use a YAML Front Matter instead of a separate YAML file

this will prevent forgetting to update the policy metadata since now they are in the same file

8 files changed, 127 insertions, 69 deletions

diff --git a/README.md b/README.md
index c864528..c2a600f 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,43 @@
 # The Mana World Policies
 Contains the legal documents and policies observed by The Mana World.
 
-## Dependencies
-- [Deno](https://deno.land) 1.x (can be installed with `make deno`)
+## Policy files
+Policy files are are located in the [policies](policies) directory.
+Currently, only Markdown is supported for policy files.
+
+### Front Matter
+The Front Matter is a YAML document that defines the properties of the policy.
+
+#### Required properties
+- name: the full name of the policy
+- description: a short summary of the policy
+
+#### Optional properties
+- aliases: an array of path aliases (redirects)
+- ignore: prevents the policy file from being built
+
+### Example
+```md
+---
+name: Policy Name
+description: A short sumary
+aliases: [foo, bar]
+---
+
+# title
+content
+```
+
+<br>
+
+---
 
 ## Generating the static site
+
+### Dependencies
+- GNU Make (pre-installed in most linux distros)
+- [Deno](https://deno.land) 1.x (can be installed with `make deno`)
+
 ```sh
 make build
 ```
diff --git a/policies/constitution.md b/policies/constitution.md
index 373a21d..17beba7 100644
--- a/policies/constitution.md
+++ b/policies/constitution.md
@@ -1,3 +1,9 @@
+---
+name: The Mana World Team (TMWT)
+description: Constitution of The Mana World
+aliases: [TMWC, TMWT]
+---
+
 # The Mana World Team (TMWT)
 
 ## Abstract
diff --git a/policies/forum-rules.md b/policies/forum-rules.md
index 607c6ae..6c692e4 100644
--- a/policies/forum-rules.md
+++ b/policies/forum-rules.md
@@ -1,3 +1,8 @@
+---
+name: Forum Rules
+description: Rules observed on the forums
+---
+
 # Forum Rules
 
 ## Do not use offensive/rude language
diff --git a/policies/game-rules.md b/policies/game-rules.md
index 1da4c01..a36868f 100644
--- a/policies/game-rules.md
+++ b/policies/game-rules.md
@@ -1,3 +1,9 @@
+---
+name: Game Rules
+description: Rules observed in-game
+aliases: [rules]
+---
+
 # Game Rules
 
 ## Do not AFK bot
diff --git a/policies/list.yml b/policies/list.yml
deleted file mode 100644
index 69b6b30..0000000
--- a/policies/list.yml
+++ /dev/null
@@ -1,31 +0,0 @@
-# List of policies
-
-constitution:
-  name: The Mana World Team (TMWT)
-  description: Constitution of The Mana World
-  aliases:
-  - TMWC
-  - TMWT
-
-game-rules:
-  name: Game Rules
-  description: Rules observed in-game
-  aliases:
-  - rules
-
-forum-rules:
-  name: Forum Rules
-  description: Rules observed on the forums
-
-social-convention:
-  name: TMW Social Convention (TSC)
-  description: Guidelines for social interaction
-  aliases:
-  - TSC
-  - ESC
-
-.privacy-policy:
-  name: Privacy Policy
-  description: How we handle your data
-  aliases:
-  - privacy
diff --git a/policies/privacy-policy.md b/policies/privacy-policy.md
index 91b1e04..a7d7364 100644
--- a/policies/privacy-policy.md
+++ b/policies/privacy-policy.md
@@ -1 +1,9 @@
+---
+name: Privacy Policy
+description: How we handle your data
+aliases: [privacy]
+
+ignore: yes # not ready for publication yet
+---
+
 TO-DO
diff --git a/policies/social-convention.md b/policies/social-convention.md
index c1d79f6..3fd5cb9 100644
--- a/policies/social-convention.md
+++ b/policies/social-convention.md
@@ -1,3 +1,9 @@
+---
+name: TMW Social Convention (TSC)
+description: Guidelines for social interaction
+aliases: [TSC, ESC]
+---
+
 # TMW Social Convention (TSC)
 This page lists a minimum set of guidelines for social interaction on The Mana World and other MMOs.
 These guidelines can be used by any MMO game.
diff --git a/src/build.ts b/src/build.ts
index 9328c7d..94022dc 100644
--- a/src/build.ts
+++ b/src/build.ts
@@ -1,20 +1,16 @@
 import { Marked } from "https://deno.land/x/markdown/mod.ts"
 import * as yaml from "https://deno.land/x/js_yaml_port/js-yaml.js"
 
-// the structure of policies/list.yml
-interface policyList {
-	[file: string]: {
-		name: string;
-		description: string;
-		aliases?: string[];
-	};
+// the structure of the front matter
+interface PolicyYFM {
+	name: string
+	description: string;
+	aliases?: string[];
+	ignore?: boolean;
 }
 
 const decoder = new TextDecoder("utf-8");
 const encoder = new TextEncoder();
-const policyFile = "policies/list.yml";
-const rawPolicies = decoder.decode(await Deno.readFile(policyFile));
-const policies: policyList = yaml.load(rawPolicies);
 
 const index = {
 	prefix: `
@@ -44,51 +40,80 @@ console.info(">> Building the static site...");
 // empty the build directory
 await Deno.remove("build", { recursive: true });
 
