mirror of
https://github.com/golang/go
synced 2024-11-05 15:46:11 -07:00
693125cf94
Command used: docker run --rm -it --volume "$PWD":/wd agniva/prettier "**/*.{js,css}"
Updates golang/go#21719
Change-Id: I892718781206430a8f85da38a762b54191ce023a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183878
Run-TryBot: Agniva De Sarker <agniva.quicksilver@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
594 lines
16 KiB
JavaScript
594 lines
16 KiB
JavaScript
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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/*
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In the absence of any formal way to specify interfaces in JavaScript,
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here's a skeleton implementation of a playground transport.
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function Transport() {
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// Set up any transport state (eg, make a websocket connection).
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return {
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Run: function(body, output, options) {
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// Compile and run the program 'body' with 'options'.
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// Call the 'output' callback to display program output.
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return {
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Kill: function() {
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// Kill the running program.
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}
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};
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}
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};
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}
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// The output callback is called multiple times, and each time it is
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// passed an object of this form.
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var write = {
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Kind: 'string', // 'start', 'stdout', 'stderr', 'end'
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Body: 'string' // content of write or end status message
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}
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// The first call must be of Kind 'start' with no body.
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// Subsequent calls may be of Kind 'stdout' or 'stderr'
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// and must have a non-null Body string.
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// The final call should be of Kind 'end' with an optional
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// Body string, signifying a failure ("killed", for example).
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// The output callback must be of this form.
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// See PlaygroundOutput (below) for an implementation.
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function outputCallback(write) {
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}
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*/
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// HTTPTransport is the default transport.
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// enableVet enables running vet if a program was compiled and ran successfully.
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// If vet returned any errors, display them before the output of a program.
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function HTTPTransport(enableVet) {
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'use strict';
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function playback(output, data) {
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// Backwards compatibility: default values do not affect the output.
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var events = data.Events || [];
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var errors = data.Errors || '';
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var status = data.Status || 0;
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var isTest = data.IsTest || false;
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var testsFailed = data.TestsFailed || 0;
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var timeout;
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output({ Kind: 'start' });
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function next() {
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if (!events || events.length === 0) {
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if (isTest) {
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if (testsFailed > 0) {
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output({
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Kind: 'system',
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Body:
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'\n' +
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testsFailed +
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' test' +
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(testsFailed > 1 ? 's' : '') +
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' failed.',
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});
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} else {
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output({ Kind: 'system', Body: '\nAll tests passed.' });
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}
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} else {
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if (status > 0) {
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output({ Kind: 'end', Body: 'status ' + status + '.' });
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} else {
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if (errors !== '') {
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// errors are displayed only in the case of timeout.
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output({ Kind: 'end', Body: errors + '.' });
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} else {
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output({ Kind: 'end' });
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}
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}
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}
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return;
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}
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var e = events.shift();
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if (e.Delay === 0) {
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output({ Kind: e.Kind, Body: e.Message });
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next();
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return;
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}
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timeout = setTimeout(function() {
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output({ Kind: e.Kind, Body: e.Message });
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next();
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}, e.Delay / 1000000);
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}
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next();
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return {
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Stop: function() {
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clearTimeout(timeout);
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},
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};
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}
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function error(output, msg) {
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output({ Kind: 'start' });
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output({ Kind: 'stderr', Body: msg });
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output({ Kind: 'end' });
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}
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function buildFailed(output, msg) {
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output({ Kind: 'start' });
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output({ Kind: 'stderr', Body: msg });
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output({ Kind: 'system', Body: '\nGo build failed.' });
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}
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var seq = 0;
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return {
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Run: function(body, output, options) {
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seq++;
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var cur = seq;
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var playing;
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$.ajax('/compile', {
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type: 'POST',
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data: { version: 2, body: body, withVet: enableVet },
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dataType: 'json',
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success: function(data) {
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if (seq != cur) return;
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if (!data) return;
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if (playing != null) playing.Stop();
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if (data.Errors) {
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if (data.Errors === 'process took too long') {
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// Playback the output that was captured before the timeout.
