feat: impl presets registration

src/core/style-dictionary-config.ts

@@ -1,5 +1,7 @@
 import { Platform, Config } from 'style-dictionary'
 
+import { Api } from '../index'
+
 type Options = {
   sources: string[]
   entry: string
@@ -12,6 +14,17 @@ export function createStyleDictionaryConfig({ sources, entry, platform, output }
     // prettier-ignore
     .reduce<Record<string, Platform>>((acc, [key, value]) => {
       const target = { ...value }
+
+      if (target.preset !== undefined) {
+        const maybePrese = Api.presets.get(target.preset)
+        if (maybePrese === undefined) {
+          throw new Error(`Used unexpected preset "${target.preset}" for "${key}" platform.`)
+        } else {
+          target.transforms = maybePrese.transforms || target.transforms
+          target.actions = maybePrese.actions || target.actions
+        }
+      }
+
       // Normalize path for style-dictionary specifics.
       target.buildPath = target.buildPath.endsWith('/') ? target.buildPath : `${target.buildPath}/`
       target.files = target.files.map((file) => ({

src/index.h.ts

@@ -0,0 +1,14 @@
+export type Preset = {
+  /**
+   * Preset name
+   */
+  name: string
+  /**
+   * Predefined transforms
+   */
+  transforms?: string[]
+  /**
+   * Predefined actions
+   */
+  actions?: string[]
+}

src/index.ts

@@ -1,10 +1,28 @@
 import StyleDictionary from 'style-dictionary'
 
+import { Preset } from './index.h'
+
 export const Api = {
   registerFormat: StyleDictionary.registerFormat.bind(StyleDictionary),
   registerTransform: StyleDictionary.registerTransform.bind(StyleDictionary),
   registerAction: StyleDictionary.registerAction.bind(StyleDictionary),
   registerFilter: StyleDictionary.registerFilter.bind(StyleDictionary),
+
+  /**
+   * Map with registered presets
+   *
+   * @internal
+   */
+  presets: new Map<string, Preset>(),
+
+  /**
+   * Add new or override existing preset
+   *
+   * @param preset - Preset settings
+   */
+  registerPreset: (preset: Preset): void => {
+    Api.presets.set(preset.name, preset)
+  },
 }
 
 /**

src/modules.d.ts

@@ -13,6 +13,7 @@ declare module 'style-dictionary' {
   }
 
   export type Platform = {
+    preset?: string
     buildPath: string
     transforms?: string[]
     actions?: string[]