DEBUG_USE_MICROSECONDS=Y DEBUG=* node ./examples/node/useMicroseconds.js

[amissine]

Add an option to use microseconds in timestamps. Tested on macOS 10.12.6 and Ubuntu 16.04 LTS. Sample output:

alec@alec-MS-7596 ~/process/debug (master) $ DEBUG_USE_MICROSECONDS=Y DEBUG=* node ./examples/node/useMicroseconds.js 
  use:µs the ∆ is +0µs
  use:µs the ∆ is +1366µs
  use:µs the ∆ is +110µs
  use:µs the ∆ is +31µs
  use:µs the ∆ is +36µs
  use:µs the ∆ is +24µs
  use:µs the ∆ is +23µs
  use:µs the ∆ is +23µs
(node:5403) Warning: N-API is an experimental feature and could change at any time.
  use:µs the ∆ is +11s
alec@alec-MS-7596 ~/process/debug (master) $ DEBUG=* node ./examples/node/useMicroseconds.js 
  use:µs the ∆ is +0ms
  use:µs the ∆ is +2ms
  use:µs the ∆ is +0ms
  use:µs the ∆ is +0ms
  use:µs the ∆ is +0ms
  use:µs the ∆ is +0ms
  use:µs the ∆ is +0ms
  use:µs the ∆ is +0ms
  use:µs the ∆ is +11s
alec@alec-MS-7596 ~/process/debug (master) $ npm test

> debug@3.1.0 test /home/alec/process/debug
> ./node_modules/mocha/bin/_mocha



  debug
    ✓ passes a basic sanity check
    ✓ allows namespaces to be a non-string value
    with log function
      ✓ uses it
    custom functions
      with log function
        ✓ uses it


  4 passing (9ms)

[coveralls]

Coverage decreased (-0.5%) to 73.256% when pulling 81c1c9e on amissine:master into 207a6a2 on visionmedia:master.

[Qix-]

👎 Please see #582. There are already too many environment variables.

[Qix-]

Closing this in favor of #582.