Intlayer

import { join } from 'node:path'; import fg from 'fast-glob'; /** * Options for building the files list */ export type BuildFilesListOptions = { /** * Glob patterns to match files */ transformPattern: string | string[]; /** * Glob patterns to exclude files */ excludePattern: string | string[]; /** * Base directory for file resolution */ baseDir: string; }; /** * Adds framework-specific patterns to the existing patterns. * If a pattern already includes the framework extension or has a brace expression, * it's kept as-is. Otherwise, the extension is added to any existing brace expression. * * @example * addFrameworkPatterns(['src/**\/*.{ts,tsx}'], 'vue') * // Returns: ['src/**\/*.{ts,tsx,vue}'] * * @example * addFrameworkPatterns(['src/**\/*.vue'], 'vue') * // Returns: ['src/**\/*.vue'] (unchanged, already has .vue) */ const addFrameworkPatterns = ( patterns: string[], frameworkExtension: string ): string[] => { return patterns.map((pattern) => { // If already includes the framework extension, keep as-is if (pattern.includes(`.${frameworkExtension}`)) { return pattern; } // If has brace expression, add the extension to it if (pattern.includes('{')) { return pattern.replace( /\{([^}]+)\}/, (_, exts) => `{${exts},${frameworkExtension}}` ); } // No modification needed for patterns without brace expressions return pattern; }); }; /** * Normalizes a pattern value to an array */ const normalizeToArray = <T>(value: T | T[]): T[] => { return Array.isArray(value) ? value : [value]; }; /** * Builds a list of files matching the given patterns. * * This utility consolidates the file listing logic used across multiple compilers * (Vue, Svelte, Vite) to avoid code duplication. * * @param options - Configuration options for building the file list * @returns Array of absolute file paths matching the patterns * * @example * // Basic usage * const files = buildFilesList({ * transformPattern: 'src/**\/*.{ts,tsx}', * excludePattern: ['**\/node_modules;\/**'], * baseDir: '/path/to/project', * }); * * @example * // With framework extension (Vue) * const files = buildFilesList({ * transformPattern: 'src/**\/*.{ts,tsx}', * excludePattern: ['**\/node_modules\/**'], * baseDir: '/path/to/project', * }); */ export const buildFilesList = (options: BuildFilesListOptions): string[] => { const { transformPattern, excludePattern, baseDir } = options; const patterns = normalizeToArray(transformPattern); const excludePatterns = normalizeToArray(excludePattern); const files = fg .sync(patterns, { cwd: baseDir, ignore: excludePatterns, }) .map((file) => join(baseDir, file)); return files; };