fix: prev

Author: sxzz

scripts/compare-size.js

@@ -37,11 +37,8 @@ async function renderFiles() {
     const currPath = path.resolve(currDir, file)
     const prevPath = path.resolve(prevDir, file)
 
-    let curr
-    if (existsSync(currPath)) curr = await importJSON(currPath)
-    let prev
-    if (existsSync(prevPath)) prev = await importJSON(prevPath)
-
+    const curr = await importJSON(currPath)
+    const prev = await importJSON(prevPath)
     const fileName = curr?.file || prev?.file
 
     if (!curr) {
@@ -79,7 +76,9 @@ async function processExports() {
   const curr = await importJSON(path.resolve(currDir, '_exports.json'))
   const prev = await importJSON(path.resolve(prevDir, '_exports.json'))
   output += '\n### Exports\n\n'
-  output += renderExports(curr, prev)
+  if (prev) {
+    output += renderExports(curr, prev)
+  }
   output += `\n\n<details>\n<summary>Show full exports</summary>\n\n${renderExports(
     curr
   )}\n\n</details>\n\n`
@@ -123,6 +122,7 @@ function renderExports(exports, prev) {
  * @param {string} path
  */
 async function importJSON(path) {
+  if (!existsSync(path)) return undefined
   return (await import(path, { assert: { type: 'json' } })).default
 }