@farmfe/core/dist/watcher/create-watcher.js

Farm is a extremely fast web build tool written in Rust. Farm can start a project in milliseconds and perform HMR within 10ms, making it much faster than similar tools like webpack and vite.

import path from 'node:path';
import chokidar from 'chokidar';
import glob from 'fast-glob';
function resolveChokidarOptions(config, insideChokidarOptions) {
    const { ignored = [], ...userChokidarOptions } = config.server?.hmr?.watchOptions ?? {};
    let cacheDir = path.resolve(config.root, 'node_modules', '.farm', 'cache');
    if (typeof config.compilation?.persistentCache === 'object' &&
        config.compilation.persistentCache.cacheDir) {
        cacheDir = config.compilation.persistentCache.cacheDir;
        if (!path.isAbsolute(cacheDir)) {
            cacheDir = path.resolve(config.root, cacheDir);
        }
    }
    const options = {
        ignored: [
            '**/.git/**',
            '**/node_modules/**',
            '**/test-results/**',
            glob.escapePath(cacheDir) + '/**',
            glob.escapePath(path.resolve(config.root, config.compilation.output.path)) + '/**',
            ...(Array.isArray(ignored) ? ignored : [ignored])
        ],
        ignoreInitial: true,
        ignorePermissionErrors: true,
        // for windows and macos, we need to wait for the file to be written
        awaitWriteFinish: process.platform === 'linux'
            ? undefined
            : {
                stabilityThreshold: 10,
                pollInterval: 10
            },
        ...userChokidarOptions,
        ...insideChokidarOptions
    };
    return options;
}
export function createWatcher(config, files, chokidarOptions) {
    const options = resolveChokidarOptions(config, chokidarOptions);
    return chokidar.watch(files, options);
}
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