NodeJs script to copy matching GIT branch name to the clipboard

get-branch-name.js

var clipboard = require('copy-paste');
var fs = require('fs');

var exec = require('child_process').exec;

var result = '';
var searchTerm = process.argv[2];

if (!searchTerm) {
    console.log("No search term specified. Usage: get-branch-name string-to-search-for");
    return;
}

var child = exec('git branch');

child.stdout.on('data', function(data) {
    result += data;
});

child.on('close', () => {
    extractBranchName(result, searchTerm);
});


function extractBranchName(branchlist, search) {
    search = search.toLowerCase();
    let branches = branchlist.split("\n");
    let matchingBranches = branches.filter(b => b.toLowerCase().includes(search));
    let selectedBranch = "";
    let text = "";

    switch (matchingBranches.length) {
        case 0:
            console.log(`Couldn't find a branch matching the search term  ${search}`);
            break;
        case 1:
            selectedBranch = matchingBranches[0];
            text = copyToClipboard(selectedBranch);

            console.log(`Branch "${text}" copied to clipboard`);
            break;

        default:
            selectedBranch = matchingBranches[0];
            text = copyToClipboard(selectedBranch);
            console.log(`${matchingBranches.length} branches matched. First one copied to clipboard:  ${text}\n`);

            for (let b of matchingBranches) {
                console.log(b);
            };
            break;

    }
    console.log("");
}

function copyToClipboard(text) {
    if (text) {
        if (text.startsWith("*")) {
            text = text.slice(1);
        }
        text = text.trim();
        clipboard.copy(text);

        return text;
    }
}