Text libraries (#185)

* color library

* fixes

* wip

* wip

* wip

* wip

* working

* improvements

* changeset

* changeset

* changeset & cleaning

* changeset & cleaning

* improvements

* fixes

* rebase

.changeset/heavy-timers-sit.md

@@ -0,0 +1,5 @@
+---
+"penpot-exporter": minor
+---
+
+Add support for typographies

.changeset/mean-clouds-jog.md

@@ -0,0 +1,5 @@
+---
+"penpot-exporter": patch
+---
+
+Improve font weight translation

.changeset/selfish-spies-cover.md

@@ -0,0 +1,5 @@
+---
+"penpot-exporter": patch
+---
+
+Fix letter spacing

plugin-src/TextLibrary.ts

@@ -0,0 +1,21 @@
+class TextLibrary {
+  private styles: Map<string, TextStyle | undefined> = new Map();
+
+  public register(id: string, styles?: TextStyle | undefined) {
+    this.styles.set(id, styles);
+  }
+
+  public get(id: string): TextStyle | undefined {
+    return this.styles.get(id);
+  }
+
+  public has(id: string): boolean {
+    return this.styles.has(id);
+  }
+
+  public all(): Record<string, TextStyle | undefined> {
+    return Object.fromEntries(this.styles.entries());
+  }
+}
+
+export const textLibrary = new TextLibrary();

plugin-src/transformers/partials/transformFills.ts

@@ -1,15 +1,11 @@
 import { translateFillStyleId, translateFills } from '@plugin/translators/fills';
-import { StyleTextSegment } from '@plugin/translators/text/paragraph';
+import { TextSegment } from '@plugin/translators/text/paragraph';
 
 import { ShapeAttributes } from '@ui/lib/types/shapes/shape';
 import { TextStyle } from '@ui/lib/types/shapes/textShape';
 
 export const transformFills = (
-  node:
-    | (MinimalFillsMixin & DimensionAndPositionMixin)
-    | VectorRegion
-    | VectorNode
-    | StyleTextSegment
+  node: (MinimalFillsMixin & DimensionAndPositionMixin) | VectorRegion | VectorNode | TextSegment
 ): Pick<ShapeAttributes, 'fills' | 'fillStyleId'> | Pick<TextStyle, 'fills' | 'fillStyleId'> => {
   if (hasFillStyle(node)) {
     return {
@@ -39,11 +35,7 @@ export const transformVectorFills = (
 };
 
 const hasFillStyle = (
-  node:
-    | (MinimalFillsMixin & DimensionAndPositionMixin)
-    | VectorRegion
-    | VectorNode
-    | StyleTextSegment
+  node: (MinimalFillsMixin & DimensionAndPositionMixin) | VectorRegion | VectorNode | TextSegment
 ): boolean => {
   return (
     node.fillStyleId !== figma.mixed &&

plugin-src/transformers/partials/transformText.ts

@@ -1,5 +1,5 @@
 import { transformFills } from '@plugin/transformers/partials';
-import { transformTextStyle, translateStyleTextSegments } from '@plugin/translators/text';
+import { transformTextStyle, translateTextSegments } from '@plugin/translators/text';
 import { translateGrowType, translateVerticalAlign } from '@plugin/translators/text/properties';
 
 import { TextAttributes, TextShape } from '@ui/lib/types/shapes/textShape';
@@ -16,7 +16,8 @@ export const transformText = (node: TextNode): TextAttributes & Pick<TextShape,
     'indentation',
     'listOptions',
     'fills',
-    'fillStyleId'
+    'fillStyleId',
+    'textStyleId'
   ]);
 
   return {
@@ -30,7 +31,7 @@ export const transformText = (node: TextNode): TextAttributes & Pick<TextShape,
               children: [
                 {
                   type: 'paragraph',
-                  children: translateStyleTextSegments(node, styledTextSegments),
+                  children: translateTextSegments(node, styledTextSegments),
                   ...transformTextStyle(node, styledTextSegments[0]),
                   ...transformFills(node)
                 }

