TimeZone - a plugin with time zone support for parsing and formatting strings #325
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The build fails only on Node.js 6, because of the usage of $ npm run build
> dayjs@0.0.0-development build /home/travis/build/iamkun/dayjs
> cross-env BABEL_ENV=build node build && npm run size
/home/travis/build/iamkun/dayjs/build/index.js:13
async function build(option) {
^^^^^^^^
SyntaxError: Unexpected token function |
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Codecov Report
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## master #325 +/- ##
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Coverage 100% 100%
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Files 32 33 +1
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Branches 53 63 +10
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+ Hits 386 441 +55
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we build |
Add test for parsing a string with time zone.
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Oh, I am sorry, @iamkun. I implemented other workaround for not having the built files for testing. I will need to figure out the code coverage yet, which does not show me any report. |
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@prantlf you may could run |
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Yes, that helped, thanks! :-) I think, that I confused codecov by rebasing the PR branch to the current master and forcing the re-push. |
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* Use the timezone-support module to get a lightweight time zone support. * Construct Dayjs from a zone-less string and an explit time zone. * Format a string with Dayjs converted to other time zone.
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It would be possible to bundle the timezone-support module to the timeZone plugin. It is a single-file dependency.
Upgrade timezone-support to 1.3.0 suporting dayOfWeek.
Codecov Report
@@ Coverage Diff @@
## master #325 +/- ##
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Coverage 100% 100%
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Files 32 33 +1
Lines 386 440 +54
Branches 53 63 +10
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+ Hits 386 440 +54
Continue to review full report at Codecov.
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Codecov Report
@@ Coverage Diff @@
## master #325 +/- ##
=====================================
Coverage 100% 100%
=====================================
Files 32 33 +1
Lines 386 442 +56
Branches 53 63 +10
=====================================
+ Hits 386 442 +56
Continue to review full report at Codecov.
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3 similar comments
Codecov Report
@@ Coverage Diff @@
## master #325 +/- ##
=====================================
Coverage 100% 100%
=====================================
Files 32 33 +1
Lines 386 442 +56
Branches 53 63 +10
=====================================
+ Hits 386 442 +56
Continue to review full report at Codecov.
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Codecov Report
@@ Coverage Diff @@
## master #325 +/- ##
=====================================
Coverage 100% 100%
=====================================
Files 32 33 +1
Lines 386 442 +56
Branches 53 63 +10
=====================================
+ Hits 386 442 +56
Continue to review full report at Codecov.
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Codecov Report
@@ Coverage Diff @@
## master #325 +/- ##
=====================================
Coverage 100% 100%
=====================================
Files 32 33 +1
Lines 386 442 +56
Branches 53 63 +10
=====================================
+ Hits 386 442 +56
Continue to review full report at Codecov.
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Codecov Report
@@ Coverage Diff @@
## master #325 +/- ##
=====================================
Coverage 100% 100%
=====================================
Files 32 33 +1
Lines 386 442 +56
Branches 53 63 +10
=====================================
+ Hits 386 442 +56
Continue to review full report at Codecov.
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2 similar comments
Codecov Report
@@ Coverage Diff @@
## master #325 +/- ##
=====================================
Coverage 100% 100%
=====================================
Files 32 33 +1
Lines 386 442 +56
Branches 53 63 +10
=====================================
+ Hits 386 442 +56
Continue to review full report at Codecov.
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Codecov Report
@@ Coverage Diff @@
## master #325 +/- ##
=====================================
Coverage 100% 100%
=====================================
Files 32 33 +1
Lines 386 442 +56
Branches 53 63 +10
=====================================
+ Hits 386 442 +56
Continue to review full report at Codecov.
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Codecov Report
@@ Coverage Diff @@
## master #325 +/- ##
=====================================
Coverage 100% 100%
=====================================
Files 32 44 +12
Lines 386 481 +95
Branches 53 65 +12
=====================================
+ Hits 386 481 +95
Continue to review full report at Codecov.
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@pedro-mass, true, I ignored the day of the week in the original submission. I added it by the latest update. All properties of the |
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@prantlf This looks awesome, thanks for the hard work and contribution! |
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Thank you! Let's see how it goes on :-) I was thinking about introducing an interface compatible with Moment.js: // Alternative to the constructor:
// dayjs('2018-09-29 21:34', { timeZone: 'Europe/Berlin' })
dayjs.tz('2018-09-29 21:34', 'Europe/Berlin')
// Convert an existing Day.js instance to other time zone
dayjs().tz('Europe/Berlin')The alternative to the constructor means no problem to the further usage. You might question if it is worth adding, because you need to pass the time zone as a parameter anyway, unlike the static method The time zone conversion for a Day.js instance may confuse the end-user. Day.js stores a
The first approach would be interesting to prototype. It could turn up lightweight and quick. I chose the third approach, because it was not intrusive, it was feasible as a plugin and the interface could be kept if the first approach won later. However, The third approach does store the time zone information publicly in a |
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@prantlf Thanks for that great contribution! The interface compatible with Moment.js would be very great. 👏 |
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@aralroca, I'm afraid, that I went for the option 3 from my comment above, which doesn't allow implementing the interface fully compatible with Moment.js... :'-{ I could implement the static The trouble with the static const date = dayjs.tz('2018-09-29 21:34', 'Europe/Berlin')
// Some code here, or the date may be passed to a distant function
const output = date.format('DD/MM/YYYY')What would you expect from such |
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Hi, I'm inquiring to the status of this PR. Would be incredibly useful to have timezone support in dayjs. Thanks. |
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curious about status too |
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@danielb2 You might not need dayjs. https://caniuse.com/#search=datetimeformat For older browsers, there's a polyfill (npm module |
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Any Update? I can't wait for this plugin. |
This pr introduced a heavy dependency which is not really suitable to dayjs. We will introduce a time zone plugin base on
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Day.js Time Zone Plugin https://day.js.org/docs/en/timezone/timezone |
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| | Format | Output | Description | | ||
| | ------ | ------ | ----------------------- | | ||
| | `z` | CEST | Time zone abbreviation | |
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@iamkun any chance to implement this as part of the timezone plugin?
Day.js Time Zone Plugin https://day.js.org/docs/en/timezone/timezone
Attempts to implement #323 by introducing the TimeZone plugin.
It uses the IANA time zone database, packed to a JSON format by moment-time-zone and with a simple interface to it provided by timezone-support.
Although the
Intltime zone support has been introduced, there are still browsers or platforms, which do not support it and would not mind "paying for" the support by including more JavaScript code. The size of the time zone supporting library without the Day.js plugin: source 185 kB, minified 182 kB, gzipped 24 kB.I can imagine adding support for remembering the time zone for future calls to
.format()as discussed at #46.Time zone conversions are possible already without an additional API. Jut use UTC date from one Day.js object and format it the target time zone using the other (or the same) Day.js object.