@aituber-onair/core/dist/core/ToolExecutor.js

Core library for AITuber OnAir providing voice synthesis and chat processing

export class ToolExecutor {
    constructor() {
        this.registry = new Map();
    }
    register(definition, fn) {
        if (this.registry.has(definition.name)) {
            throw new Error(`Tool '${definition.name}' already registered`);
        }
        this.registry.set(definition.name, { def: definition, fn });
    }
    async run(blocks) {
        const tasks = blocks
            .filter((b) => b.type === 'tool_use')
            .map(async (b) => {
            const entry = this.registry.get(b.name);
            if (!entry) {
                throw new Error(`Unhandled tool: ${b.name}`);
            }
            const { fn, def } = entry;
            const resPromise = fn(b.input);
            const result = def.config?.timeoutMs
                ? await Promise.race([
                    resPromise,
                    new Promise((_, rej) => setTimeout(() => rej(new Error(`${b.name} timed out`)), def.config.timeoutMs)),
                ])
                : await resPromise;
            return {
                type: 'tool_result',
                tool_use_id: b.id,
                content: typeof result === 'string' ? result : JSON.stringify(result),
            };
        });
        return Promise.all(tasks);
    }
    listDefinitions() {
        return Array.from(this.registry.values()).map((r) => r.def);
    }
}
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