Don't make resource IDs lowercased

components/resources/demo/shared/src/commonMain/kotlin/org/jetbrains/compose/resources/demo/shared/FontRes.kt

@@ -42,7 +42,7 @@ fun FontRes(paddingValues: PaddingValues) {
         }
         Text(
             modifier = Modifier.padding(16.dp),
-            fontFamily = FontFamily(Font(Res.font.workbench_regular)),
+            fontFamily = FontFamily(Font(Res.font.Workbench_Regular)),
             style = MaterialTheme.typography.headlineLarge,
             text = "brown fox jumps over the lazy dog"
         )

gradle-plugins/compose/src/main/kotlin/org/jetbrains/compose/resources/GenerateResClassTask.kt

@@ -106,6 +106,5 @@ abstract class GenerateResClassTask : DefaultTask() {
 }
 
 internal fun String.asUnderscoredIdentifier(): String =
-    lowercase()
-        .replace('-', '_')
+    replace('-', '_')
         .let { if (it.isNotEmpty() && it.first().isDigit()) "_$it" else it }

gradle-plugins/compose/src/main/kotlin/org/jetbrains/compose/resources/ResourcesGenerator.kt

@@ -43,7 +43,7 @@ private fun Project.configureResourceGenerator(commonComposeResourcesDir: File,
     val commonComposeResources = provider { commonComposeResourcesDir }
     val packageName = provider {
         buildString {
-            val group = project.group.toString().asUnderscoredIdentifier()
+            val group = project.group.toString().lowercase().asUnderscoredIdentifier()
             append(group)
             if (group.isNotEmpty()) append(".")
             append(project.name.lowercase())

gradle-plugins/compose/src/test/test-projects/misc/commonResources/expected/Res.kt

@@ -29,14 +29,22 @@ internal object Res {
     public object drawable {
         public val _3_strange_name: DrawableResource = get_drawable__3_strange_name()
 
+        public val camelCaseName: DrawableResource = get_drawable_camelCaseName()
+
         public val vector: DrawableResource = get_drawable_vector()
 
         public val vector_2: DrawableResource = get_drawable_vector_2()
     }
 
     public object string {
+        public val PascalCase: StringResource = get_string_PascalCase()
+
+        public val _1_kebab_case: StringResource = get_string__1_kebab_case()
+
         public val app_name: StringResource = get_string_app_name()
 
+        public val camelCase: StringResource = get_string_camelCase()
+
         public val hello: StringResource = get_string_hello()
 
         public val multi_line: StringResource = get_string_multi_line()
@@ -47,7 +55,7 @@ internal object Res {
     }
 
     public object font {
-        public val emptyfont: FontResource = get_font_emptyfont()
+        public val emptyFont: FontResource = get_font_emptyFont()
     }
 }
 
@@ -59,6 +67,14 @@ private fun get_drawable__3_strange_name(): DrawableResource =
         )
     )
 
+private fun get_drawable_camelCaseName(): DrawableResource =
+    org.jetbrains.compose.resources.DrawableResource(
+        "drawable:camelCaseName",
+        setOf(
+            org.jetbrains.compose.resources.ResourceItem(setOf(), "drawable/camelCaseName.xml"),
+        )
+    )
+
 private fun get_drawable_vector(): DrawableResource =
     org.jetbrains.compose.resources.DrawableResource(
         "drawable:vector",
@@ -84,13 +100,36 @@ private fun get_drawable_vector_2(): DrawableResource =
         )
     )
 
+private fun get_string_PascalCase(): StringResource =
+    org.jetbrains.compose.resources.StringResource(
+        "string:PascalCase", "PascalCase",
+        setOf(
+            org.jetbrains.compose.resources.ResourceItem(setOf(), "values/strings.xml"),
+        )
+    )
+
+private fun get_string__1_kebab_case(): StringResource =
+    org.jetbrains.compose.resources.StringResource(
+        "string:_1_kebab_case", "_1_kebab_case",
+        setOf(
+            org.jetbrains.compose.resources.ResourceItem(setOf(), "values/strings.xml"),
+        )
+    )
+
 private fun get_string_app_name(): StringResource = org.jetbrains.compose.resources.StringResource(
     "string:app_name", "app_name",
     setOf(
         org.jetbrains.compose.resources.ResourceItem(setOf(), "values/strings.xml"),
     )
 )
 
