added unit testing, and started implementing unit tests...phew

node_modules/@sinonjs/samsam/lib/create-set.js

@@ -0,0 +1,27 @@
+"use strict";
+
+var typeOf = require("@sinonjs/commons").typeOf;
+
+// This helper makes it convenient to create Set instances from a
+// collection, an overcomes the shortcoming that IE11 doesn't support
+// collection arguments
+//
+// See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set
+function createSet(array) {
+    if (arguments.length > 0 && !Array.isArray(array)) {
+        throw new TypeError(
+            "createSet can be called with either no arguments or an Array"
+        );
+    }
+
+    var items = typeOf(array) === "array" ? array : [];
+    var set = new Set();
+
+    items.forEach(function(item) {
+        set.add(item);
+    });
+
+    return set;
+}
+
+module.exports = createSet;

node_modules/@sinonjs/samsam/lib/deep-equal-benchmark.js

@@ -0,0 +1,74 @@
+"use strict";
+
+var Benchmark = require("benchmark");
+var deepEqual = require("./deep-equal");
+
+var suite = new Benchmark.Suite();
+var complex1 = {
+    "1e116061-59bf-433a-8ab0-017b67a51d26":
+        "a7fd22ab-e809-414f-ad55-9c97598395d8",
+    "3824e8b7-22f5-489c-9919-43b432e3af6b":
+        "548baefd-f43c-4dc9-9df5-f7c9c96223b0",
+    "123e5750-eb66-45e5-a770-310879203b33":
+        "89ff817d-65a2-4598-b190-21c128096e6a",
+    "1d66be95-8aaa-4167-9a47-e7ee19bb0735":
+        "64349492-56e8-4100-9552-a89fb4a9aef4",
+    "f5538565-dc92-4ee4-a762-1ba5fe0528f6": {
+        "53631f78-2f2a-448f-89c7-ed3585e8e6f0":
+            "2cce00ee-f5ee-43ef-878f-958597b23225",
+        "73e8298b-72fd-4969-afc1-d891b61e744f":
+            "4e57aa30-af51-4d78-887c-019755e5d117",
+        "85439907-5b0e-4a08-8cfa-902a68dc3cc0":
+            "9639add9-6897-4cf0-b3d3-2ebf9c214f01",
+        "d4ae9d87-bd6c-47e0-95a1-6f4eb4211549":
+            "41fd3dd2-43ce-47f2-b92e-462474d07a6f",
+        "f70345a2-0ea3-45a6-bafa-8c7a72379277": {
+            "1bce714b-cd0a-417d-9a0c-bf4b7d35c0c4":
+                "3b8b0dde-e2ed-4b34-ac8d-729ba3c9667e",
+            "13e05c60-97d1-43f0-a6ef-d5247f4dd11f":
+                "60f685a4-6558-4ade-9d4b-28281c3989db",
+            "925b2609-e7b7-42f5-82cf-2d995697cec5":
+                "79115261-8161-4a6c-9487-47847276a717",
+            "52d644ac-7b33-4b79-b5b3-5afe7fd4ec2c": [
+                "3c2ae716-92f1-4a3d-b98f-50ea49f51c45",
+                "de76b822-71b3-4b5a-a041-4140378b70e2",
+                "0302a405-1d58-44fa-a0c6-dd07bb0ca26e",
+                new Date(),
+                new Error(),
+                new RegExp(),
+                // eslint-disable-next-line no-undef
+                new Map(),
+                new Set(),
+                // eslint-disable-next-line no-undef, ie11/no-weak-collections
+                new WeakMap(),
+                // eslint-disable-next-line no-undef, ie11/no-weak-collections
+                new WeakSet()
+            ]
+        }
+    }
+};
+var complex2 = Object.create(complex1);
+
+var cyclic1 = {
+    "4a092cd1-225e-4739-8331-d6564aafb702":
+        "d0cebbe0-23fb-4cc4-8fa0-ef11ceedf12e"
+};
+cyclic1.cyclicRef = cyclic1;
+
+var cyclic2 = Object.create(cyclic1);
+
+// add tests
+suite
+    .add("complex objects", function() {
+        return deepEqual(complex1, complex2);
+    })
+    .add("cyclic references", function() {
+        return deepEqual(cyclic1, cyclic2);
+    })
+    // add listeners
+    .on("cycle", function(event) {
+        // eslint-disable-next-line no-console
+        console.log(String(event.target));
+    })
+    // run async
+    .run({ async: true });

