This Gawk script parses the output from 'deno info', extracts dependencies along with their sizes, converts all sizes to megabytes (MB), aggregates sizes by unique paths, and lists the top 10 largest dependencies sorted by size in descending order.

deno_dependency_analyzer.awk

#!/usr/bin/env gawk -f
# deno_dependency_analyzer.awk
#
# Usage:
#   deno info --import-map ./import_map.json <your_deno_script>.ts | gawk -f deno_dependency_analyzer.awk
#
# Description:
#   This Gawk script parses the output from 'deno info', extracts dependencies along with their sizes,
#   converts all sizes to megabytes (MB), aggregates sizes by unique paths, and lists the top 10 largest
#   dependencies sorted by size in descending order.

{
    # Remove ANSI escape sequences for cleaner parsing
    gsub(/\x1B\[[0-9;]*[mK]/, "");
    
    # Match dependency entries with their sizes, formatted as '(X.XXKB)' or '(X.XXMB)'
    if (match($0, /(\S+)\s+\(([0-9]+\.[0-9]+)(KB|MB)\)/, arr)) {
        # Extract the path, size, and unit from the regex match
        path = arr[1];
        size = arr[2];
        unit = arr[3];

        # Convert size to MB if it's initially in KB
        if (unit == "KB") {
            size /= 1024;
        }

        # Accumulate sizes by path in an associative array
        sizes[path] += size;
    }
}

END {
    # Sort the associative array by size in descending order and print the top 10 entries
    asorti(sizes, sorted, "@val_num_desc");
    for (i = 1; i <= 10 && i <= length(sorted); i++) {
        printf("%.2f MB\t%s\n", sizes[sorted[i]], sorted[i]);
    }
}