add support for getUnixTime

src/esm/fp/index.js

@@ -130,6 +130,8 @@ export {default as getSeconds} from './getSeconds/index.js'
 export {default as getSecondsWithOptions} from './getSecondsWithOptions/index.js'
 export {default as getTime} from './getTime/index.js'
 export {default as getTimeWithOptions} from './getTimeWithOptions/index.js'
+export {default as getUnixTime} from './getUnixTime/index.js'
+export {default as getUnixTimeWithOptions} from './getUnixTimeWithOptions/index.js'
 export {default as getWeek} from './getWeek/index.js'
 export {default as getWeekOfMonth} from './getWeekOfMonth/index.js'
 export {default as getWeekOfMonthWithOptions} from './getWeekOfMonthWithOptions/index.js'

src/esm/index.js

@@ -65,6 +65,7 @@ export {default as getOverlappingDaysInIntervals} from './getOverlappingDaysInIn
 export {default as getQuarter} from './getQuarter/index.js'
 export {default as getSeconds} from './getSeconds/index.js'
 export {default as getTime} from './getTime/index.js'
+export {default as getUnixTime} from './getUnixTime/index.js'
 export {default as getWeek} from './getWeek/index.js'
 export {default as getWeekOfMonth} from './getWeekOfMonth/index.js'
 export {default as getWeekYear} from './getWeekYear/index.js'

src/fp/getUnixTime/index.d.ts

@@ -0,0 +1,4 @@
+// This file is generated automatically by `scripts/build/typings.js`. Please, don't change it.
+
+import {getUnixTime} from 'date-fns/fp'
+export = getUnixTime

src/fp/getUnixTime/index.js

@@ -0,0 +1,8 @@
+// This file is generated automatically by `scripts/build/fp.js`. Please, don't change it.
+
+import fn from '../../getUnixTime/index.js'
+import convertToFP from '../_lib/convertToFP/index.js'
+
+var getUnixTime = convertToFP(fn, 1)
+
+export default getUnixTime

src/fp/getUnixTime/index.js.flow

@@ -0,0 +1,51 @@
+// @flow
+// This file is generated automatically by `scripts/build/typings.js`. Please, don't change it.
+
+type Interval = {
+  start: Date | string | number,
+  end: Date | string | number
+}
+
+type Options = {
+  weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6,
+  firstWeekContainsDate?: 1 | 2 | 3 | 4 | 5 | 6 | 7,
+  additionalDigits?: 0 | 1 | 2,
+  locale?: Locale,
+  includeSeconds?: boolean,
+  addSuffix?: boolean,
+  unit?: 'second' | 'minute' | 'hour' | 'day' | 'month' | 'year',
+  roundingMethod?: 'floor' | 'ceil' | 'round'
+}
+
+type Locale = {
+  formatDistance: Function,
+  formatRelative: Function,
+  localize: {
+    ordinalNumber: Function,
+    era: Function,
+    quarter: Function,
+    month: Function,
+    day: Function,
+    dayPeriod: Function
+  },
+  formatLong: Object,
+  date: Function,
+  time: Function,
+  dateTime: Function,
+  match: {
+    ordinalNumber: Function,
+    era: Function,
+    quarter: Function,
+    month: Function,
+    day: Function,
+    dayPeriod: Function
+  },
+  options?: {
+    weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6,
+    firstWeekContainsDate?: 1 | 2 | 3 | 4 | 5 | 6 | 7
+  }
+}
+
+type CurriedFn1<A, R> = <A>(a: A) => R
+
+declare module.exports: CurriedFn1<Date | string | number, number>

src/fp/getUnixTimeWithOptions/index.d.ts

@@ -0,0 +1,4 @@
+// This file is generated automatically by `scripts/build/typings.js`. Please, don't change it.
+
+import {getUnixTimeWithOptions} from 'date-fns/fp'
+export = getUnixTimeWithOptions

src/fp/getUnixTimeWithOptions/index.js

@@ -0,0 +1,8 @@
+// This file is generated automatically by `scripts/build/fp.js`. Please, don't change it.
+
+import fn from '../../getUnixTime/index.js'
+import convertToFP from '../_lib/convertToFP/index.js'
+
+var getUnixTimeWithOptions = convertToFP(fn, 2)
+
+export default getUnixTimeWithOptions