node_modules/@sinonjs/samsam/lib/deep-equal.js

@@ -0,0 +1,227 @@
+"use strict";
+
+var valueToString = require("@sinonjs/commons").valueToString;
+
+var getClass = require("./get-class");
+var identical = require("./identical");
+var isArguments = require("./is-arguments");
+var isDate = require("./is-date");
+var isElement = require("./is-element");
+var isNaN = require("./is-nan");
+var isObject = require("./is-object");
+var isSet = require("./is-set");
+var isSubset = require("./is-subset");
+var getClassName = require("./get-class-name");
+
+var every = Array.prototype.every;
+var getTime = Date.prototype.getTime;
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+var indexOf = Array.prototype.indexOf;
+var keys = Object.keys;
+var getOwnPropertySymbols = Object.getOwnPropertySymbols;
+
+/**
+ * @name samsam.deepEqual
+ * @param Object actual
+ * @param Object expectation
+ *
+ * Deep equal comparison. Two values are "deep equal" if:
+ *
+ *   - They are equal, according to samsam.identical
+ *   - They are both date objects representing the same time
+ *   - They are both arrays containing elements that are all deepEqual
+ *   - They are objects with the same set of properties, and each property
+ *     in ``actual`` is deepEqual to the corresponding property in ``expectation``
+ *
+ * Supports cyclic objects.
+ */
+function deepEqualCyclic(actual, expectation, match) {
+    // used for cyclic comparison
+    // contain already visited objects
+    var actualObjects = [];
+    var expectationObjects = [];
+    // contain pathes (position in the object structure)
+    // of the already visited objects
+    // indexes same as in objects arrays
+    var actualPaths = [];
+    var expectationPaths = [];
+    // contains combinations of already compared objects
+    // in the manner: { "$1['ref']$2['ref']": true }
+    var compared = {};
+
+    // does the recursion for the deep equal check
+    return (function deepEqual(
+        actualObj,
+        expectationObj,
+        actualPath,
+        expectationPath
+    ) {
+        // If both are matchers they must be the same instance in order to be
+        // considered equal If we didn't do that we would end up running one
+        // matcher against the other
+        if (match && match.isMatcher(expectationObj)) {
+            if (match.isMatcher(actualObj)) {
+                return actualObj === expectationObj;
+            }
+            return expectationObj.test(actualObj);
+        }
+
+        var actualType = typeof actualObj;
+        var expectationType = typeof expectationObj;
+
+        // == null also matches undefined
+        if (
+            actualObj === expectationObj ||
+            isNaN(actualObj) ||
+            isNaN(expectationObj) ||
+            actualObj == null ||
+            expectationObj == null ||
+            actualType !== "object" ||
+            expectationType !== "object"
+        ) {
+            return identical(actualObj, expectationObj);
+        }
+
+        // Elements are only equal if identical(expected, actual)
+        if (isElement(actualObj) || isElement(expectationObj)) {
+            return false;
+        }
+
+        var isActualDate = isDate(actualObj);
+        var isExpectationDate = isDate(expectationObj);
+        if (isActualDate || isExpectationDate) {
+            if (
+                !isActualDate ||
+                !isExpectationDate ||
+                getTime.call(actualObj) !== getTime.call(expectationObj)
+            ) {
+                return false;
+            }
+        }
+
+        if (actualObj instanceof RegExp && expectationObj instanceof RegExp) {
+            if (valueToString(actualObj) !== valueToString(expectationObj)) {
+                return false;
+            }
+        }
+
+        if (actualObj instanceof Error && expectationObj instanceof Error) {
+            return actualObj === expectationObj;
+        }
+
+        var actualClass = getClass(actualObj);
+        var expectationClass = getClass(expectationObj);
+        var actualKeys = keys(actualObj);
+        var expectationKeys = keys(expectationObj);
+        var actualName = getClassName(actualObj);
+        var expectationName = getClassName(expectationObj);
+        var expectationSymbols =
+            typeof Object.getOwnPropertySymbols === "function"
+                ? getOwnPropertySymbols(expectationObj)
+                : [];
+        var expectationKeysAndSymbols = expectationKeys.concat(
+            expectationSymbols
+        );
+
+        if (isArguments(actualObj) || isArguments(expectationObj)) {
+            if (actualObj.length !== expectationObj.length) {
+                return false;
+            }
+        } else {
+            if (
+                actualType !== expectationType ||
+                actualClass !== expectationClass ||
+                actualKeys.length !== expectationKeys.length ||
+                (actualName &&
+                    expectationName &&
+                    actualName !== expectationName)
+            ) {
+                return false;
+            }
+        }
+
+        if (isSet(actualObj) || isSet(expectationObj)) {
+            if (
+                !isSet(actualObj) ||
+                !isSet(expectationObj) ||
+                actualObj.size !== expectationObj.size
+            ) {
+                return false;
+            }
+
+            return isSubset(actualObj, expectationObj, deepEqual);
+        }
+
+        return every.call(expectationKeysAndSymbols, function(key) {
+            if (!hasOwnProperty.call(actualObj, key)) {
+                return false;
+            }
+
+            var actualValue = actualObj[key];
+            var expectationValue = expectationObj[key];
+            var actualObject = isObject(actualValue);
+            var expectationObject = isObject(expectationValue);
+            // determines, if the objects were already visited
+            // (it's faster to check for isObject first, than to
+            // get -1 from getIndex for non objects)
+            var actualIndex = actualObject
+                ? indexOf.call(actualObjects, actualValue)
+                : -1;
+            var expectationIndex = expectationObject
+                ? indexOf.call(expectationObjects, expectationValue)
+                : -1;
+            // determines the new paths of the objects
+            // - for non cyclic objects the current path will be extended
+            //   by current property name
+            // - for cyclic objects the stored path is taken
+            var newActualPath =
+                actualIndex !== -1
+                    ? actualPaths[actualIndex]
+                    : actualPath + "[" + JSON.stringify(key) + "]";
+            var newExpectationPath =
+                expectationIndex !== -1
+                    ? expectationPaths[expectationIndex]
+                    : expectationPath + "[" + JSON.stringify(key) + "]";
+            var combinedPath = newActualPath + newExpectationPath;
+
+            // stop recursion if current objects are already compared
+            if (compared[combinedPath]) {
+                return true;
+            }
+
+            // remember the current objects and their paths
+            if (actualIndex === -1 && actualObject) {
+                actualObjects.push(actualValue);
+                actualPaths.push(newActualPath);
+            }
+            if (expectationIndex === -1 && expectationObject) {
+                expectationObjects.push(expectationValue);
+                expectationPaths.push(newExpectationPath);
+            }
+
+            // remember that the current objects are already compared
+            if (actualObject && expectationObject) {
+                compared[combinedPath] = true;
+            }
+
+            // End of cyclic logic
+
+            // neither actualValue nor expectationValue is a cycle
+            // continue with next level
+            return deepEqual(
+                actualValue,
+                expectationValue,
+                newActualPath,
+                newExpectationPath
+            );
+        });
+    })(actual, expectation, "$1", "$2");
+}
+
+deepEqualCyclic.use = function(match) {
+    return function(a, b) {
+        return deepEqualCyclic(a, b, match);
+    };
+};
+
+module.exports = deepEqualCyclic;

