Added the underscore node_module.

node_modules/underscore/modules/.eslintrc

@@ -0,0 +1,21 @@
+{
+  "parserOptions": {
+    "ecmaVersion": 6,
+    "sourceType": "module",
+  },
+  "plugins": [
+    "import"
+  ],
+  "extends": [
+    "plugin:import/errors"
+  ],
+  "rules": {
+    // ExtendScript wrongly gives equal precedence to && and ||. #2949
+    "no-mixed-operators": [
+      "error",
+      {
+        "groups": [["&&", "||"]]
+      }
+    ]
+  }
+}

node_modules/underscore/modules/_baseCreate.js

@@ -0,0 +1,18 @@
+import isObject from './isObject.js';
+import { nativeCreate } from './_setup.js';
+
+// Create a naked function reference for surrogate-prototype-swapping.
+function ctor() {
+  return function(){};
+}
+
+// An internal function for creating a new object that inherits from another.
+export default function baseCreate(prototype) {
+  if (!isObject(prototype)) return {};
+  if (nativeCreate) return nativeCreate(prototype);
+  var Ctor = ctor();
+  Ctor.prototype = prototype;
+  var result = new Ctor;
+  Ctor.prototype = null;
+  return result;
+}

node_modules/underscore/modules/_baseIteratee.js

@@ -0,0 +1,17 @@
+import identity from './identity.js';
+import isFunction from './isFunction.js';
+import isObject from './isObject.js';
+import isArray from './isArray.js';
+import matcher from './matcher.js';
+import property from './property.js';
+import optimizeCb from './_optimizeCb.js';
+
+// An internal function to generate callbacks that can be applied to each
+// element in a collection, returning the desired result — either `_.identity`,
+// an arbitrary callback, a property matcher, or a property accessor.
+export default function baseIteratee(value, context, argCount) {
+  if (value == null) return identity;
+  if (isFunction(value)) return optimizeCb(value, context, argCount);
+  if (isObject(value) && !isArray(value)) return matcher(value);
+  return property(value);
+}

node_modules/underscore/modules/_cb.js

@@ -0,0 +1,10 @@
+import _ from './underscore.js';
+import baseIteratee from './_baseIteratee.js';
+import iteratee from './iteratee.js';
+
+// The function we call internally to generate a callback. It invokes
+// `_.iteratee` if overridden, otherwise `baseIteratee`.
+export default function cb(value, context, argCount) {
+  if (_.iteratee !== iteratee) return _.iteratee(value, context);
+  return baseIteratee(value, context, argCount);
+}

node_modules/underscore/modules/_chainResult.js

@@ -0,0 +1,6 @@
+import _ from './underscore.js';
+
+// Helper function to continue chaining intermediate results.
+export default function chainResult(instance, obj) {
+  return instance._chain ? _(obj).chain() : obj;
+}

node_modules/underscore/modules/_collectNonEnumProps.js

@@ -0,0 +1,40 @@
+import { nonEnumerableProps, ObjProto } from './_setup.js';
+import isFunction from './isFunction.js';
+import has from './_has.js';
+
+// Internal helper to create a simple lookup structure.
+// `collectNonEnumProps` used to depend on `_.contains`, but this led to
+// circular imports. `emulatedSet` is a one-off solution that only works for
+// arrays of strings.
+function emulatedSet(keys) {
+  var hash = {};
+  for (var l = keys.length, i = 0; i < l; ++i) hash[keys[i]] = true;
+  return {
+    contains: function(key) { return hash[key] === true; },
+    push: function(key) {
+      hash[key] = true;
+      return keys.push(key);
+    }
+  };
+}
+
+// Internal helper. Checks `keys` for the presence of keys in IE < 9 that won't
+// be iterated by `for key in ...` and thus missed. Extends `keys` in place if
+// needed.
+export default function collectNonEnumProps(obj, keys) {
+  keys = emulatedSet(keys);
+  var nonEnumIdx = nonEnumerableProps.length;
+  var constructor = obj.constructor;
+  var proto = (isFunction(constructor) && constructor.prototype) || ObjProto;
+
+  // Constructor is a special case.
+  var prop = 'constructor';
+  if (has(obj, prop) && !keys.contains(prop)) keys.push(prop);
+
+  while (nonEnumIdx--) {
+    prop = nonEnumerableProps[nonEnumIdx];
+    if (prop in obj && obj[prop] !== proto[prop] && !keys.contains(prop)) {
+      keys.push(prop);
+    }
+  }
+}

node_modules/underscore/modules/_createAssigner.js

@@ -0,0 +1,18 @@
+// An internal function for creating assigner functions.
+export default function createAssigner(keysFunc, defaults) {
+  return function(obj) {
+    var length = arguments.length;
+    if (defaults) obj = Object(obj);
+    if (length < 2 || obj == null) return obj;
+    for (var index = 1; index < length; index++) {
+      var source = arguments[index],
+          keys = keysFunc(source),
+          l = keys.length;
+      for (var i = 0; i < l; i++) {
+        var key = keys[i];
+        if (!defaults || obj[key] === void 0) obj[key] = source[key];
+      }
+    }
+    return obj;
+  };
+}

node_modules/underscore/modules/_createEscaper.js

@@ -0,0 +1,17 @@
+import keys from './keys.js';
+
+// Internal helper to generate functions for escaping and unescaping strings
+// to/from HTML interpolation.
+export default function createEscaper(map) {
+  var escaper = function(match) {
+    return map[match];
+  };
+  // Regexes for identifying a key that needs to be escaped.
+  var source = '(?:' + keys(map).join('|') + ')';
+  var testRegexp = RegExp(source);
+  var replaceRegexp = RegExp(source, 'g');
+  return function(string) {
+    string = string == null ? '' : '' + string;
+    return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string;
+  };
+}

node_modules/underscore/modules/_createIndexFinder.js

@@ -0,0 +1,28 @@
+import getLength from './_getLength.js';
+import { slice } from './_setup.js';
+import isNaN from './isNaN.js';
+
+// Internal function to generate the `_.indexOf` and `_.lastIndexOf` functions.
+export default function createIndexFinder(dir, predicateFind, sortedIndex) {
+  return function(array, item, idx) {
+    var i = 0, length = getLength(array);
+    if (typeof idx == 'number') {
+      if (dir > 0) {
+        i = idx >= 0 ? idx : Math.max(idx + length, i);
+      } else {
+        length = idx >= 0 ? Math.min(idx + 1, length) : idx + length + 1;
+      }
+    } else if (sortedIndex && idx && length) {
+      idx = sortedIndex(array, item);
+      return array[idx] === item ? idx : -1;
+    }
+    if (item !== item) {
+      idx = predicateFind(slice.call(array, i, length), isNaN);
+      return idx >= 0 ? idx + i : -1;
+    }
+    for (idx = dir > 0 ? i : length - 1; idx >= 0 && idx < length; idx += dir) {
+      if (array[idx] === item) return idx;
+    }
+    return -1;
+  };
+}

node_modules/underscore/modules/_createPredicateIndexFinder.js

@@ -0,0 +1,15 @@
+import cb from './_cb.js';
+import getLength from './_getLength.js';
+
+// Internal function to generate `_.findIndex` and `_.findLastIndex`.
+export default function createPredicateIndexFinder(dir) {
+  return function(array, predicate, context) {
+    predicate = cb(predicate, context);
+    var length = getLength(array);
+    var index = dir > 0 ? 0 : length - 1;
+    for (; index >= 0 && index < length; index += dir) {
+      if (predicate(array[index], index, array)) return index;
+    }
+    return -1;
+  };
+}

