src/vs/platform/agentHost/node/agentHostSkillCompletionProvider.ts
122 LOC · 120 covered · 2 uncovered · 30 ranges · 943 concepts · 13 introducers · 502 tests
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/*---------------------------------------------------------------------------------------------
agentHostSkillCompletionProvider.ts ×6
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { CancellationToken } from '../../../base/common/cancellation.js';
import { Disposable } from '../../../base/common/lifecycle.js';
import { URI } from '../../../base/common/uri.js';
import { SYNCED_CUSTOMIZATION_SCHEME } from '../common/agentHostFileSystemService.js';
import type { IAgent } from '../common/agentService.js';
import { CompletionItem, CompletionItemKind, CompletionsParams } from '../common/state/protocol/commands.js';
import { MessageAttachmentKind } from '../common/state/protocol/state.js';
import { toSkillCompletionAttachmentMeta } from '../common/meta/agentCompletionAttachmentMeta.js';
import { CustomizationType, DirectoryCustomization, PluginCustomization, SkillCustomization } from '../common/state/sessionState.js';
import { CompletionTriggerCharacter, IAgentHostCompletionItemProvider } from './agentHostCompletions.js';
import { extractWhitespaceDelimitedSlashToken, matchesSlashCompletion } from './agentHostSlashCompletion.js';
/**
* Generic completion provider that contributes slash completions for skills
* exposed through an agent's global and session-effective customizations.
*/
export class AgentHostSkillCompletionProvider extends Disposable implements IAgentHostCompletionItemProvider {
readonly kinds: ReadonlySet<CompletionItemKind> = new Set([CompletionItemKind.UserMessage]);
readonly triggerCharacters = [CompletionTriggerCharacter.Slash] as const;
constructor(
private readonly _getAgent: (session: URI | string) => IAgent | undefined,
agentHostSkillCompletionProvider.ts ×1
) {
super();
}
async provideCompletionItems(params: CompletionsParams, token: CancellationToken): Promise<readonly CompletionItem[]> {
const leading = extractWhitespaceDelimitedSlashToken(params.text, params.offset);
agentHostSkillCompletionProvider.ts ×4
if (!leading) {
}
const sessionUri = typeof params.channel === 'string' ? URI.parse(params.channel) : params.channel;
agentHostSkillCompletionProvider.ts ×4
const agent = this._getAgent(sessionUri);
if (!agent) {
return [];
}
const candidates = await this._getCandidates(agent, sessionUri);
agentHostSkillCompletionProvider.ts ×4
if (token.isCancellationRequested || candidates.length === 0) {
agentHostSkillCompletionProvider.ts ×4
}
// `/abc` → typed = 'abc'; empty after just '/' → typed = ''.
const typed = leading.typed;
const skillsSeen = new Set<string>();
return candidates
.filter(skill => {
const uri = skill.uri;
if (matchesSlashCompletion(typed, skill.slashCommandName) && !skillsSeen.has(uri)) {
skillsSeen.add(uri);
return true;
}
.map(skill => ({
insertText: '/' + skill.slashCommandName + ' ',
rangeStart: leading.rangeStart,
rangeEnd: leading.rangeEnd,
attachment: {
type: MessageAttachmentKind.Simple,
label: '/' + skill.slashCommandName,
_meta: toSkillCompletionAttachmentMeta({
uri: skill.uri,
name: skill.name,
displayName: skill.slashCommandName,
description: skill.description,
}),
},
}));
private async _getCandidates(agent: IAgent, session: URI): Promise<readonly SlashCommmandCandidate[]> {
}
const customizations = await agent.getSessionCustomizations(session);
agentHostSkillCompletionProvider.ts ×2
const result: SlashCommmandCandidate[] = [];
for (const c of customizations) {
if (c.type === CustomizationType.McpServer || !c.enabled || !c.children) {
agentHostSkillCompletionProvider.ts ×6
}
if (child.type === CustomizationType.Skill) {
result.push(this._toSlashCommandCandidate(c, child));
}
}
}
private _toSlashCommandCandidate(container: PluginCustomization | DirectoryCustomization, skill: SkillCustomization): SlashCommmandCandidate {
let slashCommandName = skill.name;
if (container.type === CustomizationType.Plugin && !isSyncedCustomization(container) && skill.name !== container.name) {
}
slashCommandName: slashCommandName,
name: skill.name,
description: skill.description,
uri: skill.uri,
};
}
function isSyncedCustomization(container: PluginCustomization): boolean {
agentHostSkillCompletionProvider.ts ×1
return container.uri.startsWith(SYNCED_CUSTOMIZATION_SCHEME + ':');
}
interface SlashCommmandCandidate {
readonly slashCommandName: string;
readonly name: string;
readonly description: string | undefined;
readonly uri: string;
}