fix(core): fix potential NPE when reading default init options from g…

…lobal object in dev environment (#19217) * fix: '__ECHARTS__DEFAULT__RENDERER__' of undefined * fix: Reduce converted code size * fix: Remove ternary operations
apache · Oct 18, 2023 · 677adea · 677adea
1 parent 522c75d
commit 677adea
Showing 1 changed file with 6 additions and 7 deletions.
diff --git a/src/core/echarts.ts b/src/core/echarts.ts
@@ -412,20 +412,19 @@ class ECharts extends Eventful<ECEventDefinition> {
         let defaultRenderer = 'canvas';
         let defaultCoarsePointer: 'auto' | boolean = 'auto';
         let defaultUseDirtyRect = false;
+
         if (__DEV__) {
             const root = (
                 /* eslint-disable-next-line */
                 env.hasGlobalWindow ? window : global
             ) as any;
 
-            defaultRenderer = root.__ECHARTS__DEFAULT__RENDERER__ || defaultRenderer;
-
-            defaultCoarsePointer = retrieve2(root.__ECHARTS__DEFAULT__COARSE_POINTER, defaultCoarsePointer);
+            if (root) {
+                defaultRenderer = retrieve2(root.__ECHARTS__DEFAULT__RENDERER__, defaultRenderer);
+                defaultCoarsePointer = retrieve2(root.__ECHARTS__DEFAULT__COARSE_POINTER, defaultCoarsePointer);
+                defaultUseDirtyRect = retrieve2(root.__ECHARTS__DEFAULT__USE_DIRTY_RECT__, defaultUseDirtyRect);
+            }
 
-            const devUseDirtyRect = root.__ECHARTS__DEFAULT__USE_DIRTY_RECT__;
-            defaultUseDirtyRect = devUseDirtyRect == null
-                ? defaultUseDirtyRect
-                : devUseDirtyRect;
         }
 
         const zr = this._zr = zrender.init(dom, {