node_modules/underscore/modules/_createReduce.js

@@ -0,0 +1,28 @@
+import isArrayLike from './_isArrayLike.js';
+import keys from './keys.js';
+import optimizeCb from './_optimizeCb.js';
+
+// Internal helper to create a reducing function, iterating left or right.
+export default function createReduce(dir) {
+  // Wrap code that reassigns argument variables in a separate function than
+  // the one that accesses `arguments.length` to avoid a perf hit. (#1991)
+  var reducer = function(obj, iteratee, memo, initial) {
+    var _keys = !isArrayLike(obj) && keys(obj),
+        length = (_keys || obj).length,
+        index = dir > 0 ? 0 : length - 1;
+    if (!initial) {
+      memo = obj[_keys ? _keys[index] : index];
+      index += dir;
+    }
+    for (; index >= 0 && index < length; index += dir) {
+      var currentKey = _keys ? _keys[index] : index;
+      memo = iteratee(memo, obj[currentKey], currentKey, obj);
+    }
+    return memo;
+  };
+
+  return function(obj, iteratee, memo, context) {
+    var initial = arguments.length >= 3;
+    return reducer(obj, optimizeCb(iteratee, context, 4), memo, initial);
+  };
+}

node_modules/underscore/modules/_createSizePropertyCheck.js

@@ -0,0 +1,9 @@
+import { MAX_ARRAY_INDEX } from './_setup.js';
+
+// Common internal logic for `isArrayLike` and `isBufferLike`.
+export default function createSizePropertyCheck(getSizeProperty) {
+  return function(collection) {
+    var sizeProperty = getSizeProperty(collection);
+    return typeof sizeProperty == 'number' && sizeProperty >= 0 && sizeProperty <= MAX_ARRAY_INDEX;
+  }
+}

node_modules/underscore/modules/_deepGet.js

@@ -0,0 +1,9 @@
+// Internal function to obtain a nested property in `obj` along `path`.
+export default function deepGet(obj, path) {
+  var length = path.length;
+  for (var i = 0; i < length; i++) {
+    if (obj == null) return void 0;
+    obj = obj[path[i]];
+  }
+  return length ? obj : void 0;
+}

node_modules/underscore/modules/_escapeMap.js

@@ -0,0 +1,9 @@
+// Internal list of HTML entities for escaping.
+export default {
+  '&': '&',
+  '<': '&lt;',
+  '>': '&gt;',
+  '"': '&quot;',
+  "'": '&#x27;',
+  '`': '&#x60;'
+};

node_modules/underscore/modules/_executeBound.js

@@ -0,0 +1,13 @@
+import baseCreate from './_baseCreate.js';
+import isObject from './isObject.js';
+
+// Internal function to execute `sourceFunc` bound to `context` with optional
+// `args`. Determines whether to execute a function as a constructor or as a
+// normal function.
+export default function executeBound(sourceFunc, boundFunc, context, callingContext, args) {
+  if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args);
+  var self = baseCreate(sourceFunc.prototype);
+  var result = sourceFunc.apply(self, args);
+  if (isObject(result)) return result;
+  return self;
+}

node_modules/underscore/modules/_flatten.js

@@ -0,0 +1,31 @@
+import getLength from './_getLength.js';
+import isArrayLike from './_isArrayLike.js';
+import isArray from './isArray.js';
+import isArguments from './isArguments.js';
+
+// Internal implementation of a recursive `flatten` function.
+export default function flatten(input, depth, strict, output) {
+  output = output || [];
+  if (!depth && depth !== 0) {
+    depth = Infinity;
+  } else if (depth <= 0) {
+    return output.concat(input);
+  }
+  var idx = output.length;
+  for (var i = 0, length = getLength(input); i < length; i++) {
+    var value = input[i];
+    if (isArrayLike(value) && (isArray(value) || isArguments(value))) {
+      // Flatten current level of array or arguments object.
+      if (depth > 1) {
+        flatten(value, depth - 1, strict, output);
+        idx = output.length;
+      } else {
+        var j = 0, len = value.length;
+        while (j < len) output[idx++] = value[j++];
+      }
+    } else if (!strict) {
+      output[idx++] = value;
+    }
+  }
+  return output;
+}

node_modules/underscore/modules/_getByteLength.js

@@ -0,0 +1,4 @@
+import shallowProperty from './_shallowProperty.js';
+
+// Internal helper to obtain the `byteLength` property of an object.
+export default shallowProperty('byteLength');

node_modules/underscore/modules/_getLength.js

@@ -0,0 +1,4 @@
+import shallowProperty from './_shallowProperty.js';
+
+// Internal helper to obtain the `length` property of an object.
+export default shallowProperty('length');

node_modules/underscore/modules/_group.js

@@ -0,0 +1,15 @@
+import cb from './_cb.js';
+import each from './each.js';
+
+// An internal function used for aggregate "group by" operations.
+export default function group(behavior, partition) {
+  return function(obj, iteratee, context) {
+    var result = partition ? [[], []] : {};
+    iteratee = cb(iteratee, context);
+    each(obj, function(value, index) {
+      var key = iteratee(value, index, obj);
+      behavior(result, value, key);
+    });
+    return result;
+  };
+}

node_modules/underscore/modules/_has.js

@@ -0,0 +1,6 @@
+import { hasOwnProperty } from './_setup.js';
+
+// Internal function to check whether `key` is an own property name of `obj`.
+export default function has(obj, key) {
+  return obj != null && hasOwnProperty.call(obj, key);
+}

node_modules/underscore/modules/_hasObjectTag.js

@@ -0,0 +1,3 @@
+import tagTester from './_tagTester.js';
+
+export default tagTester('Object');

node_modules/underscore/modules/_isArrayLike.js

@@ -0,0 +1,8 @@
+import createSizePropertyCheck from './_createSizePropertyCheck.js';
+import getLength from './_getLength.js';
+
+// Internal helper for collection methods to determine whether a collection
+// should be iterated as an array or as an object.
+// Related: https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength
+// Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094
+export default createSizePropertyCheck(getLength);

node_modules/underscore/modules/_isBufferLike.js

@@ -0,0 +1,6 @@
+import createSizePropertyCheck from './_createSizePropertyCheck.js';
+import getByteLength from './_getByteLength.js';
+
+// Internal helper to determine whether we should spend extensive checks against
+// `ArrayBuffer` et al.
+export default createSizePropertyCheck(getByteLength);

node_modules/underscore/modules/_keyInObj.js

@@ -0,0 +1,5 @@
+// Internal `_.pick` helper function to determine whether `key` is an enumerable
+// property name of `obj`.
+export default function keyInObj(value, key, obj) {
+  return key in obj;
+}

node_modules/underscore/modules/_methodFingerprint.js

@@ -0,0 +1,37 @@
+import getLength from './_getLength.js';
+import isFunction from './isFunction.js';
+import allKeys from './allKeys.js';
+
+// Since the regular `Object.prototype.toString` type tests don't work for
+// some types in IE 11, we use a fingerprinting heuristic instead, based
+// on the methods. It's not great, but it's the best we got.
+// The fingerprint method lists are defined below.
+export function ie11fingerprint(methods) {
+  var length = getLength(methods);
+  return function(obj) {
+    if (obj == null) return false;
+    // `Map`, `WeakMap` and `Set` have no enumerable keys.
+    var keys = allKeys(obj);
+    if (getLength(keys)) return false;
+    for (var i = 0; i < length; i++) {
+      if (!isFunction(obj[methods[i]])) return false;
+    }
+    // If we are testing against `WeakMap`, we need to ensure that
+    // `obj` doesn't have a `forEach` method in order to distinguish
+    // it from a regular `Map`.
+    return methods !== weakMapMethods || !isFunction(obj[forEachName]);
+  };
+}
+
+// In the interest of compact minification, we write
+// each string in the fingerprints only once.
+var forEachName = 'forEach',
+    hasName = 'has',
+    commonInit = ['clear', 'delete'],
+    mapTail = ['get', hasName, 'set'];
+
+// `Map`, `WeakMap` and `Set` each have slightly different
+// combinations of the above sublists.
+export var mapMethods = commonInit.concat(forEachName, mapTail),
+    weakMapMethods = commonInit.concat(mapTail),
+    setMethods = ['add'].concat(commonInit, forEachName, hasName);

