feat: add support for Temporal objects (#88)

index.js

@@ -234,6 +234,19 @@ function extensiveDeepEqualByType(leftHandOperand, rightHandOperand, leftHandTyp
       return entriesEqual(leftHandOperand, rightHandOperand, options);
     case 'Map':
       return entriesEqual(leftHandOperand, rightHandOperand, options);
+    case 'Temporal.PlainDate':
+    case 'Temporal.PlainTime':
+    case 'Temporal.PlainDateTime':
+    case 'Temporal.Instant':
+    case 'Temporal.ZonedDateTime':
+    case 'Temporal.PlainYearMonth':
+    case 'Temporal.PlainMonthDay':
+      return leftHandOperand.equals(rightHandOperand);
+    case 'Temporal.Duration':
+      return leftHandOperand.total('nanoseconds') === rightHandOperand.total('nanoseconds');
+    case 'Temporal.TimeZone':
+    case 'Temporal.Calendar':
+      return leftHandOperand.toString() === rightHandOperand.toString();
     default:
       return objectEqual(leftHandOperand, rightHandOperand, options);
   }

package.json

@@ -56,6 +56,7 @@
     "type-detect": "^4.0.0"
   },
   "devDependencies": {
+    "@js-temporal/polyfill": "^0.4.1",
     "benchmark": "^2.1.0",
     "browserify": "^17.0.0",
     "browserify-istanbul": "^3.0.1",

