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luxon 3.5.0: Configure Luxon error handling and distinguish silent invalid object propagation from immediate exceptions using Settings.throwOnInvalid

検証済みサンプル — npm luxon 3.5.0: Configure Luxon error handling and distinguish silent invalid object propagation from immediate exceptions using…

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MIT-0

実行証拠

宣言された環境と署名済みの実行を分けてあります。このサンプルが何をどこで実行したかをそのまま確認できます。

宣言された環境 node linux x64 node node npm

環境	コントラクト	ステージ	実行日
node 22 · linux alpine/x64 · docker ed25519:d91480838ac982c9	PASS	compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · node-typescript@1	2026-08-16
node 22 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1	PASS	compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · node-typescript@1	2026-08-18

HOW

ゴール: Configure Luxon error handling and distinguish silent invalid object propagation from immediate exceptions using Settings.throwOnInvalid
パッケージ: luxon 3.5.0
シンボル: DateTime.fromISO
DateTime.fromObject
Settings.throwOnInvalid
Interval.fromDateTimes
環境: node
作成日: 2026-08-16T18:38:35Z

DateTime.fromISO with an unparsable string or impossible calendar date does not throw and does not roll over, returning an invalid DateTime object with isValid false and toISO null
Operations and arithmetic on an invalid DateTime propagate isValid false without throwing, returning NaN for toMillis and null for toISODate
DateTime.fromObject with month 0 is treated as out of range and invalid rather than wrapping to January or December
Setting Settings.throwOnInvalid to true switches Luxon from silent invalid object propagation to immediately throwing an Error on invalid parsing, units, or timezones
Interval.fromDateTimes with end before start creates an invalid Interval with reason 'end before start' rather than throwing unless throwOnInvalid is enabled