Add support for parsing iso-8601 dates #215
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ritave
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The Maybe this is fine for our purposes at the moment but did you also consider the new Temporal API? I feel that would make it more future-proof and reduce reliance on any single implementation.
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hmalik88
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Oct 16, 2024
| export const InvalidIso8601Date = new Error('Invalid ISO-8601 date'); | ||
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| /** | ||
| * Parses ISO-8601 date time string. |
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| * Parses ISO-8601 date time string. | |
| * Parses ISO-8601 extended format date time string. |
hmalik88
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| assert(year !== undefined, 'Invalid ISO-8601 parser state'); | ||
| month = month ?? '01'; | ||
| date = date ?? '01'; | ||
| hours = hours ?? '00'; | ||
| minutes = minutes ?? '00'; | ||
| seconds = seconds ?? '00'; | ||
| offsetHours = offsetHours ?? '00'; | ||
| offsetMinutes = offsetMinutes ?? '00'; |
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Mind leaving a comment about how this is accounting for partial dates as that is something that ISO-8601 allows?
hmalik88
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Oct 16, 2024
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| }; | ||
| const consumeSeparator = (sep: '-' | ':') => { |
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| }; | |
| const consumeSeparator = (sep: '-' | ':') => { | |
| }; | |
| const consumeSeparator = (sep: '-' | ':') => { |
hmalik88
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| }; | ||
| const skip = (count = 1) => { |
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| }; | |
| const skip = (count = 1) => { | |
| }; | |
| const skip = (count = 1) => { |
hmalik88
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| }; | ||
| const peek = () => { |
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| }; | |
| const peek = () => { | |
| }; | |
| const peek = () => { |
hmalik88
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Oct 16, 2024
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| case ParseDateState.Timezone: | ||
| timezone = consume(); | ||
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| if (timezone === 'Z') { | ||
| if (peek() !== END) { | ||
| throw InvalidIso8601Date; | ||
| } | ||
| state = ParseDateState.End; | ||
| } else if (['-', '+'].includes(timezone)) { | ||
| state = ParseDateState.TimezoneHour; | ||
| } else { | ||
| throw InvalidIso8601Date; | ||
| } |
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This logic should probably be updated in accordance with MetaMask/SIPs#152
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SIP-28: Background Events requires support for ISO-8601 date and times with timezones.
I found no viable library to support our use-case and thus implemented our own.