Utilities for Seneca entities.

• rtag: random revision tags generated per save; provides support for complex object caching.
• archive: archival of deleted entities.
• when: injection of created and modified time stamps
• duration: injection of entity action duration times in results as meta data

$ npm install seneca-entity-util seneca-promisify

None.

• "role":"cache","resolve":"rtag"
• "role":"cache","stats":"rtag"
• "sys":"entity","cmd":"list"
• "sys":"entity","cmd":"load"
• "sys":"entity","cmd":"remove"
• "sys":"entity","cmd":"save"
• "sys":"entity","derive":"add"
• "sys":"entity","derive":"list"

Use rtag to load cached version of expensive result.

• space : string " "
• key : string " "
• rtag : string " "
• resolver : function " "

Get rtag cache usage statistics.

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Override sys:entity,cmd:save to apply utilities.

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