Color libraries (#183)

* wip

* color library

* fixes

* fixes

* fixes

* fixes

* changeset

* fixes

* fixes

* fixes

* fixes

.changeset/strange-gorillas-knock.md

@@ -0,0 +1,5 @@
+---
+"penpot-exporter": minor
+---
+
+Support for color libraries

plugin-src/StyleLibrary.ts

@@ -1,27 +1,21 @@
-import { Fill } from '@ui/lib/types/utils/fill';
-
 class StyleLibrary {
-  private styles: Map<string, Fill[]> = new Map();
+  private styles: Map<string, PaintStyle | undefined> = new Map();
 
-  public register(id: string, styles: Fill[]) {
+  public register(id: string, styles?: PaintStyle | undefined) {
     this.styles.set(id, styles);
   }
 
-  public get(id: string): Fill[] | undefined {
+  public get(id: string): PaintStyle | undefined {
     return this.styles.get(id);
   }
 
   public has(id: string): boolean {
     return this.styles.has(id);
   }
 
-  public all(): Record<string, Fill[]> {
+  public all(): Record<string, PaintStyle | undefined> {
     return Object.fromEntries(this.styles.entries());
   }
-
-  public init(styles: Record<string, Fill[]>): void {
-    this.styles = new Map(Object.entries(styles));
-  }
 }
 
 export const styleLibrary = new StyleLibrary();

plugin-src/transformers/partials/transformFills.ts

@@ -1,4 +1,4 @@
-import { translateFillStyle, translateFills } from '@plugin/translators/fills';
+import { translateFillStyleId, translateFills } from '@plugin/translators/fills';
 import { StyleTextSegment } from '@plugin/translators/text/paragraph';
 
 import { ShapeAttributes } from '@ui/lib/types/shapes/shape';
@@ -14,7 +14,7 @@ export const transformFills = (
   if (hasFillStyle(node)) {
     return {
       fills: [],
-      fillStyleId: translateFillStyle(node.fillStyleId, node.fills)
+      fillStyleId: translateFillStyleId(node.fillStyleId)
     };
   }
 

plugin-src/transformers/transformDocumentNode.ts

@@ -3,9 +3,11 @@ import { imagesLibrary } from '@plugin/ImageLibrary';
 import { remoteComponentLibrary } from '@plugin/RemoteComponentLibrary';
 import { styleLibrary } from '@plugin/StyleLibrary';
 import { translateRemoteChildren } from '@plugin/translators';
+import { translatePaintStyles } from '@plugin/translators/fills';
 import { sleep } from '@plugin/utils';
 
 import { PenpotPage } from '@ui/lib/types/penpotPage';
+import { FillStyle } from '@ui/lib/types/utils/fill';
 import { PenpotDocument } from '@ui/types';
 
 import { transformPageNode } from '.';
@@ -48,6 +50,47 @@ const downloadImages = async (): Promise<Record<string, Uint8Array>> => {
   return images;
 };
 
+const getFillStyles = async (): Promise<Record<string, FillStyle>> => {
+  const stylesToFetch = Object.entries(styleLibrary.all());
+  const styles: Record<string, FillStyle> = {};
+
+  if (stylesToFetch.length === 0) return styles;
+
+  let currentStyle = 1;
+
+  figma.ui.postMessage({
+    type: 'PROGRESS_TOTAL_ITEMS',
+    data: stylesToFetch.length
+  });
+
+  figma.ui.postMessage({
+    type: 'PROGRESS_STEP',
+    data: 'fills'
+  });
+
+  for (const [styleId, paintStyle] of stylesToFetch) {
+    const figmaStyle = paintStyle ?? (await figma.getStyleByIdAsync(styleId));
+    if (figmaStyle && isPaintStyle(figmaStyle)) {
+      styles[styleId] = translatePaintStyles(figmaStyle);
+    }
+
+    figma.ui.postMessage({
+      type: 'PROGRESS_PROCESSED_ITEMS',
+      data: currentStyle++
+    });
+
+    await sleep(0);
+  }
+
+  await sleep(20);
+
+  return styles;
+};
+
+const isPaintStyle = (style: BaseStyle): style is PaintStyle => {
+  return style.type === 'PAINT';
+};
+
 const processPages = async (node: DocumentNode): Promise<PenpotPage[]> => {
   const children = [];
   let currentPage = 1;
@@ -74,6 +117,11 @@ const processPages = async (node: DocumentNode): Promise<PenpotPage[]> => {
 };
 
 export const transformDocumentNode = async (node: DocumentNode): Promise<PenpotDocument> => {
+  const localPaintStyles = await figma.getLocalPaintStylesAsync();
+  localPaintStyles.forEach(style => {
+    styleLibrary.register(style.id, style);
+  });
+
   const children = await processPages(node);
 
   if (remoteComponentLibrary.remaining() > 0) {
@@ -83,11 +131,15 @@ export const transformDocumentNode = async (node: DocumentNode): Promise<PenpotD
     });
   }
 
