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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 | 15x 15x 15x 1x 1x 1x 1x 1x 1x 298x 298x 298x 27x 27x 27x 1x 26x 27x 27x 27x 27x 29x 29x 1x 1x 28x 28x 29x 147x 27x 27x 147x 7x 140x 140x 159x 159x 4x 155x 4x 151x 4x 4x 7x 7x 4x 3x 4x 46x 5x 3x 13x | /**
* File Discovery
* Scans directories for source files using fast-glob
*/
import fg from "fast-glob";
import { extname, resolve } from "node:path";
import EFileType from "./types/EFileType";
import IDiscoveredFile from "./types/IDiscoveredFile";
import IDiscoveryOptions from "./types/IDiscoveryOptions";
import IFileSystem from "../types/IFileSystem";
import NodeFileSystem from "../NodeFileSystem";
/** Default file system instance (singleton for performance) */
const defaultFs = NodeFileSystem.instance;
/**
* Default extensions for each file type
*/
const EXTENSION_MAP: Record<string, EFileType> = {
".cnx": EFileType.CNext,
".cnext": EFileType.CNext,
".h": EFileType.CHeader,
".hpp": EFileType.CppHeader,
".hxx": EFileType.CppHeader,
".hh": EFileType.CppHeader,
".c": EFileType.CSource,
".cpp": EFileType.CppSource,
".cxx": EFileType.CppSource,
".cc": EFileType.CppSource,
};
/**
* Default ignore patterns for fast-glob
* Issue #355: Exclude .pio/build (compiled artifacts) but allow .pio/libdeps (library headers)
*/
const DEFAULT_IGNORE_GLOBS = [
"**/node_modules/**",
"**/.git/**",
"**/.build/**",
"**/.pio/build/**",
];
/**
* Discovers source files in directories
*/
class FileDiscovery {
/**
* Convert RegExp patterns to glob ignore patterns
*/
private static regexToGlob(pattern: RegExp): string {
// Convert common patterns
const src = pattern.source;
Iif (src === "node_modules") return "**/node_modules/**";
Iif (src === String.raw`\.git`) return "**/.git/**";
Iif (src === String.raw`\.build`) return "**/.build/**";
Iif (src === String.raw`\.pio[/\\]build`) return "**/.pio/build/**";
// Fallback: wrap in wildcards
return `**/*${src.replaceAll("\\", "")}*/**`;
}
/**
* Classify a file path into a discovered file
*/
private static classifyFile(filePath: string): IDiscoveredFile {
const ext = extname(filePath).toLowerCase();
const type = EXTENSION_MAP[ext] ?? EFileType.Unknown;
return {
path: filePath,
type,
extension: ext,
};
}
/**
* Discover files in the given directories
*
* Issue #331: Uses fast-glob's unique option to avoid duplicates
* when overlapping directories are provided.
*
* Note: fast-glob accesses the filesystem directly; the fs parameter
* is used only for directory existence checks.
*
* @param directories - Directories to scan
* @param options - Discovery options
* @param fs - File system abstraction (defaults to NodeFileSystem)
*/
static discover(
directories: string[],
options: IDiscoveryOptions = {},
fs: IFileSystem = defaultFs,
): IDiscoveredFile[] {
const recursive = options.recursive ?? true;
const extensions = options.extensions ?? Object.keys(EXTENSION_MAP);
// Build ignore patterns
let ignorePatterns: string[];
if (options.excludePatterns) {
ignorePatterns = options.excludePatterns.map((r) => this.regexToGlob(r));
} else {
ignorePatterns = DEFAULT_IGNORE_GLOBS;
}
// Build glob pattern for extensions
const extPattern =
extensions.length === 1
? `*${extensions[0]}`
: `*{${extensions.join(",")}}`;
const pattern = recursive ? `**/${extPattern}` : extPattern;
const allFiles: IDiscoveredFile[] = [];
for (const dir of directories) {
const resolvedDir = resolve(dir);
if (!fs.exists(resolvedDir)) {
console.warn(`Warning: Directory not found: ${dir}`);
continue;
}
try {
// Use fast-glob to find files
const files = fg.sync(pattern, {
cwd: resolvedDir,
absolute: true,
ignore: ignorePatterns,
deep: recursive ? Infinity : 1,
onlyFiles: true,
followSymbolicLinks: false,
});
for (const file of files) {
allFiles.push(this.classifyFile(file));
}
} catch {
console.warn(`Warning: Cannot read directory: ${dir}`);
}
}
// Issue #331: Remove duplicates from overlapping directories
const seenPaths = new Set<string>();
return allFiles.filter((file) => {
if (seenPaths.has(file.path)) {
return false;
}
seenPaths.add(file.path);
return true;
});
}
/**
* Discover a single file
*
* @param filePath - Path to the file
* @param fs - File system abstraction (defaults to NodeFileSystem)
*/
static discoverFile(
filePath: string,
fs: IFileSystem = defaultFs,
): IDiscoveredFile | null {
const resolvedPath = resolve(filePath);
if (!fs.exists(resolvedPath)) {
return null;
}
if (!fs.isFile(resolvedPath)) {
return null;
}
return this.classifyFile(resolvedPath);
}
/**
* Discover multiple specific files
*
* @param filePaths - Paths to the files
* @param fs - File system abstraction (defaults to NodeFileSystem)
*/
static discoverFiles(
filePaths: string[],
fs: IFileSystem = defaultFs,
): IDiscoveredFile[] {
const files: IDiscoveredFile[] = [];
for (const filePath of filePaths) {
const file = this.discoverFile(filePath, fs);
if (file) {
files.push(file);
} else {
console.warn(`Warning: File not found: ${filePath}`);
}
}
return files;
}
/**
* Filter discovered files by type
*/
static filterByType(
files: IDiscoveredFile[],
type: EFileType,
): IDiscoveredFile[] {
return files.filter((f) => f.type === type);
}
/**
* Get C-Next files from a list
*/
static getCNextFiles(files: IDiscoveredFile[]): IDiscoveredFile[] {
return this.filterByType(files, EFileType.CNext);
}
/**
* Get C/C++ header files from a list
*/
static getHeaderFiles(files: IDiscoveredFile[]): IDiscoveredFile[] {
return files.filter(
(f) => f.type === EFileType.CHeader || f.type === EFileType.CppHeader,
);
}
}
export default FileDiscovery;
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