Merge pull request iamkun#823 from iamkun/dev

D2M
epszaw · Mar 8, 2020 · ebbd348 · ebbd348
2 parents b9d64e1 + 4868715
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diff --git a/docs/en/API-reference.md b/docs/en/API-reference.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/parse/parse) for more  information.
 
 -------------
 

diff --git a/docs/en/I18n.md b/docs/en/I18n.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/i18n/i18n) for more  information.
 
 -------------
 

diff --git a/docs/en/Installation.md b/docs/en/Installation.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/installation/installation) for more  information.
 
 -------------
 

diff --git a/docs/en/Plugin.md b/docs/en/Plugin.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/plugin/plugin) for more  information.
 
 -------------
 

diff --git a/docs/es-es/API-reference.md b/docs/es-es/API-reference.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/parse/parse) for more  information.
 
 -------------
 

diff --git a/docs/es-es/I18n.md b/docs/es-es/I18n.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/i18n/i18n) for more  information.
 
 -------------
 

diff --git a/docs/es-es/Installation.md b/docs/es-es/Installation.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/installation/installation) for more  information.
 
 -------------
 

diff --git a/docs/es-es/Plugin.md b/docs/es-es/Plugin.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/plugin/plugin) for more  information.
 
 -------------
 

diff --git a/docs/ja/API-reference.md b/docs/ja/API-reference.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/parse/parse) for more  information.
 
 -------------
 

diff --git a/docs/ja/I18n.md b/docs/ja/I18n.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/i18n/i18n) for more  information.
 
 -------------
 

diff --git a/docs/ja/Installation.md b/docs/ja/Installation.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/installation/installation) for more  information.
 
 -------------
 

diff --git a/docs/ja/Plugin.md b/docs/ja/Plugin.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/plugin/plugin) for more  information.
 
 -------------
 

diff --git a/docs/ko/API-reference.md b/docs/ko/API-reference.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/parse/parse) for more  information.
 
 -------------
 

diff --git a/docs/ko/I18n.md b/docs/ko/I18n.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/i18n/i18n) for more  information.
 
 -------------
 

diff --git a/docs/ko/Installation.md b/docs/ko/Installation.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/installation/installation) for more  information.
 
 -------------
 

diff --git a/docs/ko/Plugin.md b/docs/ko/Plugin.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/plugin/plugin) for more  information.
 
 -------------
 

diff --git a/docs/pt-br/API-reference.md b/docs/pt-br/API-reference.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/parse/parse) for more  information.
 
 -------------
 

diff --git a/docs/pt-br/I18n.md b/docs/pt-br/I18n.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/i18n/i18n) for more  information.
 
 -------------
 

diff --git a/docs/pt-br/Installation.md b/docs/pt-br/Installation.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/installation/installation) for more  information.
 
 -------------
 

diff --git a/docs/pt-br/Plugin.md b/docs/pt-br/Plugin.md
@@ -2,7 +2,7 @@
 
 The document here **no longer** updates.
 
-Please visit our website [https://day.js.org](https://day.js.org) for more  information.
+Please visit our website [https://day.js.org](https://day.js.org/docs/en/plugin/plugin) for more  information.
 
 -------------
 

diff --git a/docs/zh-cn/API-reference.md b/docs/zh-cn/API-reference.md
@@ -2,7 +2,7 @@
 
 此处的文档将**不再**更新。
 
-请访问网站 [https://day.js.org](https://day.js.org) 查看更多信息。
+请访问网站 [https://day.js.org](https://day.js.org/docs/zh-CN/parse/parse) 查看更多信息。
 
 -------------
 

diff --git a/docs/zh-cn/I18n.md b/docs/zh-cn/I18n.md
@@ -2,7 +2,7 @@
 
 此处的文档将**不再**更新。
 
-请访问网站 [https://day.js.org](https://day.js.org) 查看更多信息。
+请访问网站 [https://day.js.org](https://day.js.org/docs/zh-CN/i18n/i18n) 查看更多信息。
 
 -------------
 

diff --git a/docs/zh-cn/Installation.md b/docs/zh-cn/Installation.md
@@ -2,7 +2,7 @@
 
 此处的文档将**不再**更新。
 
-请访问网站 [https://day.js.org](https://day.js.org) 查看更多信息。
+请访问网站 [https://day.js.org](https://day.js.org/docs/zh-CN/installation/installation) 查看更多信息。
 
 -------------
 

diff --git a/docs/zh-cn/Plugin.md b/docs/zh-cn/Plugin.md
@@ -2,7 +2,7 @@
 
 此处的文档将**不再**更新。
 
-请访问网站 [https://day.js.org](https://day.js.org) 查看更多信息。
+请访问网站 [https://day.js.org](https://day.js.org/docs/zh-CN/plugin/plugin) 查看更多信息。
 
 -------------
 

diff --git a/docs/zh-cn/README.zh-CN.md b/docs/zh-cn/README.zh-CN.md
@@ -52,7 +52,7 @@ dayjs()
 npm install dayjs --save
 ```
 
-📚[安装指南](https://day.js.org/docs/en/installation/installation)
+📚[安装指南](https://day.js.org/docs/zh-CN/installation/installation)
 
 ### API
 
@@ -72,7 +72,7 @@ dayjs().add(1, 'year') // 处理
 dayjs().isBefore(dayjs()) // 查询
 ```
 
