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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import './index.css';
import { renderTimelineEvent, getStatus, renderComment, PullRequestStateEnum, renderReview, EventType, ActionsBar } from './pullRequestOverviewRenderer';
import md from './mdRenderer';
import * as debounce from 'debounce';
import * as moment from 'moment';
const emoji = require('node-emoji');
import { getMessageHandler } from './message';
import { getState, setState, PullRequest, updateState } from './cache';
const ElementIds = {
Checkout: 'checkout',
CheckoutDefaultBranch: 'checkout-default-branch',
Merge: 'merge',
Close: 'close',
Reply: 'reply',
Approve: 'approve',
RequestChanges: 'request-changes',
Status: 'status',
CommentTextArea: 'comment-textarea',
TimelineEvents: 'timeline-events' // If updating this value, change id in pullRequestOverview.ts as well.
};
window.onload = () => {
const pullRequest = getState();
if (pullRequest && Object.keys(pullRequest).length) {
renderPullRequest(pullRequest);
}
};
const messageHandler = getMessageHandler(message => {
switch (message.command) {
case 'pr.initialize':
const pullRequest = message.pullrequest;
setState(pullRequest);
renderPullRequest(pullRequest);
break;
case 'update-state':
updatePullRequestState(message.state);
break;
case 'pr.update-checkout-status':
updateCheckoutButton(message.isCurrentlyCheckedOut);
break;
case 'pr.enable-exit':
(<HTMLButtonElement>document.getElementById(ElementIds.CheckoutDefaultBranch)).disabled = false;
break;
case 'set-scroll':
window.scrollTo(message.scrollPosition.x, message.scrollPosition.y);
default:
break;
}
});
function renderPullRequest(pr: PullRequest): void {
renderTimelineEvents(pr);
setTitleHTML(pr);
setTextArea();
updateCheckoutButton(pr.isCurrentlyCheckedOut);
updatePullRequestState(pr.state);
addEventListeners(pr);
}
function renderTimelineEvents(pr: PullRequest): void {
const timelineElement = document.getElementById(ElementIds.TimelineEvents)!;
timelineElement.innerHTML = '';
pr.events
.map(event => renderTimelineEvent(event, messageHandler))
.filter(event => event !== undefined)
.forEach(renderedEvent => timelineElement.appendChild(renderedEvent as HTMLElement));
}
function updatePullRequestState(state: PullRequestStateEnum): void {
updateState({ state: state });
const merge = (<HTMLButtonElement>document.getElementById(ElementIds.Merge));
if (merge) {
merge.disabled = state !== PullRequestStateEnum.Open;
}
const close = (<HTMLButtonElement>document.getElementById(ElementIds.Close));
if (close) {
close.disabled = state !== PullRequestStateEnum.Open;
}
const checkout = (<HTMLButtonElement>document.getElementById(ElementIds.Checkout));
if (checkout) {
checkout.disabled = checkout.disabled || state !== PullRequestStateEnum.Open;
}
const approve = (<HTMLButtonElement>document.getElementById(ElementIds.Approve));
if (approve) {
approve.disabled = state !== PullRequestStateEnum.Open;
}
const status = document.getElementById(ElementIds.Status);
status!.innerHTML = getStatus(state);
}
function setTitleHTML(pr: PullRequest): void {
document.getElementById('title')!.innerHTML = `
<div id="details" class="details">
<div class="overview-title">
<h2>${pr.title} (<a href=${pr.url}>#${pr.number}</a>) </h2>
<div class="button-group">
<button id="${ElementIds.Checkout}" aria-live="polite"></button>
<button id="${ElementIds.CheckoutDefaultBranch}" aria-live="polite">Exit Review Mode</button>
</div>
</div>
<div class="subtitle">
<div id="${ElementIds.Status}">${getStatus(pr.state)}</div>
<img class="avatar" src="${pr.author.avatarUrl}" alt="">
<span class="author"><a href="${pr.author.htmlUrl}">${pr.author.login}</a> wants to merge changes from <code>${pr.head}</code> to <code>${pr.base}</code>.</span>
<a href=${pr.url} class="created-at timestamp">${moment(pr.createdAt).fromNow()}</a>
</div>
</div>
`;
const description = renderDescription(pr);
document.getElementById('details')!.appendChild(description);
}
function renderDescription(pr: PullRequest): HTMLElement {
const commentContainer = document.createElement('div');
const commentHeader = document.createElement('div');
commentHeader.classList.add('description-header');
const commentBody = document.createElement('div');
