improve json-schema file

package.json

@@ -108,7 +108,7 @@
   "repository": "JamieMason/syncpack",
   "scripts": {
     "build": "pnpm run clean && pnpm run build:source && pnpm run build:json-schema",
-    "build:json-schema": "typescript-json-schema --esModuleInterop --noExtraProps --ignoreErrors src/index.ts RcFile --out dist/schema.json",
+    "build:json-schema": "typescript-json-schema --esModuleInterop --noExtraProps --ignoreErrors src/index.ts JsonSchema --out dist/schema.json",
     "build:source": "tsc --project tsconfig.build.json",
     "clean": "rm -rf ./dist",
     "format": "pnpm run format:lint && pnpm run format:source",

src/config/types.ts

@@ -24,29 +24,33 @@ export type SemverRange = '' | '*' | '>' | '>=' | '.x' | '<' | '<=' | '^' | '~'
 
 type DefaultDependencyType = keyof typeof CUSTOM_TYPES;
 
+class CustomString extends String { }
+
+type UnknownString = CustomString & string;
+
 export type DependencyType =
   | DefaultDependencyType
   | `!${DefaultDependencyType}`
   // This is done to allow any other `string` while also offering intellisense
-  // for the internal dependency types above. `(string & {})` is needed to
+  // for the internal dependency types above. `UnknownString` is needed to
   // prevent typescript from ignoring these specific strings and merging them
   // all into `string`, where we'd lose any editor autocomplete for the other
-  // more specific fields, using (string & {}) stops that from happening.
+  // more specific fields, using UnknownString stops that from happening.
   //
   // eslint-disable-next-line @typescript-eslint/ban-types
-  | (string & {});
+  | UnknownString;
 
 export type SpecifierType =
   | Specifier.Any['name']
   | `!${Specifier.Any['name']}`
   // This is done to allow any other `string` while also offering intellisense
-  // for the internal dependency types above. `(string & {})` is needed to
+  // for the internal dependency types above. `UnknownString` is needed to
   // prevent typescript from ignoring these specific strings and merging them
   // all into `string`, where we'd lose any editor autocomplete for the other
-  // more specific fields, using (string & {}) stops that from happening.
+  // more specific fields, using UnknownString stops that from happening.
   //
   // eslint-disable-next-line @typescript-eslint/ban-types
-  | (string & {});
+  | UnknownString;
 
 export interface GroupConfig {
   dependencies?: string[];
@@ -140,7 +144,9 @@ export interface CliConfig {
 
 export interface RcConfig {
   /** @see https://jamiemason.github.io/syncpack/config/custom-types */
-  customTypes: Record<string, CustomTypeConfig.Any>;
+  customTypes: {
+    [name: string]: CustomTypeConfig.Any;
+  };
   /** @see https://jamiemason.github.io/syncpack/config/dependency-types */
   dependencyTypes: DependencyType[];
   /** @see https://jamiemason.github.io/syncpack/config/filter */
@@ -174,3 +180,7 @@ export interface RcConfig {
   /** @see https://jamiemason.github.io/syncpack/config/version-groups */
   versionGroups: VersionGroupConfig.Any[];
 }
+
+export interface JsonSchema extends RcConfig {
+  $schema?: string;
+}