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fix(logger): invalid time zone environment variables leads to error #2865

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Merged
merged 4 commits into from
Aug 1, 2024
Merged

fix(logger): invalid time zone environment variables leads to error #2865

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827ac62
fix(logger): invalid time zone environment variables leads to error
daschaa Jul 31, 2024
fe5c61f
Merge branch 'main' into 2851_invalid_timezone_env_var
daschaa Jul 31, 2024
23fdcc9
chore(logger): make the code less verbose
daschaa Jul 31, 2024
be234ce
Merge branch 'main' into 2851_invalid_timezone_env_var
dreamorosi Aug 1, 2024
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13 changes: 13 additions & 0 deletions packages/logger/src/formatter/LogFormatter.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -112,6 +112,19 @@ abstract class LogFormatter implements LogFormatterInterface {
#getDateFormatter = (timeZone: string): Intl.DateTimeFormat => {
const twoDigitFormatOption = '2-digit';

if (!Intl.supportedValuesOf('timeZone').includes(timeZone)) {
return new Intl.DateTimeFormat('en', {
year: 'numeric',
month: twoDigitFormatOption,
day: twoDigitFormatOption,
hour: twoDigitFormatOption,
minute: twoDigitFormatOption,
second: twoDigitFormatOption,
hour12: false,
timeZone: 'UTC',
});
}

return new Intl.DateTimeFormat('en', {
year: 'numeric',
month: twoDigitFormatOption,
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24 changes: 20 additions & 4 deletions packages/logger/tests/unit/formatter/PowertoolsLogFormatter.test.ts
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Expand Up @@ -320,7 +320,7 @@ describe('Class: PowertoolsLogFormatter', () => {
test('it formats the timestamp to ISO 8601, accounting for the `America/New_York` timezone offset', () => {
// Prepare
process.env.TZ = 'America/New_York';
/*
/*
Difference between UTC and `America/New_York`(GMT -04.00) is 240 minutes.
The positive value indicates that `America/New_York` is behind UTC.
*/
Expand All @@ -341,7 +341,7 @@ describe('Class: PowertoolsLogFormatter', () => {
process.env.TZ = 'America/New_York';
const mockDate = new Date('2016-06-20T12:08:10.910Z');
jest.useFakeTimers().setSystemTime(mockDate);
/*
/*
Difference between UTC and `America/New_York`(GMT -04.00) is 240 minutes.
The positive value indicates that `America/New_York` is behind UTC.
*/
Expand All @@ -362,7 +362,7 @@ describe('Class: PowertoolsLogFormatter', () => {
process.env.TZ = 'America/New_York';
const mockDate = new Date('2016-06-20T00:08:10.910Z');
jest.useFakeTimers().setSystemTime(mockDate);
/*
/*
Difference between UTC and `America/New_York`(GMT -04.00) is 240 minutes.
The positive value indicates that `America/New_York` is behind UTC.
*/
Expand All @@ -381,7 +381,7 @@ describe('Class: PowertoolsLogFormatter', () => {
test('if `envVarsService` is not set, ensures timestamp is formatted to `UTC` even with `America/New_York` timezone', () => {
// Prepare
process.env.TZ = 'America/New_York';
/*
/*
Difference between UTC and `America/New_York`(GMT -04.00) is 240 minutes.
The positive value indicates that `America/New_York` is behind UTC.
*/
Expand Down Expand Up @@ -471,6 +471,22 @@ describe('Class: PowertoolsLogFormatter', () => {
// Assess
expect(timestamp).toEqual('2016-06-20T12:08:10.000Z');
});

test('it is using UTC timezone when env var is set to :/etc/localtime', () => {
// Prepare
process.env.TZ = ':/etc/localtime';

jest.spyOn(Date.prototype, 'getTimezoneOffset').mockReturnValue(0);
const formatter = new PowertoolsLogFormatter({
envVarsService: new EnvironmentVariablesService(),
});

// Act
const timestamp = formatter.formatTimestamp(new Date());

// Assess
expect(timestamp).toEqual('2016-06-20T12:08:10.000+00:00');
});
});

describe('Method: getCodeLocation', () => {
Expand Down