fix: add arraySupport plugin (#1129)

src/plugin/arraySupport/index.js

@@ -0,0 +1,25 @@
+export default (o, c, dayjs) => {
+  const proto = c.prototype
+  const parseDate = (cfg) => {
+    const { date, utc } = cfg
+    if (Array.isArray(date)) {
+      if (utc) {
+        if (!date.length) {
+          return new Date()
+        }
+        return new Date(Date.UTC.apply(null, date))
+      }
+      if (date.length === 1) {
+        return dayjs(String(date[0])).toDate()
+      }
+      return new (Function.prototype.bind.apply(Date, [null].concat(date)))()
+    }
+    return date
+  }
+
+  const oldParse = proto.parse
+  proto.parse = function (cfg) {
+    cfg.date = parseDate.bind(this)(cfg)
+    oldParse.bind(this)(cfg)
+  }
+}

test/plugin/arraySupport.test.js

@@ -0,0 +1,52 @@
+import MockDate from 'mockdate'
+import moment from 'moment'
+import dayjs from '../../src'
+import arraySupport from '../../src/plugin/arraySupport'
+import utc from '../../src/plugin/utc'
+
+dayjs.extend(utc)
+dayjs.extend(arraySupport)
+
+beforeEach(() => {
+  MockDate.set(new Date())
+})
+
+afterEach(() => {
+  MockDate.reset()
+})
+
+describe('parse empty array', () => {
+  it('local', () => {
+    expect(dayjs([]).format())
+      .toBe(moment([]).format())
+  })
+  it('utc', () => {
+    expect(dayjs.utc([]).format())
+      .toBe(moment.utc([]).format())
+  })
+})
+
+const testArrs = [
+  [2010, 1, 14, 15, 25, 50, 125],
+  [2010],
+  [2010, 6],
+  [2010, 6, 10]
+]
+
+describe('parse array local', () => {
+  testArrs.forEach((testArr) => {
+    it(testArr, () => {
+      expect(dayjs(testArr).format())
+        .toBe(moment(testArr).format())
+    })
+  })
+})
+
+describe('parse array utc', () => {
+  testArrs.forEach((testArr) => {
+    it(testArr, () => {
+      expect(dayjs.utc(testArr).format())
+        .toBe(moment.utc(testArr).format())
+    })
+  })
+})

types/plugin/arraySupport.d.ts

@@ -0,0 +1,4 @@
+import { PluginFunc } from 'dayjs'
+
+declare const plugin: PluginFunc
+export = plugin