Added node_modules for the updating to work properly.

1 files changed, 1339 insertions, 0 deletions

diff --git a/node_modules/expect/build/spyMatchers.js b/node_modules/expect/build/spyMatchers.js
new file mode 100644
index 0000000..3181d08
--- /dev/null
+++ b/node_modules/expect/build/spyMatchers.js
@@ -0,0 +1,1339 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+exports.default = void 0;
+
+var _jestGetType = require('jest-get-type');
+
+var _jestMatcherUtils = require('jest-matcher-utils');
+
+var _jasmineUtils = require('./jasmineUtils');
+
+var _utils = require('./utils');
+
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+// The optional property of matcher context is true if undefined.
+const isExpand = expand => expand !== false;
+
+const PRINT_LIMIT = 3;
+const NO_ARGUMENTS = 'called with 0 arguments';
+
+const printExpectedArgs = expected =>
+  expected.length === 0
+    ? NO_ARGUMENTS
+    : expected.map(arg => (0, _jestMatcherUtils.printExpected)(arg)).join(', ');
+
+const printReceivedArgs = (received, expected) =>
+  received.length === 0
+    ? NO_ARGUMENTS
+    : received
+        .map((arg, i) =>
+          Array.isArray(expected) &&
+          i < expected.length &&
+          isEqualValue(expected[i], arg)
+            ? printCommon(arg)
+            : (0, _jestMatcherUtils.printReceived)(arg)
+        )
+        .join(', ');
+
+const printCommon = val =>
+  (0, _jestMatcherUtils.DIM_COLOR)((0, _jestMatcherUtils.stringify)(val));
+
+const isEqualValue = (expected, received) =>
+  (0, _jasmineUtils.equals)(expected, received, [_utils.iterableEquality]);
+
+const isEqualCall = (expected, received) => isEqualValue(expected, received);
+
+const isEqualReturn = (expected, result) =>
+  result.type === 'return' && isEqualValue(expected, result.value);
+
+const countReturns = results =>
+  results.reduce((n, result) => (result.type === 'return' ? n + 1 : n), 0);
+
+const printNumberOfReturns = (countReturns, countCalls) =>
+  `\nNumber of returns: ${(0, _jestMatcherUtils.printReceived)(countReturns)}` +
+  (countCalls !== countReturns
+    ? `\nNumber of calls:   ${(0, _jestMatcherUtils.printReceived)(countCalls)}`
+    : '');
+
+// Given a label, return a function which given a string,
+// right-aligns it preceding the colon in the label.
+const getRightAlignedPrinter = label => {
+  // Assume that the label contains a colon.
+  const index = label.indexOf(':');
+  const suffix = label.slice(index);
+  return (string, isExpectedCall) =>
+    (isExpectedCall
+      ? '->' + ' '.repeat(Math.max(0, index - 2 - string.length))
+      : ' '.repeat(Math.max(index - string.length))) +
+    string +
+    suffix;
+};
+
+const printReceivedCallsNegative = (
+  expected,
+  indexedCalls,
+  isOnlyCall,
+  iExpectedCall
+) => {
+  if (indexedCalls.length === 0) {
+    return '';
+  }
+
+  const label = 'Received:     ';
+
+  if (isOnlyCall) {
+    return label + printReceivedArgs(indexedCalls[0], expected) + '\n';
+  }
+
+  const printAligned = getRightAlignedPrinter(label);
+  return (
+    'Received\n' +
+    indexedCalls.reduce(
+      (printed, [i, args]) =>
+        printed +
+        printAligned(String(i + 1), i === iExpectedCall) +
+        printReceivedArgs(args, expected) +
+        '\n',
+      ''
+    )
+  );
+};
+
+const printExpectedReceivedCallsPositive = (
+  expected,
+  indexedCalls,
+  expand,
+  isOnlyCall,
+  iExpectedCall
+) => {
+  const expectedLine = `Expected: ${printExpectedArgs(expected)}\n`;
+
+  if (indexedCalls.length === 0) {
+    return expectedLine;
+  }
+
+  const label = 'Received: ';
+
+  if (isOnlyCall && (iExpectedCall === 0 || iExpectedCall === undefined)) {
+    const received = indexedCalls[0][1];
+
+    if (isLineDiffableCall(expected, received)) {
+      // Display diff without indentation.
+      const lines = [
+        (0, _jestMatcherUtils.EXPECTED_COLOR)('- Expected'),
+        (0, _jestMatcherUtils.RECEIVED_COLOR)('+ Received'),
+        ''
+      ];
+      const length = Math.max(expected.length, received.length);
+
+      for (let i = 0; i < length; i += 1) {
+        if (i < expected.length && i < received.length) {
+          if (isEqualValue(expected[i], received[i])) {
+            lines.push(`  ${printCommon(received[i])},`);
+            continue;
+          }
+
+          if (isLineDiffableArg(expected[i], received[i])) {
+            const difference = (0, _jestMatcherUtils.diff)(
+              expected[i],
+              received[i],
+              {
+                expand
+              }
+            );
+
+            if (
+              typeof difference === 'string' &&
+              difference.includes('- Expected') &&
+              difference.includes('+ Received')
+            ) {
+              // Omit annotation in case multiple args have diff.
