Measures the sizes of your root node_modules folders.

measure-node_modules.sh

#!/bin/bash

# Find all top-level node_modules directories and calculate their total size
total_size=0
for dir in $(find . -name "node_modules" -type d -not -path "*/node_modules/*"); do
 size=$(du -sk "$dir" | cut -f1)
 total_size=$(($total_size + $size))
done

# Convert total size to human-readable format
total_size_human=$(awk "BEGIN { printf \"%.2f\", $total_size/1024/1024 }")

# Print total size
printf "Total node_modules size is %.2f GB, across %d directories.\n" $total_size_human $(find . -name "node_modules" -type d -not -path "*/node_modules/*" | wc -l)

# Find all top-level node_modules directories and print their size and percentage of total
for dir in $(find . -name "node_modules" -type d -not -path "*/node_modules/*"); do
 size=$(du -sk "$dir" | cut -f1)
 percentage=$(echo "scale=2; $size / $total_size * 100" | bc)
 size_human=$(awk "BEGIN { printf \"%.2f\", $size/1024/1024 }")
 printf "%0.0f%% - %s (%.2f GB)\n" $percentage $dir $size_human
done