node_modules/underscore/modules/_optimizeCb.js

@@ -0,0 +1,21 @@
+// Internal function that returns an efficient (for current engines) version
+// of the passed-in callback, to be repeatedly applied in other Underscore
+// functions.
+export default function optimizeCb(func, context, argCount) {
+  if (context === void 0) return func;
+  switch (argCount == null ? 3 : argCount) {
+    case 1: return function(value) {
+      return func.call(context, value);
+    };
+    // The 2-argument case is omitted because we’re not using it.
+    case 3: return function(value, index, collection) {
+      return func.call(context, value, index, collection);
+    };
+    case 4: return function(accumulator, value, index, collection) {
+      return func.call(context, accumulator, value, index, collection);
+    };
+  }
+  return function() {
+    return func.apply(context, arguments);
+  };
+}

node_modules/underscore/modules/_setup.js

@@ -0,0 +1,43 @@
+// Current version.
+export var VERSION = '1.13.6';
+
+// Establish the root object, `window` (`self`) in the browser, `global`
+// on the server, or `this` in some virtual machines. We use `self`
+// instead of `window` for `WebWorker` support.
+export var root = (typeof self == 'object' && self.self === self && self) ||
+          (typeof global == 'object' && global.global === global && global) ||
+          Function('return this')() ||
+          {};
+
+// Save bytes in the minified (but not gzipped) version:
+export var ArrayProto = Array.prototype, ObjProto = Object.prototype;
+export var SymbolProto = typeof Symbol !== 'undefined' ? Symbol.prototype : null;
+
+// Create quick reference variables for speed access to core prototypes.
+export var push = ArrayProto.push,
+    slice = ArrayProto.slice,
+    toString = ObjProto.toString,
+    hasOwnProperty = ObjProto.hasOwnProperty;
+
+// Modern feature detection.
+export var supportsArrayBuffer = typeof ArrayBuffer !== 'undefined',
+    supportsDataView = typeof DataView !== 'undefined';
+
+// All **ECMAScript 5+** native function implementations that we hope to use
+// are declared here.
+export var nativeIsArray = Array.isArray,
+    nativeKeys = Object.keys,
+    nativeCreate = Object.create,
+    nativeIsView = supportsArrayBuffer && ArrayBuffer.isView;
+
+// Create references to these builtin functions because we override them.
+export var _isNaN = isNaN,
+    _isFinite = isFinite;
+
+// Keys in IE < 9 that won't be iterated by `for key in ...` and thus missed.
+export var hasEnumBug = !{toString: null}.propertyIsEnumerable('toString');
+export var nonEnumerableProps = ['valueOf', 'isPrototypeOf', 'toString',
+  'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString'];
+
+// The largest integer that can be represented exactly.
+export var MAX_ARRAY_INDEX = Math.pow(2, 53) - 1;

node_modules/underscore/modules/_shallowProperty.js

@@ -0,0 +1,6 @@
+// Internal helper to generate a function to obtain property `key` from `obj`.
+export default function shallowProperty(key) {
+  return function(obj) {
+    return obj == null ? void 0 : obj[key];
+  };
+}

node_modules/underscore/modules/_stringTagBug.js

@@ -0,0 +1,10 @@
+import { supportsDataView } from './_setup.js';
+import hasObjectTag from './_hasObjectTag.js';
+
+// In IE 10 - Edge 13, `DataView` has string tag `'[object Object]'`.
+// In IE 11, the most common among them, this problem also applies to
+// `Map`, `WeakMap` and `Set`.
+export var hasStringTagBug = (
+      supportsDataView && hasObjectTag(new DataView(new ArrayBuffer(8)))
+    ),
+    isIE11 = (typeof Map !== 'undefined' && hasObjectTag(new Map));

node_modules/underscore/modules/_tagTester.js

@@ -0,0 +1,9 @@
+import { toString } from './_setup.js';
+
+// Internal function for creating a `toString`-based type tester.
+export default function tagTester(name) {
+  var tag = '[object ' + name + ']';
+  return function(obj) {
+    return toString.call(obj) === tag;
+  };
+}

node_modules/underscore/modules/_toBufferView.js

@@ -0,0 +1,11 @@
+import getByteLength from './_getByteLength.js';
+
+// Internal function to wrap or shallow-copy an ArrayBuffer,
+// typed array or DataView to a new view, reusing the buffer.
+export default function toBufferView(bufferSource) {
+  return new Uint8Array(
+    bufferSource.buffer || bufferSource,
+    bufferSource.byteOffset || 0,
+    getByteLength(bufferSource)
+  );
+}

node_modules/underscore/modules/_toPath.js

@@ -0,0 +1,8 @@
+import _ from './underscore.js';
+import './toPath.js';
+
+// Internal wrapper for `_.toPath` to enable minification.
+// Similar to `cb` for `_.iteratee`.
+export default function toPath(path) {
+  return _.toPath(path);
+}

node_modules/underscore/modules/_unescapeMap.js

@@ -0,0 +1,5 @@
+import invert from './invert.js';
+import escapeMap from './_escapeMap.js';
+
+// Internal list of HTML entities for unescaping.
+export default invert(escapeMap);

node_modules/underscore/modules/after.js

@@ -0,0 +1,8 @@
+// Returns a function that will only be executed on and after the Nth call.
+export default function after(times, func) {
+  return function() {
+    if (--times < 1) {
+      return func.apply(this, arguments);
+    }
+  };
+}

node_modules/underscore/modules/allKeys.js

@@ -0,0 +1,13 @@
+import isObject from './isObject.js';
+import { hasEnumBug } from './_setup.js';
+import collectNonEnumProps from './_collectNonEnumProps.js';
+
+// Retrieve all the enumerable property names of an object.
+export default function allKeys(obj) {
+  if (!isObject(obj)) return [];
+  var keys = [];
+  for (var key in obj) keys.push(key);
+  // Ahem, IE < 9.
+  if (hasEnumBug) collectNonEnumProps(obj, keys);
+  return keys;
+}

node_modules/underscore/modules/before.js

@@ -0,0 +1,12 @@
+// Returns a function that will only be executed up to (but not including) the
+// Nth call.
+export default function before(times, func) {
+  var memo;
+  return function() {
+    if (--times > 0) {
+      memo = func.apply(this, arguments);
+    }
+    if (times <= 1) func = null;
+    return memo;
+  };
+}

node_modules/underscore/modules/bind.js

@@ -0,0 +1,13 @@
+import restArguments from './restArguments.js';
+import isFunction from './isFunction.js';
+import executeBound from './_executeBound.js';
+
+// Create a function bound to a given object (assigning `this`, and arguments,
+// optionally).
+export default restArguments(function(func, context, args) {
+  if (!isFunction(func)) throw new TypeError('Bind must be called on a function');
+  var bound = restArguments(function(callArgs) {
+    return executeBound(func, bound, context, this, args.concat(callArgs));
+  });
+  return bound;
+});

node_modules/underscore/modules/bindAll.js

@@ -0,0 +1,17 @@
+import restArguments from './restArguments.js';
+import flatten from './_flatten.js';
+import bind from './bind.js';
+
+// Bind a number of an object's methods to that object. Remaining arguments
+// are the method names to be bound. Useful for ensuring that all callbacks
+// defined on an object belong to it.
+export default restArguments(function(obj, keys) {
+  keys = flatten(keys, false, false);
+  var index = keys.length;
+  if (index < 1) throw new Error('bindAll must be passed function names');
+  while (index--) {
+    var key = keys[index];
+    obj[key] = bind(obj[key], obj);
+  }
+  return obj;
+});