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playing = playback(output, data);
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} else {
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buildFailed(output, data.Errors);
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}
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return;
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}
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if (!data.Events) {
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data.Events = [];
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}
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if (data.VetErrors) {
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// Inject errors from the vet as the first events in the output.
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data.Events.unshift({
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Message: 'Go vet exited.\n\n',
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Kind: 'system',
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Delay: 0,
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});
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data.Events.unshift({
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Message: data.VetErrors,
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Kind: 'stderr',
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Delay: 0,
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});
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}
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if (!enableVet || data.VetOK || data.VetErrors) {
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playing = playback(output, data);
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return;
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}
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// In case the server support doesn't support
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// compile+vet in same request signaled by the
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// 'withVet' parameter above, also try the old way.
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// TODO: remove this when it falls out of use.
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// It is 2019-05-13 now.
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$.ajax('/vet', {
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data: { body: body },
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type: 'POST',
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dataType: 'json',
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success: function(dataVet) {
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if (dataVet.Errors) {
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// inject errors from the vet as the first events in the output
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data.Events.unshift({
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Message: 'Go vet exited.\n\n',
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Kind: 'system',
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Delay: 0,
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});
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data.Events.unshift({
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Message: dataVet.Errors,
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Kind: 'stderr',
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Delay: 0,
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});
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}
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playing = playback(output, data);
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},
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error: function() {
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playing = playback(output, data);
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},
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});
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},
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error: function() {
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error(output, 'Error communicating with remote server.');
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},
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});
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return {
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Kill: function() {
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if (playing != null) playing.Stop();
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output({ Kind: 'end', Body: 'killed' });
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},
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};
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},
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};
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}
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function SocketTransport() {
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'use strict';
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var id = 0;
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var outputs = {};
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var started = {};
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var websocket;
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if (window.location.protocol == 'http:') {
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websocket = new WebSocket('ws://' + window.location.host + '/socket');
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} else if (window.location.protocol == 'https:') {
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websocket = new WebSocket('wss://' + window.location.host + '/socket');
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}
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websocket.onclose = function() {
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console.log('websocket connection closed');
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};
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websocket.onmessage = function(e) {
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var m = JSON.parse(e.data);
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var output = outputs[m.Id];
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if (output === null) return;
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if (!started[m.Id]) {
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output({ Kind: 'start' });
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started[m.Id] = true;
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}
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output({ Kind: m.Kind, Body: m.Body });
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};
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function send(m) {
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websocket.send(JSON.stringify(m));
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}
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return {
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Run: function(body, output, options) {
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var thisID = id + '';
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id++;
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outputs[thisID] = output;
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send({ Id: thisID, Kind: 'run', Body: body, Options: options });
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return {
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Kill: function() {
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send({ Id: thisID, Kind: 'kill' });
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},
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};
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},
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};
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}
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function PlaygroundOutput(el) {
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'use strict';
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return function(write) {
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if (write.Kind == 'start') {
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el.innerHTML = '';
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return;
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}
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var cl = 'system';
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if (write.Kind == 'stdout' || write.Kind == 'stderr') cl = write.Kind;
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var m = write.Body;
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if (write.Kind == 'end') {
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m = '\nProgram exited' + (m ? ': ' + m : '.');
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}
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if (m.indexOf('IMAGE:') === 0) {
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// TODO(adg): buffer all writes before creating image
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var url = 'data:image/png;base64,' + m.substr(6);
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var img = document.createElement('img');
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img.src = url;
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el.appendChild(img);
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return;
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}
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// ^L clears the screen.
