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import React from 'dom-chef';
import select from 'select-dom';
import delegate from 'delegate-it';
import GitBranchIcon from 'octicon/git-branch.svg';
import * as pageDetect from 'github-url-detection';
import * as textFieldEdit from 'text-field-edit';
import features from '.';
import * as api from '../github-helpers/api';
import LoadingIcon from '../github-helpers/icon-loading';
import observeElement from '../helpers/simplified-element-observer';
import {getRepoURL, getRepoGQL} from '../github-helpers';
const getBranchBaseSha = async (branchName: string): Promise<string> => {
const {repository} = await api.v4(`
repository(${getRepoGQL()}) {
ref(qualifiedName: "${branchName}") {
target {
oid
}
}
}
`);
return repository.ref.target.oid;
};
async function createBranch(newBranchName: string, baseSha: string): Promise<true | string> {
const response = await api.v3(`repos/${getRepoURL()}/git/refs`, {
method: 'POST',
body: {
sha: baseSha,
ref: 'refs/heads/' + newBranchName
},
ignoreHTTPStatus: true
});
return response.ok || response.message;
}
async function cloneBranch({delegateTarget: cloneButton}: delegate.Event<MouseEvent, HTMLButtonElement>): Promise<void> {
const branchName = cloneButton.closest('[branch]')!.getAttribute('branch')!;
const currentBranch = getBranchBaseSha(branchName);
let newBranchName = prompt('Enter the new branch name')?.trim();
const spinner = <LoadingIcon className="ml-2"/>;
while (newBranchName) {
cloneButton.replaceWith(spinner);
// eslint-disable-next-line no-await-in-loop
const result = await createBranch(newBranchName, await currentBranch);
spinner.replaceWith(cloneButton);
if (result === true) {
break;
}
newBranchName = prompt(result.replace('refs/heads/' + newBranchName, 'This') + '\nEnter the new branch name', newBranchName)?.trim();
}
if (!newBranchName) {
return;
}
textFieldEdit.set(
select<HTMLInputElement>('[name="query"]')!,
newBranchName
);
}
async function init(): Promise<void | false> {
await api.expectToken();
const deleteIcons = select.all([
'branch-filter-item-controller .octicon-trashcan', // Pre "Repository refresh" layout
'branch-filter-item .octicon-trashcan'
]);
// If the user does not have rights to delete a branch, they can’t create one either
if (deleteIcons.length === 0) {
return false;
}
for (const deleteIcon of deleteIcons) {
// Branches with open PRs use `span`, the others use `form`
deleteIcon.closest('form, span')!.before(
<button
type="button"
aria-label="Clone this branch"
className="link-gray btn-link tooltipped tooltipped-nw ml-3 rgh-clone-branch"
>
<GitBranchIcon/>
</button>
);
}
delegate(document, '.rgh-clone-branch', 'click', cloneBranch);
}
void features.add({
id: __filebasename,
description: 'Clone a branch from the branches list.',
screenshot: 'https://user-images.githubusercontent.com/16872793/76802029-2a020500-67ad-11ea-95dc-bee1b1352976.png'
}, {
include: [
pageDetect.isBranches
],
init() {
observeElement([
'[data-target="branch-filter-controller.results"]', // Pre "Repository refresh" layout
'[data-target="branch-filter.result"]'
].join(), init);
}
});
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