add history debounce

src/fonteditor/controller/default.js

@@ -197,6 +197,11 @@ define(
          */
         function bindViewer(program) {
 
+            // 由于可能存在连续保存的情况，这里debounce一下
+            var pushHistory = lang.debounce(function () {
+                program.ttfManager.pushHistory();
+            }, 200);
+
             program.viewer.on('del', function (e) {
                 if (e.list) {
                     program.ttfManager.removeGlyf(e.list);
@@ -358,9 +363,7 @@ define(
                     var selected = program.viewer.getSelected();
                     if (selected.length) {
                         moveSelectedGlyf(selected, true);
-                        setTimeout(function () {
-                            program.ttfManager.pushHistory();
-                        });
+                        pushHistory();
                     }
                 }
 
@@ -381,9 +384,7 @@ define(
                     var selected = program.viewer.getSelected();
                     if (selected.length) {
                         moveSelectedGlyf(selected, false);
-                        setTimeout(function () {
-                            program.ttfManager.pushHistory();
-                        });
+                        pushHistory();
                     }
                 }
             });

src/ttf/table/OS2.js

@@ -213,7 +213,7 @@ define(
                             unicodes = [glyf.unicode];
                         }
 
-                        if (lang.isArray(unicodes)) {
+                        if (Array.isArray(unicodes)) {
                             unicodes.forEach(function (unicode) {
                                 if (unicode !== 0xFFFF) {
                                     usFirstCharIndex = Math.min(usFirstCharIndex, unicode);

src/ttf/ttf.js

@@ -539,7 +539,7 @@ define(
 
             // 按unicode数组查找
             if (condition.unicode) {
-                var unicodeList = lang.isArray(condition.unicode) ? condition.unicode : [condition.unicode];
+                var unicodeList = Array.isArray(condition.unicode) ? condition.unicode : [condition.unicode];
                 var unicodeHash = {};
                 unicodeList.forEach(function (unicode) {
                     if (typeof unicode === 'string') {