Google Fonts (#80)

* moved validate font logic

* google fonts working

* fixes

* minor improvements

* fix linter

* fixes

* Changeset

* refactor

* refactor

* move files around

---------

Co-authored-by: Jordi Sala Morales <jordism91@gmail.com>

.changeset/good-teachers-clap.md

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

plugin-src/transformers/partials/index.ts

@@ -7,5 +7,5 @@ export * from './transformFills';
 export * from './transformProportion';
 export * from './transformSceneNode';
 export * from './transformStrokes';
-export * from './transformTextStyle';
+export * from './transformText';
 export * from './transformVectorPaths';

plugin-src/transformers/partials/transformText.ts

@@ -0,0 +1,89 @@
+import { transformFills } from '@plugin/transformers/partials';
+import {
+  translateFills,
+  translateHorizontalAlign,
+  translateVerticalAlign
+} from '@plugin/translators';
+import {
+  translateFontId,
+  translateFontStyle,
+  translateFontVariantId,
+  translateGrowType,
+  translateLetterSpacing,
+  translateLineHeight,
+  translateTextDecoration,
+  translateTextTransform
+} from '@plugin/translators/text';
+
+import { TextStyle } from '@ui/lib/types/text/textContent';
+import { TextShape } from '@ui/lib/types/text/textShape';
+
+export const transformText = (node: TextNode): Partial<TextShape> => {
+  const styledTextSegments = node.getStyledTextSegments([
+    'fontName',
+    'fontSize',
+    'fontWeight',
+    'lineHeight',
+    'letterSpacing',
+    'textCase',
+    'textDecoration',
+    'fills'
+  ]);
+
+  return {
+    content: {
+      type: 'root',
+      verticalAlign: translateVerticalAlign(node.textAlignVertical),
+      children: [
+        {
+          type: 'paragraph-set',
+          children: [
+            {
+              type: 'paragraph',
+              children: styledTextSegments.map(segment => ({
+                fills: translateFills(segment.fills, node.width, node.height),
+                text: segment.characters,
+                ...transformTextStyle(node, segment)
+              })),
+              ...(styledTextSegments.length ? transformTextStyle(node, styledTextSegments[0]) : {}),
+              ...transformFills(node)
+            }
+          ]
+        }
+      ]
+    },
+    growType: translateGrowType(node)
+  };
+};
+
+const transformTextStyle = (
+  node: TextNode,
+  segment: Pick<
+    StyledTextSegment,
+    | 'characters'
+    | 'start'
+    | 'end'
+    | 'fontName'
+    | 'fontSize'
+    | 'fontWeight'
+    | 'lineHeight'
+    | 'letterSpacing'
+    | 'textCase'
+    | 'textDecoration'
+    | 'fills'
+  >
+): Partial<TextStyle> => {
+  return {
+    fontFamily: segment.fontName.family,
+    fontId: translateFontId(segment.fontName),
+    fontVariantId: translateFontVariantId(segment.fontName, segment.fontWeight),
+    fontSize: segment.fontSize.toString(),
+    fontStyle: translateFontStyle(segment.fontName.style),
+    fontWeight: segment.fontWeight.toString(),
+    textAlign: translateHorizontalAlign(node.textAlignHorizontal),
+    textDecoration: translateTextDecoration(segment),
+    textTransform: translateTextTransform(segment),
+    letterSpacing: translateLetterSpacing(segment),
+    lineHeight: translateLineHeight(segment)
+  };
+};

plugin-src/transformers/transformTextNode.ts

@@ -2,53 +2,19 @@ import {
   transformBlend,
   transformDimensionAndPosition,
   transformEffects,
-  transformFills,
   transformProportion,
   transformSceneNode,
   transformStrokes,
-  transformTextStyle
+  transformText
 } from '@plugin/transformers/partials';
-import {
-  translateGrowType,
-  translateStyledTextSegments,
-  translateVerticalAlign
-} from '@plugin/translators';
 
 import { TextShape } from '@ui/lib/types/text/textShape';
 
 export const transformTextNode = (node: TextNode, baseX: number, baseY: number): TextShape => {
-  const styledTextSegments = node.getStyledTextSegments([
-    'fontName',
-    'fontSize',
-    'fontWeight',
-    'lineHeight',
-    'letterSpacing',
-    'textCase',
-    'textDecoration',
-    'fills'
-  ]);
-
   return {
     type: 'text',
     name: node.name,
-    content: {
-      type: 'root',
-      verticalAlign: translateVerticalAlign(node.textAlignVertical),
-      children: [
-        {
-          type: 'paragraph-set',
-          children: [
-            {
-              type: 'paragraph',
-              children: translateStyledTextSegments(node, styledTextSegments),
-              ...(styledTextSegments.length ? transformTextStyle(node, styledTextSegments[0]) : {}),
-              ...transformFills(node)
-            }
-          ]
-        }
-      ]
-    },
-    growType: translateGrowType(node),
+    ...transformText(node),
     ...transformDimensionAndPosition(node, baseX, baseY),
     ...transformEffects(node),
     ...transformSceneNode(node),

