Renaming files names WIP Addresses #3771

[anilreddykatta]

Summary

Renaming files to make it consistent across entire repo. Addresses #3771. This is Work In Progress
Test plan

[codecov-io]

Codecov Report

Merging #3798 into master will not change coverage.
The diff coverage is 13.88%.

@@           Coverage Diff           @@
##           master    #3798   +/-   ##
=======================================
  Coverage   58.07%   58.07%           
=======================================
  Files         195      195           
  Lines        6734     6734           
  Branches        6        6           
=======================================
  Hits         3911     3911           
  Misses       2820     2820           
  Partials        3        3

Impacted Files	Coverage Δ
...ages/jest-config/src/reporter_validation_errors.js	33.33% <ø> (ø)
packages/jest-haste-map/src/haste_fs.js	52.63% <ø> (ø)
packages/jest-jasmine2/src/tree_processor.js	0% <ø> (ø)
...kages/jest-circus/src/format_node_assert_errors.js	0% <ø> (ø)
...eslint-plugin-jest/src/rules/no_identical_title.js	100% <ø> (ø)
packages/jest-editor-support/src/process.js	7.69% <ø> (ø)
...s/jest-haste-map/src/lib/get_platform_extension.js	100% <ø> (ø)
packages/jest-jasmine2/src/queue_runner.js	100% <ø> (ø)
packages/jest-jasmine2/src/jasmine/call_tracker.js	0% <ø> (ø)
...circus/src/legacy_code_todo_rewrite/jest_expect.js	0% <ø> (ø)
... and 111 more

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[anilreddykatta]

@aaronabramov, @cpojer, @thymikee Please, provide your comments on this PR. As this will renaming most of the files, it would be really helpful for initial comments/suggestions so that I can act and get it merged!

• I renamed almost all the packages, except jest-cli, which is causing more test case failures. I will finish this too by this week.
• Some files like Console.js in jest-utils when renamed to lower case it is failing some test cases throwing it cannot resolve the module. Very weird, as I could see the file name in the exact same directory it is looking in
• Higher level package directories like jest, jest-cli are kep intact as they are already in lower case. Unless snake case is jest_cli is what we are looking for packages.
• Directories, and file names are named in lower snake case blah_blah.js/blah_blah.test.js. Directories inside packages are also being named on these lines

[aaronabramov]

this is great! I tested it locally and it seems to be working fine.
thank you so much for working on this @anilreddykatta!
i'll file a couple of followups to finish renaming and enforce the new naming convention

[anilreddykatta]

@aaronabramov Sure. I will work on it.!

[github-actions]

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