eagle预览spine插件

thumbnail/icns.js

@@ -0,0 +1,28 @@
+const fs = require('fs');
+const icns = require('./../js/icns-util.js');
+const imageSize = require('./../js/image-size.js');
+
+module.exports = async ({ src, dest, item }) => {
+    return new Promise(async (resolve, reject) => {
+        try {
+			// 1. parsing and generate thumbnail file to dest
+			await icns.icns2png(src, dest);
+			let size = await imageSize(dest);
+
+			// 2. Check if the result is correct
+			if (!fs.existsSync(dest) || size.width === 0) {
+                return reject(new Error(`icns file thumbnail generate fail.`));
+            }
+
+			// 3. update the item dimensions
+            item.height = size?.height || item.height;
+            item.width = size?.width || item.width;
+
+			// 4. return the result
+            return resolve(item);
+        }
+        catch (err) {
+            return reject(err);
+        }
+    });
+}