feat: support quality/compressionLevel options in image converters

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-07-30 23:03:39 +02:00
parent 8caab530e7
commit 57d7dac2b5
2 changed files with 73 additions and 3 deletions
@@ -7,6 +7,13 @@ function sharpFormatName(format) {
  return format === 'jpg' ? 'jpeg' : format;
 }

+export function buildFormatOptions(targetFormat, quality) {
+  if (quality == null) return {};
+  if (targetFormat === 'png') return { compressionLevel: quality };
+  if (targetFormat === 'gif') return {};
+  return { quality };
+}
+
 export function registerImageConverters() {
  for (const sourceFormat of IMAGE_FORMATS) {
    for (const targetFormat of IMAGE_FORMATS) {
@@ -16,8 +23,10 @@ export function registerImageConverters() {
        family: 'image',
        sourceFormat,
        targetFormat,
-        convert: async (inputPath, outputPath) => {
-          await sharp(inputPath).toFormat(sharpFormatName(targetFormat)).toFile(outputPath);
+        convert: async (inputPath, outputPath, { quality } = {}) => {
+          await sharp(inputPath)
+            .toFormat(sharpFormatName(targetFormat), buildFormatOptions(targetFormat, quality))
+            .toFile(outputPath);
        },
      });
    }