node_modules/underscore/modules/chain.js

@@ -0,0 +1,8 @@
+import _ from './underscore.js';
+
+// Start chaining a wrapped Underscore object.
+export default function chain(obj) {
+  var instance = _(obj);
+  instance._chain = true;
+  return instance;
+}

node_modules/underscore/modules/chunk.js

@@ -0,0 +1,13 @@
+import { slice } from './_setup.js';
+
+// Chunk a single array into multiple arrays, each containing `count` or fewer
+// items.
+export default function chunk(array, count) {
+  if (count == null || count < 1) return [];
+  var result = [];
+  var i = 0, length = array.length;
+  while (i < length) {
+    result.push(slice.call(array, i, i += count));
+  }
+  return result;
+}

node_modules/underscore/modules/clone.js

@@ -0,0 +1,9 @@
+import isObject from './isObject.js';
+import isArray from './isArray.js';
+import extend from './extend.js';
+
+// Create a (shallow-cloned) duplicate of an object.
+export default function clone(obj) {
+  if (!isObject(obj)) return obj;
+  return isArray(obj) ? obj.slice() : extend({}, obj);
+}

node_modules/underscore/modules/compact.js

@@ -0,0 +1,6 @@
+import filter from './filter.js';
+
+// Trim out all falsy values from an array.
+export default function compact(array) {
+  return filter(array, Boolean);
+}

node_modules/underscore/modules/compose.js

@@ -0,0 +1,12 @@
+// Returns a function that is the composition of a list of functions, each
+// consuming the return value of the function that follows.
+export default function compose() {
+  var args = arguments;
+  var start = args.length - 1;
+  return function() {
+    var i = start;
+    var result = args[start].apply(this, arguments);
+    while (i--) result = args[i].call(this, result);
+    return result;
+  };
+}

node_modules/underscore/modules/constant.js

@@ -0,0 +1,6 @@
+// Predicate-generating function. Often useful outside of Underscore.
+export default function constant(value) {
+  return function() {
+    return value;
+  };
+}

node_modules/underscore/modules/contains.js

@@ -0,0 +1,10 @@
+import isArrayLike from './_isArrayLike.js';
+import values from './values.js';
+import indexOf from './indexOf.js';
+
+// Determine if the array or object contains a given item (using `===`).
+export default function contains(obj, item, fromIndex, guard) {
+  if (!isArrayLike(obj)) obj = values(obj);
+  if (typeof fromIndex != 'number' || guard) fromIndex = 0;
+  return indexOf(obj, item, fromIndex) >= 0;
+}

node_modules/underscore/modules/countBy.js

@@ -0,0 +1,9 @@
+import group from './_group.js';
+import has from './_has.js';
+
+// Counts instances of an object that group by a certain criterion. Pass
+// either a string attribute to count by, or a function that returns the
+// criterion.
+export default group(function(result, value, key) {
+  if (has(result, key)) result[key]++; else result[key] = 1;
+});

node_modules/underscore/modules/create.js

@@ -0,0 +1,11 @@
+import baseCreate from './_baseCreate.js';
+import extendOwn from './extendOwn.js';
+
+// Creates an object that inherits from the given prototype object.
+// If additional properties are provided then they will be added to the
+// created object.
+export default function create(prototype, props) {
+  var result = baseCreate(prototype);
+  if (props) extendOwn(result, props);
+  return result;
+}

node_modules/underscore/modules/debounce.js

@@ -0,0 +1,40 @@
+import restArguments from './restArguments.js';
+import now from './now.js';
+
+// When a sequence of calls of the returned function ends, the argument
+// function is triggered. The end of a sequence is defined by the `wait`
+// parameter. If `immediate` is passed, the argument function will be
+// triggered at the beginning of the sequence instead of at the end.
+export default function debounce(func, wait, immediate) {
+  var timeout, previous, args, result, context;
+
+  var later = function() {
+    var passed = now() - previous;
+    if (wait > passed) {
+      timeout = setTimeout(later, wait - passed);
+    } else {
+      timeout = null;
+      if (!immediate) result = func.apply(context, args);
+      // This check is needed because `func` can recursively invoke `debounced`.
+      if (!timeout) args = context = null;
+    }
+  };
+
+  var debounced = restArguments(function(_args) {
+    context = this;
+    args = _args;
+    previous = now();
+    if (!timeout) {
+      timeout = setTimeout(later, wait);
+      if (immediate) result = func.apply(context, args);
+    }
+    return result;
+  });
+
+  debounced.cancel = function() {
+    clearTimeout(timeout);
+    timeout = args = context = null;
+  };
+
+  return debounced;
+}

node_modules/underscore/modules/defaults.js

@@ -0,0 +1,5 @@
+import createAssigner from './_createAssigner.js';
+import allKeys from './allKeys.js';
+
+// Fill in a given object with default properties.
+export default createAssigner(allKeys, true);

node_modules/underscore/modules/defer.js

@@ -0,0 +1,7 @@
+import partial from './partial.js';
+import delay from './delay.js';
+import _ from './underscore.js';
+
+// Defers a function, scheduling it to run after the current call stack has
+// cleared.
+export default partial(delay, _, 1);

node_modules/underscore/modules/delay.js

@@ -0,0 +1,9 @@
+import restArguments from './restArguments.js';
+
+// Delays a function for the given number of milliseconds, and then calls
+// it with the arguments supplied.
+export default restArguments(function(func, wait, args) {
+  return setTimeout(function() {
+    return func.apply(null, args);
+  }, wait);
+});

node_modules/underscore/modules/difference.js

@@ -0,0 +1,13 @@
+import restArguments from './restArguments.js';
+import flatten from './_flatten.js';
+import filter from './filter.js';
+import contains from './contains.js';
+
+// Take the difference between one array and a number of other arrays.
+// Only the elements present in just the first array will remain.
+export default restArguments(function(array, rest) {
+  rest = flatten(rest, true, true);
+  return filter(array, function(value){
+    return !contains(rest, value);
+  });
+});

node_modules/underscore/modules/each.js

@@ -0,0 +1,23 @@
+import optimizeCb from './_optimizeCb.js';
+import isArrayLike from './_isArrayLike.js';
+import keys from './keys.js';
+
+// The cornerstone for collection functions, an `each`
+// implementation, aka `forEach`.
+// Handles raw objects in addition to array-likes. Treats all
+// sparse array-likes as if they were dense.
+export default function each(obj, iteratee, context) {
+  iteratee = optimizeCb(iteratee, context);
+  var i, length;
+  if (isArrayLike(obj)) {
+    for (i = 0, length = obj.length; i < length; i++) {
+      iteratee(obj[i], i, obj);
+    }
+  } else {
+    var _keys = keys(obj);
+    for (i = 0, length = _keys.length; i < length; i++) {
+      iteratee(obj[_keys[i]], _keys[i], obj);
+    }
+  }
+  return obj;
+}

node_modules/underscore/modules/escape.js

@@ -0,0 +1,5 @@
+import createEscaper from './_createEscaper.js';
+import escapeMap from './_escapeMap.js';
+
+// Function for escaping strings to HTML interpolation.
+export default createEscaper(escapeMap);

node_modules/underscore/modules/every.js

@@ -0,0 +1,15 @@
+import cb from './_cb.js';
+import isArrayLike from './_isArrayLike.js';
+import keys from './keys.js';
+
+// Determine whether all of the elements pass a truth test.
+export default function every(obj, predicate, context) {
+  predicate = cb(predicate, context);
+  var _keys = !isArrayLike(obj) && keys(obj),
+      length = (_keys || obj).length;
+  for (var index = 0; index < length; index++) {
+    var currentKey = _keys ? _keys[index] : index;
+    if (!predicate(obj[currentKey], currentKey, obj)) return false;
+  }
+  return true;
+}

