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fix(datetime): handle am / pm variants #5406

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merged 18 commits into from
Aug 9, 2024
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Merged

fix(datetime): handle am / pm variants #5406

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7bc8ce0
initial commit
timreichen Jul 10, 2024
41af26c
Merge branch 'main' into datetime-fix-am/pm-variants
timreichen Jul 11, 2024
4f0e836
Merge branch 'main' into datetime-fix-am/pm-variants
timreichen Jul 11, 2024
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Merge branch 'main' into datetime-fix-am/pm-variants
timreichen Jul 31, 2024
092bdca
Merge branch 'main' into datetime-fix-am/pm-variants
timreichen Aug 1, 2024
413b8a0
update
timreichen Aug 2, 2024
d836a17
Merge branch 'main' into datetime-fix-am/pm-variants
timreichen Aug 2, 2024
cbae847
update
timreichen Aug 2, 2024
e197d9a
Merge branch 'main' into datetime-fix-am/pm-variants
timreichen Aug 2, 2024
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Merge branch 'main' into datetime-fix-am/pm-variants
timreichen Aug 6, 2024
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Merge branch 'main' into datetime-fix-am/pm-variants
timreichen Aug 8, 2024
0d5ee62
Merge branch 'main' into datetime-fix-am/pm-variants
timreichen Aug 8, 2024
501abf8
Merge branch 'main' into datetime-fix-am/pm-variants
timreichen Aug 8, 2024
89712ac
clean diff
iuioiua Aug 9, 2024
4ae2c0a
add pm tests
timreichen Aug 9, 2024
2d524c4
remove dead code
timreichen Aug 9, 2024
3535144
update
timreichen Aug 9, 2024
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Merge branch 'main' into datetime-fix-am/pm-variants
timreichen Aug 9, 2024
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35 changes: 33 additions & 2 deletions datetime/_date_time_formatter.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -462,7 +462,21 @@ export class DateTimeFormatter {
break;
}
case "dayPeriod": {
value = /^(A|P)M/.exec(string)?.[0] as string;
value = /^[AP](?:\.M\.|M\.?)/i.exec(string)?.[0] as string;
switch (value.toUpperCase()) {
case "AM":
case "AM.":
case "A.M.":
value = "AM";
break;
case "PM":
case "PM.":
case "P.M.":
value = "PM";
break;
default:
throw new Error(`dayPeriod '${value}' is not supported.`);
}
break;
}
case "literal": {
Expand Down Expand Up @@ -542,7 +556,24 @@ export class DateTimeFormatter {
const dayPeriod = parts.find(
(part: DateTimeFormatPart) => part.type === "dayPeriod",
);
if (dayPeriod?.value === "PM") value += 12;
if (dayPeriod) {
switch (dayPeriod.value.toUpperCase()) {
case "AM":
case "AM.":
case "A.M.":
// ignore
break;
case "PM":
case "PM.":
case "P.M.":
value += 12;
break;
default:
throw new Error(
`dayPeriod '${dayPeriod.value}' is not supported.`,
);
}
}
utc ? date.setUTCHours(value) : date.setHours(value);
break;
}
Expand Down
176 changes: 173 additions & 3 deletions datetime/_date_time_formatter_test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,14 @@ Deno.test("dateTimeFormatter.format()", () => {
new Date(2020, 0, 1, 23, 59, 59),
"2020-01-01 23:59:59 PM",
],
[
"yyyy-MM-dd hh:mm:ss a",
new Date(2020, 0, 1, 23, 59, 59),
"2020-01-01 11:59:59 PM",
],
["yyyy-MM-dd a", new Date(2020, 0, 1), "2020-01-01 AM"],
["yyyy-MM-dd HH:mm:ss a", new Date(2020, 0, 1), "2020-01-01 00:00:00 AM"],
["yyyy-MM-dd hh:mm:ss a", new Date(2020, 0, 1), "2020-01-01 12:00:00 AM"],
["yyyy", new Date(2020, 0, 1), "2020"],
["MM", new Date(2020, 0, 1), "01"],
] as const;
Expand Down Expand Up @@ -74,7 +81,7 @@ Deno.test("dateTimeFormatter.partsToDate()", () => {
const format = "yyyy-MM-dd HH:mm:ss.SSS a";
const formatter = new DateTimeFormatter(format);
assertEquals(
+formatter.partsToDate([
formatter.partsToDate([
{ type: "year", value: "2020" },
{ type: "month", value: "01" },
{ type: "day", value: "01" },
Expand All @@ -85,7 +92,170 @@ Deno.test("dateTimeFormatter.partsToDate()", () => {
{ type: "dayPeriod", value: "AM" },
{ type: "timeZoneName", value: "UTC" },
]),
+date,
date,
);
});
Deno.test("dateTimeFormatter.partsToDate() works with am dayPeriod", () => {
const date = new Date("2020-01-01T00:00:00.000Z");
using _time = new FakeTime(date);
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const format = "HH a";
const formatter = new DateTimeFormatter(format);
assertEquals(
formatter.partsToDate([
{ type: "hour", value: "00" },
{ type: "dayPeriod", value: "AM" },
{ type: "timeZoneName", value: "UTC" },
]),
date,
);
assertEquals(
formatter.partsToDate([
{ type: "hour", value: "00" },
{ type: "dayPeriod", value: "AM." },
{ type: "timeZoneName", value: "UTC" },
]),
date,
);
assertEquals(
formatter.partsToDate([
{ type: "hour", value: "00" },
{ type: "dayPeriod", value: "A.M." },
{ type: "timeZoneName", value: "UTC" },
]),
date,
);
assertEquals(
formatter.partsToDate([
{ type: "hour", value: "00" },
{ type: "dayPeriod", value: "am" },
{ type: "timeZoneName", value: "UTC" },
]),
date,
);
assertEquals(
formatter.partsToDate([
{ type: "hour", value: "00" },
{ type: "dayPeriod", value: "am." },
{ type: "timeZoneName", value: "UTC" },
]),
date,
);
assertEquals(
formatter.partsToDate([
{ type: "hour", value: "00" },
{ type: "dayPeriod", value: "a.m." },
{ type: "timeZoneName", value: "UTC" },
]),
date,
);
});
Deno.test("dateTimeFormatter.partsToDate() works with pm dayPeriod", () => {
const date = new Date("2020-01-01T13:00:00.000Z");
using _time = new FakeTime(date);
const format = "HH a";
const formatter = new DateTimeFormatter(format);