+              lines.push(difference.split('\n').slice(3).join('\n') + ',');
+              continue;
+            }
+          }
+        }
+
+        if (i < expected.length) {
+          lines.push(
+            (0, _jestMatcherUtils.EXPECTED_COLOR)(
+              '- ' + (0, _jestMatcherUtils.stringify)(expected[i])
+            ) + ','
+          );
+        }
+
+        if (i < received.length) {
+          lines.push(
+            (0, _jestMatcherUtils.RECEIVED_COLOR)(
+              '+ ' + (0, _jestMatcherUtils.stringify)(received[i])
+            ) + ','
+          );
+        }
+      }
+
+      return lines.join('\n') + '\n';
+    }
+
+    return expectedLine + label + printReceivedArgs(received, expected) + '\n';
+  }
+
+  const printAligned = getRightAlignedPrinter(label);
+  return (
+    expectedLine +
+    'Received\n' +
+    indexedCalls.reduce((printed, [i, received]) => {
+      const aligned = printAligned(String(i + 1), i === iExpectedCall);
+      return (
+        printed +
+        ((i === iExpectedCall || iExpectedCall === undefined) &&
+        isLineDiffableCall(expected, received)
+          ? aligned.replace(': ', '\n') +
+            printDiffCall(expected, received, expand)
+          : aligned + printReceivedArgs(received, expected)) +
+        '\n'
+      );
+    }, '')
+  );
+};
+
+const indentation = 'Received'.replace(/\w/g, ' ');
+
+const printDiffCall = (expected, received, expand) =>
+  received
+    .map((arg, i) => {
+      if (i < expected.length) {
+        if (isEqualValue(expected[i], arg)) {
+          return indentation + '  ' + printCommon(arg) + ',';
+        }
+
+        if (isLineDiffableArg(expected[i], arg)) {
+          const difference = (0, _jestMatcherUtils.diff)(expected[i], arg, {
+            expand
+          });
+
+          if (
+            typeof difference === 'string' &&
+            difference.includes('- Expected') &&
+            difference.includes('+ Received')
+          ) {
+            // Display diff with indentation.
+            // Omit annotation in case multiple args have diff.
+            return (
+              difference
+                .split('\n')
+                .slice(3)
+                .map(line => indentation + line)
+                .join('\n') + ','
+            );
+          }
+        }
+      } // Display + only if received arg has no corresponding expected arg.
+
+      return (
+        indentation +
+        (i < expected.length
+          ? '  ' + (0, _jestMatcherUtils.printReceived)(arg)
+          : (0, _jestMatcherUtils.RECEIVED_COLOR)(
+              '+ ' + (0, _jestMatcherUtils.stringify)(arg)
+            )) +
+        ','
+      );
+    })
+    .join('\n');
+
+const isLineDiffableCall = (expected, received) =>
+  expected.some(
+    (arg, i) => i < received.length && isLineDiffableArg(arg, received[i])
+  ); // Almost redundant with function in jest-matcher-utils,
+// except no line diff for any strings.
+
+const isLineDiffableArg = (expected, received) => {
+  const expectedType = (0, _jestGetType.getType)(expected);
+  const receivedType = (0, _jestGetType.getType)(received);
+
+  if (expectedType !== receivedType) {
+    return false;
+  }
+
+  if ((0, _jestGetType.isPrimitive)(expected)) {
+    return false;
+  }
+
+  if (
+    expectedType === 'date' ||
+    expectedType === 'function' ||
+    expectedType === 'regexp'
+  ) {
+    return false;
+  }
+
+  if (expected instanceof Error && received instanceof Error) {
+    return false;
+  }
+
+  if (
+    expectedType === 'object' &&
+    typeof expected.asymmetricMatch === 'function'
+  ) {
+    return false;
+  }
+
+  if (
+    receivedType === 'object' &&
+    typeof received.asymmetricMatch === 'function'
+  ) {
+    return false;
+  }
+
+  return true;
+};
+
+const printResult = (result, expected) =>
+  result.type === 'throw'
+    ? 'function call threw an error'
+    : result.type === 'incomplete'
+    ? 'function call has not returned yet'
+    : isEqualValue(expected, result.value)
+    ? printCommon(result.value)
+    : (0, _jestMatcherUtils.printReceived)(result.value);
+
+// Return either empty string or one line per indexed result,
+// so additional empty line can separate from `Number of returns` which follows.
