repofiles/index.html at main · bddicken/repofiles · GitHub

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<html>

<head>
  <script src="./d3.v7.min.js"></script>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">

  <meta name="twitter:card" content="summary_large_image" />
  <meta name="twitter:site" content="https://repofiles.com" />
  <meta name="twitter:title" content="repofiles.com" />
  <meta name="twitter:description" content="View the file structure of a GitHub repo." />
  <meta name="twitter:image" content="https://repofiles.com/social.jpg" />

  <meta property="og:type" content="website" />
  <meta property="og:url" content="https://repofiles.com" />
  <meta property="og:title" content="repofiles.com" />
  <meta property="og:description" content="View the file structure of a GitHub R=repo." />
  <meta property="og:image" content="/social.jpg" />


  <style>
  body {
    font-family: SFMono-Regular, monospace;
    padding: 0px;
    margin: 0px;
    background-color: white;
  }
  #repo {
    position: fixed;
    top: 170px;
  }
  #menu {
    position: fixed;
    top: 0px;
    left: 0px;
    right: 0px;
    height: 170px;
    margin-bottom: 20px;
    margin-left: 20px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    width: 100%;
    max-width: 700px;
  }
  h1 {
    text-align: center;
    font-size: 1.75em;
    color: #47b7f8;
 }
 #status {
   margin-top: 8px;
   color: #444;
 }
  #repoInput {
    text-align: left;
    font-size: 1em;
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    padding: 9px 7px;
    margin: 0px 0;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-right: 4em;
    box-sizing: border-box;
    border: 1px solid #bbb;
    outline: none;
    text-align: center;
    background-color: #fff;
    filter: drop-shadow( 0px 2px 2px rgba(150, 150, 150, 0.2));
  }
  #repoButton {
    display: inline-block;
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    padding: 9.5px 14px 9.5px;
    font-size: 1em;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    outline: none;
    background-color: #bbb;
    border: 0px solid #444;
    font-weight:600;
    filter: drop-shadow( 0px 2px 2px rgba(150, 150, 150, 0.2));
    margin-top: 0px !important;
    position: absolute;
    top: 0px;
    right: 0px;
    width: 4em;
  }
  div {
    text-align: center;
    color: #ddd;
  }
  svg {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    color: #ddd;
    max-width: 100%;
    height: auto;
    display: block;
    background: white;
    cursor: pointer;
  }
  text {
    font-family: SFMono-Regular,monospace;
    font-size: 12px;
  }
  #inputs {
    position: relative;
    width: 90%;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
  }
  #made {
    position: fixed;
    bottom: 15px;
    width: 500px;
    left: 15px;
    text-align: left;
    color: black;
    font-size: 0.8em;
  }
  #help {
    position: fixed;
    bottom: 15px;
    width: 500px;
    right: 15px;
    text-align: right;
    color: black;
    font-size: 0.8em;
  }
  a {
    color: #444;
  }
  </style>
</head>

<body>
  <div id="menu">
    <h1>repofiles</h1>
    <div id=inputs>
      <input id="repoInput" type="text" placeholder="enter a github repo url"></input>
      <button id="repoButton">go</button>
    </div>
      <div id="status"></div>
  </div>
  <div id="repo"></div>
  <div id="made">
    Made by <a href="https://benjdd.com">Ben</a><br/>
    Powered by <a href="https://d3js.org/">D3</a> <br/>
    and <a href="https://docs.github.com/en/rest">GitHub</a><br/>
  </div>
  <div id="help">
    Click to zoom<br/>
    SHIFT-click to slow zoom<br/>
    ALT-click to view file <br/>
    Diameter → file size<br/>
  </div>
</body>

