feat(formatter)!: Default to lineWidth: 100 (#15933)

Fixes #15900

- Update default 80 > 100
- Set `printWidth: 80` for fixture tests
  - Test diffs are all just adding header part for used options
- Also use `printWidth: 80` for `prettier_conformance`

Author: leaysgur

crates/oxc_formatter/src/formatter/printer/mod.rs

@@ -1480,6 +1480,7 @@ two lines`,
                             &token("\"0123456789\""),
                             &token("\"0123456789\""),
                             &token("\"0123456789\""),
+                            &token("\"0123456789\""),
                         ],
                     },
                 ],
@@ -1492,7 +1493,7 @@ two lines`,
   "b",
   "c",
   "d",
-  ["0123456789", "0123456789", "0123456789", "0123456789", "0123456789"],
+  ["0123456789", "0123456789", "0123456789", "0123456789", "0123456789", "0123456789"],
 ]"#,
             result.as_code()
         );
@@ -1689,7 +1690,7 @@ two lines`,
             write!(
                 f,
                 [
-                    group(&token("Group with id-1 does not fit on the line because it exceeds the line width of 80 characters by")).with_group_id(Some(id_1)),
+                    group(&token("Group with id-1 does not fit on the line because it exceeds the line width of 100 characters by..........")).with_group_id(Some(id_1)),
                     hard_line_break()
                 ]
             )?;
@@ -1709,7 +1710,7 @@ two lines`,
         assert_eq!(
             printed.as_code(),
             r"Group with id-2
-Group with id-1 does not fit on the line because it exceeds the line width of 80 characters by
+Group with id-1 does not fit on the line because it exceeds the line width of 100 characters by..........
 Group 2 fits
 Group 1 breaks"
         );

crates/oxc_formatter/src/options.rs

@@ -23,7 +23,7 @@ pub struct FormatOptions {
     /// The type of line ending.
     pub line_ending: LineEnding,
 
-    /// What's the max width of a line. Defaults to 80.
+    /// What's the max width of a line. Defaults to 100.
     pub line_width: LineWidth,
 
     /// The style for quotes. Defaults to double.
@@ -301,7 +301,7 @@ impl LineWidth {
 
 impl Default for LineWidth {
     fn default() -> Self {
-        Self(80)
+        Self(100)
     }
 }
 

crates/oxc_formatter/src/service/oxfmtrc.rs

@@ -25,7 +25,7 @@ pub struct Oxfmtrc {
     /// Which end of line characters to apply. (Default: "lf")
     #[serde(skip_serializing_if = "Option::is_none")]
     pub end_of_line: Option<EndOfLineConfig>,
-    /// The line length that the printer will wrap on. (Default: 80)
+    /// The line length that the printer will wrap on. (Default: 100)
     #[serde(skip_serializing_if = "Option::is_none")]
     pub print_width: Option<u16>,
     /// Use single quotes instead of double quotes. (Default: false)
@@ -444,7 +444,7 @@ mod tests {
         // Should use defaults
         assert!(options.indent_style.is_space());
         assert_eq!(options.indent_width.value(), 2);
-        assert_eq!(options.line_width.value(), 80);
+        assert_eq!(options.line_width.value(), 100);
         assert_eq!(options.experimental_sort_imports, None);
     }
 
@@ -456,7 +456,7 @@ mod tests {
         // Should use defaults
         assert!(options.indent_style.is_space());
         assert_eq!(options.indent_width.value(), 2);
-        assert_eq!(options.line_width.value(), 80);
+        assert_eq!(options.line_width.value(), 100);
         assert_eq!(options.experimental_sort_imports, None);
     }
 

crates/oxc_formatter/tests/fixtures/js/arguments/empty-lines.js.snap

@@ -49,6 +49,9 @@ call(() => {
 );
 
 ==================== Output ====================
+------------------
+{ printWidth: 80 }
+------------------
 call(() => {
   // ...
 }, "good");

crates/oxc_formatter/tests/fixtures/js/arguments/long-curried-call/trailing-comma.js.snap

@@ -8,25 +8,25 @@ Event.debounce(
 )(() => { });
 
 ==================== Output ====================
--------------------------
-{ trailingComma: "none" }
--------------------------
+-----------------------------------------
+{ printWidth: 80, trailingComma: "none" }
+-----------------------------------------
 Event.debounce(
   call(A, B),
   DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
 )(() => {});
 
-------------------------
-{ trailingComma: "es5" }
-------------------------
+----------------------------------------
+{ printWidth: 80, trailingComma: "es5" }
+----------------------------------------
 Event.debounce(
   call(A, B),
   DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
 )(() => {});
 
-------------------------
-{ trailingComma: "all" }
-------------------------
+----------------------------------------
+{ printWidth: 80, trailingComma: "all" }
+----------------------------------------
 Event.debounce(
   call(A, B),
   DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD,

crates/oxc_formatter/tests/fixtures/js/array-assignment/rest-only.js.snap

@@ -5,6 +5,9 @@ source: crates/oxc_formatter/tests/fixtures/mod.rs
 [...rest] = arr;
 
 ==================== Output ====================
+------------------
+{ printWidth: 80 }
+------------------
 [...rest] = arr;
 
 ===================== End =====================

crates/oxc_formatter/tests/fixtures/js/array-pattern/rest-only.js.snap

@@ -5,6 +5,9 @@ source: crates/oxc_formatter/tests/fixtures/mod.rs
 const [...rest] = arr;
 
 ==================== Output ====================
+------------------
+{ printWidth: 80 }
+------------------
 const [...rest] = arr;
 
 ===================== End =====================

crates/oxc_formatter/tests/fixtures/js/assignments/parenthesis.js.snap

@@ -5,6 +5,9 @@ source: crates/oxc_formatter/tests/fixtures/mod.rs
 object[key = "a" + "b"];
 
 ==================== Output ====================
+------------------
+{ printWidth: 80 }
+------------------
 object[(key = "a" + "b")];
 
 ===================== End =====================

crates/oxc_formatter/tests/fixtures/js/assignments/static-member.js.snap

@@ -5,6 +5,9 @@ source: crates/oxc_formatter/tests/fixtures/mod.rs
 options = BracketMatchingControllerLONGLONGLONG._DECORATION_OPTIONS_WITHOUT_OVERVIEW_RULER;
 
 ==================== Output ====================
+------------------
+{ printWidth: 80 }
+------------------
 options =
   BracketMatchingControllerLONGLONGLONG._DECORATION_OPTIONS_WITHOUT_OVERVIEW_RULER;
 

crates/oxc_formatter/tests/fixtures/js/awaits/nested.js.snap

@@ -8,6 +8,9 @@ vite = await (
   appType
 })
 ==================== Output ====================
+------------------
+{ printWidth: 80 }
+------------------
 vite = await (
   await import("vite")
 ).createServer({