从Danger.js添加和删除中排除文件

Question

我们正在尝试在prs中设置最大行更改，但注意到有一些元文件很容易超过这个限制，例如yarn.lock。

有人知道如何从添加和删除中排除文件吗？

// ...

const linesAdded = danger.github.pr.additions || 0;
const linesRemoved = danger.github.pr.deletions || 0;

// ...

if (linesAdded + linesRemoved > bigPRThreshold) {
  fail(
    `This PR size is too large (Over ${bigPRThreshold} lines. Please split into separate PRs to enable faster & easier review.`
  );
}

// ...

Answer 1

我发现以下gitDSL函数可以访问单个文件中的信息

//This should make it really easy to do work when specific keypaths have changed inside a JSON file.
JSONDiffForFile(filename: string) => Promise

// Provides a JSON patch (rfc6902) between the two versions of a JSON file, returns null if you don't have any changes for the file in the diff.

// Note that if you are looking to just see changes like: before, after, added or removed - you should use `JSONDiffForFile` instead, as this can be a bit unwieldy for a Dangerfile.
JSONPatchForFile(filename: string) => Promise

// Offers the diff for a specific file
diffForFile(filename: string) => Promise

// Offers the overall lines of code added/removed in the diff
linesOfCode() => Promise

// Offers the structured diff for a specific file
structuredDiffForFile(filename: string) => Promise

(有关这些函数的文档：https://danger.systems/js/reference.html#GitDSL)

使用danger.git.structuredDiffForFile，我可以计算出我想要排除的行

  const file = 'yarn.lock';
  const diff1 = await danger.git.structuredDiffForFile(file);
  const excludedLines = diff1.chunks[0].changes.length