<script>
let currentRepo = {};

function setStatus(text) {
  document.getElementById('status').textContent = text;
}

async function fetchGitHub(url, after) {
  const options = {
    method: "GET",
    headers: {
      "Accept": "application/vnd.github+json",
      "X-GitHub-Api-Version": "2022-11-28"
    }
  };
  try {
    const response = await fetch(url, options);
    if (!response.ok) {
      throw new Error(`HTTP error! Status: ${response.status}`);
    }
    const data = await response.json();
    if ('message' in data) {
      if (data.message && data.message.startsWith('API rate limit exceeded')) {
        setStatus('GitHub API rate limit exceeded. Wait, or try from another device.', );
      } else {
        setStatus('An unknown error occurred. You can @BenjDicken on twitter.');
      }
    } else {
      after(data);
    }
  } catch (error) {
    console.error("Error fetching the latest commit:", error);
    setStatus('An unknown error occurred. You can @BenjDicken on twitter.');
  }
}

async function loadRepoTree(owner, repo, sha, defaultBranch) {
  fetchGitHub(`https://api.github.com/repos/${owner}/${repo}/git/trees/${sha}?recursive=1`, (data) => {
    currentRepo.tree = postProcessData(data.tree);
    currentRepo.owner = owner;
    currentRepo.repo = repo;
    currentRepo.defaultBranch = defaultBranch;
    draw(currentRepo.tree);
    setStatus(`loaded file visualization for ${owner}/${repo}`);
  });
}

async function loadRepoDefaultBranchAndTree(owner, repo, sha) {
  fetchGitHub(`https://api.github.com/repos/${owner}/${repo}`, (data) => {
    const defaultBranch = data['default_branch'];
    loadRepoTree(owner, repo, sha, defaultBranch);
  });
}

async function loadRepo(owner, repo) {
  fetchGitHub(`https://api.github.com/repos/${owner}/${repo}/commits`, (data) => {
    const latestCommit = data[0];
    loadRepoDefaultBranchAndTree(owner, repo, latestCommit.sha);
  });
}

function getElementWithName(climb, name) {
  for (const e of climb.children) {
    if (e.name == name) return e;
  }
  return undefined;
}

function postProcessData(data) {
  const tree = {name: 'flare', children: []};
  for (const row of data) {
    const split = row.path.split('/');
    let climb = tree;
    for (let i = 0; i < split.length; i++) {
      const component = split[i];
      const element = getElementWithName(climb, component);
      if (element == undefined) {
        if (i == split.length - 1) {
          const branch = {name: component, value: row.size, children: []};
          climb.children.push(branch);
        } else {
          const branch = {name: component, children: []};
          climb.children.push(branch);
          climb = branch;
        }
      } else {
        climb = element;
      }
    }
  }
  return tree;
}

function draw(data) {
  let width = window.innerWidth;
  let height = window.innerHeight - 170;
  let wh = Math.min(width, height);
  const svg = d3.select("#repo")
    .append("svg")
      .attr("viewBox", `-${width / 2} -${height / 2} ${width} ${height}`)
      .attr("width", width)
      .attr("height", height);

  const color = d3.scaleLinear()
      .domain([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
      .range([
        "#fff",
        "#47b7f8",
        "#40d763",
        "#a18bf5",
        "#fd812d",
        "#f2b600",
        "#ff7082",
        "#40d763",
        "#47b7f8",
        "#a18bf5",
        "#fd812d",
        "#f2b600",
        "#ff7082",
      ])

  const pack = data => d3.pack()
      .size([width, height])
      .padding(2)
    (d3.hierarchy(data)
      .sum(d => d.value)
      .sort((a, b) => b.value - a.value));
  const root = pack(data);

  function getGitHubFileURL(d) {
    let url = `https://github.com/${currentRepo.owner}/${currentRepo.repo}/tree/${currentRepo.defaultBranch}`;
    let path = '';
    while (d.parent != null) {
      path = '/' + d.data.name + path;
      d = d.parent;
    }
    return encodeURI(url + path);
  }

  const ng = svg.append("g");
  const node = ng
    .selectAll("circle")
    .data(root.descendants().slice(1))
    .join("circle")
      .attr("fill", d => d.children ? color(d.depth) : "#ee7")
      .on("mouseover", function() { d3.select(this).style("filter", "brightness(110%)"); })
      .on("mouseout", function() { d3.select(this).style("filter", "brightness(100%)"); })
      .on("click", (event, d) => {
        if (event.altKey) {
          const url = getGitHubFileURL(d);
          window.open(url, '_blank') .focus();
        }
        if(focus !== d) {
          zoom(event, d);
          event.stopPropagation();
        }
      });