node_modules/@sinonjs/samsam/lib/get-class-name.js

@@ -0,0 +1,22 @@
+"use strict";
+
+var valueToString = require("@sinonjs/commons").valueToString;
+
+var re = /function (\w+)\s*\(/;
+
+function getClassName(value) {
+    if (value.constructor && "name" in value.constructor) {
+        return value.constructor.name;
+    }
+
+    if (typeof value.constructor === "function") {
+        var match = valueToString(value.constructor).match(re);
+        if (match.length > 1) {
+            return match[1];
+        }
+    }
+
+    return null;
+}
+
+module.exports = getClassName;

node_modules/@sinonjs/samsam/lib/get-class.js

@@ -0,0 +1,12 @@
+"use strict";
+
+var o = Object.prototype;
+
+function getClass(value) {
+    // Returns the internal [[Class]] by calling Object.prototype.toString
+    // with the provided value as this. Return value is a string, naming the
+    // internal class, e.g. "Array"
+    return o.toString.call(value).split(/[ \]]/)[1];
+}
+
+module.exports = getClass;

node_modules/@sinonjs/samsam/lib/identical.js

@@ -0,0 +1,25 @@
+"use strict";
+
+var isNaN = require("./is-nan");
+var isNegZero = require("./is-neg-zero");
+
+/**
+ * @name samsam.equal
+ * @param Object obj1
+ * @param Object obj2
+ *
+ * Returns ``true`` if two objects are strictly equal. Compared to
+ * ``===`` there are two exceptions:
+ *
+ *   - NaN is considered equal to NaN
+ *   - -0 and +0 are not considered equal
+ */
+function identical(obj1, obj2) {
+    if (obj1 === obj2 || (isNaN(obj1) && isNaN(obj2))) {
+        return obj1 !== 0 || isNegZero(obj1) === isNegZero(obj2);
+    }
+
+    return false;
+}
+
+module.exports = identical;

