yarn-why

yarn why, but fast

Install

Download one of the prebuilt binaries

or run

cargo install yarn-why

Help

yarn-why 1.0.0-rc2

Usage:
    yarn-why [OPTIONS] package[@range] # read ./yarn.lock
    yarn-why [OPTIONS] package[@range] < /path/to/yarn.lock

Example:
    yarn-why lodash@^4.17.15

OPTIONS:
    -d, --max-depth [depth]  Truncate dependencies at that level [Default: 10]
    -D, --no-max-depth       Ignore max-depth (both default and user defined)
    -j, --json               Format the output as JSON
    -h, --help               Prints this help and exit
    -V, --version            Prints version information

ARGS:
    package[@range]          Package to search for, with or without range.
                             The range must match one in yarn.lock

Benchmarks

Benchmarks run on Thinkpad T460s

• node 17.9.0
• yarn 1.22.18 / yarn 3.2.0
• using renovate 35.45.5 yarn.lock file (v1 first, then updating it)

(had to use -y because hyperfine would trigger stdin input)

$ hyperfine 'yarn-why -y yarn.lock lodash'
Benchmark #1: yarn-why -y yarn.lock lodash
  Time (mean ± σ):       5.2 ms ±   0.2 ms    [User: 4.2 ms, System: 1.0 ms]
  Range (min … max):     4.7 ms …   6.6 ms    417 runs

  Warning: Command took less than 5 ms to complete. Results might be inaccurate.

$ hyperfine 'yarn why lodash'
Benchmark #1: yarn why lodash
  Time (mean ± σ):      1.012 s ±  0.012 s    [User: 1.686 s, System: 0.101 s]
  Range (min … max):    0.994 s …  1.026 s    10 runs

# again, after updating yarn.lock using `yarn 3.2.0`

$ hyperfine 'yarn why lodash'
Benchmark #1: yarn why lodash
 ⠏ Current estimate: 45.455 s     █████████████████████████████████████░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ ETA 00:05:17
^C # was taking too long, I stopped it

hyperfine 'yarn-why -y yarn.lock lodash'
Benchmark #1: yarn-why -y yarn.lock lodash
  Time (mean ± σ):       6.2 ms ±   0.2 ms    [User: 5.2 ms, System: 1.0 ms]
  Range (min … max):     5.9 ms …   7.6 ms    351 runs

LICENSE

yarn-why is distributed under the GNU GPL license (version 3 or any later version).

See LICENSE file for details.