added migrations for instant delivery

node_modules/react-router/lib/PathUtils.js

@@ -0,0 +1,153 @@
+'use strict';
+
+var invariant = require('react/lib/invariant');
+var assign = require('object-assign');
+var qs = require('qs');
+
+var paramCompileMatcher = /:([a-zA-Z_$][a-zA-Z0-9_$]*)|[*.()\[\]\\+|{}^$]/g;
+var paramInjectMatcher = /:([a-zA-Z_$][a-zA-Z0-9_$?]*[?]?)|[*]/g;
+var paramInjectTrailingSlashMatcher = /\/\/\?|\/\?\/|\/\?/g;
+var queryMatcher = /\?(.*)$/;
+
+var _compiledPatterns = {};
+
+function compilePattern(pattern) {
+  if (!(pattern in _compiledPatterns)) {
+    var paramNames = [];
+    var source = pattern.replace(paramCompileMatcher, function (match, paramName) {
+      if (paramName) {
+        paramNames.push(paramName);
+        return '([^/?#]+)';
+      } else if (match === '*') {
+        paramNames.push('splat');
+        return '(.*?)';
+      } else {
+        return '\\' + match;
+      }
+    });
+
+    _compiledPatterns[pattern] = {
+      matcher: new RegExp('^' + source + '$', 'i'),
+      paramNames: paramNames
+    };
+  }
+
+  return _compiledPatterns[pattern];
+}
+
+var PathUtils = {
+
+  /**
+   * Returns true if the given path is absolute.
+   */
+  isAbsolute: function isAbsolute(path) {
+    return path.charAt(0) === '/';
+  },
+
+  /**
+   * Joins two URL paths together.
+   */
+  join: function join(a, b) {
+    return a.replace(/\/*$/, '/') + b;
+  },
+
+  /**
+   * Returns an array of the names of all parameters in the given pattern.
+   */
+  extractParamNames: function extractParamNames(pattern) {
+    return compilePattern(pattern).paramNames;
+  },
+
+  /**
+   * Extracts the portions of the given URL path that match the given pattern
+   * and returns an object of param name => value pairs. Returns null if the
+   * pattern does not match the given path.
+   */
+  extractParams: function extractParams(pattern, path) {
+    var _compilePattern = compilePattern(pattern);
+
+    var matcher = _compilePattern.matcher;
+    var paramNames = _compilePattern.paramNames;
+
+    var match = path.match(matcher);
+
+    if (!match) {
+      return null;
+    }var params = {};
+
+    paramNames.forEach(function (paramName, index) {
+      params[paramName] = match[index + 1];
+    });
+
+    return params;
+  },
+
+  /**
+   * Returns a version of the given route path with params interpolated. Throws
+   * if there is a dynamic segment of the route path for which there is no param.
+   */
+  injectParams: function injectParams(pattern, params) {
+    params = params || {};
+
+    var splatIndex = 0;
+
+    return pattern.replace(paramInjectMatcher, function (match, paramName) {
+      paramName = paramName || 'splat';
+
+      // If param is optional don't check for existence
+      if (paramName.slice(-1) === '?') {
+        paramName = paramName.slice(0, -1);
+
+        if (params[paramName] == null) return '';
+      } else {
+        invariant(params[paramName] != null, 'Missing "%s" parameter for path "%s"', paramName, pattern);
+      }
+
+      var segment;
+      if (paramName === 'splat' && Array.isArray(params[paramName])) {
+        segment = params[paramName][splatIndex++];
+
+        invariant(segment != null, 'Missing splat # %s for path "%s"', splatIndex, pattern);
+      } else {
+        segment = params[paramName];
+      }
+
+      return segment;
+    }).replace(paramInjectTrailingSlashMatcher, '/');
+  },
+
+  /**
+   * Returns an object that is the result of parsing any query string contained
+   * in the given path, null if the path contains no query string.
+   */
+  extractQuery: function extractQuery(path) {
+    var match = path.match(queryMatcher);
+    return match && qs.parse(match[1]);
+  },
+
+  /**
+   * Returns a version of the given path without the query string.
+   */
+  withoutQuery: function withoutQuery(path) {
+    return path.replace(queryMatcher, '');
+  },
+
+  /**
+   * Returns a version of the given path with the parameters in the given
+   * query merged into the query string.
+   */
+  withQuery: function withQuery(path, query) {
+    var existingQuery = PathUtils.extractQuery(path);
+
+    if (existingQuery) query = query ? assign(existingQuery, query) : existingQuery;
+
+    var queryString = qs.stringify(query, { arrayFormat: 'brackets' });
+
+    if (queryString) {
+      return PathUtils.withoutQuery(path) + '?' + queryString;
+    }return PathUtils.withoutQuery(path);
+  }
+
+};
+
+module.exports = PathUtils;