feat(indent): introduce returnType for FunctionDeclaration and FunctionExpression

[9romise]

Description

This PR introduces returnType for FunctionDeclaration and FunctionExpression, with a default value of 1.

Fix the regression caused by #853.

Linked Issues

Resolves #875

Additional context

[pkg-pr-new]

Open in StackBlitz

npm i https://pkg.pr.new/@stylistic/eslint-plugin@884

npm i https://pkg.pr.new/@eslint-stylistic/metadata@884

commit: 7f2ca81

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.68%. Comparing base (08d4193) to head (7f2ca81).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #884   +/-   ##
=======================================
  Coverage   99.68%   99.68%           
=======================================
  Files          95       95           
  Lines       18107    18117   +10     
  Branches     4682     4681    -1     
=======================================
+ Hits        18050    18060   +10     
  Misses         57       57           

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[codecov]

Bundle Report

Changes will increase total bundle size by 246 bytes (0.03%) ⬆️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
@stylistic/eslint-plugin-esm	771.92kB	246 bytes (0.03%) ⬆️

Affected Assets, Files, and Routes:

view changes for bundle: @stylistic/eslint-plugin-esm

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
rules/indent.js	206 bytes	69.6kB	0.3%
configs.js	40 bytes	28.48kB	0.14%

Files in rules/indent.js:

• ./rules/indent/indent.ts → Total Size: 69.31kB

Files in configs.js:

• ./configs/customize.ts → Total Size: 6.93kB