Add `jest:detectleaks` npm script for Jest memory leak testing. (#3123)
Add `jest:detectleaks` npm script for Jest memory leak testing. (#3123)

* chore: Add `weak` npm module to support Jest memory leak testing.

* chore: Add `jest:detectleaks` npm script for Jest memory leak testing.

stylelint/stylelint,stylelint/stylelint,gucong3000/stylelint,stylelint/stylelint,gucong3000/stylelint,gucong3000/stylelint,stylelint/stylelint