node_modules/underscore/modules/extend.js

@@ -0,0 +1,5 @@
+import createAssigner from './_createAssigner.js';
+import allKeys from './allKeys.js';
+
+// Extend a given object with all the properties in passed-in object(s).
+export default createAssigner(allKeys);

node_modules/underscore/modules/extendOwn.js

@@ -0,0 +1,7 @@
+import createAssigner from './_createAssigner.js';
+import keys from './keys.js';
+
+// Assigns a given object with all the own properties in the passed-in
+// object(s).
+// (https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/assign)
+export default createAssigner(keys);

node_modules/underscore/modules/filter.js

@@ -0,0 +1,12 @@
+import cb from './_cb.js';
+import each from './each.js';
+
+// Return all the elements that pass a truth test.
+export default function filter(obj, predicate, context) {
+  var results = [];
+  predicate = cb(predicate, context);
+  each(obj, function(value, index, list) {
+    if (predicate(value, index, list)) results.push(value);
+  });
+  return results;
+}

node_modules/underscore/modules/find.js

@@ -0,0 +1,10 @@
+import isArrayLike from './_isArrayLike.js';
+import findIndex from './findIndex.js';
+import findKey from './findKey.js';
+
+// Return the first value which passes a truth test.
+export default function find(obj, predicate, context) {
+  var keyFinder = isArrayLike(obj) ? findIndex : findKey;
+  var key = keyFinder(obj, predicate, context);
+  if (key !== void 0 && key !== -1) return obj[key];
+}

node_modules/underscore/modules/findIndex.js

@@ -0,0 +1,4 @@
+import createPredicateIndexFinder from './_createPredicateIndexFinder.js';
+
+// Returns the first index on an array-like that passes a truth test.
+export default createPredicateIndexFinder(1);

node_modules/underscore/modules/findKey.js

@@ -0,0 +1,12 @@
+import cb from './_cb.js';
+import keys from './keys.js';
+
+// Returns the first key on an object that passes a truth test.
+export default function findKey(obj, predicate, context) {
+  predicate = cb(predicate, context);
+  var _keys = keys(obj), key;
+  for (var i = 0, length = _keys.length; i < length; i++) {
+    key = _keys[i];
+    if (predicate(obj[key], key, obj)) return key;
+  }
+}

node_modules/underscore/modules/findLastIndex.js

@@ -0,0 +1,4 @@
+import createPredicateIndexFinder from './_createPredicateIndexFinder.js';
+
+// Returns the last index on an array-like that passes a truth test.
+export default createPredicateIndexFinder(-1);

node_modules/underscore/modules/findWhere.js

@@ -0,0 +1,8 @@
+import find from './find.js';
+import matcher from './matcher.js';
+
+// Convenience version of a common use case of `_.find`: getting the first
+// object containing specific `key:value` pairs.
+export default function findWhere(obj, attrs) {
+  return find(obj, matcher(attrs));
+}

node_modules/underscore/modules/first.js

@@ -0,0 +1,9 @@
+import initial from './initial.js';
+
+// Get the first element of an array. Passing **n** will return the first N
+// values in the array. The **guard** check allows it to work with `_.map`.
+export default function first(array, n, guard) {
+  if (array == null || array.length < 1) return n == null || guard ? void 0 : [];
+  if (n == null || guard) return array[0];
+  return initial(array, array.length - n);
+}

node_modules/underscore/modules/flatten.js

@@ -0,0 +1,7 @@
+import _flatten from './_flatten.js';
+
+// Flatten out an array, either recursively (by default), or up to `depth`.
+// Passing `true` or `false` as `depth` means `1` or `Infinity`, respectively.
+export default function flatten(array, depth) {
+  return _flatten(array, depth, false);
+}

node_modules/underscore/modules/functions.js

@@ -0,0 +1,10 @@
+import isFunction from './isFunction.js';
+
+// Return a sorted list of the function names available on the object.
+export default function functions(obj) {
+  var names = [];
+  for (var key in obj) {
+    if (isFunction(obj[key])) names.push(key);
+  }
+  return names.sort();
+}

node_modules/underscore/modules/get.js

@@ -0,0 +1,12 @@
+import toPath from './_toPath.js';
+import deepGet from './_deepGet.js';
+import isUndefined from './isUndefined.js';
+
+// Get the value of the (deep) property on `path` from `object`.
+// If any property in `path` does not exist or if the value is
+// `undefined`, return `defaultValue` instead.
+// The `path` is normalized through `_.toPath`.
+export default function get(object, path, defaultValue) {
+  var value = deepGet(object, toPath(path));
+  return isUndefined(value) ? defaultValue : value;
+}

node_modules/underscore/modules/groupBy.js

@@ -0,0 +1,8 @@
+import group from './_group.js';
+import has from './_has.js';
+
+// Groups the object's values by a criterion. Pass either a string attribute
+// to group by, or a function that returns the criterion.
+export default group(function(result, value, key) {
+  if (has(result, key)) result[key].push(value); else result[key] = [value];
+});

node_modules/underscore/modules/has.js

@@ -0,0 +1,16 @@
+import _has from './_has.js';
+import toPath from './_toPath.js';
+
+// Shortcut function for checking if an object has a given property directly on
+// itself (in other words, not on a prototype). Unlike the internal `has`
+// function, this public version can also traverse nested properties.
+export default function has(obj, path) {
+  path = toPath(path);
+  var length = path.length;
+  for (var i = 0; i < length; i++) {
+    var key = path[i];
+    if (!_has(obj, key)) return false;
+    obj = obj[key];
+  }
+  return !!length;
+}

node_modules/underscore/modules/identity.js

@@ -0,0 +1,4 @@
+// Keep the identity function around for default iteratees.
+export default function identity(value) {
+  return value;
+}

node_modules/underscore/modules/index-all.js

@@ -0,0 +1,18 @@
+// ESM Exports
+// ===========
+// This module is the package entry point for ES module users. In other words,
+// it is the module they are interfacing with when they import from the whole
+// package instead of from a submodule, like this:
+//
+// ```js
+// import { map } from 'underscore';
+// ```
+//
+// The difference with `./index-default`, which is the package entry point for
+// CommonJS, AMD and UMD users, is purely technical. In ES modules, named and
+// default exports are considered to be siblings, so when you have a default
+// export, its properties are not automatically available as named exports. For
+// this reason, we re-export the named exports in addition to providing the same
+// default export as in `./index-default`.
+export { default } from './index-default.js';
+export * from './index.js';

node_modules/underscore/modules/index-default.js

@@ -0,0 +1,27 @@
+// Default Export
+// ==============
+// In this module, we mix our bundled exports into the `_` object and export
+// the result. This is analogous to setting `module.exports = _` in CommonJS.
+// Hence, this module is also the entry point of our UMD bundle and the package
+// entry point for CommonJS and AMD users. In other words, this is (the source
+// of) the module you are interfacing with when you do any of the following:
+//
+// ```js
+// // CommonJS
+// var _ = require('underscore');
+//
+// // AMD
+// define(['underscore'], function(_) {...});
+//
+// // UMD in the browser
+// // _ is available as a global variable
+// ```
+import * as allExports from './index.js';
+import { mixin } from './index.js';
+
+// Add all of the Underscore functions to the wrapper object.
+var _ = mixin(allExports);
+// Legacy Node.js API.
+_._ = _;
+// Export the Underscore API.
+export default _;