-📚[API 参考](https://day.js.org/docs/en/parse/parse)
+📚[API 参考](https://day.js.org/docs/zh-CN/parse/parse)
 
 ### 国际化 I18n
 
@@ -90,7 +90,7 @@ dayjs('2018-05-05')
   .format() // 在这个实例上使用简体中文
 ```
 
-📚[国际化 I18n](https://day.js.org/docs/en/i18n/i18n)
+📚[国际化 I18n](https://day.js.org/docs/zh-CN/i18n/i18n)
 
 ### 插件
 
@@ -104,7 +104,7 @@ dayjs.extend(advancedFormat) // 使用插件
 dayjs().format('Q Do k kk X x') // 使用扩展后的API
 ```
 
-📚[插件列表](https://day.js.org/docs/en/plugin/plugin)
+📚[插件列表](https://day.js.org/docs/zh-CN/plugin/plugin)
 
 ## 开源协议
 

diff --git a/src/index.js b/src/index.js
@@ -24,8 +24,8 @@ const parseLocale = (preset, object, isLocal) => {
     Ls[name] = preset
     l = name
   }
-  if (!isLocal) L = l
-  return l
+  if (!isLocal && l) L = l
+  return l || (!isLocal && L)
 }
 
 const dayjs = (date, c, pl) => {

diff --git a/src/plugin/isoWeek/index.js b/src/plugin/isoWeek/index.js
@@ -0,0 +1,51 @@
+import { D, W, Y } from '../../constant'
+
+const isoWeekPrettyUnit = 'isoweek'
+
+export default (o, c, d) => {
+  const getYearFirstThursday = (year) => {
+    const yearFirstDay = d().year(year).startOf(Y)
+    let addDiffDays = 4 - yearFirstDay.isoWeekday()
+    if (yearFirstDay.isoWeekday() > 4) {
+      addDiffDays += 7
+    }
+    return yearFirstDay.add(addDiffDays, D)
+  }
+
+  const getCurrentWeekThursday = ins => ins.add((4 - ins.isoWeekday()), D)
+
+  const proto = c.prototype
+
+  proto.isoWeekYear = function () {
+    const nowWeekThursday = getCurrentWeekThursday(this)
+    return nowWeekThursday.year()
+  }
+
+  proto.isoWeek = function (week) {
+    if (!this.$utils().u(week)) {
+      return this.add((week - this.isoWeek()) * 7, D)
+    }
+    const nowWeekThursday = getCurrentWeekThursday(this)
+    const diffWeekThursday = getYearFirstThursday(this.isoWeekYear())
+    return nowWeekThursday.diff(diffWeekThursday, W) + 1
+  }
+
+  proto.isoWeekday = function (week) {
+    if (!this.$utils().u(week)) {
+      return this.day(this.day() % 7 ? week : week - 7)
+    }
+    return this.day() || 7
+  }
+
+  const oldStartOf = proto.startOf
+  proto.startOf = function (units, startOf) {
+    const utils = this.$utils()
+    const isStartOf = !utils.u(startOf) ? startOf : true
+    const unit = utils.p(units)
+    if (unit === isoWeekPrettyUnit) {
+      return isStartOf ? this.date(this.date() - (this.isoWeekday() - 1)).startOf('day') :
+        this.date((this.date() - 1 - (this.isoWeekday() - 1)) + 7).endOf('day')
+    }
+    return oldStartOf.bind(this)(units, startOf)
+  }
+}
diff --git a/test/locale.test.js b/test/locale.test.js
@@ -12,6 +12,7 @@ afterEach(() => {
 })
 
 const format = 'dddd D, MMMM'
+const NOT_SUPPORTED_LOCALE_STRING = 'not_supported_locale_string'
 
 it('Uses spanish locale through constructor', () => { // not recommend
   expect(dayjs('2018-4-28', { locale: es })
@@ -123,10 +124,24 @@ describe('Instance locale inheritance', () => {
 })
 
 
-it('Not supported locale string fallback to previous one', () => {
+it('Not supported locale string fallback to previous one (instance)', () => {
   const D = dayjs()
-  const DFormat = D.format()
-  const D2 = D.locale('not_supported_locale_string')
-  const D2Format = D2.format()
-  expect(DFormat).toBe(D2Format)
+  expect(D.locale()).toBe('en')
+  const D2 = D.locale(NOT_SUPPORTED_LOCALE_STRING)
+  expect(D2.locale()).toBe('en')
+  expect(D2.format()).toBe(D.format())
+  const D3 = D2.locale('es')
+  expect(D3.locale()).toBe('es')
+  const D4 = D3.locale(NOT_SUPPORTED_LOCALE_STRING)
+  expect(D4.locale()).toBe('es')
+})
+
+it('Not supported locale string fallback to previous one (global)', () => {
+  expect(dayjs().locale()).toBe('en')
+  dayjs.locale(NOT_SUPPORTED_LOCALE_STRING)
+  expect(dayjs().locale()).toBe('en')
+  dayjs.locale('es')
+  expect(dayjs().locale()).toBe('es')
+  dayjs.locale(NOT_SUPPORTED_LOCALE_STRING)
+  expect(dayjs().locale()).toBe('es')
 })