+private fun get_string_camelCase(): StringResource = org.jetbrains.compose.resources.StringResource(
+    "string:camelCase", "camelCase",
+    setOf(
+        org.jetbrains.compose.resources.ResourceItem(setOf(), "values/strings.xml"),
+    )
+)
+
 private fun get_string_hello(): StringResource = org.jetbrains.compose.resources.StringResource(
     "string:hello", "hello",
     setOf(
@@ -121,8 +160,8 @@ private fun get_string_str_template(): StringResource =
         )
     )
 
-private fun get_font_emptyfont(): FontResource = org.jetbrains.compose.resources.FontResource(
-    "font:emptyfont",
+private fun get_font_emptyFont(): FontResource = org.jetbrains.compose.resources.FontResource(
+    "font:emptyFont",
     setOf(
         org.jetbrains.compose.resources.ResourceItem(setOf(), "font/emptyFont.otf"),
     )

gradle-plugins/compose/src/test/test-projects/misc/commonResources/src/commonMain/composeResources/drawable/camelCaseName.xml

@@ -0,0 +1,36 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="600dp"
+    android:height="600dp"
+    android:viewportWidth="600"
+    android:viewportHeight="600">
+  <path
+      android:pathData="M301.21,418.53C300.97,418.54 300.73,418.56 300.49,418.56C297.09,418.59 293.74,417.72 290.79,416.05L222.6,377.54C220.63,376.43 219,374.82 217.85,372.88C216.7,370.94 216.09,368.73 216.07,366.47L216.07,288.16C216.06,287.32 216.09,286.49 216.17,285.67C216.38,283.54 216.91,281.5 217.71,279.6L199.29,268.27L177.74,256.19C175.72,260.43 174.73,265.23 174.78,270.22L174.79,387.05C174.85,393.89 178.57,400.2 184.53,403.56L286.26,461.02C290.67,463.51 295.66,464.8 300.73,464.76C300.91,464.76 301.09,464.74 301.27,464.74C301.24,449.84 301.22,439.23 301.22,439.23L301.21,418.53Z"
+      android:fillColor="#041619"
+      android:fillType="nonZero"/>
+  <path
+      android:pathData="M409.45,242.91L312.64,188.23C303.64,183.15 292.58,183.26 283.68,188.51L187.92,245C183.31,247.73 179.93,251.62 177.75,256.17L177.74,256.19L199.29,268.27L217.71,279.6C217.83,279.32 217.92,279.02 218.05,278.74C218.24,278.36 218.43,277.98 218.64,277.62C219.06,276.88 219.52,276.18 220.04,275.51C221.37,273.8 223.01,272.35 224.87,271.25L289.06,233.39C290.42,232.59 291.87,231.96 293.39,231.51C295.53,230.87 297.77,230.6 300,230.72C302.98,230.88 305.88,231.73 308.47,233.2L373.37,269.85C375.54,271.08 377.49,272.68 379.13,274.57C379.68,275.19 380.18,275.85 380.65,276.53C380.86,276.84 381.05,277.15 381.24,277.47L397.79,266.39L420.34,252.93L420.31,252.88C417.55,248.8 413.77,245.35 409.45,242.91Z"
+      android:fillColor="#37BF6E"
+      android:fillType="nonZero"/>
+  <path
+      android:pathData="M381.24,277.47C381.51,277.92 381.77,278.38 382.01,278.84C382.21,279.24 382.39,279.65 382.57,280.06C382.91,280.88 383.19,281.73 383.41,282.59C383.74,283.88 383.92,285.21 383.93,286.57L383.93,361.1C383.96,363.95 383.35,366.77 382.16,369.36C381.93,369.86 381.69,370.35 381.42,370.83C379.75,373.79 377.32,376.27 374.39,378L310.2,415.87C307.47,417.48 304.38,418.39 301.21,418.53L301.22,439.23C301.22,439.23 301.24,449.84 301.27,464.74C306.1,464.61 310.91,463.3 315.21,460.75L410.98,404.25C419.88,399 425.31,389.37 425.22,379.03L425.22,267.85C425.17,262.48 423.34,257.34 420.34,252.93L397.79,266.39L381.24,277.47Z"