assertEquals(
formatter.partsToDate([
{ type: "hour", value: "01" },
{ type: "dayPeriod", value: "PM" },
{ type: "timeZoneName", value: "UTC" },
]),
date,
);
assertEquals(
formatter.partsToDate([
{ type: "hour", value: "01" },
{ type: "dayPeriod", value: "PM." },
{ type: "timeZoneName", value: "UTC" },
]),
date,
);
assertEquals(
formatter.partsToDate([
{ type: "hour", value: "01" },
{ type: "dayPeriod", value: "P.M." },
{ type: "timeZoneName", value: "UTC" },
]),
date,
);
assertEquals(
formatter.partsToDate([
{ type: "hour", value: "01" },
{ type: "dayPeriod", value: "pm" },
{ type: "timeZoneName", value: "UTC" },
]),
date,
);
assertEquals(
formatter.partsToDate([
{ type: "hour", value: "01" },
{ type: "dayPeriod", value: "pm." },
{ type: "timeZoneName", value: "UTC" },
]),
date,
);
assertEquals(
formatter.partsToDate([
{ type: "hour", value: "01" },
{ type: "dayPeriod", value: "p.m." },
{ type: "timeZoneName", value: "UTC" },
]),
date,
);
});
Deno.test("dateTimeFormatter.partsToDate() throws with invalid dayPeriods", () => {
const format = "HH a";
const formatter = new DateTimeFormatter(format);
assertThrows(
() =>
formatter.partsToDate([
{ type: "hour", value: "00" },
{ type: "dayPeriod", value: "A.M" },
{ type: "timeZoneName", value: "UTC" },
]),
Error,
"dayPeriod 'A.M' is not supported.",
);
assertThrows(
() =>
formatter.partsToDate([
{ type: "hour", value: "00" },
{ type: "dayPeriod", value: "a.m" },
{ type: "timeZoneName", value: "UTC" },
]),
Error,
"dayPeriod 'a.m' is not supported.",
);
assertThrows(
() =>
formatter.partsToDate([
{ type: "hour", value: "00" },
{ type: "dayPeriod", value: "P.M" },
{ type: "timeZoneName", value: "UTC" },
]),
Error,
"dayPeriod 'P.M' is not supported.",
);
assertThrows(
() =>
formatter.partsToDate([
{ type: "hour", value: "00" },
{ type: "dayPeriod", value: "p.m" },
{ type: "timeZoneName", value: "UTC" },
]),
Error,
"dayPeriod 'p.m' is not supported.",
);
assertThrows(
() =>
formatter.partsToDate([
{ type: "hour", value: "00" },
{ type: "dayPeriod", value: "noon" },
{ type: "timeZoneName", value: "UTC" },
]),
Error,
"dayPeriod 'noon' is not supported.",
);
});

Expand Down Expand Up @@ -118,6 +288,6 @@ Deno.test("dateTimeFormatter.partsToDate() sets utc", () => {
] as const;
for (const [format, input, output] of cases) {
const formatter = new DateTimeFormatter(format);
assertEquals(+formatter.partsToDate([...input]), +output);
assertEquals(formatter.partsToDate([...input]), output);
}
});