node_modules/@sinonjs/samsam/lib/is-arguments.js

@@ -0,0 +1,35 @@
+"use strict";
+
+var getClass = require("./get-class");
+
+/**
+ * @name samsam.isArguments
+ * @param Object object
+ *
+ * Returns ``true`` if ``object`` is an ``arguments`` object,
+ * ``false`` otherwise.
+ */
+function isArguments(object) {
+    if (getClass(object) === "Arguments") {
+        return true;
+    }
+    if (
+        typeof object !== "object" ||
+        typeof object.length !== "number" ||
+        getClass(object) === "Array"
+    ) {
+        return false;
+    }
+    if (typeof object.callee === "function") {
+        return true;
+    }
+    try {
+        object[object.length] = 6;
+        delete object[object.length];
+    } catch (e) {
+        return true;
+    }
+    return false;
+}
+
+module.exports = isArguments;

node_modules/@sinonjs/samsam/lib/is-date.js

@@ -0,0 +1,7 @@
+"use strict";
+
+function isDate(value) {
+    return value instanceof Date;
+}
+
+module.exports = isDate;

node_modules/@sinonjs/samsam/lib/is-element.js

@@ -0,0 +1,27 @@
+"use strict";
+
+var div = typeof document !== "undefined" && document.createElement("div");
+
+/**
+ * @name samsam.isElement
+ * @param Object object
+ *
+ * Returns ``true`` if ``object`` is a DOM element node. Unlike
+ * Underscore.js/lodash, this function will return ``false`` if ``object``
+ * is an *element-like* object, i.e. a regular object with a ``nodeType``
+ * property that holds the value ``1``.
+ */
+function isElement(object) {
+    if (!object || object.nodeType !== 1 || !div) {
+        return false;
+    }
+    try {
+        object.appendChild(div);
+        object.removeChild(div);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
+
+module.exports = isElement;

node_modules/@sinonjs/samsam/lib/is-nan.js

@@ -0,0 +1,11 @@
+"use strict";
+
+function isNaN(value) {
+    // Unlike global isNaN, this avoids type coercion
+    // typeof check avoids IE host object issues, hat tip to
+    // lodash
+    var val = value; // JsLint thinks value !== value is "weird"
+    return typeof value === "number" && value !== val;
+}
+
+module.exports = isNaN;

node_modules/@sinonjs/samsam/lib/is-neg-zero.js

@@ -0,0 +1,13 @@
+"use strict";
+
+/**
+ * @name samsam.isNegZero
+ * @param Object value
+ *
+ * Returns ``true`` if ``value`` is ``-0``.
+ */
+function isNegZero(value) {
+    return value === 0 && 1 / value === -Infinity;
+}
+
+module.exports = isNegZero;

node_modules/@sinonjs/samsam/lib/is-object.js

@@ -0,0 +1,24 @@
+"use strict";
+
+// Returns true when the value is a regular Object and not a specialized Object
+//
+// This helps speeding up deepEqual cyclic checks
+// The premise is that only Objects are stored in the visited array.
+// So if this function returns false, we don't have to do the
+// expensive operation of searching for the value in the the array of already
+// visited objects
+function isObject(value) {
+    return (
+        typeof value === "object" &&
+        value !== null &&
+        // none of these are collection objects, so we can return false
+        !(value instanceof Boolean) &&
+        !(value instanceof Date) &&
+        !(value instanceof Error) &&
+        !(value instanceof Number) &&
+        !(value instanceof RegExp) &&
+        !(value instanceof String)
+    );
+}
+
+module.exports = isObject;

node_modules/@sinonjs/samsam/lib/is-set.js

@@ -0,0 +1,7 @@
+"use strict";
+
+function isSet(val) {
+    return (typeof Set !== "undefined" && val instanceof Set) || false;
+}
+
+module.exports = isSet;

node_modules/@sinonjs/samsam/lib/is-subset.js

@@ -0,0 +1,18 @@
+"use strict";
+
+function isSubset(s1, s2, compare) {
+    var allContained = true;
+    s1.forEach(function(v1) {
+        var includes = false;
+        s2.forEach(function(v2) {
+            if (compare(v2, v1)) {
+                includes = true;
+            }
+        });
+        allContained = allContained && includes;
+    });
+
+    return allContained;
+}
+
+module.exports = isSubset;

