Clone Git repositories in-memory using pure Node.js! (no Git binary, no FS)
We will use isomorphic-git (https://github.com/isomorphic-git/isomorphic-git) and memfs (https://github.com/streamich/memfs).
First let's import everything and create a new in-memory file system.
const git = require("isomorphic-git");
const http = require("isomorphic-git/http/node");
const { Volume, createFsFromVolume } = require("memfs");
const vol = new Volume();
const fs = createFsFromVolume(vol);
undefined;
Now let's clone a public GitHub repository into the root directory:
await git.clone({
fs,
http,
dir: '/',
url: 'https://github.com/iddan/react-spreadsheet',
ref: 'master',
singleBranch: true,
depth: 1,
});
Now we can list the files in the repository:
await fs.promises.readdir("/");
And read a file:
await fs.promises.readFile('/package.json', 'utf-8');
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