Got rid of all of the XMLHttpRequests in favor of fetch().
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3842 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
parent
5e92e2ffe1
commit
4bb095e81f
374
core/client.js
374
core/client.js
@ -106,15 +106,21 @@ function edit() {
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{tagName: "script", attributes: {src: "/static/codemirror/xml.min.js"}},
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{tagName: "script", attributes: {src: "/static/codemirror/htmlmixed.min.js"}},
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], function() {
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load();
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load().catch(function(error) {
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alert(error);
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closeEditor();
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});
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});
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}
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function trace() {
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var request = new XMLHttpRequest();
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request.addEventListener("loadend", function() {
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if (request.status == 200) {
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/* The trace is loaded. */
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fetch('/trace')
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.then(function(response) {
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if (!response.ok) {
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throw new Error('Request failed: ' + response.status + ' ' + response.statusText);
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}
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return response.arrayBuffer();
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}).then(function(data) {
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var perfetto = window.open('/perfetto/');
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var done = false;
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if (perfetto) {
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@ -122,7 +128,7 @@ function trace() {
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if (message.data == 'PONG') {
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perfetto.postMessage({
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perfetto: {
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buffer: request.response,
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buffer: data,
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title: 'Tilde Friends Trace',
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url: window.location.href,
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}
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@ -143,22 +149,9 @@ function trace() {
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} else {
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alert("Unable to open perfetto.");
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}
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} else {
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alert("Failed to load trace: " + request.status + ".");
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}
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});
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request.addEventListener("error", function() {
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alert("Error loading trace.");
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});
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request.addEventListener("timeout", function() {
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alert("Timed out loading trace.");
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});
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request.addEventListener("abort", function() {
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alert("Loading trace aborted.");
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});
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request.responseType = 'arraybuffer';
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request.open("GET", "/trace");
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request.send();
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}).catch(function(error) {
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alert('Failed to load trace: ' + error);
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});
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}
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function stats() {
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@ -180,113 +173,65 @@ function guessMode(name) {
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}
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function loadFile(name, id) {
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return new Promise(function(resolve, reject) {
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var request = new XMLHttpRequest();
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request.addEventListener("loadend", function() {
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if (request.status == 200) {
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gFiles[name].doc = new CodeMirror.Doc(request.responseText, guessMode(name));
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if (!Object.values(gFiles).some(x => !x.doc)) {
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document.getElementById("editPane").style.display = 'flex';
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openFile(Object.keys(gFiles).sort()[0]);
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resolve();
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}
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} else {
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reject('Error loading source.');
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}
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});
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request.addEventListener("error", function() {
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alert("Error loading source.");
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closeEditor();
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reject('Error loading source.');
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});
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request.addEventListener("timeout", function() {
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alert("Timed out loading source.");
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closeEditor();
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reject('Timed out loading source.');
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});
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request.addEventListener("abort", function() {
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alert("Loading source aborted.");
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closeEditor();
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reject('Loading source aborted.');
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});
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request.open("GET", "/" + id + "/view");
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request.send();
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return fetch('/' + id + '/view').then(function(response) {
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if (!response.ok) {
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throw new Error('Request failed: ' + response.status + ' ' + response.statusText);
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}
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return response.text();
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}).then(function(text) {
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gFiles[name].doc = new CodeMirror.Doc(text, guessMode(name));
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if (!Object.values(gFiles).some(x => !x.doc)) {
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document.getElementById("editPane").style.display = 'flex';
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openFile(Object.keys(gFiles).sort()[0]);
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}
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});
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}
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function load(path) {
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return new Promise(function(resolve, reject) {
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var request = new XMLHttpRequest();
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request.addEventListener("loadend", function() {
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if (request.status == 200 || request.status == 404) {
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if (!gEditor) {
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gEditor = CodeMirror.fromTextArea(document.getElementById("editor"), {
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'theme': 'base16-dark',
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'lineNumbers': true,
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'tabSize': 4,
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'indentUnit': 4,
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'indentWithTabs': true,
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'showTrailingSpace': true,
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});
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gEditor.on('changes', function() {
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updateFiles();
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});
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}
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gFiles = {};
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var text;
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var isApp = false;
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var promises = [];
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if (request.status == 200) {
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text = request.responseText;
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try {
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var json = JSON.parse(text);
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if (json && json['type'] == 'tildefriends-app') {
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isApp = true;
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Object.keys(json['files']).forEach(function(name) {
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gFiles[name] = {};
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promises.push(loadFile(name, json['files'][name]));
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});
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if (Object.keys(json['files']).length == 0) {