plugin-src/transformers/transformDocumentNode.ts

@@ -2,16 +2,26 @@ import { componentsLibrary } from '@plugin/ComponentLibrary';
 import { imagesLibrary } from '@plugin/ImageLibrary';
 import { remoteComponentLibrary } from '@plugin/RemoteComponentLibrary';
 import { styleLibrary } from '@plugin/StyleLibrary';
+import { textLibrary } from '@plugin/TextLibrary';
 import { translateRemoteChildren } from '@plugin/translators';
-import { translatePaintStyles } from '@plugin/translators/fills';
+import { translatePaintStyle, translateTextStyle } from '@plugin/translators/styles';
 import { sleep } from '@plugin/utils';
 
 import { PenpotPage } from '@ui/lib/types/penpotPage';
+import { TypographyStyle } from '@ui/lib/types/shapes/textShape';
 import { FillStyle } from '@ui/lib/types/utils/fill';
 import { PenpotDocument } from '@ui/types';
 
 import { transformPageNode } from '.';
 
+const isPaintStyle = (style: BaseStyle): style is PaintStyle => {
+  return style.type === 'PAINT';
+};
+
+const isTextStyle = (style: BaseStyle): style is TextStyle => {
+  return style.type === 'TEXT';
+};
+
 const downloadImages = async (): Promise<Record<string, Uint8Array>> => {
   const imageToDownload = Object.entries(imagesLibrary.all());
   const images: Record<string, Uint8Array> = {};
@@ -71,7 +81,7 @@ const getFillStyles = async (): Promise<Record<string, FillStyle>> => {
   for (const [styleId, paintStyle] of stylesToFetch) {
     const figmaStyle = paintStyle ?? (await figma.getStyleByIdAsync(styleId));
     if (figmaStyle && isPaintStyle(figmaStyle)) {
-      styles[styleId] = translatePaintStyles(figmaStyle);
+      styles[styleId] = translatePaintStyle(figmaStyle);
     }
 
     figma.ui.postMessage({
@@ -87,8 +97,41 @@ const getFillStyles = async (): Promise<Record<string, FillStyle>> => {
   return styles;
 };
 
-const isPaintStyle = (style: BaseStyle): style is PaintStyle => {
-  return style.type === 'PAINT';
+const getTextStyles = async (): Promise<Record<string, TypographyStyle>> => {
+  const stylesToFetch = Object.entries(textLibrary.all());
+  const styles: Record<string, TypographyStyle> = {};
+
+  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: 'typographies'
+  });
+
+  for (const [styleId, style] of stylesToFetch) {
+    const figmaStyle = style ?? (await figma.getStyleByIdAsync(styleId));
+    if (figmaStyle && isTextStyle(figmaStyle)) {
+      styles[styleId] = translateTextStyle(figmaStyle);
+    }
+
+    figma.ui.postMessage({
+      type: 'PROGRESS_PROCESSED_ITEMS',
+      data: currentStyle++
+    });
+
+    await sleep(0);
+  }
+
+  await sleep(20);
+
+  return styles;
 };
 
 const processPages = async (node: DocumentNode): Promise<PenpotPage[]> => {
@@ -122,6 +165,11 @@ export const transformDocumentNode = async (node: DocumentNode): Promise<PenpotD
     styleLibrary.register(style.id, style);
   });
 
+  const localTextStyles = await figma.getLocalTextStylesAsync();
+  localTextStyles.forEach(style => {
+    textLibrary.register(style.id, style);
+  });
+
   const children = await processPages(node);
 
   if (remoteComponentLibrary.remaining() > 0) {
@@ -135,11 +183,14 @@ export const transformDocumentNode = async (node: DocumentNode): Promise<PenpotD
 
   const images = await downloadImages();
 