node_modules/underscore/modules/index.js

@@ -0,0 +1,200 @@
+// Named Exports
+// =============
+
+//     Underscore.js 1.13.6
+//     https://underscorejs.org
+//     (c) 2009-2022 Jeremy Ashkenas, Julian Gonggrijp, and DocumentCloud and Investigative Reporters & Editors
+//     Underscore may be freely distributed under the MIT license.
+
+// Baseline setup.
+export { VERSION } from './_setup.js';
+export { default as restArguments } from './restArguments.js';
+
+// Object Functions
+// ----------------
+// Our most fundamental functions operate on any JavaScript object.
+// Most functions in Underscore depend on at least one function in this section.
+
+// A group of functions that check the types of core JavaScript values.
+// These are often informally referred to as the "isType" functions.
+export { default as isObject } from './isObject.js';
+export { default as isNull } from './isNull.js';
+export { default as isUndefined } from './isUndefined.js';
+export { default as isBoolean } from './isBoolean.js';
+export { default as isElement } from './isElement.js';
+export { default as isString } from './isString.js';
+export { default as isNumber } from './isNumber.js';
+export { default as isDate } from './isDate.js';
+export { default as isRegExp } from './isRegExp.js';
+export { default as isError } from './isError.js';
+export { default as isSymbol } from './isSymbol.js';
+export { default as isArrayBuffer } from './isArrayBuffer.js';
+export { default as isDataView } from './isDataView.js';
+export { default as isArray } from './isArray.js';
+export { default as isFunction } from './isFunction.js';
+export { default as isArguments } from './isArguments.js';
+export { default as isFinite } from './isFinite.js';
+export { default as isNaN } from './isNaN.js';
+export { default as isTypedArray } from './isTypedArray.js';
+export { default as isEmpty } from './isEmpty.js';
+export { default as isMatch } from './isMatch.js';
+export { default as isEqual } from './isEqual.js';
+export { default as isMap } from './isMap.js';
+export { default as isWeakMap } from './isWeakMap.js';
+export { default as isSet } from './isSet.js';
+export { default as isWeakSet } from './isWeakSet.js';
+
+// Functions that treat an object as a dictionary of key-value pairs.
+export { default as keys } from './keys.js';
+export { default as allKeys } from './allKeys.js';
+export { default as values } from './values.js';
+export { default as pairs } from './pairs.js';
+export { default as invert } from './invert.js';
+export { default as functions,
+         default as methods   } from './functions.js';
+export { default as extend } from './extend.js';
+export { default as extendOwn,
+         default as assign    } from './extendOwn.js';
+export { default as defaults } from './defaults.js';
+export { default as create } from './create.js';
+export { default as clone } from './clone.js';
+export { default as tap } from './tap.js';
+export { default as get } from './get.js';
+export { default as has } from './has.js';
+export { default as mapObject } from './mapObject.js';
+
+// Utility Functions
+// -----------------
+// A bit of a grab bag: Predicate-generating functions for use with filters and
+// loops, string escaping and templating, create random numbers and unique ids,
+// and functions that facilitate Underscore's chaining and iteration conventions.
+export { default as identity } from './identity.js';
+export { default as constant } from './constant.js';
+export { default as noop } from './noop.js';
+export { default as toPath } from './toPath.js';
+export { default as property } from './property.js';
+export { default as propertyOf } from './propertyOf.js';
+export { default as matcher,
+         default as matches } from './matcher.js';
+export { default as times } from './times.js';
+export { default as random } from './random.js';
+export { default as now } from './now.js';
+export { default as escape } from './escape.js';
+export { default as unescape } from './unescape.js';
+export { default as templateSettings } from './templateSettings.js';
+export { default as template } from './template.js';
+export { default as result } from './result.js';
+export { default as uniqueId } from './uniqueId.js';
+export { default as chain } from './chain.js';
+export { default as iteratee } from './iteratee.js';
+
+// Function (ahem) Functions
+// -------------------------
+// These functions take a function as an argument and return a new function
+// as the result. Also known as higher-order functions.
+export { default as partial } from './partial.js';
+export { default as bind } from './bind.js';
+export { default as bindAll } from './bindAll.js';
+export { default as memoize } from './memoize.js';
+export { default as delay } from './delay.js';
+export { default as defer } from './defer.js';
+export { default as throttle } from './throttle.js';
+export { default as debounce } from './debounce.js';
+export { default as wrap } from './wrap.js';
+export { default as negate } from './negate.js';
+export { default as compose } from './compose.js';
+export { default as after } from './after.js';
+export { default as before } from './before.js';
+export { default as once } from './once.js';
+
+// Finders
+// -------
+// Functions that extract (the position of) a single element from an object
+// or array based on some criterion.
+export { default as findKey } from './findKey.js';
+export { default as findIndex } from './findIndex.js';
+export { default as findLastIndex } from './findLastIndex.js';
+export { default as sortedIndex } from './sortedIndex.js';
+export { default as indexOf } from './indexOf.js';
+export { default as lastIndexOf } from './lastIndexOf.js';
+export { default as find,
+         default as detect } from './find.js';
+export { default as findWhere } from './findWhere.js';
+
+// Collection Functions
+// --------------------
+// Functions that work on any collection of elements: either an array, or
+// an object of key-value pairs.
+export { default as each,
+         default as forEach } from './each.js';
+export { default as map,
+         default as collect } from './map.js';
+export { default as reduce,
+         default as foldl,
+         default as inject } from './reduce.js';
+export { default as reduceRight,
+         default as foldr       } from './reduceRight.js';
+export { default as filter,
+         default as select } from './filter.js';
+export { default as reject } from './reject.js';
+export { default as every,
+         default as all   } from './every.js';
+export { default as some,
+         default as any  } from './some.js';
+export { default as contains,
+         default as includes,
+         default as include  } from './contains.js';
+export { default as invoke } from './invoke.js';
+export { default as pluck } from './pluck.js';
+export { default as where } from './where.js';
+export { default as max } from './max.js';
+export { default as min } from './min.js';
+export { default as shuffle } from './shuffle.js';
+export { default as sample } from './sample.js';
+export { default as sortBy } from './sortBy.js';
+export { default as groupBy } from './groupBy.js';
+export { default as indexBy } from './indexBy.js';
+export { default as countBy } from './countBy.js';
+export { default as partition } from './partition.js';
+export { default as toArray } from './toArray.js';
+export { default as size } from './size.js';
+
+// `_.pick` and `_.omit` are actually object functions, but we put
+// them here in order to create a more natural reading order in the
+// monolithic build as they depend on `_.contains`.
+export { default as pick } from './pick.js';
+export { default as omit } from './omit.js';
+
+// Array Functions
+// ---------------
+// Functions that operate on arrays (and array-likes) only, because they’re
+// expressed in terms of operations on an ordered list of values.
+export { default as first,
+         default as head,
+         default as take  } from './first.js';
+export { default as initial } from './initial.js';
+export { default as last } from './last.js';
+export { default as rest,
+         default as tail,
+         default as drop } from './rest.js';
+export { default as compact } from './compact.js';
+export { default as flatten } from './flatten.js';
+export { default as without } from './without.js';
+export { default as uniq,
+         default as unique } from './uniq.js';
+export { default as union } from './union.js';
+export { default as intersection } from './intersection.js';
+export { default as difference } from './difference.js';
+export { default as unzip,
+         default as transpose } from './unzip.js';
+export { default as zip } from './zip.js';
+export { default as object } from './object.js';
+export { default as range } from './range.js';
+export { default as chunk } from './chunk.js';
+
+// OOP
+// ---
+// These modules support the "object-oriented" calling style. See also
+// `underscore.js` and `index-default.js`.
+export { default as mixin } from './mixin.js';
+export { default } from './underscore-array-methods.js';

