Added base template for config ui.

appengine/config_service/ui/bower_components/polymer/lib/utils/path.html

+<!--
+@license
+Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
+
+<link rel="import" href="boot.html">
+
+<script>
+(function() {
+  'use strict';
+
+  /**
+   * Module with utilities for manipulating structured data path strings.
+   *
+   * @namespace
+   * @memberof Polymer
+   * @summary Module with utilities for manipulating structured data path strings.
+   */
+  const Path = {
+
+    /**
+     * Returns true if the given string is a structured data path (has dots).
+     *
+     * Example:
+     *
+     * ```
+     * Polymer.Path.isPath('foo.bar.baz') // true
+     * Polymer.Path.isPath('foo')         // false
+     * ```
+     *
+     * @memberof Polymer.Path
+     * @param {string} path Path string
+     * @return {boolean} True if the string contained one or more dots
+     */
+    isPath: function(path) {
+      return path.indexOf('.') >= 0;
+    },
+
+    /**
+     * Returns the root property name for the given path.
+     *
+     * Example:
+     *
+     * ```
+     * Polymer.Path.root('foo.bar.baz') // 'foo'
+     * Polymer.Path.root('foo')         // 'foo'
+     * ```
+     *
+     * @memberof Polymer.Path
+     * @param {string} path Path string
+     * @return {string} Root property name
+     */
+    root: function(path) {
+      let dotIndex = path.indexOf('.');
+      if (dotIndex === -1) {
+        return path;
+      }
+      return path.slice(0, dotIndex);
+    },
+
+    /**
+     * Given `base` is `foo.bar`, `foo` is an ancestor, `foo.bar` is not
+     * Returns true if the given path is an ancestor of the base path.
+     *
+     * Example:
+     *
+     * ```
+     * Polymer.Path.isAncestor('foo.bar', 'foo')         // true
+     * Polymer.Path.isAncestor('foo.bar', 'foo.bar')     // false
+     * Polymer.Path.isAncestor('foo.bar', 'foo.bar.baz') // false
+     * ```
+     *
+     * @memberof Polymer.Path
+     * @param {string} base Path string to test against.
+     * @param {string} path Path string to test.
+     * @return {boolean} True if `path` is an ancestor of `base`.
+     */
+    isAncestor: function(base, path) {
+      //     base.startsWith(path + '.');
+      return base.indexOf(path + '.') === 0;
+    },
+
+    /**
+     * Given `base` is `foo.bar`, `foo.bar.baz` is an descendant
+     *
+     * Example:
+     *
+     * ```
+     * Polymer.Path.isDescendant('foo.bar', 'foo.bar.baz') // true
+     * Polymer.Path.isDescendant('foo.bar', 'foo.bar')     // false
+     * Polymer.Path.isDescendant('foo.bar', 'foo')         // false
+     * ```
+     *
+     * @memberof Polymer.Path
+     * @param {string} base Path string to test against.
+     * @param {string} path Path string to test.
+     * @return {boolean} True if `path` is a descendant of `base`.
+     */
+    isDescendant: function(base, path) {
+      //     path.startsWith(base + '.');
+      return path.indexOf(base + '.') === 0;
+    },
+
+    /**
+     * Replaces a previous base path with a new base path, preserving the
+     * remainder of the path.
+     *
+     * User must ensure `path` has a prefix of `base`.
+     *
+     * Example:
+     *
+     * ```
+     * Polymer.Path.translate('foo.bar', 'zot' 'foo.bar.baz') // 'zot.baz'
+     * ```
+     *
+     * @memberof Polymer.Path
+     * @param {string} base Current base string to remove
+     * @param {string} newBase New base string to replace with
+     * @param {string} path Path to translate
+     * @return {string} Translated string
+     */
+    translate: function(base, newBase, path) {
+      return newBase + path.slice(base.length);
+    },
+
+    matches: function(base, path) {
+      return (base === path) ||
+             this.isAncestor(base, path) ||
+             this.isDescendant(base, path);
+    },
+
+    /**
+     * Converts array-based paths to flattened path.  String-based paths
+     * are returned as-is.
