@intlayer/chokidar/dist/esm/utils/buildComponentFilesList.mjs

Scans and builds Intlayer declaration files into dictionaries based on Intlayer configuration.

import { isAbsolute, relative, resolve, sep } from "node:path";
import fg from "fast-glob";
import { normalizePath } from "@intlayer/config/utils";
import { TRAVERSE_PATTERN } from "@intlayer/config/defaultValues";

//#region src/utils/buildComponentFilesList.ts
/**
* Normalizes a pattern value to an array
*/
const normalizeToArray = (value) => Array.isArray(value) ? value : [value];
/**
* Remove directories that are subdirectories of others in the list so files
* are never scanned twice.
* Example: ['/root', '/root/src'] → ['/root']
*/
const getDistinctRootDirs = (dirs) => {
	const uniqueDirs = Array.from(new Set(dirs.map((dir) => resolve(dir))));
	uniqueDirs.sort((a, b) => a.length - b.length);
	return uniqueDirs.reduce((acc, dir) => {
		if (!acc.some((parent) => {
			const rel = relative(parent, dir);
			return !rel.startsWith("..") && !isAbsolute(rel) && rel !== "";
		})) acc.push(dir);
		return acc;
	}, []);
};
/**
* Returns true when the resolved path passes through a `node_modules` segment.
* Works on both POSIX and Windows paths.
*/
const isInsideNodeModules = (dir) => resolve(dir).split(sep).includes("node_modules");
/**
* Default exclude patterns derived from TRAVERSE_PATTERN.
* Extracted once so the function body can reference them without re-computing.
*/
const DEFAULT_EXCLUDE_PATTERNS = TRAVERSE_PATTERN.filter((p) => typeof p === "string" && p.startsWith("!")).map((p) => p.slice(1));
/**
* Builds a deduplicated list of absolute file paths matching the given patterns.
*
* Handles multiple root directories (deduplicates overlapping roots), exclude
* patterns, negation patterns embedded in `traversePattern`, and optional
* dot-file inclusion.
*
* Special case: `codeDir` entries that live inside `node_modules` (e.g. a
* design-system package installed as a workspace dependency) are scanned as
* their own explicit roots. They are NOT collapsed into the project root so
* the `*\/node_modules\/**` exclusion does not silently drop them.
*
* @example
* // Single root with excludes
* const files = buildComponentFilesList(config);
*
* @example
* // Design-system package inside node_modules is still scanned
* // intlayer.config.ts: { content: { codeDir: ['node_modules/my-ds/src'] } }
* const files = buildComponentFilesList(config);
*/
const buildComponentFilesList = (config, excludePattern) => {
	const traversePattern = config.build.traversePattern;
	const compilerTransformPattern = config.compiler.transformPattern;
	const contentDeclarationPattern = config.content.fileExtensions.map((ext) => `/**/*${ext}`);
	const patterns = [...traversePattern, ...normalizeToArray(compilerTransformPattern)].filter((pattern) => typeof pattern === "string").filter((pattern) => !pattern.startsWith("!")).map(normalizePath);
	const userExcludes = traversePattern.filter((pattern) => typeof pattern === "string" && pattern.startsWith("!")).map((pattern) => pattern.slice(1));
	const baseExcludePatterns = Array.from(new Set([
		...DEFAULT_EXCLUDE_PATTERNS,
		...userExcludes,
		...excludePattern ?? [],
		...contentDeclarationPattern
	])).filter((pattern) => typeof pattern === "string").map(normalizePath);
	const resolvedCodeDirs = (config.content.codeDir ?? []).map((dir) => resolve(dir));
	const inNodeModulesCodeDirs = resolvedCodeDirs.filter(isInsideNodeModules);
	const normalCodeDirs = resolvedCodeDirs.filter((dir) => !isInsideNodeModules(dir));
	const normalFiles = getDistinctRootDirs([config.system.baseDir, ...normalCodeDirs]).flatMap((root) => fg.sync(patterns, {
		cwd: root,
		ignore: baseExcludePatterns,
		absolute: true,
		dot: true
	}));
	const nodeModulesExcludePatterns = baseExcludePatterns.filter((pattern) => !pattern.includes("node_modules"));
	const nodeModulesFiles = inNodeModulesCodeDirs.flatMap((dir) => fg.sync(patterns, {
		cwd: dir,
		ignore: nodeModulesExcludePatterns,
		absolute: true,
		dot: false
	}));
	return Array.from(new Set([...normalFiles, ...nodeModulesFiles]));
};

//#endregion
export { buildComponentFilesList };
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