chushihua

node_modules/globby/gitignore.js

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+'use strict';
+const fs = require('fs');
+const path = require('path');
+const glob = require('glob');
+const gitIgnore = require('ignore');
+const pify = require('pify');
+const slash = require('slash');
+
+const globP = pify(glob);
+const readFileP = pify(fs.readFile);
+
+const mapGitIgnorePatternTo = base => ignore => {
+	if (ignore.startsWith('!')) {
+		return '!' + path.posix.join(base, ignore.substr(1));
+	}
+
+	return path.posix.join(base, ignore);
+};
+
+const parseGitIgnore = (content, opts) => {
+	const base = slash(path.relative(opts.cwd, path.dirname(opts.fileName)));
+
+	return content
+		.split(/\r?\n/)
+		.filter(Boolean)
+		.filter(l => l.charAt(0) !== '#')
+		.map(mapGitIgnorePatternTo(base));
+};
+
+const reduceIgnore = files => {
+	return files.reduce((ignores, file) => {
+		ignores.add(parseGitIgnore(file.content, {
+			cwd: file.cwd,
+			fileName: file.filePath
+		}));
+		return ignores;
+	}, gitIgnore());
+};
+
+const getIsIgnoredPredecate = (ignores, cwd) => {
+	return p => ignores.ignores(slash(path.relative(cwd, p)));
+};
+
+const getFile = (file, cwd) => {
+	const filePath = path.join(cwd, file);
+	return readFileP(filePath, 'utf8')
+		.then(content => ({
+			content,
+			cwd,
+			filePath
+		}));
+};
+
+const getFileSync = (file, cwd) => {
+	const filePath = path.join(cwd, file);
+	const content = fs.readFileSync(filePath, 'utf8');
+
+	return {
+		content,
+		cwd,
+		filePath
+	};
+};
+
+const normalizeOpts = opts => {
+	opts = opts || {};
+	const ignore = opts.ignore || [];
+	const cwd = opts.cwd || process.cwd();
+	return {ignore, cwd};
+};
+
+module.exports = o => {
+	const opts = normalizeOpts(o);
+
+	return globP('**/.gitignore', {ignore: opts.ignore, cwd: opts.cwd})
+		.then(paths => Promise.all(paths.map(file => getFile(file, opts.cwd))))
+		.then(files => reduceIgnore(files))
+		.then(ignores => getIsIgnoredPredecate(ignores, opts.cwd));
+};
+
+module.exports.sync = o => {
+	const opts = normalizeOpts(o);
+
+	const paths = glob.sync('**/.gitignore', {ignore: opts.ignore, cwd: opts.cwd});
+	const files = paths.map(file => getFileSync(file, opts.cwd));
+	const ignores = reduceIgnore(files);
+	return getIsIgnoredPredecate(ignores, opts.cwd);
+};