+  const typographies = await getTextStyles();
+
   return {
     name: node.name,
     children,
     components: componentsLibrary.all(),
     images,
-    styles
+    styles,
+    typographies
   };
 };

plugin-src/translators/fills/index.ts

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

plugin-src/translators/styles/index.ts

@@ -0,0 +1,2 @@
+export * from './translatePaintStyle';
+export * from './translateTextStyle';

plugin-src/translators/fills/translatePaintStyles.ts → plugin-src/translators/styles/translatePaintStyle.ts

@@ -2,15 +2,14 @@ import { translateFill } from '@plugin/translators/fills/translateFills';
 
 import { FillStyle } from '@ui/lib/types/utils/fill';
 
-export const translatePaintStyles = (figmaStyle: PaintStyle): FillStyle => {
+export const translatePaintStyle = (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;
   };
 

plugin-src/translators/styles/translateTextStyle.ts

@@ -0,0 +1,32 @@
+import { translateFontName } from '@plugin/translators/text/font';
+import {
+  translateFontStyle,
+  translateLetterSpacing,
+  translateLineHeight,
+  translateTextDecoration,
+  translateTextTransform
+} from '@plugin/translators/text/properties';
+
+import { TypographyStyle } from '@ui/lib/types/shapes/textShape';
+
+export const translateTextStyle = (figmaStyle: TextStyle): TypographyStyle => {
+  const path = figmaStyle.remote ? 'Remote / ' : '';
+
+  return {
+    name: figmaStyle.name,
+    textStyle: {
+      ...translateFontName(figmaStyle.fontName),
+      fontFamily: figmaStyle.fontName.family,
+      fontSize: figmaStyle.fontSize.toString(),
+      fontStyle: translateFontStyle(figmaStyle.fontName.style),
+      textDecoration: translateTextDecoration(figmaStyle),
+      letterSpacing: translateLetterSpacing(figmaStyle),
+      textTransform: translateTextTransform(figmaStyle),
+      lineHeight: translateLineHeight(figmaStyle)
+    },
+    typography: {
+      path,
+      name: figmaStyle.name
+    }
+  };
+};

plugin-src/translators/text/font/custom/translateCustomFont.ts

@@ -1,10 +1,15 @@
 import { getCustomFontId, translateFontVariantId } from '@plugin/translators/text/font/custom';
 
-import { FontId } from '@ui/lib/types/shapes/textShape';
+import { TextTypography } from '@ui/lib/types/shapes/textShape';
 
-export const translateCustomFont = (fontName: FontName, fontWeight: number): FontId | undefined => {
+export const translateCustomFont = (
+  fontName: FontName,
+  fontWeight: string
+): Pick<TextTypography, 'fontId' | 'fontVariantId' | 'fontWeight'> | undefined => {
+  const customFontId = getCustomFontId(fontName);
   return {
-    fontId: `custom-${getCustomFontId(fontName)}`,
-    fontVariantId: translateFontVariantId(fontName, fontWeight)
+    fontId: customFontId ? `custom-${customFontId}` : '',
+    fontVariantId: translateFontVariantId(fontName, fontWeight),
+    fontWeight
   };
 };

plugin-src/translators/text/font/custom/translateFontVariantId.ts

@@ -1,5 +1,5 @@
-export const translateFontVariantId = (fontName: FontName, fontWeight: number) => {
+export const translateFontVariantId = (fontName: FontName, fontWeight: string) => {
   const style = fontName.style.toLowerCase().includes('italic') ? 'italic' : 'normal';
 