node_modules/@sinonjs/samsam/lib/iterable-to-string.js

@@ -0,0 +1,42 @@
+"use strict";
+
+var slice = require("@sinonjs/commons").prototypes.string.slice;
+var typeOf = require("@sinonjs/commons").typeOf;
+var valueToString = require("@sinonjs/commons").valueToString;
+
+module.exports = function iterableToString(obj) {
+    var representation = "";
+
+    function stringify(item) {
+        return typeof item === "string"
+            ? "'" + item + "'"
+            : valueToString(item);
+    }
+
+    function mapToString(map) {
+        /* eslint-disable-next-line local-rules/no-prototype-methods */
+        map.forEach(function(value, key) {
+            representation +=
+                "[" + stringify(key) + "," + stringify(value) + "],";
+        });
+
+        representation = slice(representation, 0, -1);
+        return representation;
+    }
+
+    function genericIterableToString(iterable) {
+        /* eslint-disable-next-line local-rules/no-prototype-methods */
+        iterable.forEach(function(value) {
+            representation += stringify(value) + ",";
+        });
+
+        representation = slice(representation, 0, -1);
+        return representation;
+    }
+
+    if (typeOf(obj) === "map") {
+        return mapToString(obj);
+    }
+
+    return genericIterableToString(obj);
+};

node_modules/@sinonjs/samsam/lib/match.js

@@ -0,0 +1,136 @@
+"use strict";
+
+var valueToString = require("@sinonjs/commons").valueToString;
+
+var deepEqual = require("./deep-equal").use(match); // eslint-disable-line no-use-before-define
+var getClass = require("./get-class");
+var isDate = require("./is-date");
+var isSet = require("./is-set");
+var isSubset = require("./is-subset");
+var createMatcher = require("./matcher");
+
+function arrayContains(array, subset, compare) {
+    if (subset.length === 0) {
+        return true;
+    }
+    var i, l, j, k;
+    for (i = 0, l = array.length; i < l; ++i) {
+        if (compare(array[i], subset[0])) {
+            for (j = 0, k = subset.length; j < k; ++j) {
+                if (i + j >= l) {
+                    return false;
+                }
+                if (!compare(array[i + j], subset[j])) {
+                    return false;
+                }
+            }
+            return true;
+        }
+    }
+    return false;
+}
+
+/**
+ * @name samsam.match
+ * @param Object object
+ * @param Object matcher
+ *
+ * Compare arbitrary value ``object`` with matcher.
+ */
+function match(object, matcher) {
+    if (matcher && typeof matcher.test === "function") {
+        return matcher.test(object);
+    }
+
+    if (typeof matcher === "function") {
+        return matcher(object) === true;
+    }
+
+    if (typeof matcher === "string") {
+        matcher = matcher.toLowerCase();
+        var notNull = typeof object === "string" || !!object;
+        return (
+            notNull &&
+            valueToString(object)
+                .toLowerCase()
+                .indexOf(matcher) >= 0
+        );
+    }
+
+    if (typeof matcher === "number") {
+        return matcher === object;
+    }
+
+    if (typeof matcher === "boolean") {
+        return matcher === object;
+    }
+
+    if (typeof matcher === "undefined") {
+        return typeof object === "undefined";
+    }
+
+    if (matcher === null) {
+        return object === null;
+    }
+
+    if (object === null) {
+        return false;
+    }
+
+    if (isSet(object)) {
+        return isSubset(matcher, object, match);
+    }
+
+    if (getClass(object) === "Array" && getClass(matcher) === "Array") {
+        return arrayContains(object, matcher, match);
+    }
+
+    if (isDate(matcher)) {
+        return isDate(object) && object.getTime() === matcher.getTime();
+    }
+
+    if (matcher && typeof matcher === "object") {
+        if (matcher === object) {
+            return true;
+        }
+        if (typeof object !== "object") {
+            return false;
+        }
+        var prop;
+        // eslint-disable-next-line guard-for-in
+        for (prop in matcher) {
+            var value = object[prop];
+            if (
+                typeof value === "undefined" &&
+                typeof object.getAttribute === "function"
+            ) {
+                value = object.getAttribute(prop);
+            }
+            if (
+                matcher[prop] === null ||
+                typeof matcher[prop] === "undefined"
+            ) {
+                if (value !== matcher[prop]) {
+                    return false;
+                }
+            } else if (
+                typeof value === "undefined" ||
+                !deepEqual(value, matcher[prop])
+            ) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    throw new Error(
+        "Matcher was not a string, a number, a " +
+            "function, a boolean or an object"
+    );
+}
+
+Object.keys(createMatcher).forEach(function(key) {
+    match[key] = createMatcher[key];
+});
+
+module.exports = match;

