Format examples in docs (#7378)

Signed-off-by: Nick Cameron <nrc@ncameron.org>

docs/kcl-std/functions/std-assert.md

@@ -41,8 +41,19 @@ assert(
 ```kcl
 n = 10
 assert(n, isEqualTo = 10)
-assert(n, isGreaterThanOrEqual = 0, isLessThan = 100, error = "number should be between 0 and 100")
-assert(1.0000000000012, isEqualTo = 1, tolerance = 0.0001, error = "number should be almost exactly 1")
+assert(
+  n,
+  isGreaterThanOrEqual = 0,
+  isLessThan = 100,
+  error = "number should be between 0 and 100",
+)
+assert(
+  1.0000000000012,
+  isEqualTo = 1,
+  tolerance = 0.0001,
+  error = "number should be almost exactly 1",
+)
+
 ```
 
 

docs/kcl-std/functions/std-assertIs.md

@@ -29,6 +29,7 @@ assertIs(
 ```kcl
 kclIsFun = true
 assertIs(kclIsFun)
+
 ```
 
 

docs/kcl-std/functions/std-math-atan.md

@@ -29,14 +29,12 @@ Consider using `atan2()` instead for the true inverse of tangent.
 ```kcl
 sketch001 = startSketchOn(XZ)
   |> startProfile(at = [0, 0])
-  |> angledLine(
-    angle = atan(1.25),
-    length = 20,
-  )
+  |> angledLine(angle = atan(1.25), length = 20)
   |> yLine(endAbsolute = 0)
   |> close()
 
 extrude001 = extrude(sketch001, length = 5)
+
 ```
 
 

docs/kcl-std/functions/std-math-legAngX.md

@@ -32,6 +32,7 @@ legAngX(
 
 ```kcl
 legAngX(hypotenuse = 5, leg = 3)
+
 ```
 
 

docs/kcl-std/functions/std-math-legAngY.md

@@ -32,6 +32,7 @@ legAngY(
 
 ```kcl
 legAngY(hypotenuse = 5, leg = 3)
+
 ```
 
 

docs/kcl-std/functions/std-math-legLen.md

@@ -32,6 +32,7 @@ legLen(
 
 ```kcl
 legLen(hypotenuse = 5, leg = 3)
+
 ```
 
 

docs/kcl-std/types/std-types-any.md

@@ -21,6 +21,7 @@ acceptAnything(42)
 acceptAnything('hello')
 acceptAnything(XY)
 acceptAnything([0, 1, 2])
+
 ```
 
 

docs/kcl-std/types/std-types-string.md

@@ -15,6 +15,7 @@ Strings may be delimited using either single or double quotes.
 ```kcl
 "hello,"
 'world!'
+
 ```
 
 

rust/kcl-lib/src/docs/gen_std_tests.rs

@@ -173,7 +173,11 @@ fn generate_example(index: usize, src: &str, props: &ExampleProperties, file_nam
         return None;
     }
 
-    let content = if props.inline { "" } else { src };
+    let content = if props.inline {
+        String::new()
+    } else {
+        crate::unparser::fmt(src).unwrap()
+    };
 
     let image_base64 = if props.norun {
         String::new()

rust/kcl-lib/src/execution/state.rs

@@ -48,7 +48,7 @@ pub(super) struct GlobalState {
     pub mod_loader: ModuleLoader,
     /// Errors and warnings.
     pub errors: Vec<CompilationError>,
-    #[allow(dead_code)]
+    #[cfg_attr(not(feature = "artifact-graph"), allow(dead_code))]
     pub artifacts: ArtifactState,
 }
 

rust/kcl-lib/src/unparser.rs

@@ -1,16 +1,26 @@
 use std::fmt::Write;
 
-use crate::parsing::{
+use crate::{
+    parsing::{
         ast::types::{
             Annotation, ArrayExpression, ArrayRangeExpression, AscribedExpression, BinaryExpression, BinaryOperator,
-        BinaryPart, BodyItem, CallExpressionKw, CommentStyle, DefaultParamVal, Expr, FormatOptions, FunctionExpression,
-        IfExpression, ImportSelector, ImportStatement, ItemVisibility, LabeledArg, Literal, LiteralIdentifier,
-        LiteralValue, MemberExpression, Node, NonCodeNode, NonCodeValue, ObjectExpression, Parameter, PipeExpression,
-        Program, TagDeclarator, TypeDeclaration, UnaryExpression, VariableDeclaration, VariableKind,
+            BinaryPart, BodyItem, CallExpressionKw, CommentStyle, DefaultParamVal, Expr, FormatOptions,
+            FunctionExpression, IfExpression, ImportSelector, ImportStatement, ItemVisibility, LabeledArg, Literal,
+            LiteralIdentifier, LiteralValue, MemberExpression, Node, NonCodeNode, NonCodeValue, ObjectExpression,
+            Parameter, PipeExpression, Program, TagDeclarator, TypeDeclaration, UnaryExpression, VariableDeclaration,
+            VariableKind,
         },
         deprecation, DeprecationKind, PIPE_OPERATOR,
+    },
+    KclError, ModuleId,
 };
 
+#[allow(dead_code)]
+pub fn fmt(input: &str) -> Result<String, KclError> {
+    let program = crate::parsing::parse_str(input, ModuleId::default()).parse_errs_as_err()?;
+    Ok(program.recast(&Default::default(), 0))
+}
+
 impl Program {
     pub fn recast(&self, options: &FormatOptions, indentation_level: usize) -> String {
         let indentation = options.get_indentation(indentation_level);