silverbullet/web/hooks/code_widget.ts

60 lines
1.6 KiB
TypeScript

import type { Hook, Manifest } from "../../lib/plugos/types.ts";
import type { System } from "../../lib/plugos/system.ts";
import type { CodeWidgetCallback } from "../../plug-api/types.ts";
import type { CodeWidgetT } from "$lib/manifest.ts";
export class CodeWidgetHook implements Hook<CodeWidgetT> {
codeWidgetCallbacks = new Map<string, CodeWidgetCallback>();
codeWidgetModes = new Map<string, "markdown" | "iframe">();
constructor() {
}
collectAllCodeWidgets(system: System<CodeWidgetT>) {
this.codeWidgetCallbacks.clear();
for (const plug of system.loadedPlugs.values()) {
for (
const [name, functionDef] of Object.entries(
plug.manifest!.functions,
)
) {
if (!functionDef.codeWidget) {
continue;
}
this.codeWidgetModes.set(
functionDef.codeWidget,
functionDef.renderMode || "iframe",
);
this.codeWidgetCallbacks.set(
functionDef.codeWidget,
(bodyText, pageName) => {
return plug.invoke(name, [bodyText, pageName]);
},
);
}
}
}
apply(system: System<CodeWidgetT>): void {
this.collectAllCodeWidgets(system);
system.on({
plugLoaded: () => {
this.collectAllCodeWidgets(system);
},
});
}
validateManifest(manifest: Manifest<CodeWidgetT>): string[] {
const errors = [];
for (const functionDef of Object.values(manifest.functions)) {
if (!functionDef.codeWidget) {
continue;
}
if (typeof functionDef.codeWidget !== "string") {
errors.push(`Codewidgets require a string name.`);
}
}
return errors;
}
}