findDeviceFromConstraints

function findDeviceFromConstraints(constraints, devices): 
  | undefined
  | boolean
  | MediaDeviceInfoLike;

Find device from the device list with provided constraints

Parameters

Parameter	Type	Description
constraints	| undefined | InputDeviceConstraint	The constraints to be used for the lookup
devices	IndexedDevices	The devices to be used for the lookup

Returns

| undefined | boolean | MediaDeviceInfoLike

true means it can be any devices, undefined means not found, otherwise, the matched device will be returned