Sourced from @​isaacs/ttlcache's changelog.

2.1

• Add updateAgeOnHas and checkAgeOnHas options to match corresponding get() options.
• Include items with Infinity expirations in iterations like entries(), keys(), values().

2.0

• refactor as hybrid typescript module (changes export)
• Blue Oak license

1.4

• add checkAgeOnGet option
• Guard against expiration list going missing

1.3.0

• make cache.cancelTimer a public method
• Reduce memory usage by only creating one timer

1.2

• Add support for immortality
• ensure dispose() only happens after full removal
• Clear timeouts so we don't rely on only unref()
• fix error when deleting immortal entries

1.1

• Add setTTL(key, ttl)
• avoid off-by-1ms purge failures

1.0

• Initial release

• 4d5e71d 2.1.3
• 93bff3b Fix syntax typo in README example
• 6e15c53 2.1.2
• cbfdbd5 correct test name, use t.clock for regularity
• 3f584f1 Do not run 'set' disposes for undefined
• d15ad32 fix setting TTL when item not yet in cache
• 4a5bdb2 2.1.1
• d559fd3 nclude Infinity exps in entries, keys, values
• ecbede5 add missing word to README.md
• 76e144d 2.1.0
• Additional commits viewable in compare view

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