1 files changed, 64 insertions, 0 deletions
diff --git a/common/renderCard.ts b/common/renderCard.ts
new file mode 100644
index 0000000..0e1bb63
--- /dev/null
+++ b/common/renderCard.ts
@@ -0,0 +1,64 @@
+import { SatoriOptions } from 'satori'
+import { Font } from './types/configType'
+import QueryType from './types/queryType'
+import { mergeConfig } from './configHelper'
+import { getRepoDetails } from './github/repoQuery'
+import getTwemojiMap from './twemoji'
+
+export async function getFont(
+  font: Font,
+  weight: SatoriOptions['fonts'][0]['weight']
+): Promise<SatoriOptions['fonts'][0]> {
+  const fontSlug = font.replace(/\s/g, '-').toLowerCase()
+  const cdnUrl = `https://cdn.jsdelivr.net/npm/@fontsource/${fontSlug}/files/${fontSlug}-all-${weight}-normal.woff`
+
+  return {
+    name: font,
+    data: await fetch(cdnUrl).then((response) => {
+      if (response.ok) {
+        return response.arrayBuffer()
+      }
+      throw new Error('Failed to fetch font')
+    }),
+    weight,
+    style: 'normal'
+  }
+}
+
+export function getFonts(font: Font) {
+  return Promise.all([
+    getFont(Font.jost, 400),
+    getFont(font, 200),
+    getFont(font, 400),
+    getFont(font, 500)
+  ])
+}
+
+export async function getEmojiSVG(code: string) {
+  return (
+    await fetch(`https://twemoji.maxcdn.com/v/13.1.0/svg/${code}.svg`)
+  ).text()
+}
+
+export async function getGraphemeImages(description: string = '') {
+  const emojiCodes = getTwemojiMap(description)
+  const emojis = await Promise.all(Object.values(emojiCodes).map(getEmojiSVG))
+  const graphemeImages = Object.fromEntries(
+    Object.entries(emojiCodes).map(([key], index) => [
+      key,
+      `data:image/svg+xml;base64,` + btoa(emojis[index])
+    ])
+  )
+
+  return graphemeImages
+}
+
+export async function getCardConfig(query: QueryType) {
+  const { repository } = await getRepoDetails(query._owner, query._name)
+
+  const config = mergeConfig(repository, query)
+
+  if (!config) throw Error('Configuration failed to generate')
+
+  return config
+}