commentBody.innerHTML = md.render(emoji.emojify(pr.body));
if (pr.labels.length) {
const line = document.createElement('div');
line.classList.add('line');
line.innerHTML = `<svg class="octicon octicon-tag" viewBox="0 0 14 16" version="1.1" width="14" height="16">
<path fill-rule="evenodd" d="M7.685 1.72a2.49 2.49 0 0 0-1.76-.726H3.48A2.5 2.5 0 0 0 .994 3.48v2.456c0 .656.269 1.292.726 1.76l6.024 6.024a.99.99 0 0 0 1.402 0l4.563-4.563a.99.99 0 0 0 0-1.402L7.685 1.72zM2.366 7.048a1.54 1.54 0 0 1-.467-1.123V3.48c0-.874.716-1.58 1.58-1.58h2.456c.418 0 .825.159 1.123.467l6.104 6.094-4.702 4.702-6.094-6.114zm.626-4.066h1.989v1.989H2.982V2.982h.01z" />
</svg>
${pr.labels.map(label => `<span class="label">${label}</span>`).join('')}`;
commentContainer.appendChild(line);
}
commentContainer.appendChild(commentHeader);
commentContainer.appendChild(commentBody);
if (pr.canEdit) {
function updateDescription(text: string) {
pr.body = text;
updateState({ body: text });
}
const actionsBar = new ActionsBar(commentContainer, { body: pr.body, id: pr.number.toString() }, commentBody, messageHandler, updateDescription, 'pr.edit-description');
const renderedActionsBar = actionsBar.render();
actionsBar.registerActionBarListeners();
commentHeader.appendChild(renderedActionsBar);
if (pr.pendingCommentDrafts && pr.pendingCommentDrafts[pr.number]) {
actionsBar.startEdit(pr.pendingCommentDrafts[pr.number]);
}
}
return commentContainer;
}
function addEventListeners(pr: PullRequest): void {
document.getElementById(ElementIds.Checkout)!.addEventListener('click', async () => {
(<HTMLButtonElement>document.getElementById(ElementIds.Checkout)).disabled = true;
(<HTMLButtonElement>document.getElementById(ElementIds.Checkout)).innerHTML = 'Checking Out...';
let result = await messageHandler.postMessage({ command: 'pr.checkout' });
updateCheckoutButton(result.isCurrentlyCheckedOut);
});
// Enable 'Comment' and 'RequestChanges' button only when the user has entered text
let updateStateTimer: number;
document.getElementById(ElementIds.CommentTextArea)!.addEventListener('input', (e) => {
const inputText = (<HTMLInputElement>e.target).value;
const { state } = getState();
(<HTMLButtonElement>document.getElementById(ElementIds.Reply)).disabled = !inputText;
(<HTMLButtonElement>document.getElementById(ElementIds.RequestChanges)).disabled = !inputText || state !== PullRequestStateEnum.Open;
if (updateStateTimer) {
clearTimeout(updateStateTimer);
}
updateStateTimer = window.setTimeout(() => {
updateState({ pendingCommentText: inputText });
}, 500);
});
document.getElementById(ElementIds.Reply)!.addEventListener('click', () => {
submitComment();
});
document.getElementById(ElementIds.Merge)!.addEventListener('click', () => {
(<HTMLButtonElement>document.getElementById(ElementIds.Merge)).disabled = true;
const inputBox = (<HTMLTextAreaElement>document.getElementById(ElementIds.CommentTextArea));
messageHandler.postMessage({
command: 'pr.merge',
args: inputBox.value
});
});
document.getElementById(ElementIds.Close)!.addEventListener('click', async () => {
(<HTMLButtonElement>document.getElementById(ElementIds.Close)).disabled = true;
const inputBox = (<HTMLTextAreaElement>document.getElementById(ElementIds.CommentTextArea));
let result = await messageHandler.postMessage({ command: 'pr.close', args: inputBox.value });
appendComment(result.value);
});
document.getElementById(ElementIds.Approve)!.addEventListener('click', async () => {
(<HTMLButtonElement>document.getElementById(ElementIds.Approve)).disabled = true;
const inputBox = (<HTMLTextAreaElement>document.getElementById(ElementIds.CommentTextArea));
messageHandler.postMessage({
command: 'pr.approve',
args: inputBox.value
}).then(message => {
// succeed
appendReview(message.value);
}, err => {
// enable approve button
(<HTMLButtonElement>document.getElementById(ElementIds.Approve)).disabled = false;
});
});
document.getElementById(ElementIds.RequestChanges)!.addEventListener('click', () => {
(<HTMLButtonElement>document.getElementById(ElementIds.RequestChanges)).disabled = true;
const inputBox = (<HTMLTextAreaElement>document.getElementById(ElementIds.CommentTextArea));
messageHandler.postMessage({
command: 'pr.request-changes',
args: inputBox.value
}).then(message => {
appendReview(message.value);