+     *
+     * Example:
+     *
+     * ```
+     * Polymer.Path.normalize(['foo.bar', 0, 'baz'])  // 'foo.bar.0.baz'
+     * Polymer.Path.normalize('foo.bar.0.baz')        // 'foo.bar.0.baz'
+     * ```
+     *
+     * @memberof Polymer.Path
+     * @param {string | !Array<string|number>} path Input path
+     * @return {string} Flattened path
+     */
+    normalize: function(path) {
+      if (Array.isArray(path)) {
+        let parts = [];
+        for (let i=0; i<path.length; i++) {
+          let args = path[i].toString().split('.');
+          for (let j=0; j<args.length; j++) {
+            parts.push(args[j]);
+          }
+        }
+        return parts.join('.');
+      } else {
+        return path;
+      }
+    },
+
+    /**
+     * Splits a path into an array of property names. Accepts either arrays
+     * of path parts or strings.
+     *
+     * Example:
+     *
+     * ```
+     * Polymer.Path.split(['foo.bar', 0, 'baz'])  // ['foo', 'bar', '0', 'baz']
+     * Polymer.Path.split('foo.bar.0.baz')        // ['foo', 'bar', '0', 'baz']
+     * ```
+     *
+     * @memberof Polymer.Path
+     * @param {string | !Array<string|number>} path Input path
+     * @return {!Array<string>} Array of path parts
+     */
+    split: function(path) {
+      if (Array.isArray(path)) {
+        return this.normalize(path).split('.');
+      }
+      return path.toString().split('.');
+    },
+
+    /**
+     * Reads a value from a path.  If any sub-property in the path is `undefined`,
+     * this method returns `undefined` (will never throw.
+     *
+     * @memberof Polymer.Path
+     * @param {Object} root Object from which to dereference path from
+     * @param {string | !Array<string|number>} path Path to read
+     * @param {Object=} info If an object is provided to `info`, the normalized
+     *  (flattened) path will be set to `info.path`.
+     * @return {*} Value at path, or `undefined` if the path could not be
+     *  fully dereferenced.
+     */
+    get: function(root, path, info) {
+      let prop = root;
+      let parts = this.split(path);
+      // Loop over path parts[0..n-1] and dereference
+      for (let i=0; i<parts.length; i++) {
+        if (!prop) {
+          return;
+        }
+        let part = parts[i];
+        prop = prop[part];
+      }
+      if (info) {
+        info.path = parts.join('.');
+      }
+      return prop;
+    },
+
+    /**
+     * Sets a value to a path.  If any sub-property in the path is `undefined`,
+     * this method will no-op.
+     *
+     * @memberof Polymer.Path
+     * @param {Object} root Object from which to dereference path from
+     * @param {string | !Array<string|number>} path Path to set
+     * @param {*} value Value to set to path
+     * @return {string | undefined} The normalized version of the input path
+     */
+    set: function(root, path, value) {
+      let prop = root;
+      let parts = this.split(path);
+      let last = parts[parts.length-1];
+      if (parts.length > 1) {
+        // Loop over path parts[0..n-2] and dereference
+        for (let i=0; i<parts.length-1; i++) {
+          let part = parts[i];
+          prop = prop[part];
+          if (!prop) {
+            return;
+          }
+        }
+        // Set value to object at end of path
+        prop[last] = value;
+      } else {
+        // Simple property set
+        prop[path] = value;
+      }
+      return parts.join('.');
+    }
+
+  };
+
+  /**
+   * Returns true if the given string is a structured data path (has dots).
+   *
+   * This function is deprecated.  Use `Polymer.Path.isPath` instead.
+   *
+   * Example:
+   *
+   * ```
+   * Polymer.Path.isDeep('foo.bar.baz') // true
+   * Polymer.Path.isDeep('foo')         // false
+   * ```
+   *
+   * @deprecated
+   * @memberof Polymer.Path
+   * @param {string} path Path string
+   * @return {boolean} True if the string contained one or more dots
+   */
+  Path.isDeep = Path.isPath;
+
+  Polymer.Path = Path;
+
+})();
+</script>