+  const styles = await getFillStyles();
+
+  const images = await downloadImages();
+
   return {
     name: node.name,
     children,
     components: componentsLibrary.all(),
-    images: await downloadImages(),
-    styles: styleLibrary.all()
+    images,
+    styles
   };
 };

plugin-src/translators/fills/index.ts

@@ -1,3 +1,4 @@
 export * from './translateFills';
 export * from './translateImageFill';
+export * from './translatePaintStyles';
 export * from './translateSolidFill';

plugin-src/translators/fills/translateFills.ts

@@ -42,14 +42,13 @@ export const translateFills = (
   return penpotFills;
 };
 
-export const translateFillStyle = (
-  fillStyleId: string | typeof figma.mixed | undefined,
-  fills: readonly Paint[] | typeof figma.mixed | undefined
+export const translateFillStyleId = (
+  fillStyleId: string | typeof figma.mixed | undefined
 ): string | undefined => {
   if (fillStyleId === figma.mixed || fillStyleId === undefined) return;
 
   if (!styleLibrary.has(fillStyleId)) {
-    styleLibrary.register(fillStyleId, translateFills(fills));
+    styleLibrary.register(fillStyleId);
   }
 
   return fillStyleId;

plugin-src/translators/fills/translatePaintStyles.ts

@@ -0,0 +1,35 @@
+import { translateFill } from '@plugin/translators/fills/translateFills';
+
+import { FillStyle } from '@ui/lib/types/utils/fill';
+
+export const translatePaintStyles = (figmaStyle: PaintStyle): FillStyle => {
+  const fillStyle: FillStyle = {
+    name: figmaStyle.name,
+    fills: [],
+    colors: []
+  };
+
+  const colorName = (figmaStyle: PaintStyle, index: number): string => {
+    // @TODO: Think something better
+    return figmaStyle.paints.length > 1 ? `Color ${index + 1}` : figmaStyle.name;
+  };
+
+  let index = 0;
+  const path =
+    (figmaStyle.remote ? 'Remote / ' : '') + (figmaStyle.paints.length > 1 ? figmaStyle.name : '');
+
+  for (const fill of figmaStyle.paints) {
+    const penpotFill = translateFill(fill);
+
+    if (penpotFill) {
+      fillStyle.fills.unshift(penpotFill);
+      fillStyle.colors.unshift({
+        path,
+        name: colorName(figmaStyle, index)
+      });
+    }
+    index++;
+  }
+
+  return fillStyle;
+};

ui-src/components/ExporterProgress.tsx

@@ -29,6 +29,15 @@ const stepMessages: Record<Steps, Messages> = {
     total: 'pages built 🏗️',
     current: 'Currently processing layer'
   },
+  fills: {
+    total: 'color libraries fetched 🎨'
+  },
+  format: {
+    total: 'formatting color libraries 🎨'
+  },
+  libraries: {
+    total: 'color libraries built 🎨'
+  },
   components: {
     total: 'components built 🏗️',
     current: 'Currently processing layer'
@@ -60,7 +69,10 @@ const StepProgress = (): JSX.Element | null => {
     case 'images':
     case 'optimization':
     case 'building':
+    case 'fills':
     case 'components':
+    case 'format':
+    case 'libraries':
       return (
         <>
           {processedItems} of {totalItems} {stepMessages[step].total}

ui-src/context/useFigma.ts

@@ -26,7 +26,10 @@ export type Steps =
   | 'optimization'
   | 'building'
   | 'components'
-  | 'exporting';
+  | 'exporting'
+  | 'fills'
+  | 'format'
+  | 'libraries';
 
 export const useFigma = (): UseFigmaHook => {
   const [missingFonts, setMissingFonts] = useState<string[]>();

ui-src/lib/types/utils/color.ts

@@ -1,5 +1,5 @@
 import { Gradient } from './gradient';
-import { ImageColor } from './imageColor';
+import { ImageColor, PartialImageColor } from './imageColor';
 import { Uuid } from './uuid';
 
 export type Color = {
@@ -13,5 +13,5 @@ export type Color = {
   refId?: Uuid;
   refFile?: Uuid;
   gradient?: Gradient;
-  image?: ImageColor;
+  image?: ImageColor | PartialImageColor; // @TODO: move to any other place
 };

ui-src/lib/types/utils/fill.ts

@@ -1,3 +1,5 @@
+import { Color } from '@ui/lib/types/utils/color';
+
 import { Gradient } from './gradient';
 import { ImageColor, PartialImageColor } from './imageColor';
 import { Uuid } from './uuid';
@@ -10,3 +12,9 @@ export type Fill = {
   fillColorRefId?: Uuid;
   fillImage?: ImageColor | PartialImageColor; // @TODO: move to any other place
 };
+
+export type FillStyle = {
+  name: string;
+  fills: Fill[];
+  colors: Color[];
+};

