forked from public/fvtt-cthulhu-eternal
91 lines
2.2 KiB
JavaScript
91 lines
2.2 KiB
JavaScript
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'use strict';
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var path = require('path');
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var isNegated = require('is-negated-glob');
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module.exports = function (glob, options) {
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// default options
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var opts = options || {};
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// ensure cwd is absolute
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var cwd = unescape(opts.cwd ? opts.cwd : process.cwd());
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cwd = path.resolve(cwd);
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cwd = unixify(cwd);
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cwd = escape(cwd);
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var rootDir = opts.root;
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// if `options.root` is defined, ensure it's absolute
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if (rootDir) {
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rootDir = unescape(rootDir);
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rootDir = unixify(rootDir);
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if (process.platform === 'win32' || !path.isAbsolute(rootDir)) {
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rootDir = unixify(path.resolve(rootDir));
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}
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rootDir = escape(rootDir);
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}
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// store last character before glob is modified
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var suffix = glob.slice(-1);
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// check to see if glob is negated (and not a leading negated-extglob)
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var ing = isNegated(glob);
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glob = ing.pattern;
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// trim starting ./ from glob patterns
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if (glob.slice(0, 2) === './') {
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glob = glob.slice(2);
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}
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// when the glob pattern is only a . use an empty string
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if (glob.length === 1 && glob === '.') {
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glob = '';
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}
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// make glob absolute
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if (rootDir && glob.charAt(0) === '/') {
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glob = join(rootDir, glob);
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} else if (!path.isAbsolute(glob) || glob.slice(0, 1) === '\\') {
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glob = join(cwd, glob);
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}
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// if glob had a trailing `/`, re-add it now in case it was removed
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if (suffix === '/' && glob.slice(-1) !== '/') {
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glob += '/';
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}
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// re-add leading `!` if it was removed
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return ing.negated ? '!' + glob : glob;
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};
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function escape(path) {
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return path.replace(/([({[\]})*?!])/g, '\\$1');
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}
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function unescape(path) {
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return path.replace(/\\([({[\]})*?!])/g, '$1');
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}
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// Before calling unixify, we remove the escapes and then
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// we add them back afterwards to avoid double-escaping
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function unixify(filepath) {
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return filepath.replace(/\\/g, '/');
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}
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function join(dir, glob) {
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if (dir.charAt(dir.length - 1) === '/') {
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dir = dir.slice(0, -1);
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}
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if (glob.charAt(0) === '/') {
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glob = glob.slice(1);
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}
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if (!glob) return dir;
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// Resolve `../` segements in the glob
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while (glob.slice(0, 3) === '../') {
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dir = dir.slice(0, dir.lastIndexOf('/'));
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glob = glob.slice(3);
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}
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return dir + '/' + glob;
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}
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