1 files changed, 61 insertions, 0 deletions
diff --git a/build/check-icons.mjs b/build/check-icons.mjs
new file mode 100644
index 0000000..70f3dfe
--- /dev/null
+++ b/build/check-icons.mjs
@@ -0,0 +1,61 @@
+#!/usr/bin/env node
+
+import fs from 'node:fs/promises'
+import path from 'node:path'
+import process from 'node:process'
+import { fileURLToPath } from 'node:url'
+import picocolors from 'picocolors'
+
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = path.dirname(fileURLToPath(import.meta.url))
+
+const fontJsonPath = path.join(__dirname, '../font/bootstrap-icons.json')
+const iconsDir = path.join(__dirname, '../icons/')
+
+;(async () => {
+  try {
+    const basename = path.basename(__filename)
+    const timeLabel = picocolors.cyan(`[${basename}] finished`)
+
+    console.log(picocolors.cyan(`[${basename}] started`))
+    console.time(timeLabel)
+
+    const fontJsonString = await fs.readFile(fontJsonPath, 'utf8')
+    const fontJson = JSON.parse(fontJsonString)
+    const svgFiles = await fs.readdir(iconsDir)
+
+    const jsonIconList = Object.keys(fontJson)
+    const svgIconList = svgFiles.map(svg => path.basename(svg, '.svg'))
+
+    const onlyInJson = jsonIconList.filter(icon => !svgIconList.includes(icon))
+    const onlyInSvg = svgIconList.filter(icon => !jsonIconList.includes(icon))
+
+    if (onlyInJson.length === 0 || onlyInSvg === 0) {
+      console.log(picocolors.green('Success, found no differences!'))
+      console.timeEnd(timeLabel)
+
+      return
+    }
+
+    if (onlyInJson.length > 0) {
+      console.error(picocolors.red(`Found additional icons in ${fontJsonPath}:`))
+
+      for (const icon of onlyInJson) {
+        console.log(`  - ${picocolors.red(icon)}`)
+      }
+    }
+
+    if (onlyInSvg.length > 0) {
+      console.error(picocolors.red('Found additional icons in SVG files:'))
+
+      for (const icon of onlyInSvg) {
+        console.log(`  - ${picocolors.red(icon)}`)
+      }
+    }
+
+    process.exit(1)
+  } catch (error) {
+    console.error(error)
+    process.exit(1)
+  }
+})()