+const printReceivedResults = (
+  label,
+  expected,
+  indexedResults,
+  isOnlyCall,
+  iExpectedCall
+) => {
+  if (indexedResults.length === 0) {
+    return '';
+  }
+
+  if (isOnlyCall && (iExpectedCall === 0 || iExpectedCall === undefined)) {
+    return label + printResult(indexedResults[0][1], expected) + '\n';
+  }
+
+  const printAligned = getRightAlignedPrinter(label);
+  return (
+    label.replace(':', '').trim() +
+    '\n' +
+    indexedResults.reduce(
+      (printed, [i, result]) =>
+        printed +
+        printAligned(String(i + 1), i === iExpectedCall) +
+        printResult(result, expected) +
+        '\n',
+      ''
+    )
+  );
+};
+
+const createToBeCalledMatcher = matcherName =>
+  function (received, expected) {
+    const expectedArgument = '';
+    const options = {
+      isNot: this.isNot,
+      promise: this.promise
+    };
+    (0, _jestMatcherUtils.ensureNoExpected)(expected, matcherName, options);
+    ensureMockOrSpy(received, matcherName, expectedArgument, options);
+    const receivedIsSpy = isSpy(received);
+    const receivedName = receivedIsSpy ? 'spy' : received.getMockName();
+    const count = receivedIsSpy
+      ? received.calls.count()
+      : received.mock.calls.length;
+    const calls = receivedIsSpy
+      ? received.calls.all().map(x => x.args)
+      : received.mock.calls;
+    const pass = count > 0;
+    const message = pass
+      ? () =>
+          (0, _jestMatcherUtils.matcherHint)(
+            matcherName,
+            receivedName,
+            expectedArgument,
+            options
+          ) +
+          '\n\n' +
+          `Expected number of calls: ${(0, _jestMatcherUtils.printExpected)(
+            0
+          )}\n` +
+          `Received number of calls: ${(0, _jestMatcherUtils.printReceived)(
+            count
+          )}\n\n` +
+          calls
+            .reduce((lines, args, i) => {
+              if (lines.length < PRINT_LIMIT) {
+                lines.push(`${i + 1}: ${printReceivedArgs(args)}`);
+              }
+
+              return lines;
+            }, [])
+            .join('\n')
+      : () =>
+          (0, _jestMatcherUtils.matcherHint)(
+            matcherName,
+            receivedName,
+            expectedArgument,
+            options
+          ) +
+          '\n\n' +
+          `Expected number of calls: >= ${(0, _jestMatcherUtils.printExpected)(
+            1
+          )}\n` +
+          `Received number of calls:    ${(0, _jestMatcherUtils.printReceived)(
+            count
+          )}`;
+    return {
+      message,
+      pass
+    };
+  };
+
+const createToReturnMatcher = matcherName =>
+  function (received, expected) {
+    const expectedArgument = '';
+    const options = {
+      isNot: this.isNot,
+      promise: this.promise
+    };
+    (0, _jestMatcherUtils.ensureNoExpected)(expected, matcherName, options);
+    ensureMock(received, matcherName, expectedArgument, options);
+    const receivedName = received.getMockName(); // Count return values that correspond only to calls that returned
+
+    const count = received.mock.results.reduce(
+      (n, result) => (result.type === 'return' ? n + 1 : n),
+      0
+    );
+    const pass = count > 0;
+    const message = pass
+      ? () =>
+          (0, _jestMatcherUtils.matcherHint)(
+            matcherName,
+            receivedName,
+            expectedArgument,
+            options
+          ) +
+          '\n\n' +
+          `Expected number of returns: ${(0, _jestMatcherUtils.printExpected)(
+            0
+          )}\n` +
+          `Received number of returns: ${(0, _jestMatcherUtils.printReceived)(
+            count
+          )}\n\n` +
+          received.mock.results
+            .reduce((lines, result, i) => {
+              if (result.type === 'return' && lines.length < PRINT_LIMIT) {
+                lines.push(
+                  `${i + 1}: ${(0, _jestMatcherUtils.printReceived)(
+                    result.value
+                  )}`
+                );
+              }
+
+              return lines;
+            }, [])
+            .join('\n') +
+          (received.mock.calls.length !== count
+            ? `\n\nReceived number of calls:   ${(0,
+              _jestMatcherUtils.printReceived)(received.mock.calls.length)}`
+            : '')
+      : () =>
+          (0, _jestMatcherUtils.matcherHint)(
+            matcherName,
+            receivedName,
+            expectedArgument,
+            options
+          ) +
+          '\n\n' +
+          `Expected number of returns: >= ${(0,
+          _jestMatcherUtils.printExpected)(1)}\n` +
+          `Received number of returns:    ${(0,
+          _jestMatcherUtils.printReceived)(count)}` +
+          (received.mock.calls.length !== count
+            ? `\nReceived number of calls:      ${(0,
+              _jestMatcherUtils.printReceived)(received.mock.calls.length)}`
+            : '');
+    return {
+      message,
+      pass
+    };
+  };
+
+const createToBeCalledTimesMatcher = matcherName =>
+  function (received, expected) {
+    const expectedArgument = 'expected';
+    const options = {
+      isNot: this.isNot,
+      promise: this.promise
+    };
+    (0, _jestMatcherUtils.ensureExpectedIsNonNegativeInteger)(
+      expected,
+      matcherName,
+      options
+    );
+    ensureMockOrSpy(received, matcherName, expectedArgument, options);
+    const receivedIsSpy = isSpy(received);
+    const receivedName = receivedIsSpy ? 'spy' : received.getMockName();
+    const count = receivedIsSpy
+      ? received.calls.count()
+      : received.mock.calls.length;
+    const pass = count === expected;
+    const message = pass
+      ? () =>
+          (0, _jestMatcherUtils.matcherHint)(
+            matcherName,
+            receivedName,
+            expectedArgument,