node_modules/@sinonjs/samsam/lib/matcher.js

@@ -0,0 +1,470 @@
+"use strict";
+
+var arrayProto = require("@sinonjs/commons").prototypes.array;
+var deepEqual = require("./deep-equal").use(match); // eslint-disable-line no-use-before-define
+var every = require("@sinonjs/commons").every;
+var functionName = require("@sinonjs/commons").functionName;
+var get = require("lodash").get;
+var iterableToString = require("./iterable-to-string");
+var objectProto = require("@sinonjs/commons").prototypes.object;
+var stringProto = require("@sinonjs/commons").prototypes.string;
+var typeOf = require("@sinonjs/commons").typeOf;
+var valueToString = require("@sinonjs/commons").valueToString;
+
+var arrayIndexOf = arrayProto.indexOf;
+var arrayEvery = arrayProto.every;
+var join = arrayProto.join;
+var map = arrayProto.map;
+var some = arrayProto.some;
+
+var hasOwnProperty = objectProto.hasOwnProperty;
+var isPrototypeOf = objectProto.isPrototypeOf;
+
+var stringIndexOf = stringProto.indexOf;
+
+function assertType(value, type, name) {
+    var actual = typeOf(value);
+    if (actual !== type) {
+        throw new TypeError(
+            "Expected type of " +
+                name +
+                " to be " +
+                type +
+                ", but was " +
+                actual
+        );
+    }
+}
+
+function assertMethodExists(value, method, name, methodPath) {
+    if (value[method] == null) {
+        throw new TypeError(
+            "Expected " + name + " to have method " + methodPath
+        );
+    }
+}
+
+var matcher = {
+    toString: function() {
+        return this.message;
+    }
+};
+
+function isMatcher(object) {
+    return isPrototypeOf(matcher, object);
+}
+
+function matchObject(actual, expectation) {
+    if (actual === null || actual === undefined) {
+        return false;
+    }
+
+    return arrayEvery(Object.keys(expectation), function(key) {
+        var exp = expectation[key];
+        var act = actual[key];
+
+        if (isMatcher(exp)) {
+            if (!exp.test(act)) {
+                return false;
+            }
+        } else if (typeOf(exp) === "object") {
+            if (!matchObject(act, exp)) {
+                return false;
+            }
+        } else if (!deepEqual(act, exp)) {
+            return false;
+        }
+
+        return true;
+    });
+}
+
+var TYPE_MAP = {
+    function: function(m, expectation, message) {
+        m.test = expectation;
+        m.message = message || "match(" + functionName(expectation) + ")";
+    },
+    number: function(m, expectation) {
+        m.test = function(actual) {
+            // we need type coercion here
+            return expectation == actual; // eslint-disable-line eqeqeq
+        };
+    },
+    object: function(m, expectation) {
+        var array = [];
+
+        if (typeof expectation.test === "function") {
+            m.test = function(actual) {
+                return expectation.test(actual) === true;
+            };
+            m.message = "match(" + functionName(expectation.test) + ")";
+            return m;
+        }
+
+        array = map(Object.keys(expectation), function(key) {
+            return key + ": " + valueToString(expectation[key]);
+        });
+
+        m.test = function(actual) {
+            return matchObject(actual, expectation);
+        };
+        m.message = "match(" + join(array, ", ") + ")";
+
+        return m;
+    },
+    regexp: function(m, expectation) {
+        m.test = function(actual) {
+            return typeof actual === "string" && expectation.test(actual);
+        };
+    },
+    string: function(m, expectation) {
+        m.test = function(actual) {
+            return (
+                typeof actual === "string" &&
+                stringIndexOf(actual, expectation) !== -1
+            );
+        };
+        m.message = 'match("' + expectation + '")';
+    }
+};
+
+function match(expectation, message) {
+    var m = Object.create(matcher);
+    var type = typeOf(expectation);
+
+    if (message !== undefined && typeof message !== "string") {
+        throw new TypeError("Message should be a string");
+    }
+
+    if (arguments.length > 2) {
+        throw new TypeError(
+            "Expected 1 or 2 arguments, received " + arguments.length
+        );
+    }
+
+    if (type in TYPE_MAP) {
+        TYPE_MAP[type](m, expectation, message);
+    } else {
+        m.test = function(actual) {
+            return deepEqual(actual, expectation);
+        };
+    }
+
+    if (!m.message) {
+        m.message = "match(" + valueToString(expectation) + ")";
+    }
+
+    return m;
+}
+
+matcher.or = function(m2) {
+    if (!arguments.length) {
+        throw new TypeError("Matcher expected");
+    } else if (!isMatcher(m2)) {
+        m2 = match(m2);
+    }
+    var m1 = this;
+    var or = Object.create(matcher);
+    or.test = function(actual) {
+        return m1.test(actual) || m2.test(actual);
+    };
+    or.message = m1.message + ".or(" + m2.message + ")";
+    return or;
+};
+
