📝 JSON files formatted by "biome format" are accepted by "biome lint" on Linux are rejected by "biome lint" on Windows

[seriousme]

Environment information

CLI:
  Version:                      1.9.4
  Color support:                true

Platform:
  CPU Architecture:             x86_64
  OS:                           linux

Environment:
  BIOME_LOG_PATH:               unset
  BIOME_LOG_PREFIX_NAME:        unset
  BIOME_CONFIG_PATH:            unset
  NO_COLOR:                     unset
  TERM:                         "xterm-256color"
  JS_RUNTIME_VERSION:           "v22.11.0"
  JS_RUNTIME_NAME:              "node"
  NODE_PACKAGE_MANAGER:         "npm/10.9.0"

Biome Configuration:
  Status:                       Loaded successfully
  Formatter disabled:           false
  Linter disabled:              false
  Organize imports disabled:    false
  VCS disabled:                 true

Formatter:
  Format with errors:           false
  Indent style:                 Tab
  Indent width:                 2
  Line ending:                  Lf
  Line width:                   80
  Attribute position:           Auto
  Bracket spacing:              BracketSpacing(true)
  Ignore:                       []
  Include:                      []

JavaScript Formatter:
  Enabled:                      true
  JSX quote style:              Double
  Quote properties:             AsNeeded
  Trailing commas:              All
  Semicolons:                   Always
  Arrow parentheses:            Always
  Bracket spacing:              unset
  Bracket same line:            false
  Quote style:                  Double
  Indent style:                 unset
  Indent width:                 unset
  Line ending:                  unset
  Line width:                   unset
  Attribute position:           unset

JSON Formatter:
  Enabled:                      true
  Indent style:                 unset
  Indent width:                 unset
  Line ending:                  unset
  Line width:                   unset
  Trailing Commas:              unset

CSS Formatter:
  Enabled:                      true
  Indent style:                 unset
  Indent width:                 unset
  Line ending:                  unset
  Line width:                   unset
  Quote style:                  Double

GraphQL Formatter:
  Enabled:                      false
  Indent style:                 unset
  Indent width:                 unset
  Line ending:                  unset
  Line width:                   unset
  Bracket spacing:              unset
  Quote style:                  unset

Workspace:
  Open Documents:               0

Configuration

{
	"files": {
		"ignore": [
			".nyc_output",
			"coverage",
			"schemas",
			"schemas.orig",
			"dummy.json",
			"package.json"
		]
	},
	"linter": {
		"enabled": true,
		"rules": {
			"recommended": true,
			"complexity": { "useLiteralKeys": "off" }
		}
	}
}

Playground link

https://biomejs.dev/playground/?lineWidth=120&indentStyle=space&quoteStyle=single&indentWidth=4&arrowParentheses=as-needed&code=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%3D%3D

Code of Conduct

• I agree to follow Biome's Code of Conduct

[seriousme]

I also tried:

{
	"files": {
		"ignore": [
			".nyc_output",
			"coverage",
			"schemas",
			"schemas.orig",
			"dummy.json",
			"package.json"
		]
	},
	"formatter": {
		"lineEnding": "lf"
	},
	"json": {
		"formatter": {
			"lineEnding": "lf"
		}
	},
	"linter": {
		"enabled": true,
		"rules": {
			"recommended": true,
			"complexity": { "useLiteralKeys": "off" }
		}
	}
}

but the issue persists.

[seriousme]

This is the output I get on "windows-latest" on GitHub

biome ci .

.\biome.json format ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × File content differs from formatting output
  
     1    │ - {␍
     2    │ - → "files":·{␍
     3    │ - → → "ignore":·[␍
     4    │ - → → → ".nyc_output",␍
     5    │ - → → → "coverage",␍
     6    │ - → → → "schemas",␍
     7    │ - → → → "schemas.orig",␍
      8   │ - → → → "dummy.json",␍
     9    │ - → → → "package.json"␍
    10    │ - → → ]␍
    11    │ - → },␍
    12    │ - → "formatter":·{␍
    13    │ - → → "lineEnding":·"lf"␍
    14    │ - → },␍
    15    │ - → "json":·{␍
    16    │ - → → "formatter":·{␍
    17    │ - → → → "lineEnding":·"lf"␍
    18    │ - → → }␍
    19    │ - → },␍
    20    │ - → "linter":·{␍
    21    │ - → → "enabled":·true,␍
    22    │ - → → "rules":·{␍
    23    │ - → → → "recommended":·true,␍
    24    │ - → → → "complexity":·{·"useLiteralKeys":·"off"·}␍
    25    │ - → → }␍
    26    │ - → }␍
    27    │ - }␍
        1 │ + {
        2 │ + → "files":·{
        3 │ + → → "ignore":·[
        4 │ + → → → ".nyc_output",
        5 │ + → → → "coverage",
        6 │ + → → → "schemas",
        7 │ + → → → "schemas.orig",
        8 │ + → → → "dummy.json",
        9 │ + → → → "package.json"
       10 │ + → → ]
       11 │ + → },
       12 │ + → "formatter":·{
       13 │ + → → "lineEnding":·"lf"
       14 │ + → },
       15 │ + → "json":·{
       16 │ + → → "formatter":·{
       17 │ + → → → "lineEnding":·"lf"
       18 │ + → → }
       19 │ + → },
       20 │ + → "linter":·{
       21 │ + → → "enabled":·true,
       22 │ + → → "rules":·{
       23 │ + → → → "recommended":·true,
       24 │ + → → → "complexity":·{·"useLiteralKeys":·"off"·}
       25 │ + → → }
       26 │ + → }
       27 │ + }
       28 │

[seriousme]

Found the problem.
It was caused by Git, not by Biome.
Git on Windows automatically coverts lf to crlf, I solved it by adding a .gitattributes file containing:

*.json text eol=lf 
*.js text eol=lf 
*.ts text eol=lf 
*.cjs text eol=lf