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var s = m.split('\x0c');
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if (s.length > 1) {
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el.innerHTML = '';
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m = s.pop();
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}
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m = m.replace(/&/g, '&');
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m = m.replace(/</g, '<');
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m = m.replace(/>/g, '>');
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var needScroll = el.scrollTop + el.offsetHeight == el.scrollHeight;
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var span = document.createElement('span');
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span.className = cl;
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span.innerHTML = m;
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el.appendChild(span);
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if (needScroll) el.scrollTop = el.scrollHeight - el.offsetHeight;
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};
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}
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(function() {
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function lineHighlight(error) {
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var regex = /prog.go:([0-9]+)/g;
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var r = regex.exec(error);
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while (r) {
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$('.lines div')
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.eq(r[1] - 1)
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.addClass('lineerror');
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r = regex.exec(error);
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}
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}
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function highlightOutput(wrappedOutput) {
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return function(write) {
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if (write.Body) lineHighlight(write.Body);
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wrappedOutput(write);
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};
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}
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function lineClear() {
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$('.lineerror').removeClass('lineerror');
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}
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// opts is an object with these keys
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// codeEl - code editor element
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// outputEl - program output element
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// runEl - run button element
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// fmtEl - fmt button element (optional)
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// fmtImportEl - fmt "imports" checkbox element (optional)
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// shareEl - share button element (optional)
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// shareURLEl - share URL text input element (optional)
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// shareRedirect - base URL to redirect to on share (optional)
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// toysEl - toys select element (optional)
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// enableHistory - enable using HTML5 history API (optional)
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// transport - playground transport to use (default is HTTPTransport)
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// enableShortcuts - whether to enable shortcuts (Ctrl+S/Cmd+S to save) (default is false)
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// enableVet - enable running vet and displaying its errors
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function playground(opts) {
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var code = $(opts.codeEl);
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var transport = opts['transport'] || new HTTPTransport(opts['enableVet']);
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var running;
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// autoindent helpers.
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function insertTabs(n) {
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// find the selection start and end
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var start = code[0].selectionStart;
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var end = code[0].selectionEnd;
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// split the textarea content into two, and insert n tabs
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var v = code[0].value;
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var u = v.substr(0, start);
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for (var i = 0; i < n; i++) {
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u += '\t';
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}
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u += v.substr(end);
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// set revised content
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code[0].value = u;
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// reset caret position after inserted tabs
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code[0].selectionStart = start + n;
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code[0].selectionEnd = start + n;
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}
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function autoindent(el) {
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var curpos = el.selectionStart;
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var tabs = 0;
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while (curpos > 0) {
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curpos--;
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if (el.value[curpos] == '\t') {
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tabs++;
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} else if (tabs > 0 || el.value[curpos] == '\n') {
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break;
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}
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}
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setTimeout(function() {
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insertTabs(tabs);
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}, 1);
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}
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// NOTE(cbro): e is a jQuery event, not a DOM event.
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function handleSaveShortcut(e) {
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if (e.isDefaultPrevented()) return false;
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if (!e.metaKey && !e.ctrlKey) return false;
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if (e.key != 'S' && e.key != 's') return false;
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e.preventDefault();
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// Share and save
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share(function(url) {
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window.location.href = url + '.go?download=true';
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});
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return true;
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}
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function keyHandler(e) {
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if (opts.enableShortcuts && handleSaveShortcut(e)) return;
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if (e.keyCode == 9 && !e.ctrlKey) {
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// tab (but not ctrl-tab)
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insertTabs(1);
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e.preventDefault();
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return false;
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}
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if (e.keyCode == 13) {
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// enter
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if (e.shiftKey) {
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// +shift
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run();
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e.preventDefault();
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return false;
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}
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if (e.ctrlKey) {
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// +control
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fmt();
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e.preventDefault();
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} else {
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autoindent(e.target);
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}
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}
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return true;
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}
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code.unbind('keydown').bind('keydown', keyHandler);
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var outdiv = $(opts.outputEl).empty();
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var output = $('<pre/>').appendTo(outdiv);
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function body() {
