Date: Filter am/pm data for "a" date pattern#699
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I looked at the diff. Can't say that I understand much, but also didn't spot anything fishy. Maybe that helps? |
jzaefferer
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Mar 7, 2017
| assertParse( assert, "5 AM", "h a", cldr, date1 ); | ||
| assertParse( assert, "5 PM", "h a", cldr, date2 ); | ||
| assertParse( assert, "上午5", "ah", zh, date1 ); | ||
| assertParse( assert, "下午5", "ah", zh, date2 ); |
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Can you explain what this assertion does? What's the purpose of assertParse, what are the arguments doing?
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I wish this was something like expect( parse( "下午5", "ah", zh ) ).to.equalTime( date2 ). Back to our existing code, assertParse is a utility function defined in this same file. It asserts that parsing "下午" string in the "ah" raw-pattern using the zh (Chinese) data equals date2.
CLDR introduced additional dayPeriods (e.g., morning1, afternoon1, evening1, etc) along with am and pm. The new dayPeriods should be handle by "b" and "B" date patterns, while the "a" pattern should still handle am/pm. For Chinese, the corresponding value for either pm or afternoon1 is exactly the same, therefore it causes problem on the reverse lookup when parsing. This change fixes the above parsing issue by filtering am/pm only in the parser properties. It also filters it out on formatting as a simple optimization (to avoid unnecessary properties). Fixes globalizejs#509 Closes globalizejs#508
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CLDR introduced additional dayPeriods (e.g., morning1, afternoon1,
evening1, etc) along with am and pm. The new dayPeriods should be handle
by "b" and "B" date patterns, while the "a" pattern should still handle
am/pm.
For Chinese, the corresponding value for either pm or afternoon1 is
exactly the same, therefore it causes problem on the reverse lookup when
parsing.
This change fixes the above parsing issue by filtering am/pm only in the
parser properties. It also filters it out on formatting as a simple
optimization (to avoid unnecessary properties).
Fixes #509
Closes #508