node_modules/underscore/modules/indexBy.js

@@ -0,0 +1,7 @@
+import group from './_group.js';
+
+// Indexes the object's values by a criterion, similar to `_.groupBy`, but for
+// when you know that your index values will be unique.
+export default group(function(result, value, key) {
+  result[key] = value;
+});

node_modules/underscore/modules/indexOf.js

@@ -0,0 +1,9 @@
+import sortedIndex from './sortedIndex.js';
+import findIndex from './findIndex.js';
+import createIndexFinder from './_createIndexFinder.js';
+
+// Return the position of the first occurrence of an item in an array,
+// or -1 if the item is not included in the array.
+// If the array is large and already in sort order, pass `true`
+// for **isSorted** to use binary search.
+export default createIndexFinder(1, findIndex, sortedIndex);

node_modules/underscore/modules/initial.js

@@ -0,0 +1,8 @@
+import { slice } from './_setup.js';
+
+// Returns everything but the last entry of the array. Especially useful on
+// the arguments object. Passing **n** will return all the values in
+// the array, excluding the last N.
+export default function initial(array, n, guard) {
+  return slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n)));
+}

node_modules/underscore/modules/intersection.js

@@ -0,0 +1,19 @@
+import getLength from './_getLength.js';
+import contains from './contains.js';
+
+// Produce an array that contains every item shared between all the
+// passed-in arrays.
+export default function intersection(array) {
+  var result = [];
+  var argsLength = arguments.length;
+  for (var i = 0, length = getLength(array); i < length; i++) {
+    var item = array[i];
+    if (contains(result, item)) continue;
+    var j;
+    for (j = 1; j < argsLength; j++) {
+      if (!contains(arguments[j], item)) break;
+    }
+    if (j === argsLength) result.push(item);
+  }
+  return result;
+}

node_modules/underscore/modules/invert.js

@@ -0,0 +1,11 @@
+import keys from './keys.js';
+
+// Invert the keys and values of an object. The values must be serializable.
+export default function invert(obj) {
+  var result = {};
+  var _keys = keys(obj);
+  for (var i = 0, length = _keys.length; i < length; i++) {
+    result[obj[_keys[i]]] = _keys[i];
+  }
+  return result;
+}

node_modules/underscore/modules/invoke.js

@@ -0,0 +1,28 @@
+import restArguments from './restArguments.js';
+import isFunction from './isFunction.js';
+import map from './map.js';
+import deepGet from './_deepGet.js';
+import toPath from './_toPath.js';
+
+// Invoke a method (with arguments) on every item in a collection.
+export default restArguments(function(obj, path, args) {
+  var contextPath, func;
+  if (isFunction(path)) {
+    func = path;
+  } else {
+    path = toPath(path);
+    contextPath = path.slice(0, -1);
+    path = path[path.length - 1];
+  }
+  return map(obj, function(context) {
+    var method = func;
+    if (!method) {
+      if (contextPath && contextPath.length) {
+        context = deepGet(context, contextPath);
+      }
+      if (context == null) return void 0;
+      method = context[path];
+    }
+    return method == null ? method : method.apply(context, args);
+  });
+});

node_modules/underscore/modules/isArguments.js

@@ -0,0 +1,16 @@
+import tagTester from './_tagTester.js';
+import has from './_has.js';
+
+var isArguments = tagTester('Arguments');
+
+// Define a fallback version of the method in browsers (ahem, IE < 9), where
+// there isn't any inspectable "Arguments" type.
+(function() {
+  if (!isArguments(arguments)) {
+    isArguments = function(obj) {
+      return has(obj, 'callee');
+    };
+  }
+}());
+
+export default isArguments;

node_modules/underscore/modules/isArray.js

@@ -0,0 +1,6 @@
+import { nativeIsArray } from './_setup.js';
+import tagTester from './_tagTester.js';
+
+// Is a given value an array?
+// Delegates to ECMA5's native `Array.isArray`.
+export default nativeIsArray || tagTester('Array');

node_modules/underscore/modules/isArrayBuffer.js

@@ -0,0 +1,3 @@
+import tagTester from './_tagTester.js';
+
+export default tagTester('ArrayBuffer');

node_modules/underscore/modules/isBoolean.js

@@ -0,0 +1,6 @@
+import { toString } from './_setup.js';
+
+// Is a given value a boolean?
+export default function isBoolean(obj) {
+  return obj === true || obj === false || toString.call(obj) === '[object Boolean]';
+}

node_modules/underscore/modules/isDataView.js

@@ -0,0 +1,14 @@
+import tagTester from './_tagTester.js';
+import isFunction from './isFunction.js';
+import isArrayBuffer from './isArrayBuffer.js';
+import { hasStringTagBug } from './_stringTagBug.js';
+
+var isDataView = tagTester('DataView');
+
+// In IE 10 - Edge 13, we need a different heuristic
+// to determine whether an object is a `DataView`.
+function ie10IsDataView(obj) {
+  return obj != null && isFunction(obj.getInt8) && isArrayBuffer(obj.buffer);
+}
+
+export default (hasStringTagBug ? ie10IsDataView : isDataView);

node_modules/underscore/modules/isDate.js

@@ -0,0 +1,3 @@
+import tagTester from './_tagTester.js';
+
+export default tagTester('Date');

node_modules/underscore/modules/isElement.js

@@ -0,0 +1,4 @@
+// Is a given value a DOM element?
+export default function isElement(obj) {
+  return !!(obj && obj.nodeType === 1);
+}

node_modules/underscore/modules/isEmpty.js

@@ -0,0 +1,18 @@
+import getLength from './_getLength.js';
+import isArray from './isArray.js';
+import isString from './isString.js';
+import isArguments from './isArguments.js';
+import keys from './keys.js';
+
+// Is a given array, string, or object empty?
+// An "empty" object has no enumerable own-properties.
+export default function isEmpty(obj) {
+  if (obj == null) return true;
+  // Skip the more expensive `toString`-based type checks if `obj` has no
+  // `.length`.
+  var length = getLength(obj);
+  if (typeof length == 'number' && (
+    isArray(obj) || isString(obj) || isArguments(obj)
+  )) return length === 0;
+  return getLength(keys(obj)) === 0;
+}