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return $(opts.codeEl).val();
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}
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function setBody(text) {
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$(opts.codeEl).val(text);
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}
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function origin(href) {
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return ('' + href)
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.split('/')
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.slice(0, 3)
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.join('/');
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}
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var pushedEmpty = window.location.pathname == '/';
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function inputChanged() {
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if (pushedEmpty) {
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return;
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}
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pushedEmpty = true;
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$(opts.shareURLEl).hide();
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window.history.pushState(null, '', '/');
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}
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function popState(e) {
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if (e === null) {
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return;
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}
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if (e && e.state && e.state.code) {
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setBody(e.state.code);
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}
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}
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var rewriteHistory = false;
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if (
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window.history &&
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window.history.pushState &&
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window.addEventListener &&
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opts.enableHistory
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) {
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rewriteHistory = true;
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code[0].addEventListener('input', inputChanged);
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window.addEventListener('popstate', popState);
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}
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function setError(error) {
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if (running) running.Kill();
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lineClear();
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lineHighlight(error);
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output
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.empty()
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.addClass('error')
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.text(error);
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}
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function loading() {
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lineClear();
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if (running) running.Kill();
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output.removeClass('error').text('Waiting for remote server...');
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}
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function run() {
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loading();
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running = transport.Run(
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body(),
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highlightOutput(PlaygroundOutput(output[0]))
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);
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}
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function fmt() {
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loading();
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var data = { body: body() };
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if ($(opts.fmtImportEl).is(':checked')) {
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data['imports'] = 'true';
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}
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$.ajax('/fmt', {
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data: data,
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type: 'POST',
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dataType: 'json',
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success: function(data) {
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if (data.Error) {
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setError(data.Error);
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} else {
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setBody(data.Body);
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setError('');
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}
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},
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});
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}
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var shareURL; // jQuery element to show the shared URL.
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var sharing = false; // true if there is a pending request.
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var shareCallbacks = [];
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function share(opt_callback) {
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if (opt_callback) shareCallbacks.push(opt_callback);
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if (sharing) return;
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sharing = true;
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var sharingData = body();
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$.ajax('/share', {
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processData: false,
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data: sharingData,
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type: 'POST',
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contentType: 'text/plain; charset=utf-8',
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complete: function(xhr) {
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sharing = false;
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if (xhr.status != 200) {
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alert('Server error; try again.');
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return;
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}
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if (opts.shareRedirect) {
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window.location = opts.shareRedirect + xhr.responseText;
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}
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var path = '/p/' + xhr.responseText;
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var url = origin(window.location) + path;
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for (var i = 0; i < shareCallbacks.length; i++) {
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shareCallbacks[i](url);
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}
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shareCallbacks = [];
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if (shareURL) {
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shareURL
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.show()
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.val(url)
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.focus()
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.select();
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if (rewriteHistory) {
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var historyData = { code: sharingData };
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window.history.pushState(historyData, '', path);
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pushedEmpty = false;
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}
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}
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},
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});
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}
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$(opts.runEl).click(run);
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$(opts.fmtEl).click(fmt);
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if (
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opts.shareEl !== null &&
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(opts.shareURLEl !== null || opts.shareRedirect !== null)
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) {
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if (opts.shareURLEl) {
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shareURL = $(opts.shareURLEl).hide();
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}
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$(opts.shareEl).click(function() {
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|
share();
|
|
});
|
|
}
|
|
|
|
if (opts.toysEl !== null) {
|
|
$(opts.toysEl).bind('change', function() {
|
|
var toy = $(this).val();
|
|
$.ajax('/doc/play/' + toy, {
|
|
processData: false,
|
|
type: 'GET',
|
|
complete: function(xhr) {
|
|
if (xhr.status != 200) {
|
|
alert('Server error; try again.');
|
|
return;
|
|
}
|
|
setBody(xhr.responseText);
|
|
},
|
|
});
|
|
});
|
|
}
|
|
}
|
|
|
|
window.playground = playground;
|
|
})();
|