+      android:fillColor="#3870B2"
+      android:fillType="nonZero"/>
+  <path
+      android:pathData="M177.75,256.17C179.93,251.62 183.31,247.73 187.92,245L283.68,188.51C292.58,183.26 303.64,183.15 312.64,188.23L409.45,242.91C413.77,245.35 417.55,248.8 420.31,252.88L420.34,252.93L498.59,206.19C494.03,199.46 487.79,193.78 480.67,189.75L320.86,99.49C306.01,91.1 287.75,91.27 273.07,99.95L114.99,193.2C107.39,197.69 101.81,204.11 98.21,211.63L177.74,256.19L177.75,256.17ZM301.27,464.74C301.09,464.74 300.91,464.76 300.73,464.76C295.66,464.8 290.67,463.51 286.26,461.02L184.53,403.56C178.57,400.2 174.85,393.89 174.79,387.05L174.78,270.22C174.73,265.23 175.72,260.43 177.74,256.19L98.21,211.63C94.86,218.63 93.23,226.58 93.31,234.82L93.31,427.67C93.42,438.97 99.54,449.37 109.4,454.92L277.31,549.77C284.6,553.88 292.84,556.01 301.2,555.94L301.2,555.8C301.39,543.78 301.33,495.26 301.27,464.74Z"
+      android:strokeWidth="10"
+      android:fillColor="#00000000"
+      android:strokeColor="#083042"
+      android:fillType="nonZero"/>
+  <path
+      android:pathData="M498.59,206.19L420.34,252.93C423.34,257.34 425.17,262.48 425.22,267.85L425.22,379.03C425.31,389.37 419.88,399 410.98,404.25L315.21,460.75C310.91,463.3 306.1,464.61 301.27,464.74C301.33,495.26 301.39,543.78 301.2,555.8L301.2,555.94C309.48,555.87 317.74,553.68 325.11,549.32L483.18,456.06C497.87,447.39 506.85,431.49 506.69,414.43L506.69,230.91C506.6,222.02 503.57,213.5 498.59,206.19Z"
+      android:strokeWidth="10"
+      android:fillColor="#00000000"
+      android:strokeColor="#083042"
+      android:fillType="nonZero"/>
+  <path
+      android:pathData="M301.2,555.94C292.84,556.01 284.6,553.88 277.31,549.76L109.4,454.92C99.54,449.37 93.42,438.97 93.31,427.67L93.31,234.82C93.23,226.58 94.86,218.63 98.21,211.63C101.81,204.11 107.39,197.69 114.99,193.2L273.07,99.95C287.75,91.27 306.01,91.1 320.86,99.49L480.67,189.75C487.79,193.78 494.03,199.46 498.59,206.19C503.57,213.5 506.6,222.02 506.69,230.91L506.69,414.43C506.85,431.49 497.87,447.39 483.18,456.06L325.11,549.32C317.74,553.68 309.48,555.87 301.2,555.94Z"
+      android:strokeWidth="10"
+      android:fillColor="#00000000"
+      android:strokeColor="#083042"
+      android:fillType="nonZero"/>
+</vector>

gradle-plugins/compose/src/test/test-projects/misc/commonResources/src/commonMain/composeResources/values/strings.xml

@@ -10,4 +10,7 @@
         <item>item 2</item>
         <item>item 3</item>
     </string-array>
+    <string name="PascalCase">PascalCase</string>
+    <string name="1-kebab-case">1-kebab-case</string>
+    <string name="camelCase">camelCase</string>
 </resources>

gradle-plugins/compose/src/test/test-projects/misc/commonResources/src/commonMain/kotlin/App.kt

@@ -18,6 +18,6 @@ fun App() {
             contentDescription = null
         )
         Text(stringResource(Res.string.app_name))
-        val font = FontFamily(Font(Res.font.emptyfont))
+        val font = FontFamily(Font(Res.font.emptyFont))
     }
 }