src/fp/getUnixTimeWithOptions/index.js.flow

@@ -0,0 +1,54 @@
+// @flow
+// This file is generated automatically by `scripts/build/typings.js`. Please, don't change it.
+
+type Interval = {
+  start: Date | string | number,
+  end: Date | string | number
+}
+
+type Options = {
+  weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6,
+  firstWeekContainsDate?: 1 | 2 | 3 | 4 | 5 | 6 | 7,
+  additionalDigits?: 0 | 1 | 2,
+  locale?: Locale,
+  includeSeconds?: boolean,
+  addSuffix?: boolean,
+  unit?: 'second' | 'minute' | 'hour' | 'day' | 'month' | 'year',
+  roundingMethod?: 'floor' | 'ceil' | 'round'
+}
+
+type Locale = {
+  formatDistance: Function,
+  formatRelative: Function,
+  localize: {
+    ordinalNumber: Function,
+    era: Function,
+    quarter: Function,
+    month: Function,
+    day: Function,
+    dayPeriod: Function
+  },
+  formatLong: Object,
+  date: Function,
+  time: Function,
+  dateTime: Function,
+  match: {
+    ordinalNumber: Function,
+    era: Function,
+    quarter: Function,
+    month: Function,
+    day: Function,
+    dayPeriod: Function
+  },
+  options?: {
+    weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6,
+    firstWeekContainsDate?: 1 | 2 | 3 | 4 | 5 | 6 | 7
+  }
+}
+
+type CurriedFn1<A, R> = <A>(a: A) => R
+
+type CurriedFn2<A, B, R> = <A>(a: A) => CurriedFn1<B, R>
+  | <A, B>(a: A, b: B) => R
+
+declare module.exports: CurriedFn2<Options, Date | string | number, number>

src/fp/index.js

@@ -131,6 +131,8 @@ module.exports = {
   getSecondsWithOptions: require('./getSecondsWithOptions/index.js'),
   getTime: require('./getTime/index.js'),
   getTimeWithOptions: require('./getTimeWithOptions/index.js'),
+  getUnixTime: require('./getUnixTime/index.js'),
+  getUnixTimeWithOptions: require('./getUnixTimeWithOptions/index.js'),
   getWeek: require('./getWeek/index.js'),
   getWeekOfMonth: require('./getWeekOfMonth/index.js'),
   getWeekOfMonthWithOptions: require('./getWeekOfMonthWithOptions/index.js'),

src/fp/index.js.flow

@@ -191,6 +191,8 @@ declare module.exports: {
   getSecondsWithOptions: CurriedFn2<Options, Date | string | number, number>,
   getTime: CurriedFn1<Date | string | number, number>,
   getTimeWithOptions: CurriedFn2<Options, Date | string | number, number>,
+  getUnixTime: CurriedFn1<Date | string | number, number>,
+  getUnixTimeWithOptions: CurriedFn2<Options, Date | string | number, number>,
   getWeek: CurriedFn1<Date | string | number, number>,
   getWeekOfMonth: CurriedFn1<Date | string | number, number>,
   getWeekOfMonthWithOptions: CurriedFn2<Options, Date | string | number, number>,

src/getUnixTime/benchmark.js

@@ -0,0 +1,21 @@
+// @flow
+/* eslint-env mocha */
+/* global suite, benchmark */
+
+import getUnixTime from '.'
+import moment from 'moment'
+
+suite('getTime', function () {
+  benchmark('date-fns', function () {
+    return getUnixTime(this.date)
+  })
+
+  benchmark('Moment.js', function () {
+    return this.moment.unix()
+  })
+}, {
+  setup: function () {
+    this.date = new Date()
+    this.moment = moment()
+  }
+})

src/getUnixTime/index.d.ts

@@ -0,0 +1,4 @@
+// This file is generated automatically by `scripts/build/typings.js`. Please, don't change it.
+
+import {getUnixTime} from 'date-fns'
+export = getUnixTime

