统计 Git 代码提交行数

1	$ git log --all --no-merges --shortstat --since="2019-06-30" --pretty=format:'%an %ae' \| node ../fe-boss-v2/git-stats.js

var readline = require('readline');
var rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout,
  terminal: false
});

let stats = {};
var isFirstLineOfCommit = true;
var authorName;
rl.on('line', function(line) {
    if (isFirstLineOfCommit && line) {
        authorName = line.split(' ')[0];
        stats[authorName] = stats[authorName] || {filesChanged: 0, insertions: 0, deletions: 0};
    }
	var match = line.match(/(\d+) files{0,1} changed, (\d+) insertions\(\+\), (\d+) deletions\(-\)/);
    if (match !== null) {
	    stats[authorName].filesChanged += parseInt(match[1], 10);
	    stats[authorName].insertions += parseInt(match[2], 10);
	    stats[authorName].deletions += parseInt(match[3], 10);
    }
    isFirstLineOfCommit = line === '';
}).on('close', () => {
    console.log(stats);
});

References