vscode-pull-request-github/preview-src/index.ts at master · SingletonJava/vscode-pull-request-github · GitHub

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/*---------------------------------------------------------------------------------------------

* Licensed under the MIT License. See License.txt in the project root for license information.

*--------------------------------------------------------------------------------------------*/

import './index.css';

import * as debounce from 'debounce';

import { dateFromNow } from '../src/common/utils';

import { EventType, isReviewEvent } from '../src/common/timelineEvent';

import { PullRequestStateEnum } from '../src/github/interface';

import { getStatus, renderComment, ActionsBar, renderStatusChecks, updatePullRequestState, ElementIds, appendReview, clearTextArea, renderTimelineEvents, renderReviewers, renderLabels } from './pullRequestOverviewRenderer';

import { getMessageHandler } from './message';

import { getState, setState, PullRequest, updateState } from './cache';

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, messageHandler);

setTitleHTML(pr);

setTextArea();

renderStatusChecks(pr, messageHandler);

renderReviewers(pr, messageHandler);

renderLabels(pr, messageHandler);

updateCheckoutButton(pr.isCurrentlyCheckedOut);

updatePullRequestState(pr.state);

addEventListeners(pr);

}

function setTitleHTML(pr: PullRequest): void {

document.getElementById('title')!.innerHTML = `

<button id="${ElementIds.CheckoutDefaultBranch}" aria-live="polite">Exit Review Mode</button>

<button id="${ElementIds.Refresh}">Refresh</button>

</div>

<div id="${ElementIds.Status}">${getStatus(pr.state)}</div>

<span class="author"><a href="${pr.author.url}">${pr.author.login}</a> wants to merge changes from <code>${pr.head}</code> to <code>${pr.base}</code>.</span>

<span class="created-at">Created <a href=${pr.url} class="timestamp">${dateFromNow(pr.createdAt)}</a></span>

</div>

const title = renderTitle(pr);

(document.getElementById('overview-title')! as any).prepend(title);

renderDescription(pr);

}

function renderTitle(pr: PullRequest): HTMLElement {

const titleContainer = document.createElement('h2');

titleContainer.classList.add('title-container');

const titleHeader = document.createElement('div');

titleHeader.classList.add('description-header');

const title = document.createElement('span');

title.classList.add('title-text');

title.textContent = pr.title;

const prNumber = document.createElement('span');

prNumber.innerHTML = `(<a href=${pr.url}>#${pr.number}</a>)`;

if (pr.canEdit) {

function updateTitle(text: string) {

pr.title = text;

updateState({ title: text });

title.textContent = text;

}

const actionsBar = new ActionsBar(

titleContainer,

{

body: pr.title,

id: pr.number.toString()

title,

messageHandler,

updateTitle,

'pr.edit-title',

undefined,

[prNumber]

);

const renderedActionsBar = actionsBar.render();

actionsBar.registerActionBarListeners();

titleHeader.appendChild(renderedActionsBar);

if (pr.pendingCommentDrafts && pr.pendingCommentDrafts[pr.number]) {

actionsBar.startEdit(pr.pendingCommentDrafts[pr.number]);

}

title.addEventListener('click', () => {

actionsBar.startEdit();

});

}

titleContainer.appendChild(titleHeader);

titleContainer.appendChild(title);

titleContainer.appendChild(prNumber);

return titleContainer;

}

function renderDescription(pr: PullRequest): void {

const descriptionNode = document.getElementById('description');

descriptionNode.innerHTML = '';

const bodyHTML = !pr.body ? '<i>No description provided</i>' : pr.bodyHTML;

const descriptionElement = renderComment({

htmlUrl: pr.url,

body: pr.body,

bodyHTML: bodyHTML,

user: pr.author,

event: EventType.Commented,

canEdit: pr.canEdit,

canDelete: false,

id: pr.number,

createdAt: pr.createdAt

}, messageHandler, undefined, {

handler: (text: string) => {

pr.body = text;

updateState({ body: text });

command: 'pr.edit-description' });

descriptionNode.appendChild(descriptionElement);

}

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.Refresh).addEventListener('click', () => {

messageHandler.postMessage({

command: 'pr.refresh'

});

document.getElementById(ElementIds.Reply)!.addEventListener('click', () => {

submitComment();

});

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);

});

const approveButton = document.getElementById(ElementIds.Approve);

if (approveButton) {

approveButton.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, messageHandler);

}, err => {

// enable approve button

(<HTMLButtonElement>document.getElementById(ElementIds.Approve)).disabled = false;

});

}

const requestChangesButton = document.getElementById(ElementIds.RequestChanges);

if (requestChangesButton) {

requestChangesButton.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, messageHandler);

}, 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);

}

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 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() {

const { supportsGraphQl, events } = getState();

const displaySubmitButtonsOnPendingReview = supportsGraphQl && events.some(e => isReviewEvent(e) && e.state.toLowerCase() === 'pending');

document.getElementById('comment-form')!.innerHTML = `<textarea id="${ElementIds.CommentTextArea}"></textarea>

<button id="${ElementIds.Close}" class="secondary">Close Pull Request</button>

${ displaySubmitButtonsOnPendingReview

? ''

: `<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;

}

vscode-pull-request-github/preview-src/index.ts at master · SingletonJava/vscode-pull-request-github · GitHub

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