wrap-git/dist/core/lngSummarizer.js

Wraps GitHub profile and provides summarized details about repos, commits and language coverages for a given profile.

import { getAllRepos, getRepoLngs } from "../api/repos.js";
import { throttleAll } from "../utils/throttleAll.js";
const getTopLanguages = (lngCoverage) => {
    const sortedLngCoverage = [...lngCoverage].sort((a, b) => b.coverage - a.coverage);
    return sortedLngCoverage.slice(0, 5);
};
export const lngSummarizer = async (username, token) => {
    const allRepos = await getAllRepos(username, token);
    const urls = allRepos
        .filter((repo) => repo.owner === username)
        .map((repo) => repo.url);
    const lngStats = [];
    let totalCodeSize = 0;
    const languages = await throttleAll(urls, 10, async (url) => {
        return await getRepoLngs(url, token);
    });
    // calc coverage of each language
    for (const language of languages) {
        if (!language)
            continue;
        for (const [lng, bytes] of Object.entries(language)) {
            const existing = lngStats.find((stat) => stat.lngName === lng);
            if (existing) {
                existing.coverage += bytes;
            }
            else {
                lngStats.push({
                    lngName: lng,
                    coverage: bytes,
                    repos: 0
                });
            }
            totalCodeSize += bytes;
        }
    }
    // cal no of repos for each lng
    for (const repo of allRepos) {
        const existing = lngStats.find((stat) => stat.lngName === repo.language);
        if (existing) {
            existing.repos += 1;
        }
    }
    /*
     *  Estimated LOC = Code size in bytes / Average bytes per line
     *  Let Average Bytes per Line =  70 bytes/line
     *
     */
    const loc = Math.ceil(totalCodeSize / 70);
    const allLngs = lngStats.map((stat) => ({
        ...stat,
        coverage: Math.round((stat.coverage / totalCodeSize) * 1000) / 10
    }));
    const top5Lngs = getTopLanguages(allLngs);
    return {
        totLineOfCode: loc,
        totalLngs: lngStats.length,
        top5Lngs,
        allLngs
    };
};