  function getFontSize(d, e) {
    return (d.r * 1.5) / d.data.name.length + 'px'
  }

  const label = ng.append("g")
      .style("font", "10px sans-serif")
      .attr("pointer-events", "none")
      .attr("text-anchor", "middle")
    .selectAll("text")
    .data(root.descendants())
    .join("text")
      .style('font-size', d => getFontSize(d, root))
      .style("display", d => d.parent === root ? "inline" : "none")
      .style("opacity", d => d.parent === root ? 0.75 : 0)
      .style('font-weight', 'bold')
      .style('dominant-baseline', 'middle')
      .text(d => d.data.name);

  svg.on("click", (event) => zoom(event, root));
  let focus = root;
  let view;
  zoomTo([focus.x, focus.y, focus.r * 2]);

  function zoomTo(v) {
    const k = wh / v[2];
    view = v;
    label.attr("transform", d => `translate(${(d.x - v[0]) * k},${(d.y - v[1]) * k})`);
    node.attr("transform", d => `translate(${(d.x - v[0]) * k},${(d.y - v[1]) * k})`);
    node.attr("r", d => d.r * k);
  }

  function zoomToEfficient(v) {
    const k = wh / v[2];
    view = v;
    const x = (-v[0] + width/2) * k;
    const y = (-v[1] + height/2) * k;
    ng.attr('transform', `translate(${x} ${y}) scale(${k})`)
  }

  function zoom(event, d) {
    const focus0 = focus;
    focus = d;
    const transition = svg.transition()
      .duration(event.shiftKey ? 5000 : 1000)
      .tween("zoom", d => {
        const i = d3.interpolateZoom(view, [focus.x, focus.y, focus.r * 2]);
        return t => zoomToEfficient(i(t));
      });
    label
      .filter(function(d) { return d.parent === focus || d === focus || this.style.display === "inline"; })
      .transition(transition)
        .style('font-size', d => getFontSize(d, focus))
        .style("opacity", function(d) { if (d.parent === focus || (d === focus && !d.children)) return 0.75; return 0; })
        .on("start",      function(d) { if (d.parent === focus || (d === focus && !d.children)) this.style.display = "inline"; })
        .on("end",        function(d) { if (!(d.parent === focus || (d === focus && !d.children))) this.style.display = "none"; })
  }
}

function getRepoInfoFromURL() {
  const value = document.getElementById('repoInput').value;
  try {
    const params = new URLSearchParams(window.location.search);
    const owner = params.get('owner');
    const repo = params.get('repo');
    if (owner && repo) {
      fetchAndDisplay(owner, repo);
      return true;
    }
  } catch (_) {
    // do nothing on purpose here, just return false
  }
  return false;
}

function setURLParams(owner, repo) {
  const toEditURL = new URL(window.location);
  toEditURL.searchParams.set('owner', owner);
  toEditURL.searchParams.set('repo', repo);
  window.history.replaceState(null, null, toEditURL);
}

function fetchAndDisplay(owner, repo) {
  setURLParams(owner, repo);
  document.getElementById('repo').innerHTML = '';
  setStatus(`loading ${owner}/${repo}...`);
  loadRepo(owner, repo);
}

function go() {
  const url = document.getElementById('repoInput').value;
  const trimmedUrl = url.replace(/\/+$/, "");
  const split = trimmedUrl.split('/')
  const l = split.length;
  repo = split[l-1];
  owner = split[l-2];
  fetchAndDisplay(owner, repo);
}

window.onresize = () => {
  document.getElementById('repo').innerHTML = '';
  draw(currentRepo.tree);
};

document.getElementById('repoButton').addEventListener('click', () => go());

document.getElementById("repoInput").addEventListener("keydown", function(event) {
  if (event.key === "Enter") {
    go();
  }
});

if (!getRepoInfoFromURL()) {
  // If no repo specified in URL,
  // Initially just load the json file from the server for neovim
  d3.json("/cache/neovim_neovim.json")
    .then(function(data){
      currentRepo = data;
      draw(currentRepo.tree);
      setStatus(`loaded file visualization for neovim/neovim`);
    });
}
</script>

</html>