156 lines
3.8 KiB
TypeScript
156 lines
3.8 KiB
TypeScript
import fs from "node:fs";
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import { parse as parseYaml } from "yaml";
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import { getEnv } from "./env.js";
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import { logger } from "./logger.js";
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export interface Replacement {
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find: string;
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replace: string;
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}
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export interface Config {
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server: {
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port: number;
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};
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deepgram: {
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model: string;
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language: string;
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diarize: boolean;
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interimResults: boolean;
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endpointing: number | false;
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utteranceEndMs: number;
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smartFormat: boolean;
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punctuate: boolean;
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keyterms: string[];
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replacements: Replacement[];
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};
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keepAlive: {
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intervalMs: number;
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idleThresholdMs: number;
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};
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taskExtraction: {
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model: string;
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intervalMs: number;
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llmMaxRetries: number;
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maxConsecutiveFailures: number;
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maxBackoffMs: number;
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};
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reconnect: {
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maxAttempts: number;
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maxBufferBytes: number;
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};
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output: {
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dir: string;
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};
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participants: string[];
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}
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// --- config.yaml 読み込み ---
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const CONFIG_YAML_PATH = "config.yaml";
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interface MeetingConfig {
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participants: string[];
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keyterms: string[];
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replacements: Replacement[];
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}
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const DEFAULT_MEETING_CONFIG: MeetingConfig = {
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participants: [],
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keyterms: [],
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replacements: [],
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};
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function filterStrings(value: unknown): string[] {
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return Array.isArray(value)
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? value.filter((v): v is string => typeof v === "string")
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: [];
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}
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function isReplacement(v: unknown): v is Replacement {
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if (typeof v !== "object" || v === null) return false;
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const r = v as Record<string, unknown>;
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return typeof r.find === "string" && typeof r.replace === "string";
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}
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function loadMeetingConfig(): MeetingConfig {
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if (!fs.existsSync(CONFIG_YAML_PATH)) {
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logger.info("config.yaml が見つかりません。デフォルト設定で起動します");
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return DEFAULT_MEETING_CONFIG;
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}
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try {
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const raw = fs.readFileSync(CONFIG_YAML_PATH, "utf-8");
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const parsed = parseYaml(raw) as Record<string, unknown>;
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const config: MeetingConfig = {
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participants: filterStrings(parsed.participants),
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keyterms: filterStrings(parsed.keyterms),
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replacements: Array.isArray(parsed.replacements)
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? parsed.replacements.filter(isReplacement)
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: [],
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};
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logger.info(
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`config.yaml: 参加者 ${config.participants.length} 名, キーターム ${config.keyterms.length} 件, 置換ルール ${config.replacements.length} 件`,
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);
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return config;
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} catch (e) {
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logger.warn(
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"config.yaml の読み込みに失敗しました。デフォルト設定で起動します",
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e,
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);
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return DEFAULT_MEETING_CONFIG;
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}
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}
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// プロセスライフタイムで1回だけ初期化される設定値（録音セッション状態とは無関係）
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let _config: Config | null = null;
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export function getConfig(): Config {
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if (!_config) {
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const env = getEnv();
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const meeting = loadMeetingConfig();
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_config = {
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server: {
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port: env.PORT,
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},
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deepgram: {
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model: "nova-3",
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language: "ja",
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diarize: false,
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interimResults: true,
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endpointing: 500,
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utteranceEndMs: 1000,
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smartFormat: true,
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punctuate: true,
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keyterms: [
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...new Set([...meeting.participants, ...meeting.keyterms]),
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],
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replacements: meeting.replacements,
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},
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keepAlive: {
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intervalMs: 3_000,
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idleThresholdMs: 5_000,
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},
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taskExtraction: {
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model: "gemini-3-flash-preview",
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intervalMs: 30_000,
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llmMaxRetries: 0,
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maxConsecutiveFailures: 3,
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maxBackoffMs: 180_000,
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},
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reconnect: {
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maxAttempts: 3,
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maxBufferBytes: 2 * 1024 * 1024,
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},
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output: {
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dir: "output",
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},
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participants: meeting.participants,
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};
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}
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return _config;
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}
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