2d:null 2e:["$","title",null,{"children":"Package Dependency Visualizer | robilars-amazon | Observable"}] 33:T44a,viewof input = { switch (inputtype) { case "url": { const form = html``; form.text.value = 'https://raw.githubusercontent.com/robilars-amazon/useless-javascript-modules-mean/v1.0.0/package-lock.json'; form.text.oninput = event => event.stopPropagation(); form.value = fetch(form.text.value).then(response => response.text()); form.onsubmit = event => { form.value = fetch(form.text.value).then(response => response.text()); form.dispatchEvent(new CustomEvent("input")); event.preventDefault(); }; return form; } case "text": { return html`

`;
    }
    case "file": {
      const form = html`<form><label>package-lock.json file: <input name=i type=file accept=.json></label>`;
      form.oninput = () => form.value = Files.text(form.i.files[0]);
      return form;
    }
  }
}34:T666,data = {
  const root = JSON.parse(input.replace(new RegExp('@useless-javascript-modules/', 'g'), ''));
  const nodes = [];
  const nodeSet = new Set;
  const edges = [];
  const edgeSet = new Set;
  const ancestors = [root];

function resolve(name, range) {
    for (const module of ancestors) {
      if (!module.dependencies) continue;
      const dependency = module.dependencies[name];
      if (dependency && semver.satisfies(dependency.version, range)) {
        return dependency;
      }
    }
  }

function define(name, value) {
    const key = `${name}@${value.version}`;
    ancestors.unshift(value);
    if (nodeSet.has(key)) return;
    nodeSet.add(key);
    nodes.push(key);
    if (value.dependencies) {
      for (const [subname, subvalue] of Object.entries(value.dependencies)) {
        define(subname, subvalue);
      }
    }
    if (value.requires) {
      for (const [subname, subvalue] of Object.entries(value.requires)) {
        const dependency = resolve(subname, subvalue);
        if (!dependency) continue;
        const subkey = `${subname}@${dependency.version}`;
        if (edgeSet.has(`${key}|${subkey}`)) continue;
        edgeSet.add(`${key}|${subkey}`);
        edges.push([key, subkey]);
      }
    }
    ancestors.shift();
  }

for (const [name, value] of Object.entries(root.dependencies)) {
    nodes.push(`${root.name}@${root.version}`)
    edges.push([`${root.name}@${root.version}`, `${name}@${value.version}`]);
    define(name, value);
  }
  
  
    console.log({name: `${root.name}@${root.version}`, nodes, edges})

return {name: `${root.name}@${root.version}`, nodes, edges};
}35:[]
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