFileNames?: boolean;
 
@@ -755,6 +765,7 @@ declare namespace TsConfigJson {
  Do not emit `'use strict'` directives in module output.
 
  @default false
+ @deprecated This option will be removed in TypeScript 5.5.
  */
  noImplicitUseStrict?: boolean;
 
@@ -802,6 +813,7 @@ declare namespace TsConfigJson {
  Specify emit/checking behavior for imports that are only used for types.
 
  @default 'remove'
+ @deprecated Use `verbatimModuleSyntax` instead.
  */
  importsNotUsedAsValues?: CompilerOptions.ImportsNotUsedAsValues;
 
@@ -872,6 +884,7 @@ declare namespace TsConfigJson {
  Resolve `keyof` to string valued property names only (no numbers or symbols).
 
  @default false
+ @deprecated This option will be removed in TypeScript 5.5.
  */
  keyofStringsOnly?: boolean;
 
@@ -942,6 +955,7 @@ declare namespace TsConfigJson {
  Preserve unused imported values in the JavaScript output that would otherwise be removed.
 
  @default true
+ @deprecated Use `verbatimModuleSyntax` instead.
  */
  preserveValueImports?: boolean;
 
@@ -956,6 +970,51 @@ declare namespace TsConfigJson {
  @default 'auto'
  */
  moduleDetection?: CompilerOptions.ModuleDetection;
+
+ /**
+ Allows TypeScript files to import each other with a TypeScript-specific extension like .ts, .mts, or .tsx.
+
+ @default false
+ */
+ allowImportingTsExtensions?: boolean;
+
+ /**
+ Forces TypeScript to consult the exports field of package.json files if it ever reads from a package in node_modules.
+
+ @default false
+ */
+ resolvePackageJsonExports?: boolean;
+
+ /**
+ Forces TypeScript to consult the imports field of package.json files when performing a lookup that starts with # from a file whose ancestor directory contains a package.json.
+
+ @default false
+ */
+ resolvePackageJsonImports?: boolean;
+
+ /**
+ Suppress errors for file formats that TypeScript does not understand.
+
+ @default false
+ */
+ allowArbitraryExtensions?: boolean;
+
+ /**
+ List of additional conditions that should succeed when TypeScript resolves from package.json.
+ */
+ customConditions?: string[];
+
+ /**
+ Anything that uses the type modifier is dropped entirely.
+
+ @default false
+ */
+ verbatimModuleSyntax?: boolean;
+
+ /**
+ Suppress deprecation warnings
+ */
+ ignoreDeprecations?: CompilerOptions.IgnoreDeprecations;
  };
 
  namespace WatchOptions {
@@ -1052,6 +1111,7 @@ declare namespace TsConfigJson {
  True if the output of this reference should be prepended to the output of this project.
 
  Only valid for `--outFile` compilations.
+ @deprecated This option will be removed in TypeScript 5.5.
  */
  prepend?: boolean;
 
@@ -1091,7 +1151,7 @@ export type TsConfigJson = {
  /**
  Path to base configuration file to inherit from.
  */
- extends?: string;
+ extends?: string | string[];
 
  /**
  If no `files` or `include` property is present in a `tsconfig.json`, the compiler defaults to including all files in the containing directory and subdirectories except those specified by `exclude`. When a `files` property is specified, only those files and those specified by `include` are included.

test-d/tsconfig-json.ts

@@ -6,7 +6,7 @@ const tsConfig: TsConfigJson = {};
 expectType<boolean | undefined>(tsConfig.compileOnSave);
 expectType<TsConfigJson.CompilerOptions | undefined>(tsConfig.compilerOptions);
 expectType<string[] | undefined>(tsConfig.exclude);
-expectType<string | undefined>(tsConfig.extends);
+expectType<string | string[] | undefined>(tsConfig.extends);
 expectType<string[] | undefined>(tsConfig.files);
 expectType<string[] | undefined>(tsConfig.include);
 expectType<TsConfigJson.References[] | undefined>(tsConfig.references);