Jesus sucks

backend/frontend/node_modules/@csstools/sass-import-resolve/index.js

@@ -0,0 +1,147 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.default = resolve;
+
+var _fs = require('fs');
+
+var _path = require('path');
+
+/* Resolve the absolute path of a file in Sass
+/* ========================================================================== */
+
+function resolve(id, rawopts) {
+	var opts = Object.assign({
+		cache: {},
+		cwd: process.cwd(),
+		readFile: false
+	}, rawopts);
+
+	// if `id` starts with `/`
+	if (starts_with_root(id)) {
+		// `cwd` is the filesystem root
+		opts.cwd = '';
+	}
+
+	// `file` is `cwd/id`
+	var file = (0, _path.join)(opts.cwd, id);
+
+	// `base` is the last segment path of `file`
+	var base = (0, _path.basename)(file);
+
+	// `dir` is all but the last segment path of `file`
+	var dir = (0, _path.dirname)(file);
+
+	var tests = [];
+
+	// if `base` ends with `.sass`, `.scss`, or `.css`
+	if (ends_with_sass_extension(base) || ends_with_css_extension(base)) {
+		// test whether `file` exists
+		tests.push(test_file(file, opts));
+
+		// if `base` does not start with `_`
+		if (!starts_with_partial(base)) {
+			// test whether `dir/_base` exists
+			tests.push(test_file((0, _path.join)(dir, '_' + base), opts));
+		}
+	} else {
+		// otherwise
+		tests.push(
+		// test whether `dir/base.scss` exists
+		test_file((0, _path.join)(dir, base + '.scss'), opts),
+		// test whether `dir/base.sass` exists
+		test_file((0, _path.join)(dir, base + '.sass'), opts),
+		// test whether `dir/base.css` exists
+		test_file((0, _path.join)(dir, base + '.css'), opts));
+
+		// if `base` does not start with `_`
+		if (!starts_with_partial(base)) {
+			tests.push(
+			// test whether `dir/_base.scss` exists
+			test_file((0, _path.join)(dir, '_' + base + '.scss'), opts),
+			// test whether `dir/_base.sass` exists
+			test_file((0, _path.join)(dir, '_' + base + '.sass'), opts),
+			// test whether `dir/_base.css` exists
+			test_file((0, _path.join)(dir, '_' + base + '.css'), opts));
+		}
+	}
+
+	return Promise.all(tests).then(function (test) {
+		return test.filter(function (result) {
+			return result;
+		});
+	}).then(function (files) {
+		// if the length of existing files is `1`
+		if (files.length === 1) {
+			// return the existing file
+			return files[0];
+		}
+
+		// otherwise, if the length of existing files is greater than `1`
+		if (files.length > 1) {
+			// throw `"It's not clear which file to import"`
+			throw new Error('It\'s not clear which file to import');
+		}
+
+		// otherwise, if `base` does not end with `.css`
+		if (!ends_with_css_extension(base)) {
+			// throw `"File to import not found or unreadable"`
+			throw new Error('File to import not found or unreadable');
+		}
+	});
+}
+
+/* Additional tooling
+/* ========================================================================== */
+
+function test_file(file, opts) {
+	opts.cache[file] = opts.cache[file] || new Promise(function (resolvePromise) {
+		if (opts.readFile) {
+			(0, _fs.readFile)(file, 'utf8', function (error, contents) {
+				if (error) {
+					resolvePromise(false);
+				} else {
+					resolvePromise({
+						file: file,
+						contents: contents
+					});
+				}
+			});
+		} else {
+			(0, _fs.stat)(file, function (error, stats) {
+				if (error || !stats.isFile()) {
+					resolvePromise(false);
+				} else {
+					resolvePromise({
+						file: file
+					});
+				}
+			});
+		}
+	});
+
+	return opts.cache[file];
+}
+
+function starts_with_root(id) {
+	return (/^\//.test(id)
+	);
+}
+
+function starts_with_partial(base) {
+	return (/^_/.test(base)
+	);
+}
+
+function ends_with_css_extension(base) {
+	return (/\.css$/i.test(base)
+	);
+}
+
+function ends_with_sass_extension(base) {
+	return (/\.s[ac]ss$/i.test(base)
+	);
+}
+module.exports = exports['default'];