plugin-src/translators/index.ts

@@ -1,15 +1,7 @@
 export * from './translateBlendMode';
 export * from './translateShadowEffects';
 export * from './translateFills';
-export * from './translateFontStyle';
-export * from './translateFontVariantId';
-export * from './translateGrowType';
 export * from './translateHorizontalAlign';
-export * from './translateLetterSpacing';
-export * from './translateLineHeight';
 export * from './translateStrokes';
-export * from './translateStyledTextSegments';
-export * from './translateTextDecoration';
-export * from './translateTextTransform';
 export * from './translateVectorPaths';
 export * from './translateVerticalAlign';

plugin-src/translators/text/index.ts

@@ -0,0 +1,7 @@
+export * from './translateFontIds';
+export * from './translateFontStyle';
+export * from './translateGrowType';
+export * from './translateLetterSpacing';
+export * from './translateLineHeight';
+export * from './translateTextDecoration';
+export * from './translateTextTransform';

plugin-src/translators/text/translateFontIds.ts

@@ -0,0 +1,60 @@
+import slugify from 'slugify';
+
+import { items as gfonts } from '@plugin/gfonts.json';
+
+export const translateFontId = (fontName: FontName): string => {
+  if (isGfont(fontName)) {
+    return `gfont-${slugify(fontName.family.toLowerCase())}`;
+  }
+
+  // @TODO: check if source sans pro
+
+  // always send font name if not gfont or source sans pro
+  figma.ui.postMessage({ type: 'FONT_NAME', data: fontName.family });
+
+  // @TODO: custom font
+  return slugify(fontName.family.toLowerCase());
+};
+
+export const translateFontVariantId = (fontName: FontName, fontWeight: number) => {
+  const variantId = translateGfontVariantId(fontName, fontWeight);
+  if (variantId !== undefined) {
+    return variantId;
+  }
+
+  // @TODO: Custom font
+  // @TODO: Source Sans pro
+  return fontName.style.toLowerCase().replace(/\s/g, '');
+};
+
+const findGoogleFont = (fontName: FontName) => {
+  return gfonts.find(font => font.family === fontName.family);
+};
+
+const isGfont = (fontName: FontName): boolean => {
+  return findGoogleFont(fontName) !== undefined;
+};
+
+const translateGfontVariantId = (fontName: FontName, fontWeight: number): string | undefined => {
+  const gfont = findGoogleFont(fontName);
+
+  if (gfont === undefined) {
+    return;
+  }
+
+  // check match directly by style
+  const variant = gfont.variants.find(variant => variant === fontName.style.toLowerCase());
+  if (variant !== undefined) {
+    return variant;
+  }
+
+  // check match by style and weight
+  const italic = fontName.style.toLowerCase().includes('italic') ? 'italic' : '';
+  const variantWithWeight = gfont.variants.find(
+    variant => variant === `${fontWeight.toString()}${italic}`
+  );
+
+  if (variantWithWeight !== undefined) {
+    return variantWithWeight;
+  }
+};

plugin-src/tsconfig.json

@@ -5,6 +5,7 @@
     "lib": ["es6"],
     "strict": true,
     "typeRoots": ["../node_modules/@figma"],
-    "moduleResolution": "Node"
+    "moduleResolution": "Node",
+    "resolveJsonModule": true
   }
 }

plugin-src/utils/index.ts

@@ -1,3 +1,6 @@
+export * from './applyMatrixToPoint';
+export * from './calculateAdjustment';
+export * from './calculateLinearGradient';
 export * from './detectMimeType';
+export * from './matrixInvert';
 export * from './rgbToHex';
-export * from './calculateAdjustment';

ui-src/PenpotExporter.tsx

@@ -1,9 +1,7 @@
 import { useEffect, useState } from 'react';
-import slugify from 'slugify';
 
 import { createPenpotFile } from '@ui/converters';
 import { PenpotDocument } from '@ui/lib/types/penpotDocument';
-import { validateFont } from '@ui/validators';
 
 import Logo from './logo.svg?react';
 
@@ -24,11 +22,7 @@ export const PenpotExporter = () => {
 
       setExporting(false);
     } else if (event.data.pluginMessage?.type == 'FONT_NAME') {
-      const fontName = event.data.pluginMessage.data as string;
-
-      if (!validateFont(fontName)) {
-        addFontWarning(slugify(fontName.toLowerCase()));
-      }
+      addFontWarning(event.data.pluginMessage.data as string);
     }
   };