init

outputStyles/loadOutputStylesDir.ts

@@ -0,0 +1,98 @@
+import memoize from 'lodash-es/memoize.js'
+import { basename } from 'path'
+import type { OutputStyleConfig } from '../constants/outputStyles.js'
+import { logForDebugging } from '../utils/debug.js'
+import { coerceDescriptionToString } from '../utils/frontmatterParser.js'
+import { logError } from '../utils/log.js'
+import {
+  extractDescriptionFromMarkdown,
+  loadMarkdownFilesForSubdir,
+} from '../utils/markdownConfigLoader.js'
+import { clearPluginOutputStyleCache } from '../utils/plugins/loadPluginOutputStyles.js'
+
+/**
+ * Loads markdown files from .claude/output-styles directories throughout the project
+ * and from ~/.claude/output-styles directory and converts them to output styles.
+ *
+ * Each filename becomes a style name, and the file content becomes the style prompt.
+ * The frontmatter provides name and description.
+ *
+ * Structure:
+ * - Project .claude/output-styles/*.md -> project styles
+ * - User ~/.claude/output-styles/*.md -> user styles (overridden by project styles)
+ *
+ * @param cwd Current working directory for project directory traversal
+ */
+export const getOutputStyleDirStyles = memoize(
+  async (cwd: string): Promise<OutputStyleConfig[]> => {
+    try {
+      const markdownFiles = await loadMarkdownFilesForSubdir(
+        'output-styles',
+        cwd,
+      )
+
+      const styles = markdownFiles
+        .map(({ filePath, frontmatter, content, source }) => {
+          try {
+            const fileName = basename(filePath)
+            const styleName = fileName.replace(/\.md$/, '')
+
+            // Get style configuration from frontmatter
+            const name = (frontmatter['name'] || styleName) as string
+            const description =
+              coerceDescriptionToString(
+                frontmatter['description'],
+                styleName,
+              ) ??
+              extractDescriptionFromMarkdown(
+                content,
+                `Custom ${styleName} output style`,
+              )
+
+            // Parse keep-coding-instructions flag (supports both boolean and string values)
+            const keepCodingInstructionsRaw =
+              frontmatter['keep-coding-instructions']
+            const keepCodingInstructions =
+              keepCodingInstructionsRaw === true ||
+              keepCodingInstructionsRaw === 'true'
+                ? true
+                : keepCodingInstructionsRaw === false ||
+                    keepCodingInstructionsRaw === 'false'
+                  ? false
+                  : undefined
+
+            // Warn if force-for-plugin is set on non-plugin output style
+            if (frontmatter['force-for-plugin'] !== undefined) {
+              logForDebugging(
+                `Output style "${name}" has force-for-plugin set, but this option only applies to plugin output styles. Ignoring.`,
+                { level: 'warn' },
+              )
+            }
+
+            return {
+              name,
+              description,
+              prompt: content.trim(),
+              source,
+              keepCodingInstructions,
+            }
+          } catch (error) {
+            logError(error)
+            return null
+          }
+        })
+        .filter(style => style !== null)
+
+      return styles
+    } catch (error) {
+      logError(error)
+      return []
+    }
+  },
+)
+
+export function clearOutputStyleCaches(): void {
+  getOutputStyleDirStyles.cache?.clear?.()
+  loadMarkdownFilesForSubdir.cache?.clear?.()
+  clearPluginOutputStyleCache()
+}