}, err => {
(<HTMLButtonElement>document.getElementById(ElementIds.RequestChanges)).disabled = false;
});
});
document.getElementById(ElementIds.CheckoutDefaultBranch)!.addEventListener('click', () => {
(<HTMLButtonElement>document.getElementById(ElementIds.CheckoutDefaultBranch)).disabled = true;
messageHandler.postMessage({
command: 'pr.checkout-default-branch',
args: pr.repositoryDefaultBranch
});
});
window.onscroll = debounce(() => {
messageHandler.postMessage({
command: 'scroll',
args: {
x: window.scrollX,
y: window.scrollY
}
});
}, 200);
}
function clearTextArea() {
(<HTMLTextAreaElement>document.getElementById(ElementIds.CommentTextArea)!).value = '';
(<HTMLButtonElement>document.getElementById(ElementIds.Reply)).disabled = true;
(<HTMLButtonElement>document.getElementById(ElementIds.RequestChanges)).disabled = true;
updateState({ pendingCommentText: undefined });
}
async function submitComment() {
(<HTMLButtonElement>document.getElementById(ElementIds.Reply)).disabled = true;
const result = await messageHandler.postMessage({
command: 'pr.comment',
args: (<HTMLTextAreaElement>document.getElementById(ElementIds.CommentTextArea)!).value
});
appendComment(result.value);
}
function appendReview(review: any): void {
review.event = EventType.Reviewed;
const pullRequest = getState();
let events = pullRequest.events;
events.push(review);
updateState({ events: events });
const newReview = renderReview(review, messageHandler);
if (newReview) {
document.getElementById(ElementIds.TimelineEvents)!.appendChild(newReview);
}
clearTextArea();
}
function appendComment(comment: any) {
comment.event = EventType.Commented;
const pullRequest = getState();
let events = pullRequest.events;
events.push(comment);
updateState({ events: events });
const newComment = renderComment(comment, messageHandler);
document.getElementById(ElementIds.TimelineEvents)!.appendChild(newComment);
clearTextArea();
}
function updateCheckoutButton(isCheckedOut: boolean) {
updateState({ isCurrentlyCheckedOut: isCheckedOut });
const checkoutButton = (<HTMLButtonElement>document.getElementById(ElementIds.Checkout));
const checkoutMasterButton = (<HTMLButtonElement>document.getElementById(ElementIds.CheckoutDefaultBranch));
checkoutButton.disabled = isCheckedOut;
checkoutMasterButton.disabled = false;
const activeIcon = '<svg class="octicon octicon-check" viewBox="0 0 12 16" version="1.1" width="12" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M12 5l-8 8-4-4 1.5-1.5L4 10l6.5-6.5L12 5z"></path></svg>';
checkoutButton.innerHTML = isCheckedOut ? `${activeIcon} Checked Out` : `Checkout`;
const backButton = (<HTMLButtonElement>document.getElementById(ElementIds.CheckoutDefaultBranch));
if (isCheckedOut) {
backButton.classList.remove('hidden');
checkoutButton.classList.add('checkedOut');
} else {
backButton.classList.add('hidden');
checkoutButton.classList.remove('checkedOut');
}
}
function setTextArea() {
document.getElementById('comment-form')!.innerHTML = `<textarea id="${ElementIds.CommentTextArea}"></textarea>
<div class="form-actions">
<button id="${ElementIds.Merge}" class="secondary">Merge Pull Request</button>
<button id="${ElementIds.Close}" class="secondary">Close Pull Request</button>
<button id="${ElementIds.RequestChanges}" disabled="true" class="secondary">Request Changes</button>
<button id="${ElementIds.Approve}" class="secondary">Approve</button>
<button class="reply-button" id="${ElementIds.Reply}" disabled="true">Comment</button>
</div>`;
const textArea = (<HTMLTextAreaElement>document.getElementById(ElementIds.CommentTextArea)!);
textArea.placeholder = 'Leave a comment';
textArea.addEventListener('keydown', e => {
if (e.keyCode === 65 && e.metaKey) {
(<HTMLTextAreaElement>document.getElementById(ElementIds.CommentTextArea)!).select();
return;
}
if (e.keyCode === 13 && (e.metaKey || e.ctrlKey)) {
submitComment();
return;
}
});
let pullRequestCache = getState();
if (pullRequestCache.pendingCommentText) {
textArea.value = pullRequestCache.pendingCommentText;
const replyButton = <HTMLButtonElement>document.getElementById(ElementIds.Reply)!;
replyButton.disabled = false;
const requestChangesButton = <HTMLButtonElement>document.getElementById(ElementIds.RequestChanges)!;
requestChangesButton.disabled = false;
}
}