diff --git a/scripts/watcher/bin/watcher.ts b/scripts/watcher/bin/watcher.ts index 32209c064..a3a50e6c3 100644 --- a/scripts/watcher/bin/watcher.ts +++ b/scripts/watcher/bin/watcher.ts @@ -4,16 +4,24 @@ import program from "commander"; import path from "path"; import watch from "../"; +function list(val: string) { + return val.split(","); +} + program .version("0.1.0") .usage("") + .option("-o, --only ", "only run the specified watcher", list) .arguments("") .description("Run watchers defined in ") - .action(configFile => { + .action((configFile, cmd) => { + const { only = [] } = cmd; + let config: any = require(path.resolve(configFile)); if (config.__esModule) { config = config.default; } - watch(config); + + watch(config, { only }); }) .parse(process.argv); diff --git a/scripts/watcher/types.ts b/scripts/watcher/types.ts index f78daee24..15bd6090b 100644 --- a/scripts/watcher/types.ts +++ b/scripts/watcher/types.ts @@ -17,6 +17,10 @@ export interface Executor { execute(filePath: string): void; } +export interface Options { + only?: string[]; +} + export interface Config { rootDir?: string; backend?: Watcher; diff --git a/scripts/watcher/watch.ts b/scripts/watcher/watch.ts index 572f7107b..8a3feac75 100644 --- a/scripts/watcher/watch.ts +++ b/scripts/watcher/watch.ts @@ -2,7 +2,7 @@ import Joi from "joi"; import path from "path"; import ChokidarWatcher from "./ChokidarWatcher"; -import { Config, configSchema, WatchConfig, Watcher } from "./types"; +import { Config, configSchema, Options, WatchConfig, Watcher } from "./types"; // Polyfill the asyncIterator symbol. if (Symbol.asyncIterator === undefined) { @@ -43,9 +43,22 @@ function setupCleanup(config: Config) { ); } -export default async function watch(config: Config) { +function filterOnly(config: Config, only: string[]) { + for (const key of Object.keys(config.watchers)) { + if (only.indexOf(key) === -1) { + // tslint:disable-next-line:no-console + console.log(`Disabled watcher "${key}"`); + delete config.watchers[key]; + } + } +} + +export default async function watch(config: Config, options?: Options) { Joi.assert(config, configSchema); const watcher = config.backend || new ChokidarWatcher(); + if (options && options.only && options.only.length > 0) { + filterOnly(config, options.only); + } setupCleanup(config); for (const key of Object.keys(config.watchers)) { // tslint:disable-next-line:no-console