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document.getElementById("editPane").style.display = 'flex';
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}
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gApp = JSON.parse(text);
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}
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} catch {
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}
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} else {
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reject('Load failed.');
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}
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if (!isApp) {
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document.getElementById("editPane").style.display = 'flex';
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if (!text) {
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text = '// New script.\n';
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}
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gCurrentFile = 'app.js';
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gFiles[gCurrentFile] = {
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doc: new CodeMirror.Doc(text, guessMode(gCurrentFile)),
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};
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openFile(gCurrentFile);
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}
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Promise.all(promises).then(resolve).catch(reject);
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return fetch((path || url()) + 'view').then(function(response) {
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if (!response.ok) {
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throw new Error(response.status + ' ' + response.statusText);
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}
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return response.json();
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}).then(function(json) {
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if (!gEditor) {
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gEditor = CodeMirror.fromTextArea(document.getElementById("editor"), {
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'theme': 'base16-dark',
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'lineNumbers': true,
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'tabSize': 4,
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'indentUnit': 4,
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'indentWithTabs': true,
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'showTrailingSpace': true,
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});
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gEditor.on('changes', function() {
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updateFiles();
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});
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}
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gFiles = {};
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var isApp = false;
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var promises = [];
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if (json && json['type'] == 'tildefriends-app') {
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isApp = true;
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Object.keys(json['files']).forEach(function(name) {
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gFiles[name] = {};
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promises.push(loadFile(name, json['files'][name]));
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});
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if (Object.keys(json['files']).length == 0) {
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document.getElementById("editPane").style.display = 'flex';
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}
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});
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request.addEventListener("error", function() {
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alert("Error loading source.");
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closeEditor();
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reject('Error loading source.');
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});
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request.addEventListener("timeout", function() {
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alert("Timed out loading source.");
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closeEditor();
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reject('Timed out loading source.');
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});
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request.addEventListener("abort", function() {
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alert("Loading source aborted.");
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closeEditor();
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reject('Loading source aborted.');
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});
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request.open("GET", (path || url()) + "view");
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request.send();
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gApp = json;
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}
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if (!isApp) {
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document.getElementById("editPane").style.display = 'flex';
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var text = '// New script.\n';
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gCurrentFile = 'app.js';
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gFiles[gCurrentFile] = {
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doc: new CodeMirror.Doc(text, guessMode(gCurrentFile)),
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};
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openFile(gCurrentFile);
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}
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return Promise.all(promises);
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});
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}
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@ -314,18 +259,8 @@ function save(save_to) {
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gFiles[gCurrentFile].doc = gEditor.getDoc();
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}
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var appFinished = function(success) {
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document.getElementById("save").disabled = false;
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document.getElementById("push_to_parent").disabled = false;
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document.getElementById("pull_from_parent").disabled = false;
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Object.values(gFiles).forEach(function(file) {
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file.generation = file.doc.changeGeneration();
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});
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updateFiles();
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}
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var save_path = save_to;
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if (!save_to) {
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if (!save_path) {
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var name = document.getElementById("name");
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if (name && name.value) {
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save_path = name.value;
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@ -334,102 +269,75 @@ function save(save_to) {
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}
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}
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var always = function() {
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var anyUnfinished = Object.values(gFiles).some(x => x.request);
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var anyUnsaved = Object.values(gFiles).some(x => !x.doc.isClean(x.generation) && !x.id);
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if (!anyUnfinished && !anyUnsaved) {
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var app = {
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type: "tildefriends-app",
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files: Object.fromEntries(Object.keys(gFiles).map(x => [x, gFiles[x].id || gApp.files[x]])),
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};
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Object.values(gFiles).forEach(function(file) { delete file.id; });
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gApp = JSON.parse(JSON.stringify(app));
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var request = new XMLHttpRequest();
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request.addEventListener("error", function() {
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alert("Error saving: " + request.responseText);
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appFinished(false);
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});
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request.addEventListener("loadend", function() {
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if (request.status == 200) {
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if (save_path != window.location.pathname) {
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alert('Saved to ' + save_path + '.');
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} else {
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reconnect(save_path);
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}
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appFinished(true);
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} else {
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alert("Unable to save: " + request.responseText);
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appFinished(false);
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}
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});
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request.addEventListener("timeout", function() {
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alert("Timed out saving: " + request.responseText);
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appFinished(false);
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});
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request.addEventListener("abort", function() {
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alert("Save aborted: " + request.responseText);
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appFinished(false);
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});
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request.open("POST", save_path + 'save', true);