+            options
+          ) +
+          '\n\n' +
+          `Expected number of calls: not ${(0, _jestMatcherUtils.printExpected)(
+            expected
+          )}`
+      : () =>
+          (0, _jestMatcherUtils.matcherHint)(
+            matcherName,
+            receivedName,
+            expectedArgument,
+            options
+          ) +
+          '\n\n' +
+          `Expected number of calls: ${(0, _jestMatcherUtils.printExpected)(
+            expected
+          )}\n` +
+          `Received number of calls: ${(0, _jestMatcherUtils.printReceived)(
+            count
+          )}`;
+    return {
+      message,
+      pass
+    };
+  };
+
+const createToReturnTimesMatcher = matcherName =>
+  function (received, expected) {
+    const expectedArgument = 'expected';
+    const options = {
+      isNot: this.isNot,
+      promise: this.promise
+    };
+    (0, _jestMatcherUtils.ensureExpectedIsNonNegativeInteger)(
+      expected,
+      matcherName,
+      options
+    );
+    ensureMock(received, matcherName, expectedArgument, options);
+    const receivedName = received.getMockName(); // Count return values that correspond only to calls that returned
+
+    const count = received.mock.results.reduce(
+      (n, result) => (result.type === 'return' ? n + 1 : n),
+      0
+    );
+    const pass = count === expected;
+    const message = pass
+      ? () =>
+          (0, _jestMatcherUtils.matcherHint)(
+            matcherName,
+            receivedName,
+            expectedArgument,
+            options
+          ) +
+          '\n\n' +
+          `Expected number of returns: not ${(0,
+          _jestMatcherUtils.printExpected)(expected)}` +
+          (received.mock.calls.length !== count
+            ? `\n\nReceived number of calls:       ${(0,
+              _jestMatcherUtils.printReceived)(received.mock.calls.length)}`
+            : '')
+      : () =>
+          (0, _jestMatcherUtils.matcherHint)(
+            matcherName,
+            receivedName,
+            expectedArgument,
+            options
+          ) +
+          '\n\n' +
+          `Expected number of returns: ${(0, _jestMatcherUtils.printExpected)(
+            expected
+          )}\n` +
+          `Received number of returns: ${(0, _jestMatcherUtils.printReceived)(
+            count
+          )}` +
+          (received.mock.calls.length !== count
+            ? `\nReceived number of calls:   ${(0,
+              _jestMatcherUtils.printReceived)(received.mock.calls.length)}`
+            : '');
+    return {
+      message,
+      pass
+    };
+  };
+
+const createToBeCalledWithMatcher = matcherName =>
+  function (received, ...expected) {
+    const expectedArgument = '...expected';
+    const options = {
+      isNot: this.isNot,
+      promise: this.promise
+    };
+    ensureMockOrSpy(received, matcherName, expectedArgument, options);
+    const receivedIsSpy = isSpy(received);
+    const receivedName = receivedIsSpy ? 'spy' : received.getMockName();
+    const calls = receivedIsSpy
+      ? received.calls.all().map(x => x.args)
+      : received.mock.calls;
+    const pass = calls.some(call => isEqualCall(expected, call));
+    const message = pass
+      ? () => {
+          // Some examples of calls that are equal to expected value.
+          const indexedCalls = [];
+          let i = 0;
+
+          while (i < calls.length && indexedCalls.length < PRINT_LIMIT) {
+            if (isEqualCall(expected, calls[i])) {
+              indexedCalls.push([i, calls[i]]);
+            }
+
+            i += 1;
+          }
+
+          return (
+            (0, _jestMatcherUtils.matcherHint)(
+              matcherName,
+              receivedName,
+              expectedArgument,
+              options
+            ) +
+            '\n\n' +
+            `Expected: not ${printExpectedArgs(expected)}\n` +
+            (calls.length === 1 &&
+            (0, _jestMatcherUtils.stringify)(calls[0]) ===
+              (0, _jestMatcherUtils.stringify)(expected)
+              ? ''
+              : printReceivedCallsNegative(
+                  expected,
+                  indexedCalls,
+                  calls.length === 1
+                )) +
+            `\nNumber of calls: ${(0, _jestMatcherUtils.printReceived)(
+              calls.length
+            )}`
+          );
+        }
+      : () => {
+          // Some examples of calls that are not equal to expected value.
+          const indexedCalls = [];
+          let i = 0;
+
+          while (i < calls.length && indexedCalls.length < PRINT_LIMIT) {
+            indexedCalls.push([i, calls[i]]);
+            i += 1;
+          }
+
+          return (
+            (0, _jestMatcherUtils.matcherHint)(
+              matcherName,
+              receivedName,
+              expectedArgument,
+              options
+            ) +
+            '\n\n' +
+            printExpectedReceivedCallsPositive(
+              expected,
+              indexedCalls,
+              isExpand(this.expand),
+              calls.length === 1
+            ) +
+            `\nNumber of calls: ${(0, _jestMatcherUtils.printReceived)(
+              calls.length
+            )}`
+          );
+        };
+    return {
+      message,
+      pass
+    };
+  };
+
+const createToReturnWithMatcher = matcherName =>
+  function (received, expected) {
+    const expectedArgument = 'expected';
+    const options = {
+      isNot: this.isNot,
+      promise: this.promise
+    };
+    ensureMock(received, matcherName, expectedArgument, options);
+    const receivedName = received.getMockName();
+    const {calls, results} = received.mock;
+    const pass = results.some(result => isEqualReturn(expected, result));
+    const message = pass
+      ? () => {
+          // Some examples of results that are equal to expected value.