+matcher.and = function(m2) {
+    if (!arguments.length) {
+        throw new TypeError("Matcher expected");
+    } else if (!isMatcher(m2)) {
+        m2 = match(m2);
+    }
+    var m1 = this;
+    var and = Object.create(matcher);
+    and.test = function(actual) {
+        return m1.test(actual) && m2.test(actual);
+    };
+    and.message = m1.message + ".and(" + m2.message + ")";
+    return and;
+};
+
+match.isMatcher = isMatcher;
+
+match.any = match(function() {
+    return true;
+}, "any");
+
+match.defined = match(function(actual) {
+    return actual !== null && actual !== undefined;
+}, "defined");
+
+match.truthy = match(function(actual) {
+    return !!actual;
+}, "truthy");
+
+match.falsy = match(function(actual) {
+    return !actual;
+}, "falsy");
+
+match.same = function(expectation) {
+    return match(function(actual) {
+        return expectation === actual;
+    }, "same(" + valueToString(expectation) + ")");
+};
+
+match.in = function(arrayOfExpectations) {
+    if (typeOf(arrayOfExpectations) !== "array") {
+        throw new TypeError("array expected");
+    }
+
+    return match(function(actual) {
+        return some(arrayOfExpectations, function(expectation) {
+            return expectation === actual;
+        });
+    }, "in(" + valueToString(arrayOfExpectations) + ")");
+};
+
+match.typeOf = function(type) {
+    assertType(type, "string", "type");
+    return match(function(actual) {
+        return typeOf(actual) === type;
+    }, 'typeOf("' + type + '")');
+};
+
+match.instanceOf = function(type) {
+    if (
+        typeof Symbol === "undefined" ||
+        typeof Symbol.hasInstance === "undefined"
+    ) {
+        assertType(type, "function", "type");
+    } else {
+        assertMethodExists(
+            type,
+            Symbol.hasInstance,
+            "type",
+            "[Symbol.hasInstance]"
+        );
+    }
+    return match(function(actual) {
+        return actual instanceof type;
+    }, "instanceOf(" +
+        (functionName(type) || Object.prototype.toString.call(type)) +
+        ")");
+};
+
+function createPropertyMatcher(propertyTest, messagePrefix) {
+    return function(property, value) {
+        assertType(property, "string", "property");
+        var onlyProperty = arguments.length === 1;
+        var message = messagePrefix + '("' + property + '"';
+        if (!onlyProperty) {
+            message += ", " + valueToString(value);
+        }
+        message += ")";
+        return match(function(actual) {
+            if (
+                actual === undefined ||
+                actual === null ||
+                !propertyTest(actual, property)
+            ) {
+                return false;
+            }
+            return onlyProperty || deepEqual(actual[property], value);
+        }, message);
+    };
+}
+
+match.has = createPropertyMatcher(function(actual, property) {
+    if (typeof actual === "object") {
+        return property in actual;
+    }
+    return actual[property] !== undefined;
+}, "has");
+
+match.hasOwn = createPropertyMatcher(function(actual, property) {
+    return hasOwnProperty(actual, property);
+}, "hasOwn");
+
+match.hasNested = function(property, value) {
+    assertType(property, "string", "property");
+    var onlyProperty = arguments.length === 1;
+    var message = 'hasNested("' + property + '"';
+    if (!onlyProperty) {
+        message += ", " + valueToString(value);
+    }
+    message += ")";
+    return match(function(actual) {
+        if (
+            actual === undefined ||
+            actual === null ||
+            get(actual, property) === undefined
+        ) {
+            return false;
+        }
+        return onlyProperty || deepEqual(get(actual, property), value);
+    }, message);
+};
+
+match.every = function(predicate) {
+    if (!isMatcher(predicate)) {
+        throw new TypeError("Matcher expected");
+    }
+
+    return match(function(actual) {
+        if (typeOf(actual) === "object") {
+            return every(Object.keys(actual), function(key) {
+                return predicate.test(actual[key]);
+            });
+        }
+
+        return (
+            !!actual &&
+            typeOf(actual.forEach) === "function" &&
+            every(actual, function(element) {
+                return predicate.test(element);
+            })
+        );
+    }, "every(" + predicate.message + ")");
+};
+
+match.some = function(predicate) {
+    if (!isMatcher(predicate)) {
+        throw new TypeError("Matcher expected");
+    }
+
+    return match(function(actual) {
+        if (typeOf(actual) === "object") {
+            return !every(Object.keys(actual), function(key) {
+                return !predicate.test(actual[key]);
+            });
+        }
+
+        return (
+            !!actual &&
+            typeOf(actual.forEach) === "function" &&
+            !every(actual, function(element) {
+                return !predicate.test(element);
+            })
+        );
+    }, "some(" + predicate.message + ")");
