76 lines
11 KiB
JavaScript
76 lines
11 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.createIgnoreMatcher = createIgnoreMatcher;
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// eslint-disable-next-line @typescript-eslint/no-require-imports
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const picomatch = require("picomatch");
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/**
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* Normalizes a pattern to ensure it matches files within directories.
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* If a pattern doesn't contain glob characters, it's treated as a directory
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* and `/**` is appended to match all files within it.
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*
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* @param pattern - The pattern to normalize
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* @returns The normalized pattern
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*/
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function normalizePattern(pattern) {
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// If pattern already contains glob characters, use as-is
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if (pattern.includes('*') || pattern.includes('?') || pattern.includes('[')) {
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return pattern;
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}
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// Otherwise, treat as a directory and match all files within
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// Remove trailing slash if present, then append /**
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const normalized = pattern.replace(/\/+$/, '');
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return `${normalized}/**`;
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}
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/**
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* Creates a function that returns true if a file should be ignored.
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* A file is ignored if:
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* - It matches any exclude pattern, OR
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* - It does NOT match any include pattern
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*
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* This replicates the behavior of chokidar v3's glob pattern support.
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*
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* @param options - The include and exclude patterns
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* @returns A function that takes a file path and returns true if it should be ignored
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*/
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function createIgnoreMatcher(options) {
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const includePatterns = options.include && options.include.length > 0
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? options.include.map(normalizePattern)
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: ['**'];
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const excludePatterns = (options.exclude ?? []).map(normalizePattern);
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const rootDir = options.rootDir ? options.rootDir.replace(/\\/g, '/').replace(/\/+$/, '') : undefined;
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// Compile patterns into matchers for better performance
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const picomatchOptions = {
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dot: true, // Match dotfiles when pattern explicitly includes them
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};
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const includeMatcher = picomatch(includePatterns, picomatchOptions);
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const excludeMatcher = excludePatterns.length > 0
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? picomatch(excludePatterns, picomatchOptions)
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: () => false;
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return (filePath) => {
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// Normalize path separators for cross-platform compatibility
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let normalizedPath = filePath.replace(/\\/g, '/');
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// If rootDir is provided and the path appears to be absolute, make it relative
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// This is necessary because chokidar v4 passes absolute paths to the
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// ignored callback even when a cwd is specified
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if (rootDir) {
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if (normalizedPath.startsWith(rootDir + '/')) {
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normalizedPath = normalizedPath.slice(rootDir.length + 1);
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}
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else if (normalizedPath === rootDir) {
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// The root directory itself - don't ignore it
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return false;
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}
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}
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// A file is ignored if:
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// 1. It matches any exclude pattern, OR
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// 2. It does NOT match any include pattern
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if (excludeMatcher(normalizedPath)) {
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return true; // Ignore: matches exclude
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}
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if (!includeMatcher(normalizedPath)) {
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return true; // Ignore: doesn't match include
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}
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return false; // Don't ignore: matches include and doesn't match exclude
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};
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}
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