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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 features from '.';
import GitHubURL from '../github-helpers/github-url';
import {getCurrentBranch, getPRHeadRepo} from '../github-helpers';
/** Rebuilds the "View file" link because it points to the base repo and to the commit, instead of the head repo and its branch */
function handlePRMenuOpening({delegateTarget: dropdown}: delegate.Event): void {
dropdown.classList.add('rgh-actionable-link'); // Mark this as processed
const filePath = dropdown.closest('[data-path]')!.getAttribute('data-path')!;
const viewFile = select<HTMLAnchorElement>('[data-ga-click^="View file"]', dropdown)!;
viewFile.pathname = [getPRHeadRepo()!.nameWithOwner, 'blob', getCurrentBranch()!, filePath].join('/'); // Do not replace with `GitHubURL` #3152 #3111 #2595
}
function handleCompareMenuOpening({delegateTarget: dropdown}: delegate.Event): void {
dropdown.classList.add('rgh-actionable-link'); // Mark this as processed
const viewFile = select<HTMLAnchorElement>('[data-ga-click^="View file"]', dropdown)!;
const branch = select('[title^="compare"]')!.textContent!;
viewFile.before(
<div className="dropdown-header pl-5">
<GitBranchIcon className="ml-n3 pr-1" height={13}/>
{branch}
</div>
);
const url = new GitHubURL(viewFile.href);
viewFile.href = url.assign({branch}).toString();
// Fix the edit link
const editFile = viewFile.cloneNode(true);
editFile.textContent = 'Edit file';
editFile.removeAttribute('data-ga-click');
editFile.href = url.assign({route: 'edit'}).toString();
select('[aria-label$="to make changes."]', dropdown)!.replaceWith(editFile);
// Fix the delete link
const deleteFile = editFile.cloneNode(true);
deleteFile.textContent = 'Delete file';
deleteFile.classList.add('menu-item-danger');
deleteFile.href = url.assign({route: 'delete'}).toString();
select('[aria-label$="delete this file."]', dropdown)!.replaceWith(deleteFile);
}
function init(): void {
const handleMenuOpening = pageDetect.isCompare() ? handleCompareMenuOpening : handlePRMenuOpening;
// `useCapture` required to be fired before GitHub's handlers
delegate(document, '.file-header:not([data-file-deleted="true"]) .js-file-header-dropdown:not(.rgh-actionable-link)', 'toggle', handleMenuOpening, true);
}
void features.add(__filebasename, {
include: [
pageDetect.isPRFiles,
pageDetect.isPRCommit
],
exclude: [
// Only enabled on Open/Draft PRs. Editing files doesn't make sense after a PR is closed/merged.
() => !select.exists('.gh-header-meta [title$="Open"], .gh-header-meta [title$="Draft"]'),
// If you're viewing changes from partial commits, ensure you're on the latest one.
() => select.exists('.js-commits-filtered') && !select.exists('[aria-label="You are viewing the latest commit"]')
],
init
}, {
include: [
pageDetect.isCompare
],
exclude: [
// Only enable if you can create a PR or view an existing PR, if you cant you are probably looking at a permalink.
() => !select.exists('.existing-pull-button, [data-ga-click*="text:Create pull request"]')
],
init
});
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