Add basic support for markdown sources

biome.json

@@ -8,14 +8,8 @@
   "files": {
     "ignoreUnknown": false,
     "ignore": [
-      "dist",
-      ".next",
-      "public",
       "*.d.ts",
-      "*.json",
+      "*.json"
-      "build",
-      "*.svelte",
-      ".svelte-kit"
     ]
   },
   "formatter": {
@@ -39,10 +33,5 @@
     "formatter": {
       "quoteStyle": "double"
     }
-  },
-  "css": {
-    "parser": {
-      "cssModules": true
-    }
   }
 }

package.json

@@ -18,6 +18,7 @@
   "scripts": {
     "fmt": "bunx --bun biome check --fix",
     "build": "bun build ./src/index.ts --outfile muse --compile",
-    "demo": "bun run ./src/index.ts -- ./playbill/binding.yaml"
+    "demo": "bun run ./src/index.ts -- ./playbill/binding.yaml",
+    "build:install": "bun run build && mv muse ~/.local/bin/muse"
   }
 }

playbill/binding.yaml

@@ -5,3 +5,4 @@ author: "Endeavorance <hello@endeavorance.camp>"
 version: 0.0.1
 files:
   - ./spires/**/*.yaml
+  - ./spires/**/*.md

playbill/spires/lore/ancients.md

@@ -0,0 +1,7 @@
+---
+$define: lore
+id: ancients
+name: Ancients
+---
+
+Ancients are things and such, so, yknow.

src/binding.ts

@@ -9,7 +9,7 @@ const BindingSchema = z.object({
   name: z.string().default("Unnamed playbill"),
   author: z.string().optional(),
   version: z.string(),
-  files: z.array(z.string()).default(["**/*.yaml"]),
+  files: z.array(z.string()).default(["**/*.yaml", "**/*.md"]),
 });
 
 type Binding = z.infer<typeof BindingSchema>;

src/index.ts

@@ -10,7 +10,7 @@ import {
 import { loadResourceFile } from "./resource";
 import { usage } from "./usage";
 
-class CLIError extends Error { }
+class CLIError extends Error {}
 
 async function main(): Promise<boolean> {
   // Parse command line arguments
@@ -67,7 +67,7 @@ async function main(): Promise<boolean> {
    * Log a message if the vervose flag has been set
    * @param msg - The message to log
    */
-  function v(msg: string) {
+  function verboseLog(msg: string) {
     if (VERBOSE) {
       console.log(chalk.dim(msg));
     }
@@ -75,7 +75,7 @@ async function main(): Promise<boolean> {
 
   const bindingPath = args[0] ?? "./binding.yaml";
 
-  v(`Building Playbill with binding: ${bindingPath}`);
+  verboseLog(`Building Playbill with binding: ${bindingPath}`);
 
   // Check if the binding file exists
   const bindingFileCheck = Bun.file(bindingPath);
@@ -87,21 +87,23 @@ async function main(): Promise<boolean> {
 
   const binding = await loadBindingFile(bindingPath);
 
-  v(`↳ Binding loaded with ${binding.files.length} associated resources`);
+  verboseLog(
+    `↳ Binding loaded with ${binding.files.length} associated resources`,
+  );
 
   const loadedResources: AnyResource[] = [];
 
-  v("Loading resources");
+  verboseLog("Loading resources");
 
   // Load resources listed in the binding file
   for (const filepath of binding.files) {
-    v(`↳ Loading ${filepath}`);
+    verboseLog(`↳ Loading ${filepath}`);
     const loaded = await loadResourceFile(filepath);
-    v(`  ↳ Loaded ${loaded.length} resources`);
+    verboseLog(`  ↳ Loaded ${loaded.length} resources`);
     loadedResources.push(...loaded);
   }
 
-  v("Constructing playbill");
+  verboseLog("Constructing playbill");
 
   // Consjtruct the playbill object
   const playbill = getEmptyPlaybill();
@@ -143,7 +145,7 @@ async function main(): Promise<boolean> {
   }
 