-// loop through every policy markdown file
-for (const [file, props] of Object.entries(policies)) {
-	if (file.startsWith(".")) {
-		console.log(`Ignoring disabled policy file: ${file}.md`);
+// loop through policy files
+for await (const dirEntry of Deno.readDir("policies")) {
+	const file = dirEntry.name;
+	const rawPolicy = decoder.decode(await Deno.readFile(`policies/${file}`));
+
+	if (!rawPolicy.trimStart().startsWith("---")) {
+		console.log(`Ignoring policy file with no front matter: ${file}`);
+		continue;
+	}
+
+	// find the closing tag
+	const endFrontMatter = rawPolicy.slice(3).indexOf("---");
+
+	if (endFrontMatter === -1) {
+		throw new SyntaxError(`Couldn't find end of front matter in ${file}`);
+	}
+
+	// mark the boundaries
+	const rawYAML = rawPolicy.slice(3, endFrontMatter + 3).trim();
+	const rawBody = rawPolicy.slice(3 + endFrontMatter + 3).trim();
+
+	const [shortName, type] = file.split(".");
+
+	if (type.toLowerCase() !== "md") {
+		console.log(`Unsupported policy file format: ${file}`);
+		continue;
+	}
+
+	// parse the front matter as yaml
+	const YFM: PolicyYFM = yaml.safeLoad(rawYAML, {filename: file});
+
+	if (Reflect.has(YFM, "ignore") || file.startsWith(".")) {
+		console.log(`Ignoring disabled policy file: ${file}`);
 		continue;
 	}
 
 	// add to the index page
-	index.list += `<li><a href="/${file}" title="${props.description}" aria-label="${props.description}">${props.name}</a></li>\n`;
+	index.list += `<li><a href="/${shortName}" title="${YFM.description}" aria-label="${YFM.description}">${YFM.name}</a></li>\n`;
 
 	// add to the netlify redirect file
-	redirects += `/${file} /${file}/index.html 200!\n`;
-
+	redirects += `/${shortName} /${shortName}/index.html 200!\n`;
+	
 	// built-in aliases
-	if (file != file.replace("-", "_")) {
-		redirects += `/${file.replace("-", "_")} /${file} 302\n`;
-	} if (file != file.replace("-", "")) {
-		redirects += `/${file.replace("-", "")} /${file} 302\n`;
+	if (shortName != shortName.replace("-", "_")) {
+		redirects += `/${shortName.replace("-", "_")} /${shortName} 302\n`;
+	} if (shortName != shortName.replace("-", "")) {
+		redirects += `/${shortName.replace("-", "")} /${shortName} 302\n`;
 	}
-
+	
 	// process path aliases
-	if (Reflect.has(props, "aliases")) {
-		for (const alias of props.aliases as string[]) {
-			redirects += `/${alias} /${file} 302\n`;
+	if (Reflect.has(YFM, "aliases")) {
+		for (const alias of YFM.aliases as string[]) {
+			redirects += `/${alias} /${shortName} 302\n`;
 
 			if (alias != alias.toLowerCase()) {
-				redirects += `/${alias.toLocaleLowerCase()} /${file} 302\n`;
+				redirects += `/${alias.toLocaleLowerCase()} /${shortName} 302\n`;
 			}
 		}
 	}
 
 	// convert from markdown to html
-	const markdown = decoder.decode(await Deno.readFile(`policies/${file}.md`));
-	const html: string = Marked.parse(markdown);
-	// wrap the generated html with our template
+	const html: string = Marked.parse(rawBody);
+
+	// wrap the generated html inside our template
 	const policyPage = encoder.encode(`
 <!doctype html>
 <html>
 <head>
 	<meta charset="utf-8">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
-	<title>The Mana World – ${props.name}</title>
-	<meta name="description" content="${props.description}">
+	<title>The Mana World – ${YFM.name}</title>
+	<meta name="description" content="${YFM.description}">
 	<link rel="stylesheet" href="../style.css">
-	<link rel="canonical" href="https://policies.themanaworld.org/${file}">
+	<link rel="canonical" href="https://policies.themanaworld.org/${shortName}">
 </head>
 <body>
 <article>
@@ -100,10 +125,10 @@ ${html}
 `.trim());
 
 	// create a subdirectory for it
-	await Deno.mkdir(`build/${file}`, {recursive: true});
-    await Deno.writeFile(`build/${file}/index.html`, policyPage, {create: true});
-    await Deno.mkdir(`build/${file}/raw`, {recursive: true});
-    await Deno.writeFile(`build/${file}/raw/index.html`, encoder.encode(html), {create: true});
+	await Deno.mkdir(`build/${shortName}`, {recursive: true});
+	await Deno.writeFile(`build/${shortName}/index.html`, policyPage, {create: true});
+	await Deno.mkdir(`build/${shortName}/raw`, {recursive: true});
+	await Deno.writeFile(`build/${shortName}/raw/index.html`, encoder.encode(html), {create: true});
 }
 
 // write the index page