-  return `${style}-${fontWeight.toString()}`;
+  return `${style}-${fontWeight}`;
 };

plugin-src/translators/text/font/gfonts/translateFontVariantId.ts

@@ -3,7 +3,7 @@ import { GoogleFont } from './googleFont';
 export const translateFontVariantId = (
   googleFont: GoogleFont,
   fontName: FontName,
-  fontWeight: number
+  fontWeight: string
 ) => {
   // check match directly by style
   const variant = googleFont.variants?.find(variant => variant === fontName.style.toLowerCase());
@@ -13,7 +13,7 @@ export const translateFontVariantId = (
   // check match by style and weight
   const italic = fontName.style.toLowerCase().includes('italic') ? 'italic' : '';
   const variantWithWeight = googleFont.variants?.find(
-    variant => variant === `${fontWeight.toString()}${italic}`
+    variant => variant === `${fontWeight}${italic}`
   );
 
   if (variantWithWeight !== undefined) return variantWithWeight;

plugin-src/translators/text/font/gfonts/translateGoogleFont.ts

@@ -3,21 +3,25 @@ import slugify from 'slugify';
 import { Cache } from '@plugin/Cache';
 import { translateFontVariantId } from '@plugin/translators/text/font/gfonts';
 
-import { FontId } from '@ui/lib/types/shapes/textShape';
+import { TextTypography } from '@ui/lib/types/shapes/textShape';
 
 import { items as gfonts } from './gfonts.json';
 import { GoogleFont } from './googleFont';
 
 const fontsCache = new Cache<string, GoogleFont>({ max: 30 });
 
-export const translateGoogleFont = (fontName: FontName, fontWeight: number): FontId | undefined => {
+export const translateGoogleFont = (
+  fontName: FontName,
+  fontWeight: string
+): Pick<TextTypography, 'fontId' | 'fontVariantId' | 'fontWeight'> | undefined => {
   const googleFont = getGoogleFont(fontName);
 
   if (googleFont === undefined) return;
 
   return {
     fontId: `gfont-${slugify(fontName.family.toLowerCase())}`,
-    fontVariantId: translateFontVariantId(googleFont, fontName, fontWeight)
+    fontVariantId: translateFontVariantId(googleFont, fontName, fontWeight),
+    fontWeight
   };
 };
 

plugin-src/translators/text/font/index.ts

@@ -1 +1 @@
-export * from './translateFontId';
+export * from './translateFontName';

plugin-src/translators/text/font/local/translateFontVariantId.ts

@@ -3,13 +3,12 @@ import { LocalFont } from './localFont';
 export const translateFontVariantId = (
   localFont: LocalFont,
   fontName: FontName,
-  fontWeight: number
+  fontWeight: string
 ): string | undefined => {
   // check match by style and weight
   const italic = fontName.style.toLowerCase().includes('italic');
   const variantWithStyleWeight = localFont.variants?.find(
-    variant =>
-      variant.weight === fontWeight.toString() && variant.style === (italic ? 'italic' : 'normal')
+    variant => variant.weight === fontWeight && variant.style === (italic ? 'italic' : 'normal')
   );
 
   if (variantWithStyleWeight !== undefined) return variantWithStyleWeight.id;

plugin-src/translators/text/font/local/translateLocalFont.ts

@@ -1,17 +1,21 @@
 import { LocalFont, translateFontVariantId } from '@plugin/translators/text/font/local';
 
-import { FontId } from '@ui/lib/types/shapes/textShape';
+import { TextTypography } from '@ui/lib/types/shapes/textShape';
 
 import { items as localFonts } from './localFonts.json';
 
-export const translateLocalFont = (fontName: FontName, fontWeight: number): FontId | undefined => {
+export const translateLocalFont = (
+  fontName: FontName,
+  fontWeight: string
+): Pick<TextTypography, 'fontId' | 'fontVariantId' | 'fontWeight'> | undefined => {
   const localFont = getLocalFont(fontName);
 
   if (localFont === undefined) return;
 
   return {
     fontId: localFont.id,
-    fontVariantId: translateFontVariantId(localFont, fontName, fontWeight)
+    fontVariantId: translateFontVariantId(localFont, fontName, fontWeight),
+    fontWeight
   };
 };