node_modules/underscore/modules/isEqual.js

@@ -0,0 +1,138 @@
+import _ from './underscore.js';
+import { toString, SymbolProto } from './_setup.js';
+import getByteLength from './_getByteLength.js';
+import isTypedArray from './isTypedArray.js';
+import isFunction from './isFunction.js';
+import { hasStringTagBug }  from './_stringTagBug.js';
+import isDataView from './isDataView.js';
+import keys from './keys.js';
+import has from './_has.js';
+import toBufferView from './_toBufferView.js';
+
+// We use this string twice, so give it a name for minification.
+var tagDataView = '[object DataView]';
+
+// Internal recursive comparison function for `_.isEqual`.
+function eq(a, b, aStack, bStack) {
+  // Identical objects are equal. `0 === -0`, but they aren't identical.
+  // See the [Harmony `egal` proposal](https://wiki.ecmascript.org/doku.php?id=harmony:egal).
+  if (a === b) return a !== 0 || 1 / a === 1 / b;
+  // `null` or `undefined` only equal to itself (strict comparison).
+  if (a == null || b == null) return false;
+  // `NaN`s are equivalent, but non-reflexive.
+  if (a !== a) return b !== b;
+  // Exhaust primitive checks
+  var type = typeof a;
+  if (type !== 'function' && type !== 'object' && typeof b != 'object') return false;
+  return deepEq(a, b, aStack, bStack);
+}
+
+// Internal recursive comparison function for `_.isEqual`.
+function deepEq(a, b, aStack, bStack) {
+  // Unwrap any wrapped objects.
+  if (a instanceof _) a = a._wrapped;
+  if (b instanceof _) b = b._wrapped;
+  // Compare `[[Class]]` names.
+  var className = toString.call(a);
+  if (className !== toString.call(b)) return false;
+  // Work around a bug in IE 10 - Edge 13.
+  if (hasStringTagBug && className == '[object Object]' && isDataView(a)) {
+    if (!isDataView(b)) return false;
+    className = tagDataView;
+  }
+  switch (className) {
+    // These types are compared by value.
+    case '[object RegExp]':
+      // RegExps are coerced to strings for comparison (Note: '' + /a/i === '/a/i')
+    case '[object String]':
+      // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
+      // equivalent to `new String("5")`.
+      return '' + a === '' + b;
+    case '[object Number]':
+      // `NaN`s are equivalent, but non-reflexive.
+      // Object(NaN) is equivalent to NaN.
+      if (+a !== +a) return +b !== +b;
+      // An `egal` comparison is performed for other numeric values.
+      return +a === 0 ? 1 / +a === 1 / b : +a === +b;
+    case '[object Date]':
+    case '[object Boolean]':
+      // Coerce dates and booleans to numeric primitive values. Dates are compared by their
+      // millisecond representations. Note that invalid dates with millisecond representations
+      // of `NaN` are not equivalent.
+      return +a === +b;
+    case '[object Symbol]':
+      return SymbolProto.valueOf.call(a) === SymbolProto.valueOf.call(b);
+    case '[object ArrayBuffer]':
+    case tagDataView:
+      // Coerce to typed array so we can fall through.
+      return deepEq(toBufferView(a), toBufferView(b), aStack, bStack);
+  }
+
+  var areArrays = className === '[object Array]';
+  if (!areArrays && isTypedArray(a)) {
+      var byteLength = getByteLength(a);
+      if (byteLength !== getByteLength(b)) return false;
+      if (a.buffer === b.buffer && a.byteOffset === b.byteOffset) return true;
+      areArrays = true;
+  }
+  if (!areArrays) {
+    if (typeof a != 'object' || typeof b != 'object') return false;
+
+    // Objects with different constructors are not equivalent, but `Object`s or `Array`s
+    // from different frames are.
+    var aCtor = a.constructor, bCtor = b.constructor;
+    if (aCtor !== bCtor && !(isFunction(aCtor) && aCtor instanceof aCtor &&
+                             isFunction(bCtor) && bCtor instanceof bCtor)
+                        && ('constructor' in a && 'constructor' in b)) {
+      return false;
+    }
+  }
+  // Assume equality for cyclic structures. The algorithm for detecting cyclic
+  // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
+
+  // Initializing stack of traversed objects.
+  // It's done here since we only need them for objects and arrays comparison.
+  aStack = aStack || [];
+  bStack = bStack || [];
+  var length = aStack.length;
+  while (length--) {
+    // Linear search. Performance is inversely proportional to the number of
+    // unique nested structures.
+    if (aStack[length] === a) return bStack[length] === b;
+  }
+
+  // Add the first object to the stack of traversed objects.
+  aStack.push(a);
+  bStack.push(b);
+
+  // Recursively compare objects and arrays.
+  if (areArrays) {
+    // Compare array lengths to determine if a deep comparison is necessary.
+    length = a.length;
+    if (length !== b.length) return false;
+    // Deep compare the contents, ignoring non-numeric properties.
+    while (length--) {
+      if (!eq(a[length], b[length], aStack, bStack)) return false;
+    }
+  } else {
+    // Deep compare objects.
+    var _keys = keys(a), key;
+    length = _keys.length;
+    // Ensure that both objects contain the same number of properties before comparing deep equality.
+    if (keys(b).length !== length) return false;
+    while (length--) {
+      // Deep compare each member
+      key = _keys[length];
+      if (!(has(b, key) && eq(a[key], b[key], aStack, bStack))) return false;
+    }
+  }
+  // Remove the first object from the stack of traversed objects.
+  aStack.pop();
+  bStack.pop();
+  return true;
+}
+
+// Perform a deep comparison to check if two objects are equal.
+export default function isEqual(a, b) {
+  return eq(a, b);
+}

node_modules/underscore/modules/isError.js

@@ -0,0 +1,3 @@
+import tagTester from './_tagTester.js';
+
+export default tagTester('Error');

node_modules/underscore/modules/isFinite.js

@@ -0,0 +1,7 @@
+import { _isFinite } from './_setup.js';
+import isSymbol from './isSymbol.js';
+
+// Is a given object a finite number?
+export default function isFinite(obj) {
+  return !isSymbol(obj) && _isFinite(obj) && !isNaN(parseFloat(obj));
+}

node_modules/underscore/modules/isFunction.js

@@ -0,0 +1,15 @@
+import tagTester from './_tagTester.js';
+import { root } from './_setup.js';
+
+var isFunction = tagTester('Function');
+
+// Optimize `isFunction` if appropriate. Work around some `typeof` bugs in old
+// v8, IE 11 (#1621), Safari 8 (#1929), and PhantomJS (#2236).
+var nodelist = root.document && root.document.childNodes;
+if (typeof /./ != 'function' && typeof Int8Array != 'object' && typeof nodelist != 'function') {
+  isFunction = function(obj) {
+    return typeof obj == 'function' || false;
+  };
+}
+
+export default isFunction;

node_modules/underscore/modules/isMap.js

@@ -0,0 +1,5 @@
+import tagTester from './_tagTester.js';
+import { isIE11 } from './_stringTagBug.js';
+import { ie11fingerprint, mapMethods }  from './_methodFingerprint.js';
+
+export default isIE11 ? ie11fingerprint(mapMethods) : tagTester('Map');

node_modules/underscore/modules/isMatch.js

@@ -0,0 +1,13 @@
+import keys from './keys.js';
+
+// Returns whether an object has a given set of `key:value` pairs.
+export default function isMatch(object, attrs) {
+  var _keys = keys(attrs), length = _keys.length;
+  if (object == null) return !length;
+  var obj = Object(object);
+  for (var i = 0; i < length; i++) {
+    var key = _keys[i];
+    if (attrs[key] !== obj[key] || !(key in obj)) return false;
+  }
+  return true;
+}

node_modules/underscore/modules/isNaN.js

@@ -0,0 +1,7 @@
+import { _isNaN } from './_setup.js';
+import isNumber from './isNumber.js';
+
+// Is the given value `NaN`?
+export default function isNaN(obj) {
+  return isNumber(obj) && _isNaN(obj);
+}

node_modules/underscore/modules/isNull.js

@@ -0,0 +1,4 @@
+// Is a given value equal to null?
+export default function isNull(obj) {
+  return obj === null;
+}

node_modules/underscore/modules/isNumber.js

@@ -0,0 +1,3 @@
+import tagTester from './_tagTester.js';
+
+export default tagTester('Number');

node_modules/underscore/modules/isObject.js

@@ -0,0 +1,5 @@
+// Is a given variable an object?
+export default function isObject(obj) {
+  var type = typeof obj;
+  return type === 'function' || (type === 'object' && !!obj);
+}

node_modules/underscore/modules/isRegExp.js

@@ -0,0 +1,3 @@
+import tagTester from './_tagTester.js';
+
+export default tagTester('RegExp');

node_modules/underscore/modules/isSet.js

@@ -0,0 +1,5 @@
+import tagTester from './_tagTester.js';
+import { isIE11 } from './_stringTagBug.js';
+import { ie11fingerprint, setMethods }  from './_methodFingerprint.js';
+
+export default isIE11 ? ie11fingerprint(setMethods) : tagTester('Set');

node_modules/underscore/modules/isString.js

@@ -0,0 +1,3 @@
+import tagTester from './_tagTester.js';
+
+export default tagTester('String');