Version
5.4.3
Link to Minimal Reproduction
https://github.com/itzdrli/example
Steps to Reproduce
Use the code from Here . The code has written by following official document
Current Behavior
Error:
C:\Users\xxxx\Desktop\t\node_modules.pnpm\echarts@5.4.3\node_modules\echarts\dist\echarts.js:9083
for (var i = 0; i < cachedImgObj.pending.length; i++) {
^
TypeError: Cannot read properties of undefined (reading 'pending')
at imageOnLoad (C:\Users\xxxx\Desktop\t\node_modules.pnpm\echarts@5.4.3\node_modules\echarts\dist\echarts.js:9083:42)
at setSource (C:\Users\xxxx\Desktop\t\node_modules.pnpm\canvas@2.11.2\node_modules\canvas\lib\image.js:94:13)
at Image.set (C:\Users\xxxx\Desktop\t\node_modules.pnpm\canvas@2.11.2\node_modules\canvas\lib\image.js:40:9)
at Object.loadImage (C:\Users\xxxx\Desktop\t\index.js:16:13)
at createOrUpdateImage (C:\Users\xxxx\Desktop\t\node_modules.pnpm\echarts@5.4.3\node_modules\echarts\dist\echarts.js:9067:37)
at brushImage (C:\Users\xxxx\Desktop\t\node_modules.pnpm\echarts@5.4.3\node_modules\echarts\dist\echarts.js:27311:34)
at brush (C:\Users\xxxx\Desktop\t\node_modules.pnpm\echarts@5.4.3\node_modules\echarts\dist\echarts.js:27627:17)
at CanvasPainter._doPaintEl (C:\Users\xxxx\Desktop\t\node_modules.pnpm\echarts@5.4.3\node_modules\echarts\dist\echarts.js:40498:17)
at repaint (C:\Users\xxxx\Desktop\t\node_modules.pnpm\echarts@5.4.3\node_modules\echarts\dist\echarts.js:40433:31)
at _loop_1 (C:\Users\xxxx\Desktop\t\node_modules.pnpm\echarts@5.4.3\node_modules\echarts\dist\echarts.js:40464:21)
Expected Behavior
the image would show
Environment
- OS:Windows 11
- Node-CanvasAny additional comments?
No response
3条答案
按热度按时间kr98yfug1#
not sure what you are trying to accomplish with loadImage since it is not used anywhere...
Images could be used as background or symbols - Demo Code
nxagd54h2#
not sure what you are trying to accomplish with loadImage since it is not used anywhere...
Images could be used as background or symbols - [Demo Code)
Check the code he provided, he is indeed using symbols. And if the image is not loaded, this error will not appear at all
Even when using the Demo code you provided, this error still occurs in node-canvas.
x7rlezfr3#
wth, if you remove
img.onload = onload.bind(img);it will works as intented.Possible related commit: ecomfe/zrender@c564acd
Anyway, the offical documentation are not written correctly. https://echarts.apache.org/handbook/en/how-to/cross-platform/server/#loading-of-images