+          const indexedResults = [];
+          let i = 0;
+
+          while (i < results.length && indexedResults.length < PRINT_LIMIT) {
+            if (isEqualReturn(expected, results[i])) {
+              indexedResults.push([i, results[i]]);
+            }
+
+            i += 1;
+          }
+
+          return (
+            (0, _jestMatcherUtils.matcherHint)(
+              matcherName,
+              receivedName,
+              expectedArgument,
+              options
+            ) +
+            '\n\n' +
+            `Expected: not ${(0, _jestMatcherUtils.printExpected)(
+              expected
+            )}\n` +
+            (results.length === 1 &&
+            results[0].type === 'return' &&
+            (0, _jestMatcherUtils.stringify)(results[0].value) ===
+              (0, _jestMatcherUtils.stringify)(expected)
+              ? ''
+              : printReceivedResults(
+                  'Received:     ',
+                  expected,
+                  indexedResults,
+                  results.length === 1
+                )) +
+            printNumberOfReturns(countReturns(results), calls.length)
+          );
+        }
+      : () => {
+          // Some examples of results that are not equal to expected value.
+          const indexedResults = [];
+          let i = 0;
+
+          while (i < results.length && indexedResults.length < PRINT_LIMIT) {
+            indexedResults.push([i, results[i]]);
+            i += 1;
+          }
+
+          return (
+            (0, _jestMatcherUtils.matcherHint)(
+              matcherName,
+              receivedName,
+              expectedArgument,
+              options
+            ) +
+            '\n\n' +
+            `Expected: ${(0, _jestMatcherUtils.printExpected)(expected)}\n` +
+            printReceivedResults(
+              'Received: ',
+              expected,
+              indexedResults,
+              results.length === 1
+            ) +
+            printNumberOfReturns(countReturns(results), calls.length)
+          );
+        };
+    return {
+      message,
+      pass
+    };
+  };
+
+const createLastCalledWithMatcher = matcherName =>
+  function (received, ...expected) {
+    const expectedArgument = '...expected';
+    const options = {
+      isNot: this.isNot,
+      promise: this.promise
+    };
+    ensureMockOrSpy(received, matcherName, expectedArgument, options);
+    const receivedIsSpy = isSpy(received);
+    const receivedName = receivedIsSpy ? 'spy' : received.getMockName();
+    const calls = receivedIsSpy
+      ? received.calls.all().map(x => x.args)
+      : received.mock.calls;
+    const iLast = calls.length - 1;
+    const pass = iLast >= 0 && isEqualCall(expected, calls[iLast]);
+    const message = pass
+      ? () => {
+          const indexedCalls = [];
+
+          if (iLast > 0) {
+            // Display preceding call as context.
+            indexedCalls.push([iLast - 1, calls[iLast - 1]]);
+          }
+
+          indexedCalls.push([iLast, calls[iLast]]);
+          return (
+            (0, _jestMatcherUtils.matcherHint)(
+              matcherName,
+              receivedName,
+              expectedArgument,
+              options
+            ) +
+            '\n\n' +
+            `Expected: not ${printExpectedArgs(expected)}\n` +
+            (calls.length === 1 &&
+            (0, _jestMatcherUtils.stringify)(calls[0]) ===
+              (0, _jestMatcherUtils.stringify)(expected)
+              ? ''
+              : printReceivedCallsNegative(
+                  expected,
+                  indexedCalls,
+                  calls.length === 1,
+                  iLast
+                )) +
+            `\nNumber of calls: ${(0, _jestMatcherUtils.printReceived)(
+              calls.length
+            )}`
+          );
+        }
+      : () => {
+          const indexedCalls = [];
+
+          if (iLast >= 0) {
+            if (iLast > 0) {
+              let i = iLast - 1; // Is there a preceding call that is equal to expected args?
+
+              while (i >= 0 && !isEqualCall(expected, calls[i])) {
+                i -= 1;
+              }
+
+              if (i < 0) {
+                i = iLast - 1; // otherwise, preceding call
+              }
+
+              indexedCalls.push([i, calls[i]]);
+            }
+
+            indexedCalls.push([iLast, calls[iLast]]);
+          }
+
+          return (
+            (0, _jestMatcherUtils.matcherHint)(
+              matcherName,
+              receivedName,
+              expectedArgument,
+              options
+            ) +
+            '\n\n' +
+            printExpectedReceivedCallsPositive(
+              expected,
+              indexedCalls,
+              isExpand(this.expand),
+              calls.length === 1,
+              iLast
+            ) +
+            `\nNumber of calls: ${(0, _jestMatcherUtils.printReceived)(
+              calls.length
+            )}`
+          );
+        };
+    return {
+      message,
+      pass
+    };
+  };
+
+const createLastReturnedMatcher = matcherName =>
+  function (received, expected) {
+    const expectedArgument = 'expected';
+    const options = {
+      isNot: this.isNot,
+      promise: this.promise
+    };
+    ensureMock(received, matcherName, expectedArgument, options);
+    const receivedName = received.getMockName();
+    const {calls, results} = received.mock;
+    const iLast = results.length - 1;
+    const pass = iLast >= 0 && isEqualReturn(expected, results[iLast]);
+    const message = pass
+      ? () => {
+          const indexedResults = [];
+
+          if (iLast > 0) {
+            // Display preceding result as context.