test/temporal-types.js

@@ -0,0 +1,135 @@
+'use strict';
+
+var assert = require('simple-assert');
+var { Temporal } = require('@js-temporal/polyfill');
+var eql = require('..');
+
+describe('TC39 Temporal', function () {
+  describe('Temporal.PlainDate', function () {
+    it('returns true for same dates', function () {
+      assert(eql(new Temporal.PlainDate(2022, 1, 1), new Temporal.PlainDate(2022, 1, 1)),
+        'eql(new Temporal.PlainDate(2022, 1, 1), new Temporal.PlainDate(2022, 1, 1))');
+    });
+
+    it('returns false for different dates', function () {
+      assert(eql(new Temporal.PlainDate(2022, 1, 1), new Temporal.PlainDate(2022, 1, 2)) === false,
+        'eql(new Temporal.PlainDate(2022, 1, 1), new Temporal.PlainDate(2022, 1, 2)) === false');
+    });
+  });
+
+  describe('Temporal.PlainTime', function () {
+    it('returns true for same times', function () {
+      assert(eql(new Temporal.PlainTime(12, 0, 0), new Temporal.PlainTime(12, 0, 0)),
+        'eql(new Temporal.PlainTime(12, 0, 0), new Temporal.PlainTime(12, 0, 0))');
+    });
+
+    it('returns false for different times', function () {
+      assert(eql(new Temporal.PlainTime(12, 0, 0), new Temporal.PlainTime(13, 0, 0)) === false,
+        'eql(new Temporal.PlainTime(12, 0, 0), new Temporal.PlainTime(13, 0, 0)) === false');
+    });
+  });
+
+  describe('Temporal.PlainDateTime', function () {
+    it('returns true for same date times', function () {
+      assert(eql(new Temporal.PlainDateTime(2022, 1, 1, 12, 0, 0), new Temporal.PlainDateTime(2022, 1, 1, 12, 0, 0)),
+        'eql(new Temporal.PlainDateTime(2022, 1, 1, 12, 0, 0), new Temporal.PlainDateTime(2022, 1, 1, 12, 0, 0))');
+    });
+
+    it('returns false for different date times', function () {
+      assert(eql(new Temporal.PlainDateTime(2022, 1, 1, 12, 0, 0),
+        new Temporal.PlainDateTime(2022, 1, 1, 13, 0, 0)) === false,
+      // eslint-disable-next-line max-len
+      'eql(new Temporal.PlainDateTime(2022, 1, 1, 12, 0, 0), new Temporal.PlainDateTime(2022, 1, 1, 13, 0, 0)) === false');
+    });
+  });
+
+  describe('Temporal.Instant', function () {
+    it('returns true for same instants', function () {
+      assert(eql(Temporal.Instant.from('2022-01-01T12:00:00.000Z'), Temporal.Instant.from('2022-01-01T12:00:00.000Z')),
+        'eql(Temporal.Instant.from("2022-01-01T12:00:00.000Z"), Temporal.Instant.from("2022-01-01T12:00:00.000Z"))');
+    });
+
+    it('returns false for different instants', function () {
+      assert(eql(Temporal.Instant.from('2022-01-01T12:00:00.000Z'),
+        Temporal.Instant.from('2022-01-01T13:00:00.000Z')) === false,
+      // eslint-disable-next-line max-len
+      'eql(Temporal.Instant.from("2022-01-01T12:00:00.000Z"), Temporal.Instant.from("2022-01-01T13:00:00.000Z")) === false');
+    });
+  });
+
+  describe('Temporal.ZonedDateTime', function () {
+    it('returns true for same zoned date times', function () {
+      assert(eql(Temporal.ZonedDateTime.from('2022-01-01T12:00:00.000Z[+01:00]'),
+        Temporal.ZonedDateTime.from('2022-01-01T12:00:00.000Z[+01:00]')),
+      // eslint-disable-next-line max-len
+      'eql(Temporal.ZonedDateTime.from("2022-01-01T12:00:00.000Z[+01:00]"), Temporal.ZonedDateTime.from("2022-01-01T12:00:00.000Z[+01:00]"))');
+    });
+
+    it('returns false for different zoned date times', function () {
+      assert(eql(Temporal.ZonedDateTime.from('2022-01-01T12:00:00.000Z[+01:00]'),
+        Temporal.ZonedDateTime.from('2022-01-01T13:00:00.000Z[+01:00]')) === false,
+      // eslint-disable-next-line max-len
+      'eql(Temporal.ZonedDateTime.from("2022-01-01T12:00:00.000Z[+01:00]"), Temporal.ZonedDateTime.from("2022-01-01T13:00:00.000Z[+01:00]")) === false');
+    });
+  });
+
+  describe('Temporal.PlainYearMonth', function () {
+    it('returns true for same plain year months', function () {
+      assert(eql(new Temporal.PlainYearMonth(2022, 1), new Temporal.PlainYearMonth(2022, 1)),
+        'eql(new Temporal.PlainYearMonth(2022, 1), new Temporal.PlainYearMonth(2022, 1))');
+    });
+
+    it('returns false for different plain year months', function () {
+      assert(eql(new Temporal.PlainYearMonth(2022, 1), new Temporal.PlainYearMonth(2022, 2)) === false,
+        'eql(new Temporal.PlainYearMonth(2022, 1), new Temporal.PlainYearMonth(2022, 2)) === false');
+    });
+  });
+
+  describe('Temporal.PlainMonthDay', function () {
+    it('returns true for same plain month days', function () {
+      assert(eql(new Temporal.PlainMonthDay(1, 1), new Temporal.PlainMonthDay(1, 1)),
+        'eql(new Temporal.PlainMonthDay(1, 1), new Temporal.PlainMonthDay(1, 1))');
+    });
+
+    it('returns false for different plain month days', function () {
+      assert(eql(new Temporal.PlainMonthDay(1, 1), new Temporal.PlainMonthDay(2, 1)) === false,
+        'eql(new Temporal.PlainMonthDay(1, 1), new Temporal.PlainMonthDay(2, 1)) === false');
+    });
+  });
+
+  describe('Temporal.Duration', function () {
+    it('returns true for same durations', function () {
+      assert(eql(new Temporal.Duration(0, 0, 0, 1), new Temporal.Duration(0, 0, 0, 1)),
+        'eql(new Temporal.Duration(0, 0, 0, 1), new Temporal.Duration(0, 0, 0, 1))');
+    });
+
+    it('returns false for different durations', function () {
+      assert(eql(new Temporal.Duration(0, 0, 0, 1), new Temporal.Duration(0, 0, 0, 2)) === false,
+        'eql(new Temporal.Duration(0, 0, 0, 1), new Temporal.Duration(0, 0, 0, 2)) === false');
+    });
+  });
+
+  describe('Temporal.TimeZone', function () {
+    it('returns true for same time zones', function () {
+      assert(eql(new Temporal.TimeZone('+01:00'), new Temporal.TimeZone('+01:00')),
+        'eql(new Temporal.TimeZone("+01:00"), new Temporal.TimeZone("+01:00"))');
+    });
+
+    it('returns false for different time zones', function () {
+      assert(eql(new Temporal.TimeZone('+01:00'), new Temporal.TimeZone('+02:00')) === false,
+        'eql(new Temporal.TimeZone("+01:00"), new Temporal.TimeZone("+02:00")) === false');
+    });
+  });
+
+  describe('Temporal.Calendar', function () {
+    it('returns true for same calendars', function () {
+      assert(eql(new Temporal.Calendar('gregory'), new Temporal.Calendar('gregory')),
+        'eql(new Temporal.Calendar("gregory"), new Temporal.Calendar("gregory"))');
+    });
+
+    it('returns false for different calendars', function () {
+      assert(eql(new Temporal.Calendar('gregory'), new Temporal.Calendar('iso8601')) === false,
+        'eql(new Temporal.Calendar("gregory"), new Temporal.Calendar("iso8601")) === false');
+    });
+  });
+});