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Vote

Memory leak issue with Rich Text Editor component

Instances of the components seem to be kept in the memory when containing ejs-richtexteditor.

Sample:

20220314_memleak_syncfusion_markdowneditor_demoproject_e104add5.zip

Video: 

20220314_memleak_syncfusion_markdowneditor_movie_15345913.zip

Reproduce steps:

  1. unzip the demo project, install, build and start:
    1. npm install or yarn install​
    2. ng build or yarn build​
    3. ng serve or yarn start
  2. open developer tools, go to the "Memory" tab, take a heap snapshot
  3. switch "Block 1" 10 times on and off by clicking on the "TOGGLE Block 1" Button, make sure that it's switched off at the end
  4. take another heap snapshot on the "Memory" tab in developer tools, choose "Comparison" in the toolbar and type in "rich" in the "Class filter" input
    Result: you'll see 11 instances of "LComponentView_RichTextEditorComponent"
  5. type "dummy" in the "Class filter" input
    Result: you'll see 11 instances of "LComponentView_DummyComponent" and 10 instances of "DummyComponent"
  6. now switch "Block 2" 10 times on and off by clicking on the "TOGGLE Block 1" Button, make sure that it's switched off at the end
  7. take another heap snapshot, choose "Comparison" in order to compare snapshot 3 with the preceeding snapshot 2, type "dummy" in the "Class filter" input
    Result: you'll se no new instances of "DummyComponent"