What is the format of the data posted to the GitHub API?

[meera1002]

Oktokit create a commit

Bug,Oktokit,GitHub API

Body

I am working on an API that will get content from the GitHub repo and the author will make changes to that file content. When the author submits the changes the API will create a pull request.
The problem is whenever I make a pull request, the pull request shows me a big difference even if it is a small change. I think this is caused by the format or something on the API side. How do I resolve this? Authors don't want to see this big difference. They want to see only the updated changes in the pull request.
Please help

The plugin I am using => https://github.com/gr2m/octokit-plugin-create-pull-request
Following is my code to create the Pull request.

const {
    Octokit
} = require("@octokit/core");
const {
    createPullRequest
} = require("octokit-plugin-create-pull-request");

const MyOctokit = Octokit.plugin(createPullRequest);

const octokit = new MyOctokit({
    auth:'mytoken'
});
octokit.createPullRequest({
                owner: "test-repo",
                repo: "meera",
                title: $("#branchcommit").val(),
                body: "Creating pull request from API",
                head: userName + '_' + timestamp,
                base: "wip" /* optional: defaults to default branch */ ,
                update: false /* optional: set to `true` to enable updating existing pull requests */ ,
                forceFork: false /* optional: force creating fork even when user has write rights */ ,
                changes: [{
                    /* optional: if `files` is not passed, an empty commit is created instead */
                    files: {
                        [urlValue]: {
                            content: content,
                            encoding: "utf-8",
                          }
                    },
                    commit: 'Creating pull request from API',
                }, ],
            }).then((pr) => {
            }).catch((err) => {
                console.log('error', err);
            }) 

Following test added to the content => "New change"

Pull request image