Add support for presence (range) transformations#4
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alecgibson merged 1 commit intomasterfrom Mar 31, 2020
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This change adds support for presence transformations, which are being [added to ShareDB][1]. In order to support presence updates, this change adds support for the optional `transformPresence` method, which simply reuses the existing `transformCursor` method, but also: - applies changes to the `length` of a range - keeps existing metadata - returns `null` if no range has been provided [1]: share/sharedb#322
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ricardoferrolho
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This change adds support for presence transformations, which are being
added to ShareDB. In order to support presence updates, this change
adds support for the optional
transformPresencemethod, which simplyreuses the existing
transformCursormethod, but also:lengthof a rangenullif no range has been provided