WRQ-26798: Remove Lerna and refine run scripts

[0x64]

Checklist

• I have read and understand the contribution guide
• A CHANGELOG entry is included
• At least one test case is included for this feature or bug fix
• Documentation was added or is not needed
• This is an API breaking change

Issue Resolved / Feature Added

After #3166, 'npm run bootstrap' does not link internal packages automatically.

Resolution

As we use npm higher than 7 now, we can use npm workspaces.

• Updated our monorepo to use npm workspaces
• Removed Lerna as we do not use any complex function of Lerna
• Made 'npm install' to make an internal link also
• Made 'npm run clean' to remove 'node_modules' of the root path also
• Removed 'npm run publish' as we don't use it anymore
• But, kept the existing run scripts rather than removing them for any scripts
• Updated a related document

Additional Considerations

Links

WRQ-26798

Comments

Enact-DCO-1.0-Signed-off-by: Seungcheon Baek (sc.baek@lge.com)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.48%. Comparing base (1e444a8) to head (a55a973).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #3248      +/-   ##
===========================================
- Coverage    82.48%   79.48%   -3.01%     
===========================================
  Files          157      157              
  Lines         7247     7247              
  Branches      1919     1919              
===========================================
- Hits          5978     5760     -218     
- Misses         998     1171     +173     
- Partials       271      316      +45     

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[hong6316]

👍
But please fix the travis fail

travis fail