ui-src/parser/creators/createFile.ts → ui-src/parser/creators/buildFile.ts

@@ -1,14 +1,13 @@
 import { sleep } from '@plugin/utils/sleep';
 
 import { sendMessage } from '@ui/context';
-import { createFile as createPenpotFile } from '@ui/lib/penpot';
+import { PenpotFile } from '@ui/lib/types/penpotFile';
 import { PenpotPage } from '@ui/lib/types/penpotPage';
 import { idLibrary } from '@ui/parser';
-import { createComponentsLibrary, createPage } from '@ui/parser/creators';
+import { createColorsLibrary, createComponentsLibrary, createPage } from '@ui/parser/creators';
 import { uiComponents } from '@ui/parser/libraries';
 
-export const createFile = async (name: string, children: PenpotPage[]) => {
-  const file = createPenpotFile(name);
+export const buildFile = async (file: PenpotFile, children: PenpotPage[]) => {
   let pagesBuilt = 1;
 
   uiComponents.init();
@@ -35,6 +34,8 @@ export const createFile = async (name: string, children: PenpotPage[]) => {
     await sleep(0);
   }
 
+  await createColorsLibrary(file);
+
   await createComponentsLibrary(file);
 
   return file;

ui-src/parser/creators/createColorsLibrary.ts

@@ -0,0 +1,41 @@
+import { sleep } from '@plugin/utils/sleep';
+
+import { sendMessage } from '@ui/context';
+import { PenpotFile } from '@ui/lib/types/penpotFile';
+import { uiColorLibraries } from '@ui/parser/libraries/UiColorLibraries';
+
+export const createColorsLibrary = async (file: PenpotFile) => {
+  let librariesBuilt = 1;
+  const libraries = uiColorLibraries.all();
+
+  sendMessage({
+    type: 'PROGRESS_TOTAL_ITEMS',
+    data: libraries.length
+  });
+
+  sendMessage({
+    type: 'PROGRESS_STEP',
+    data: 'libraries'
+  });
+
+  for (const library of libraries) {
+    for (let index = 0; index < library.fills.length; index++) {
+      file.addLibraryColor({
+        ...library.colors[index],
+        id: library.fills[index].fillColorRefId,
+        refFile: library.fills[index].fillColorRefFile,
+        color: library.fills[index].fillColor,
+        opacity: library.fills[index].fillOpacity,
+        image: library.fills[index].fillImage,
+        gradient: library.fills[index].fillColorGradient
+      });
+
+      sendMessage({
+        type: 'PROGRESS_PROCESSED_ITEMS',
+        data: librariesBuilt++
+      });
+
+      await sleep(0);
+    }
+  }
+};

ui-src/parser/creators/index.ts

@@ -1,10 +1,11 @@
 export * from './createArtboard';
 export * from './createBool';
 export * from './createCircle';
+export * from './createColorsLibrary';
 export * from './createComponent';
 export * from './createComponentInstance';
 export * from './createComponentsLibrary';
-export * from './createFile';
+export * from './buildFile';
 export * from './createGroup';
 export * from './createItems';
 export * from './createPage';

ui-src/parser/creators/symbols/symbolFills.ts

@@ -1,11 +1,10 @@
-import { styleLibrary } from '@plugin/StyleLibrary';
-
 import { Fill } from '@ui/lib/types/utils/fill';
 import { ImageColor, PartialImageColor } from '@ui/lib/types/utils/imageColor';
 import { uiImages } from '@ui/parser/libraries';
+import { uiColorLibraries } from '@ui/parser/libraries/UiColorLibraries';
 
 export const symbolFills = (fillStyleId?: string, fills?: Fill[]): Fill[] | undefined => {
-  const nodeFills = fillStyleId ? styleLibrary.get(fillStyleId) : fills;
+  const nodeFills = fillStyleId ? uiColorLibraries.get(fillStyleId)?.fills : fills;
 
   if (!nodeFills) return;
 

ui-src/parser/libraries/UiColorLibraries.ts

@@ -0,0 +1,19 @@
+import { FillStyle } from '@ui/lib/types/utils/fill';
+
+class UiColorLibraries {
+  private libraries: Map<string, FillStyle> = new Map();
+
+  public register(id: string, fillStyle: FillStyle) {
+    this.libraries.set(id, fillStyle);
+  }
+
+  public get(id: string): FillStyle | undefined {
+    return this.libraries.get(id);
+  }
+
+  public all(): FillStyle[] {
+    return Array.from(this.libraries.values());
+  }
+}
+
+export const uiColorLibraries = new UiColorLibraries();

ui-src/parser/libraries/index.ts

@@ -1,2 +1,3 @@
 export * from './UiComponents';
 export * from './UiImages';
+export * from './UiColorLibraries';