src/getUnixTime/index.js

@@ -0,0 +1,29 @@
+import getTime from '../getTime/index.js'
+
+/**
+ * @name getUnixTime
+ * @category Timestamp Helpers
+ * @summary Get the seconds timestamp of the given date.
+ *
+ * @description
+ * Get the seconds timestamp of the given date.
+ *
+ * @param {Date|String|Number} date - the given date
+ * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
+ * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
+ * @returns {Number} the timestamp
+ * @throws {TypeError} 1 argument required
+ * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
+ *
+ * @example
+ * // Get the timestamp of 29 February 2012 11:45:05:
+ * var result = getTime(new Date(2012, 1, 29, 11, 45, 5))
+ * //=> 1330515905
+ */
+export default function getUnixTime (dirtyDate, dirtyOptions) {
+  if (arguments.length < 1) {
+    throw new TypeError('1 argument required, but only ' + arguments.length + ' present')
+  }
+
+  return Math.floor(getTime(dirtyDate, dirtyOptions) / 1000)
+}

src/getUnixTime/index.js.flow

@@ -0,0 +1,52 @@
+// @flow
+// This file is generated automatically by `scripts/build/typings.js`. Please, don't change it.
+
+type Interval = {
+  start: Date | string | number,
+  end: Date | string | number
+}
+
+type Options = {
+  weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6,
+  firstWeekContainsDate?: 1 | 2 | 3 | 4 | 5 | 6 | 7,
+  additionalDigits?: 0 | 1 | 2,
+  locale?: Locale,
+  includeSeconds?: boolean,
+  addSuffix?: boolean,
+  unit?: 'second' | 'minute' | 'hour' | 'day' | 'month' | 'year',
+  roundingMethod?: 'floor' | 'ceil' | 'round'
+}
+
+type Locale = {
+  formatDistance: Function,
+  formatRelative: Function,
+  localize: {
+    ordinalNumber: Function,
+    era: Function,
+    quarter: Function,
+    month: Function,
+    day: Function,
+    dayPeriod: Function
+  },
+  formatLong: Object,
+  date: Function,
+  time: Function,
+  dateTime: Function,
+  match: {
+    ordinalNumber: Function,
+    era: Function,
+    quarter: Function,
+    month: Function,
+    day: Function,
+    dayPeriod: Function
+  },
+  options?: {
+    weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6,
+    firstWeekContainsDate?: 1 | 2 | 3 | 4 | 5 | 6 | 7
+  }
+}
+
+declare module.exports: (
+  date: Date | string | number,
+  options?: Options
+) => number

src/getUnixTime/test.js

@@ -0,0 +1,41 @@
+// @flow
+/* eslint-env mocha */
+
+import assert from 'power-assert'
+import getUnixTime from '.'
+
+describe('getUnixTime', function () {
+  it('returns the timestamp of the given date', function () {
+    var timestamp = 1483228800000
+    var result = getUnixTime(new Date(timestamp))
+    assert(result === Math.floor(timestamp / 1000))
+  })
+
+  it('accepts a string', function () {
+    var timestamp = 1484503736150
+    var result = getUnixTime(new Date(timestamp).toISOString())
+    assert(result === Math.floor(timestamp / 1000))
+  })
+
+  it('accepts a timestamp (and returns it unchanged)', function () {
+    var timestamp = 804643200000
+    var result = getUnixTime(timestamp)
+    assert(result === Math.floor(timestamp / 1000))
+  })
+
+  it('returns NaN if the given date is invalid', function () {
+    var result = getUnixTime(new Date(NaN))
+    assert(isNaN(result))
+  })
+
+  it('throws `RangeError` if `options.additionalDigits` is not convertable to 0, 1, 2 or undefined', function () {
+    var timestamp = 1483228800000
+    // $ExpectedMistake
+    var block = getUnixTime.bind(null, new Date(timestamp), {additionalDigits: NaN})
+    assert.throws(block, RangeError)
+  })
+
+  it('throws TypeError exception if passed less than 1 argument', function () {
+    assert.throws(getUnixTime.bind(null), TypeError)
+  })
+})

src/index.js

@@ -66,6 +66,7 @@ module.exports = {
   getQuarter: require('./getQuarter/index.js'),
   getSeconds: require('./getSeconds/index.js'),
   getTime: require('./getTime/index.js'),
+  getUnixTime: require('./getUnixTime/index.js'),
   getWeek: require('./getWeek/index.js'),
   getWeekOfMonth: require('./getWeekOfMonth/index.js'),
   getWeekYear: require('./getWeekYear/index.js'),

src/index.js.flow

@@ -409,6 +409,11 @@ declare module.exports: {
     options?: Options
   ) => number,
 
+  getUnixTime: (
+    date: Date | string | number,
+    options?: Options
+  ) => number,
+
   getWeek: (
     date: Date | string | number,
     options?: Options