summaryrefslogtreecommitdiffstats
path: root/middleware/node_modules/path-to-regexp/index.js
diff options
context:
space:
mode:
Diffstat (limited to 'middleware/node_modules/path-to-regexp/index.js')
-rw-r--r--middleware/node_modules/path-to-regexp/index.js129
1 files changed, 129 insertions, 0 deletions
diff --git a/middleware/node_modules/path-to-regexp/index.js b/middleware/node_modules/path-to-regexp/index.js
new file mode 100644
index 0000000..500d1da
--- /dev/null
+++ b/middleware/node_modules/path-to-regexp/index.js
@@ -0,0 +1,129 @@
+/**
+ * Expose `pathtoRegexp`.
+ */
+
+module.exports = pathtoRegexp;
+
+/**
+ * Match matching groups in a regular expression.
+ */
+var MATCHING_GROUP_REGEXP = /\((?!\?)/g;
+
+/**
+ * Normalize the given path string,
+ * returning a regular expression.
+ *
+ * An empty array should be passed,
+ * which will contain the placeholder
+ * key names. For example "/user/:id" will
+ * then contain ["id"].
+ *
+ * @param {String|RegExp|Array} path
+ * @param {Array} keys
+ * @param {Object} options
+ * @return {RegExp}
+ * @api private
+ */
+
+function pathtoRegexp(path, keys, options) {
+ options = options || {};
+ keys = keys || [];
+ var strict = options.strict;
+ var end = options.end !== false;
+ var flags = options.sensitive ? '' : 'i';
+ var extraOffset = 0;
+ var keysOffset = keys.length;
+ var i = 0;
+ var name = 0;
+ var m;
+
+ if (path instanceof RegExp) {
+ while (m = MATCHING_GROUP_REGEXP.exec(path.source)) {
+ keys.push({
+ name: name++,
+ optional: false,
+ offset: m.index
+ });
+ }
+
+ return path;
+ }
+
+ if (Array.isArray(path)) {
+ // Map array parts into regexps and return their source. We also pass
+ // the same keys and options instance into every generation to get
+ // consistent matching groups before we join the sources together.
+ path = path.map(function (value) {
+ return pathtoRegexp(value, keys, options).source;
+ });
+
+ return new RegExp('(?:' + path.join('|') + ')', flags);
+ }
+
+ path = ('^' + path + (strict ? '' : path[path.length - 1] === '/' ? '?' : '/?'))
+ .replace(/\/\(/g, '/(?:')
+ .replace(/([\/\.])/g, '\\$1')
+ .replace(/(\\\/)?(\\\.)?:(\w+)(\(.*?\))?(\*)?(\?)?/g, function (match, slash, format, key, capture, star, optional, offset) {
+ slash = slash || '';
+ format = format || '';
+ capture = capture || '([^\\/' + format + ']+?)';
+ optional = optional || '';
+
+ keys.push({
+ name: key,
+ optional: !!optional,
+ offset: offset + extraOffset
+ });
+
+ var result = ''
+ + (optional ? '' : slash)
+ + '(?:'
+ + format + (optional ? slash : '') + capture
+ + (star ? '((?:[\\/' + format + '].+?)?)' : '')
+ + ')'
+ + optional;
+
+ extraOffset += result.length - match.length;
+
+ return result;
+ })
+ .replace(/\*/g, function (star, index) {
+ var len = keys.length
+
+ while (len-- > keysOffset && keys[len].offset > index) {
+ keys[len].offset += 3; // Replacement length minus asterisk length.
+ }
+
+ return '(.*)';
+ });
+
+ // This is a workaround for handling unnamed matching groups.
+ while (m = MATCHING_GROUP_REGEXP.exec(path)) {
+ var escapeCount = 0;
+ var index = m.index;
+
+ while (path.charAt(--index) === '\\') {
+ escapeCount++;
+ }
+
+ // It's possible to escape the bracket.
+ if (escapeCount % 2 === 1) {
+ continue;
+ }
+
+ if (keysOffset + i === keys.length || keys[keysOffset + i].offset > m.index) {
+ keys.splice(keysOffset + i, 0, {
+ name: name++, // Unnamed matching groups must be consistently linear.
+ optional: false,
+ offset: m.index
+ });
+ }
+
+ i++;
+ }
+
+ // If the path is non-ending, match until the end or a slash.
+ path += (end ? '$' : (path[path.length - 1] === '/' ? '' : '(?=\\/|$)'));
+
+ return new RegExp(path, flags);
+};