+            indexedResults.push([iLast - 1, results[iLast - 1]]);
+          }
+
+          indexedResults.push([iLast, results[iLast]]);
+          return (
+            (0, _jestMatcherUtils.matcherHint)(
+              matcherName,
+              receivedName,
+              expectedArgument,
+              options
+            ) +
+            '\n\n' +
+            `Expected: not ${(0, _jestMatcherUtils.printExpected)(
+              expected
+            )}\n` +
+            (results.length === 1 &&
+            results[0].type === 'return' &&
+            (0, _jestMatcherUtils.stringify)(results[0].value) ===
+              (0, _jestMatcherUtils.stringify)(expected)
+              ? ''
+              : printReceivedResults(
+                  'Received:     ',
+                  expected,
+                  indexedResults,
+                  results.length === 1,
+                  iLast
+                )) +
+            printNumberOfReturns(countReturns(results), calls.length)
+          );
+        }
+      : () => {
+          const indexedResults = [];
+
+          if (iLast >= 0) {
+            if (iLast > 0) {
+              let i = iLast - 1; // Is there a preceding result that is equal to expected value?
+
+              while (i >= 0 && !isEqualReturn(expected, results[i])) {
+                i -= 1;
+              }
+
+              if (i < 0) {
+                i = iLast - 1; // otherwise, preceding result
+              }
+
+              indexedResults.push([i, results[i]]);
+            }
+
+            indexedResults.push([iLast, results[iLast]]);
+          }
+
+          return (
+            (0, _jestMatcherUtils.matcherHint)(
+              matcherName,
+              receivedName,
+              expectedArgument,
+              options
+            ) +
+            '\n\n' +
+            `Expected: ${(0, _jestMatcherUtils.printExpected)(expected)}\n` +
+            printReceivedResults(
+              'Received: ',
+              expected,
+              indexedResults,
+              results.length === 1,
+              iLast
+            ) +
+            printNumberOfReturns(countReturns(results), calls.length)
+          );
+        };
+    return {
+      message,
+      pass
+    };
+  };
+
+const createNthCalledWithMatcher = matcherName =>
+  function (received, nth, ...expected) {
+    const expectedArgument = 'n';
+    const options = {
+      expectedColor: arg => arg,
+      isNot: this.isNot,
+      promise: this.promise,
+      secondArgument: '...expected'
+    };
+    ensureMockOrSpy(received, matcherName, expectedArgument, options);
+
+    if (!Number.isSafeInteger(nth) || nth < 1) {
+      throw new Error(
+        (0, _jestMatcherUtils.matcherErrorMessage)(
+          (0, _jestMatcherUtils.matcherHint)(
+            matcherName,
+            undefined,
+            expectedArgument,
+            options
+          ),
+          `${expectedArgument} must be a positive integer`,
+          (0, _jestMatcherUtils.printWithType)(
+            expectedArgument,
+            nth,
+            _jestMatcherUtils.stringify
+          )
+        )
+      );
+    }
+
+    const receivedIsSpy = isSpy(received);
+    const receivedName = receivedIsSpy ? 'spy' : received.getMockName();
+    const calls = receivedIsSpy
+      ? received.calls.all().map(x => x.args)
+      : received.mock.calls;
+    const length = calls.length;
+    const iNth = nth - 1;
+    const pass = iNth < length && isEqualCall(expected, calls[iNth]);
+    const message = pass
+      ? () => {
+          // Display preceding and following calls,
+          // in case assertions fails because index is off by one.
+          const indexedCalls = [];
+
+          if (iNth - 1 >= 0) {
+            indexedCalls.push([iNth - 1, calls[iNth - 1]]);
+          }
+
+          indexedCalls.push([iNth, calls[iNth]]);
+
+          if (iNth + 1 < length) {
+            indexedCalls.push([iNth + 1, calls[iNth + 1]]);
+          }
+
+          return (
+            (0, _jestMatcherUtils.matcherHint)(
+              matcherName,
+              receivedName,
+              expectedArgument,
+              options
+            ) +
+            '\n\n' +
+            `n: ${nth}\n` +
+            `Expected: not ${printExpectedArgs(expected)}\n` +
+            (calls.length === 1 &&
+            (0, _jestMatcherUtils.stringify)(calls[0]) ===
+              (0, _jestMatcherUtils.stringify)(expected)
+              ? ''
+              : printReceivedCallsNegative(
+                  expected,
+                  indexedCalls,
+                  calls.length === 1,
+                  iNth
+                )) +
+            `\nNumber of calls: ${(0, _jestMatcherUtils.printReceived)(
+              calls.length
+            )}`
+          );
+        }
+      : () => {
+          // Display preceding and following calls:
+          // * nearest call that is equal to expected args
+          // * otherwise, adjacent call
+          // in case assertions fails because of index, especially off by one.
