Add inline manifest documentation (#503)

common/manifest.ts

@@ -8,6 +8,13 @@ import { CodeWidgetT } from "../web/hooks/code_widget.ts";
 import { MQHookT } from "../plugos/hooks/mq.ts";
 import { EndpointHookT } from "../plugos/hooks/endpoint.ts";
 
+/** Silverbullet hooks give plugs access to silverbullet core systems. 
+ * 
+ * Hooks are associated with typescript functions through a manifest file.
+ * On various triggers (user enters a slash command, an HTTP endpoint is hit, user clicks, etc) the typescript function is called.
+ * 
+ * related: plugos/type.ts#FunctionDef
+*/
 export type SilverBulletHooks =
   & CommandHookT
   & SlashCommandHookT
@@ -18,15 +25,40 @@ export type SilverBulletHooks =
   & EndpointHookT
   & PlugNamespaceHookT;
 
+/** Syntax extension allow plugs to declaratively add new *inline* parse tree nodes to the markdown parser. */
 export type SyntaxExtensions = {
+  /** A map of node **name** (also called "type"), to parsing and highlighting instructions. Each entry defines a new node. By convention node names (types) are UpperCamelCase (PascalCase).
+   * 
+   * see: plug-api/lib/tree.ts#ParseTree
+   */
   syntax?: { [key: string]: NodeDef };
 };
 
+/** Parsing and highlighting instructions for SyntaxExtension */
 export type NodeDef = {
+  /** An array of possible first characters to begin matching on.
+   * 
+   * **Example**: If this node has the regex '[abc][123]', NodeDef.firstCharacters should be ["a", "b", "c"].
+  */
   firstCharacters: string[];
+
+  /** A regular expression that matches the *entire* syntax, including the first character. */
   regex: string;
+
+  /** CSS styles to apply to the matched text.
+   * 
+   * Key-value pair of CSS key to value:
+   * 
+   * **Example**: `backgroundColor: "rgba(22,22,22,0.07)"`
+   */
   styles: { [key: string]: string };
+
+  /** CSS class name to apply to the matched text */
   className?: string;
 };
 
+/** A plug manifest configures hooks, declares syntax extensions, and describes plug metadata.
+ *
+ * Typically the manifest file is in a plug's root directory, named `${plugName}.plug.yaml`.
+ */
 export type Manifest = plugos.Manifest<SilverBulletHooks> & SyntaxExtensions;