112 lines
2.7 KiB
TypeScript
112 lines
2.7 KiB
TypeScript
import { Hook, Manifest } from "../../plugos/types";
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import { System } from "../../plugos/system";
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import {
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Completion,
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CompletionContext,
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CompletionResult,
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} from "@codemirror/autocomplete";
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import { slashCommandRegexp } from "../types";
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import { safeRun } from "../util";
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import { Editor } from "../editor";
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export type SlashCommandDef = {
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name: string;
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};
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export type AppSlashCommand = {
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slashCommand: SlashCommandDef;
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run: () => Promise<void>;
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};
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export type SlashCommandHookT = {
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slashCommand?: SlashCommandDef;
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};
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export class SlashCommandHook implements Hook<SlashCommandHookT> {
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slashCommands = new Map<string, AppSlashCommand>();
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private editor: Editor;
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constructor(editor: Editor) {
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this.editor = editor;
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}
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buildAllCommands(system: System<SlashCommandHookT>) {
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this.slashCommands.clear();
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for (let plug of system.loadedPlugs.values()) {
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for (const [name, functionDef] of Object.entries(
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plug.manifest!.functions
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)) {
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if (!functionDef.slashCommand) {
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continue;
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}
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const cmd = functionDef.slashCommand;
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this.slashCommands.set(cmd.name, {
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slashCommand: cmd,
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run: () => {
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return plug.invoke(name, []);
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},
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});
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}
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}
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}
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// Completer for CodeMirror
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public slashCommandCompleter(
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ctx: CompletionContext
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): CompletionResult | null {
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let prefix = ctx.matchBefore(slashCommandRegexp);
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if (!prefix) {
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return null;
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}
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let options: Completion[] = [];
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for (let [name, def] of this.slashCommands.entries()) {
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options.push({
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label: def.slashCommand.name,
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detail: name,
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apply: () => {
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// Delete slash command part
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this.editor.editorView?.dispatch({
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changes: {
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from: prefix!.from,
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to: ctx.pos,
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insert: "",
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},
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});
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// Replace with whatever the completion is
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safeRun(async () => {
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await def.run();
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});
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},
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});
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}
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return {
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// + 1 because of the '/'
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from: prefix.from + 1,
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options: options,
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};
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}
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apply(system: System<SlashCommandHookT>): void {
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this.buildAllCommands(system);
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system.on({
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plugLoaded: () => {
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this.buildAllCommands(system);
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},
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});
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}
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validateManifest(manifest: Manifest<SlashCommandHookT>): string[] {
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let errors = [];
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for (const [name, functionDef] of Object.entries(manifest.functions)) {
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if (!functionDef.slashCommand) {
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continue;
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}
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const cmd = functionDef.slashCommand;
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if (!cmd.name) {
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errors.push(`Function ${name} has a command but no name`);
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}
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}
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return [];
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}
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}
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