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request.setRequestHeader("Content-Type", "text/json");
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request.send(JSON.stringify(app));
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} else if (!anyUnfinished) {
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appFinished(false);
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}
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};
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var anySkipped = false;
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Object.values(gFiles).forEach(function(file) {
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var promises = [];
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for (let name of Object.keys(gFiles)) {
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let file = gFiles[name];
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if (file.doc.isClean(file.generation)) {
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anySkipped = true;
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return;
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continue;
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}
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delete file.id;
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file.request = new XMLHttpRequest();
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file.request.addEventListener("error", function() {
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alert("Error saving: " + file.request.responseText);
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file.request = null;
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always();
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});
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file.request.addEventListener("loadend", function() {
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if (file.request.status == 200) {
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file.id = file.request.responseText;
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if (file.id.charAt(0) == '/') {
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file.id = file.id.substr(1);
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}
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} else {
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alert("Unable to save: " + file.request.responseText);
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promises.push(fetch('/save', {
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method: 'POST',
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headers: {
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'Content-Type': 'text/plain',
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},
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body: file.doc.getValue(),
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}).then(function(response) {
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if (!response.ok) {
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throw new Error('Saving "' + name + '": ' + response.status + ' ' + response.statusText);
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}
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file.request = null;
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always();
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});
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file.request.addEventListener("timeout", function() {
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alert("Timed out saving: " + file.request.responseText);
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file.request = null;
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always();
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});
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file.request.addEventListener("abort", function() {
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alert("Save aborted: " + file.request.responseText);
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file.request = null;
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always();
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});
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file.request.open("POST", "/save", true);
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file.request.setRequestHeader("Content-Type", "text/plain");
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file.request.send(file.doc.getValue());
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});
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if (anySkipped) {
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always();
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return response.text();
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}).then(function(text) {
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file.id = text;
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if (file.id.charAt(0) == '/') {
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file.id = file.id.substr(1);
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}
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}));
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}
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return Promise.all(promises).then(function() {
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var app = {
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type: "tildefriends-app",
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files: Object.fromEntries(Object.keys(gFiles).map(x => [x, gFiles[x].id || gApp.files[x]])),
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};
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Object.values(gFiles).forEach(function(file) { delete file.id; });
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gApp = JSON.parse(JSON.stringify(app));
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return fetch(save_path + 'save', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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},
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body: JSON.stringify(app),
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}).then(function(response) {
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if (!response.ok) {
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throw new Error(response.status + ' ' + response.statusText);
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}
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if (save_path != window.location.pathname) {
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alert('Saved to ' + save_path + '.');
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} else {
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reconnect(save_path);
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}
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});
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}).catch(function(error) {
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alert(error);
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}).finally(function() {
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document.getElementById("save").disabled = false;
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document.getElementById("push_to_parent").disabled = false;
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document.getElementById("pull_from_parent").disabled = false;
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Object.values(gFiles).forEach(function(file) {
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file.generation = file.doc.changeGeneration();
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});
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updateFiles();
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});
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}
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function pullFromParent() {
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load(gParentApp ? gParentApp.path : null).then(x => save());
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load(gParentApp ? gParentApp.path : null).then(x => save()).catch(function(error) {
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alert(error)
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});
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}
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function pushToParent() {
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@ -687,17 +595,21 @@ function message(event) {
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} else if (event.data && event.data.action == "setHash") {
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window.location.hash = event.data.hash;
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} else if (event.data && event.data.action == 'storeBlob') {
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var request = new XMLHttpRequest();
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request.addEventListener("loadend", function() {
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if (request.status == 200) {
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var iframe = document.getElementById("document");
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iframe.contentWindow.postMessage({'storeBlobComplete': {name: event.data.blob.name, path: request.responseText, type: event.data.blob.type}}, '*');
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fetch('/save', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/binary',
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},
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body: event.data.blob.buffer,
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}).then(function(response) {
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if (!response.ok) {
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throw new Error(response.status + ' ' + response.statusText);
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}
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return response.text();
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}).then(function(text) {
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var iframe = document.getElementById("document");
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iframe.contentWindow.postMessage({'storeBlobComplete': {name: event.data.blob.name, path: text, type: event.data.blob.type}}, '*');
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});
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request.open('POST', "/save", true);
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request.setRequestHeader("Content-Type", "application/binary");
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console.log('storing', event.data.blob.buffer);
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request.send(event.data.blob.buffer);
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} else {
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send({event: "message", message: event.data});
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}
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