babel-plugin-time-profiler

Add profiling code into specified files. You can start/stop the profier and show its result in developer console of a web browser.

Installation

TODO

Usage

Babel configuration

{
  "plugins": [
    ["babel-plugin-time-profiler", {
      "target": ["**/*"],
      "minLinesToTrace": 0,
      "dropPathPrefix": "src/",
      "displayTop": 20
    }]
  ],
  "retainLines": true
}

Available options are as follows:

target

File name pattern to process this plugin.

minLinesToTrace

The minimum number of lines in methods to add profiling code.

dropPathPrefix

Prefix of a file path to hide it in the profiling result.

displayTop

The number of entries in the profiling result

Profiling operation

This plugin exposes __BPTP object to handle profiling operation. Operate the profiler using the methods in the __BPTP described below:

start()

Start profiling.

stop()

Stop profiling.

dump()

Show profiling result. You can change the ranking order by giving the following strings in the argument of this method:

• duration (default)

Sum of the processing time of the method.

• times

The number of calls of the method.

• avg

Average processing time per the method call.

• min

Minimum processing time per the method call.

• max

Maximum processing time per the method call.