feat: allow preparsers to access the run mode (dev,export,build) (#1337)

slidevjs · Feb 27, 2024 · f5d80d8 · f5d80d8
1 parent 4b2f4b4
commit f5d80d8
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Showing 4 changed files with 7 additions and 7 deletions.
diff --git a/packages/parser/src/fs.ts b/packages/parser/src/fs.ts
@@ -19,7 +19,7 @@ export function injectPreparserExtensionLoader(fn: PreparserExtensionLoader) {
  */
 export type LoadedSlidevData = Omit<SlidevData, 'config' | 'themeMeta'>
 
-export async function load(userRoot: string, filepath: string, content?: string): Promise<LoadedSlidevData> {
+export async function load(userRoot: string, filepath: string, content?: string, mode?: string): Promise<LoadedSlidevData> {
   const markdown = content ?? await fs.readFile(filepath, 'utf-8')
 
   let extensions: SlidevPreparserExtension[] | undefined
@@ -36,7 +36,7 @@ export async function load(userRoot: string, filepath: string, content?: string)
       hm = lines.slice(1, hEnd).join('\n')
     }
     const o = YAML.load(hm) as Record<string, unknown> ?? {}
-    extensions = await preparserExtensionLoader(o, filepath)
+    extensions = await preparserExtensionLoader(o, filepath, mode)
   }
 
   const markdownFiles: Record<string, SlidevMarkdown> = {}

diff --git a/packages/slidev/node/cli.ts b/packages/slidev/node/cli.ts
@@ -38,7 +38,7 @@ const CONFIG_RESTART_FIELDS: (keyof SlidevConfig)[] = [
   'theme',
 ]
 
-injectPreparserExtensionLoader(async (headmatter?: Record<string, unknown>, filepath?: string) => {
+injectPreparserExtensionLoader(async (headmatter?: Record<string, unknown>, filepath?: string, mode?: string) => {
   const addons = headmatter?.addons as string[] ?? []
   const { clientRoot, userRoot } = await getRoots()
   const roots = uniq([
@@ -47,7 +47,7 @@ injectPreparserExtensionLoader(async (headmatter?: Record<string, unknown>, file
     ...await resolveAddons(addons),
   ])
   const mergeArrays = (a: SlidevPreparserExtension[], b: SlidevPreparserExtension[]) => a.concat(b)
-  return await loadSetups(clientRoot, roots, 'preparser.ts', { filepath, headmatter }, [], mergeArrays)
+  return await loadSetups(clientRoot, roots, 'preparser.ts', { filepath, headmatter, mode }, [], mergeArrays)
 })
 
 const cli = yargs(process.argv.slice(2))
@@ -144,7 +144,7 @@ cli.command(
         {
           async loadData() {
             const { data: oldData, entry } = options
-            const loaded = await parser.load(options.userRoot, entry)
+            const loaded = await parser.load(options.userRoot, entry, undefined, 'dev')
 
             const themeRaw = theme || loaded.headmatter.theme as string || 'default'
             if (options.themeRaw !== themeRaw) {

diff --git a/packages/slidev/node/options.ts b/packages/slidev/node/options.ts
@@ -82,7 +82,7 @@ export async function resolveOptions(
 ): Promise<ResolvedSlidevOptions> {
   const rootsInfo = await getRoots()
   const entry = await resolveEntry(options.entry || 'slides.md', rootsInfo)
-  const loaded = await parser.load(rootsInfo.userRoot, entry)
+  const loaded = await parser.load(rootsInfo.userRoot, entry, undefined, mode)
 
   // Load theme data first, because it may affect the config
   const themeRaw = options.theme || loaded.headmatter.theme as string || 'default'

diff --git a/packages/types/src/types.ts b/packages/types/src/types.ts
@@ -92,7 +92,7 @@ export interface SlidevPreparserExtension {
   transformSlide?: (content: string, frontmatter: any) => Promise<string | undefined>
 }
 
-export type PreparserExtensionLoader = (headmatter?: Record<string, unknown>, filepath?: string) => Promise<SlidevPreparserExtension[]>
+export type PreparserExtensionLoader = (headmatter?: Record<string, unknown>, filepath?: string, mode?: string) => Promise<SlidevPreparserExtension[]>
 
 export type RenderContext = 'none' | 'slide' | 'overview' | 'presenter' | 'previewNext'