fix: 检查webp是否锤子

litten · Oct 7, 2017 · 0d448b1 · 0d448b1
1 parent 7bbe339
commit 0d448b1
Showing 1 changed file with 12 additions and 7 deletions.
diff --git a/lib/resize.js b/lib/resize.js
@@ -47,6 +47,7 @@ function handleFile(path, floor) {
 				var md5Name = crypto.createHash('md5').update(nodePath.join(path)).digest('hex')
 				var imgPath = './tmp/' + md5Name + '.jpg';
 				var imgLargePath = './tmp_large/' + md5Name + '.jpg';
+				var imgwebPPath = './tmp_webp/' + md5Name + '.webp';
 				fs.exists(imgPath, function(exists) {
 					if (!exists) {
 						images(path)
@@ -66,13 +67,17 @@ function handleFile(path, floor) {
 				});
 
 				// 文件名空格处理
-				var webpLine = path.replace(/\s/g, '%20') + ' -q 80 -o ./tmp_webp/' + md5Name + '.webp';
-				var webpLineSplit = webpLine.split(/\s+/);
-				var webpLineArr = [];
-				for (var i = 0, len = webpLineSplit.length; i < len; i++) {
-					webpLineArr.push(webpLineSplit[i].replace(/%20/g, ' '));
-				}
-				spawn(webpBinPath, webpLineArr);
+				fs.exists(imgwebPPath, function (exists) {
+					if (!exists) {
+						var webpLine = path.replace(/\s/g, '%20') + ' -q 80 -o ./tmp_webp/' + md5Name + '.webp';
+						var webpLineSplit = webpLine.split(/\s+/);
+						var webpLineArr = [];
+						for (var i = 0, len = webpLineSplit.length; i < len; i++) {
+							webpLineArr.push(webpLineSplit[i].replace(/%20/g, ' '));
+						}
+						spawn(webpBinPath, webpLineArr);
+					}
+				});
 			}
 		}
 	})