   // Evaluate directives in descriptions for all resources
-  v("Processing descriptions");
+  verboseLog("Processing descriptions");
   for (const resource of loadedResources) {
     try {
       resource.description = await processLang(resource.description, playbill);
@@ -161,7 +163,7 @@ async function main(): Promise<boolean> {
   }
 
   // Validate the playbill object
-  v("Validating playbill");
+  verboseLog("Validating playbill");
   const validatedPlaybill = ValidatedPlaybillSchema.safeParse(playbill);
 
   if (!validatedPlaybill.success) {
@@ -170,7 +172,7 @@ async function main(): Promise<boolean> {
     return false;
   }
 
-  v("Playbill validated");
+  verboseLog("Playbill validated");
 
   // If --check is set, exit here
   if (options.check) {

src/markdown.ts

@@ -0,0 +1,50 @@
+import YAML from "yaml";
+
+const FRONTMATTER_REGEX = /^---[\s\S]*?---/gm;
+
+/**
+ * Attempt to parse YAML frontmatter from a mixed yaml/md doc
+ * @param content The raw markdown content
+ * @returns Any successfully parsed frontmatter
+ */
+export function extractFrontmatter(content: string) {
+  // If it does not start with `---`, it is invalid for frontmatter
+  if (content.trim().indexOf("---") !== 0) {
+    return {};
+  }
+
+  if (FRONTMATTER_REGEX.test(content)) {
+    const frontmatterString = content.match(FRONTMATTER_REGEX)?.[0] ?? "";
+    const cleanFrontmatter = frontmatterString.replaceAll("---", "").trim();
+    return YAML.parse(cleanFrontmatter);
+  }
+
+  return {};
+}
+
+export function extractMarkdown(content: string): string {
+  if (content.trim().indexOf("---") !== 0) {
+    return content;
+  }
+  return content.replace(FRONTMATTER_REGEX, "").trim();
+}
+
+/**
+ * Combine yaml frontmatter and markdown into a single string
+ * @param markdown The markdown to combine with frontmatter
+ * @param frontmatter The frontmatter shape to combine with markdown
+ * @returns A combined document with yaml frontmatter and markdown below
+ */
+export function combineMarkdownAndFrontmatter(
+  markdown: string,
+  frontmatter: unknown,
+) {
+  const frontmatterToWrite: unknown = structuredClone(frontmatter);
+
+  return `---
+${YAML.stringify(frontmatterToWrite)}
+---
+
+${markdown.trim()}
+`;
+}

src/playbill-schema.ts

@@ -108,6 +108,7 @@ export const AbilitySchema = PlaybillResourceSchema.extend({
   roll: RollTypeSchema.or(TalentSchema).default("none"),
   banes: z.array(z.string()).default([]),
   boons: z.array(z.string()).default([]),
+  effects: AbilityEffectSchema.default({}),
 });
 
 export type PlaybillAbility = z.infer<typeof AbilitySchema>;

src/resource.ts

@@ -4,9 +4,11 @@ import {
   AnyResourceSchema,
   ResourceMap,
 } from "./playbill-schema";
+import { extractFrontmatter, extractMarkdown } from "./markdown";
 
-export class ResourceFileError extends Error { }
+type FileFormat = "yaml" | "markdown";
-export class NullResourceError extends Error { }
+export class ResourceFileError extends Error {}
+export class NullResourceError extends Error {}
 
 /**
  * Load and process all documents in a yaml file at the given path
@@ -20,8 +22,11 @@ export async function loadResourceFile(
   filePath: string,
 ): Promise<AnyResource[]> {
   const file = Bun.file(filePath);
+  const format: FileFormat =
+    filePath.split(".").pop() === "md" ? "markdown" : "yaml";
   const text = await file.text();
 
+  if (format === "yaml") {
     const parsedDocs = YAML.parseAllDocuments(text);
 
     if (parsedDocs.some((doc) => doc.toJS() === null)) {
@@ -50,4 +55,16 @@ export async function loadResourceFile(
     }
 
     return collection;
+  }
+
+  const frontmatter = extractFrontmatter(text);
+  const markdown = extractMarkdown(text);
+
+  const together = {
+    ...frontmatter,
+    description: markdown,
+  };
+
+  const parsed = AnyResourceSchema.parse(together);
+  return [parsed];
 }