+          const indexedCalls = [];
+
+          if (iNth < length) {
+            if (iNth - 1 >= 0) {
+              let i = iNth - 1; // Is there a preceding call that is equal to expected args?
+
+              while (i >= 0 && !isEqualCall(expected, calls[i])) {
+                i -= 1;
+              }
+
+              if (i < 0) {
+                i = iNth - 1; // otherwise, adjacent call
+              }
+
+              indexedCalls.push([i, calls[i]]);
+            }
+
+            indexedCalls.push([iNth, calls[iNth]]);
+
+            if (iNth + 1 < length) {
+              let i = iNth + 1; // Is there a following call that is equal to expected args?
+
+              while (i < length && !isEqualCall(expected, calls[i])) {
+                i += 1;
+              }
+
+              if (i >= length) {
+                i = iNth + 1; // otherwise, adjacent call
+              }
+
+              indexedCalls.push([i, calls[i]]);
+            }
+          } else if (length > 0) {
+            // The number of received calls is fewer than the expected number.
+            let i = length - 1; // Is there a call that is equal to expected args?
+
+            while (i >= 0 && !isEqualCall(expected, calls[i])) {
+              i -= 1;
+            }
+
+            if (i < 0) {
+              i = length - 1; // otherwise, last call
+            }
+
+            indexedCalls.push([i, calls[i]]);
+          }
+
+          return (
+            (0, _jestMatcherUtils.matcherHint)(
+              matcherName,
+              receivedName,
+              expectedArgument,
+              options
+            ) +
+            '\n\n' +
+            `n: ${nth}\n` +
+            printExpectedReceivedCallsPositive(
+              expected,
+              indexedCalls,
+              isExpand(this.expand),
+              calls.length === 1,
+              iNth
+            ) +
+            `\nNumber of calls: ${(0, _jestMatcherUtils.printReceived)(
+              calls.length
+            )}`
+          );
+        };
+    return {
+      message,
+      pass
+    };
+  };
+
+const createNthReturnedWithMatcher = matcherName =>
+  function (received, nth, expected) {
+    const expectedArgument = 'n';
+    const options = {
+      expectedColor: arg => arg,
+      isNot: this.isNot,
+      promise: this.promise,
+      secondArgument: 'expected'
+    };
+    ensureMock(received, matcherName, expectedArgument, options);
+
+    if (!Number.isSafeInteger(nth) || nth < 1) {
+      throw new Error(
+        (0, _jestMatcherUtils.matcherErrorMessage)(
+          (0, _jestMatcherUtils.matcherHint)(
+            matcherName,
+            undefined,
+            expectedArgument,
+            options
+          ),
+          `${expectedArgument} must be a positive integer`,
+          (0, _jestMatcherUtils.printWithType)(
+            expectedArgument,
+            nth,
+            _jestMatcherUtils.stringify
+          )
+        )
+      );
+    }
+
+    const receivedName = received.getMockName();
+    const {calls, results} = received.mock;
+    const length = results.length;
+    const iNth = nth - 1;
+    const pass = iNth < length && isEqualReturn(expected, results[iNth]);
+    const message = pass
+      ? () => {
+          // Display preceding and following results,
+          // in case assertions fails because index is off by one.
+          const indexedResults = [];
+
+          if (iNth - 1 >= 0) {
+            indexedResults.push([iNth - 1, results[iNth - 1]]);
+          }
+
+          indexedResults.push([iNth, results[iNth]]);
+
+          if (iNth + 1 < length) {
+            indexedResults.push([iNth + 1, results[iNth + 1]]);
+          }
+
+          return (
+            (0, _jestMatcherUtils.matcherHint)(
+              matcherName,
+              receivedName,
+              expectedArgument,
+              options
+            ) +
+            '\n\n' +
+            `n: ${nth}\n` +
+            `Expected: not ${(0, _jestMatcherUtils.printExpected)(
+              expected
+            )}\n` +
+            (results.length === 1 &&
+            results[0].type === 'return' &&
+            (0, _jestMatcherUtils.stringify)(results[0].value) ===
+              (0, _jestMatcherUtils.stringify)(expected)
+              ? ''
+              : printReceivedResults(
+                  'Received:     ',
+                  expected,
+                  indexedResults,
+                  results.length === 1,
+                  iNth
+                )) +
+            printNumberOfReturns(countReturns(results), calls.length)
+          );
+        }
+      : () => {
+          // Display preceding and following results:
+          // * nearest result that is equal to expected value
+          // * otherwise, adjacent result
+          // in case assertions fails because of index, especially off by one.
+          const indexedResults = [];
+
+          if (iNth < length) {
+            if (iNth - 1 >= 0) {
+              let i = iNth - 1; // Is there a preceding result that is equal to expected value?
