Fixes #35: Added the unit function to convert milliseconds to multipl… #66
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…s to multiple different date formats and fixed other two test cases assertions
WalkthroughThe pull request introduces enhanced date manipulation utilities in the project. A new function Changes
Sequence DiagramsequenceDiagram
participant User
participant DateUtility
participant DateFormat
User->>DateUtility: getDateFromMilliseconds(timestamp)
DateUtility->>DateFormat: Determine format
DateFormat-->>DateUtility: Return formatted date string
DateUtility-->>User: Formatted date
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Actionable comments posted: 0
🧹 Nitpick comments (2)
src/date.ts (1)
189-194: Use Epoch constants for better clarity.
Using1000as a magic number is common, but consider referencing a constant likeMILLISECONDS_IN_SECOND = 1000to improve code readability.export function dateToUnixTimestamp(date: Date): number { - return Math.round(date.getTime() / 1000); + const MILLISECONDS_IN_SECOND = 1000; + return Math.round(date.getTime() / MILLISECONDS_IN_SECOND); }README.md (1)
179-179: Add clarifying note about timezones.
Include a small note about how the local timezone affects these date conversion examples. This helps users avoid confusion when comparing local results to the examples shown.
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README.md(1 hunks)src/date.ts(2 hunks)test/date.test.ts(3 hunks)
🔇 Additional comments (8)
src/date.ts (3)
5-11: Ensure negative hour offsets are formatted correctly.
The implementation correctly handles minute offsets by appending them to the hour offset. However, be sure to test negative offsets thoroughly (e.g., UTC-03:30). Some timezones have half or quarter-hour offsets. Consider adding unit tests to guarantee correctness for partial offsets (e.g., UTC+05:30).
196-201: Enum naming is clear and robust.
The enumeration values are appropriately descriptive, making it easy to understand the expected output format.
203-219: Add input validation for large or negative milliseconds.
While the function logic is correct, consider validating against negative or extremely large millisecond values and ensuring they result in a properly formatted date string.test/date.test.ts (4)
87-87: Regex coverage is sufficient.
The new regex pattern looks good, covering a broad range of valid timestamps. Confirm that boundary cases (e.g., single-digit months/days) produce matching results.
195-195: Improve match group coverage for partial-hour offsets.
Currently, the regex allows for offsets up to ±13 hours. If you need to handle offsets beyond ±13 hours or half-hour offsets, broaden or refine the regex.
242-248: Validate DST transitions.
When converting a known UTC date to a Unix timestamp, ensure you test Daylight Saving Time transitions if the environment or test suite simulates them.
250-282: Great test coverage forgetDateFromMilliseconds().
Multiple formats are tested thoroughly, which is excellent. If possible, add a test for edge cases like Unix epoch start (0 ms) or a negative timestamp.README.md (1)
180-185: Great documentation forgetDateFromMilliseconds().
Providing multiple usage samples for the new function is highly beneficial. This clarifies behavior for each format.
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Actionable comments posted: 0
🧹 Nitpick comments (3)
src/date.ts (2)
1-8: Consider renaming the function for clarity.
The functionresetTimezonedoesn't actually reset anything; it merely constructs and returns a timezone offset string. A more descriptive name likegetTimezoneOffsetStringmight be clearer.
193-198: Consider adding documentation for each enum value.
Providing brief inline comments for eachDateFormatmember can improve clarity for new contributors.test/date.test.ts (1)
87-87: Regex pattern might be more readable.
Consider moving the$symbol outside the capturing group for clarity, e.g.([0-5][0-9])$instead of([0-5][0-9]$).
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🔇 Additional comments (6)
src/date.ts (3)
59-59: No concerns at this line.
The use of theresetTimezonefunction here is consistent.
185-191: Implementation is correct.
This function accurately converts aDateobject to a Unix timestamp in seconds. Keep in mind that any fractional milliseconds are rounded.
200-216: Meets the PR objective.
This function directly addresses the request in #35 by formatting a date derived from milliseconds into various output styles.test/date.test.ts (3)
195-195: Consider UTC+14 edge cases.
If you need to accommodate regions using UTC+14, update(0[0-9]|1[0-3])to include14.
241-248: Test coverage fordateToUnixTimestampis thorough.
These assertions properly validate the conversion to a Unix timestamp in seconds.
250-281: Comprehensive testing ofgetDateFromMilliseconds.
All expected formats are covered, ensuring robust validation for eachDateFormatcase.
Pull request is for this issue -
#35 and
#36
A function is added that takes milliseconds as an argument and returns Date object, if second optional parmeters is provided, it will return the date in the specified format.
Also, the pull request contains a fix other two test cases which were failing earlier.
We put the TIMEZONE object inside the resetTimezone() function, and now we are getting the timezone based on the date that needs to be transformed.
Screenshot for reference -
Summary by CodeRabbit
New Features
Documentation
Tests