+};
+
+match.array = match.typeOf("array");
+
+match.array.deepEquals = function(expectation) {
+    return match(function(actual) {
+        // Comparing lengths is the fastest way to spot a difference before iterating through every item
+        var sameLength = actual.length === expectation.length;
+        return (
+            typeOf(actual) === "array" &&
+            sameLength &&
+            every(actual, function(element, index) {
+                var expected = expectation[index];
+                return typeOf(expected) === "array" &&
+                    typeOf(element) === "array"
+                    ? match.array.deepEquals(expected).test(element)
+                    : deepEqual(expected, element);
+            })
+        );
+    }, "deepEquals([" + iterableToString(expectation) + "])");
+};
+
+match.array.startsWith = function(expectation) {
+    return match(function(actual) {
+        return (
+            typeOf(actual) === "array" &&
+            every(expectation, function(expectedElement, index) {
+                return actual[index] === expectedElement;
+            })
+        );
+    }, "startsWith([" + iterableToString(expectation) + "])");
+};
+
+match.array.endsWith = function(expectation) {
+    return match(function(actual) {
+        // This indicates the index in which we should start matching
+        var offset = actual.length - expectation.length;
+
+        return (
+            typeOf(actual) === "array" &&
+            every(expectation, function(expectedElement, index) {
+                return actual[offset + index] === expectedElement;
+            })
+        );
+    }, "endsWith([" + iterableToString(expectation) + "])");
+};
+
+match.array.contains = function(expectation) {
+    return match(function(actual) {
+        return (
+            typeOf(actual) === "array" &&
+            every(expectation, function(expectedElement) {
+                return arrayIndexOf(actual, expectedElement) !== -1;
+            })
+        );
+    }, "contains([" + iterableToString(expectation) + "])");
+};
+
+match.map = match.typeOf("map");
+
+match.map.deepEquals = function mapDeepEquals(expectation) {
+    return match(function(actual) {
+        // Comparing lengths is the fastest way to spot a difference before iterating through every item
+        var sameLength = actual.size === expectation.size;
+        return (
+            typeOf(actual) === "map" &&
+            sameLength &&
+            every(actual, function(element, key) {
+                return expectation.has(key) && expectation.get(key) === element;
+            })
+        );
+    }, "deepEquals(Map[" + iterableToString(expectation) + "])");
+};
+
+match.map.contains = function mapContains(expectation) {
+    return match(function(actual) {
+        return (
+            typeOf(actual) === "map" &&
+            every(expectation, function(element, key) {
+                return actual.has(key) && actual.get(key) === element;
+            })
+        );
+    }, "contains(Map[" + iterableToString(expectation) + "])");
+};
+
+match.set = match.typeOf("set");
+
+match.set.deepEquals = function setDeepEquals(expectation) {
+    return match(function(actual) {
+        // Comparing lengths is the fastest way to spot a difference before iterating through every item
+        var sameLength = actual.size === expectation.size;
+        return (
+            typeOf(actual) === "set" &&
+            sameLength &&
+            every(actual, function(element) {
+                return expectation.has(element);
+            })
+        );
+    }, "deepEquals(Set[" + iterableToString(expectation) + "])");
+};
+
+match.set.contains = function setContains(expectation) {
+    return match(function(actual) {
+        return (
+            typeOf(actual) === "set" &&
+            every(expectation, function(element) {
+                return actual.has(element);
+            })
+        );
+    }, "contains(Set[" + iterableToString(expectation) + "])");
+};
+
+match.bool = match.typeOf("boolean");
+match.number = match.typeOf("number");
+match.string = match.typeOf("string");
+match.object = match.typeOf("object");
+match.func = match.typeOf("function");
+match.regexp = match.typeOf("regexp");
+match.date = match.typeOf("date");
+match.symbol = match.typeOf("symbol");
+
+module.exports = match;

node_modules/@sinonjs/samsam/lib/samsam.js

@@ -0,0 +1,21 @@
+"use strict";
+
+var identical = require("./identical");
+var isArguments = require("./is-arguments");
+var isElement = require("./is-element");
+var isNegZero = require("./is-neg-zero");
+var isSet = require("./is-set");
+var match = require("./match");
+var deepEqualCyclic = require("./deep-equal").use(match);
+var createMatcher = require("./matcher");
+
+module.exports = {
+    createMatcher: createMatcher,
+    deepEqual: deepEqualCyclic,
+    identical: identical,
+    isArguments: isArguments,
+    isElement: isElement,
+    isNegZero: isNegZero,
+    isSet: isSet,
+    match: match
+};