@netlify/git-utils/lib/stats.js

Utility for dealing with modified, created, deleted files since a git commit

import { git } from './exec.js';
// Returns the number of lines of code added, removed or modified since the
// `base` commit
export const getLinesOfCode = function (base, head, cwd) {
    const stdout = git(['diff', '--shortstat', `${base}...${head}`], cwd);
    const insertions = parseStdout(stdout, INSERTION_REGEXP);
    const deletions = parseStdout(stdout, DELETION_REGEXP);
    return insertions + deletions;
};
const parseStdout = function (stdout, regexp) {
    const result = regexp.exec(stdout);
    if (result === null) {
        return 0;
    }
    return Number(result[1]);
};
const INSERTION_REGEXP = /(\d+) insertion/;
const DELETION_REGEXP = /(\d+) deletion/;