+
+              while (i >= 0 && !isEqualReturn(expected, results[i])) {
+                i -= 1;
+              }
+
+              if (i < 0) {
+                i = iNth - 1; // otherwise, adjacent result
+              }
+
+              indexedResults.push([i, results[i]]);
+            }
+
+            indexedResults.push([iNth, results[iNth]]);
+
+            if (iNth + 1 < length) {
+              let i = iNth + 1; // Is there a following result that is equal to expected value?
+
+              while (i < length && !isEqualReturn(expected, results[i])) {
+                i += 1;
+              }
+
+              if (i >= length) {
+                i = iNth + 1; // otherwise, adjacent result
+              }
+
+              indexedResults.push([i, results[i]]);
+            }
+          } else if (length > 0) {
+            // The number of received calls is fewer than the expected number.
+            let i = length - 1; // Is there a result that is equal to expected value?
+
+            while (i >= 0 && !isEqualReturn(expected, results[i])) {
+              i -= 1;
+            }
+
+            if (i < 0) {
+              i = length - 1; // otherwise, last result
+            }
+
+            indexedResults.push([i, results[i]]);
+          }
+
+          return (
+            (0, _jestMatcherUtils.matcherHint)(
+              matcherName,
+              receivedName,
+              expectedArgument,
+              options
+            ) +
+            '\n\n' +
+            `n: ${nth}\n` +
+            `Expected: ${(0, _jestMatcherUtils.printExpected)(expected)}\n` +
+            printReceivedResults(
+              'Received: ',
+              expected,
+              indexedResults,
+              results.length === 1,
+              iNth
+            ) +
+            printNumberOfReturns(countReturns(results), calls.length)
+          );
+        };
+    return {
+      message,
+      pass
+    };
+  };
+
+const spyMatchers = {
+  lastCalledWith: createLastCalledWithMatcher('lastCalledWith'),
+  lastReturnedWith: createLastReturnedMatcher('lastReturnedWith'),
+  nthCalledWith: createNthCalledWithMatcher('nthCalledWith'),
+  nthReturnedWith: createNthReturnedWithMatcher('nthReturnedWith'),
+  toBeCalled: createToBeCalledMatcher('toBeCalled'),
+  toBeCalledTimes: createToBeCalledTimesMatcher('toBeCalledTimes'),
+  toBeCalledWith: createToBeCalledWithMatcher('toBeCalledWith'),
+  toHaveBeenCalled: createToBeCalledMatcher('toHaveBeenCalled'),
+  toHaveBeenCalledTimes: createToBeCalledTimesMatcher('toHaveBeenCalledTimes'),
+  toHaveBeenCalledWith: createToBeCalledWithMatcher('toHaveBeenCalledWith'),
+  toHaveBeenLastCalledWith: createLastCalledWithMatcher(
+    'toHaveBeenLastCalledWith'
+  ),
+  toHaveBeenNthCalledWith: createNthCalledWithMatcher(
+    'toHaveBeenNthCalledWith'
+  ),
+  toHaveLastReturnedWith: createLastReturnedMatcher('toHaveLastReturnedWith'),
+  toHaveNthReturnedWith: createNthReturnedWithMatcher('toHaveNthReturnedWith'),
+  toHaveReturned: createToReturnMatcher('toHaveReturned'),
+  toHaveReturnedTimes: createToReturnTimesMatcher('toHaveReturnedTimes'),
+  toHaveReturnedWith: createToReturnWithMatcher('toHaveReturnedWith'),
+  toReturn: createToReturnMatcher('toReturn'),
+  toReturnTimes: createToReturnTimesMatcher('toReturnTimes'),
+  toReturnWith: createToReturnWithMatcher('toReturnWith')
+};
+
+const isMock = received =>
+  received != null && received._isMockFunction === true;
+
+const isSpy = received =>
+  received != null &&
+  received.calls != null &&
+  typeof received.calls.all === 'function' &&
+  typeof received.calls.count === 'function';
+
+const ensureMockOrSpy = (received, matcherName, expectedArgument, options) => {
+  if (!isMock(received) && !isSpy(received)) {
+    throw new Error(
+      (0, _jestMatcherUtils.matcherErrorMessage)(
+        (0, _jestMatcherUtils.matcherHint)(
+          matcherName,
+          undefined,
+          expectedArgument,
+          options
+        ),
+        `${(0, _jestMatcherUtils.RECEIVED_COLOR)(
+          'received'
+        )} value must be a mock or spy function`,
+        (0, _jestMatcherUtils.printWithType)(
+          'Received',
+          received,
+          _jestMatcherUtils.printReceived
+        )
+      )
+    );
+  }
+};
+
+const ensureMock = (received, matcherName, expectedArgument, options) => {
+  if (!isMock(received)) {
+    throw new Error(
+      (0, _jestMatcherUtils.matcherErrorMessage)(
+        (0, _jestMatcherUtils.matcherHint)(
+          matcherName,
+          undefined,
+          expectedArgument,
+          options
+        ),
+        `${(0, _jestMatcherUtils.RECEIVED_COLOR)(
+          'received'
+        )} value must be a mock function`,
+        (0, _jestMatcherUtils.printWithType)(
+          'Received',
+          received,
+          _jestMatcherUtils.printReceived
+        )
+      )
+    );
+  }
+};
+
+var _default = spyMatchers;
+exports.default = _default;