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ace: Debug logging

pull/4903/head
Richard Hansen 2021-02-28 19:37:14 -05:00 committed by John McLear
parent a17f9bf3cf
commit 66d3ac3783
1 changed files with 17 additions and 0 deletions
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17
src/static/js/ace.js
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@ -27,6 +27,8 @@
const hooks = require('./pluginfw/hooks');
const pluginUtils = require('./pluginfw/shared');
const debugLog = (...args) => {};
// The inner and outer iframe's locations are about:blank, so relative URLs are relative to that.
// Firefox and Chrome seem to do what the developer intends if given a relative URL, but Safari
// errors out unless given an absolute URL for a JavaScript-created element.
@ -41,11 +43,13 @@ const eventFired = async (obj, event, cleanups = [], predicate = () => true) =>
let cleanup;
const successCb = () => {
if (!predicate()) return;
debugLog(`Ace2Editor.init() ${event} event on`, obj);
cleanup();
resolve();
};
const errorCb = () => {
const err = new Error(`Ace2Editor.init() error event while waiting for ${event} event`);
debugLog(`${err} on object`, obj);
cleanup();
reject(err);
};
@ -69,7 +73,9 @@ const pollCondition = async (predicate, cleanups, pollPeriod, timeout) => {
while (!done && !predicate()) {
if (Date.now() - start > timeout) throw new Error('timeout');
await new Promise((resolve) => setTimeout(resolve, pollPeriod));
debugLog('Ace2Editor.init() polling');
}
if (!done) debugLog('Ace2Editor.init() poll condition became true');
};
// Resolves when the frame's document is ready to be mutated:
@ -220,6 +226,7 @@ const Ace2Editor = function () {
});
this.init = async function (containerId, initialCode) {
debugLog('Ace2Editor.init()');
this.importText(initialCode);
// calls to these functions ($$INCLUDE_...) are replaced when this file is processed
@ -249,7 +256,9 @@ const Ace2Editor = function () {
// For some unknown reason Firefox replaces outerWindow.document with a new Document object some
// time between running the above code and firing the outerWindow load event. Work around it by
// waiting until the load event fires before mutating the Document object.
debugLog('Ace2Editor.init() waiting for outer frame');
await frameReady(outerFrame);
debugLog('Ace2Editor.init() outer frame ready');
// This must be done after the Window's load event. See above comment.
const outerDocument = outerWindow.document;
@ -292,7 +301,9 @@ const Ace2Editor = function () {
const innerWindow = innerFrame.contentWindow;
// Wait before mutating the inner document. See above comment recarding outerWindow load.
debugLog('Ace2Editor.init() waiting for inner frame');
await frameReady(innerFrame);
debugLog('Ace2Editor.init() inner frame ready');
// This must be done after the Window's load event. See above comment.
const innerDocument = innerWindow.document;
@ -332,7 +343,9 @@ const Ace2Editor = function () {
innerDocument.body.setAttribute('spellcheck', 'false');
innerDocument.body.appendChild(innerDocument.createTextNode('\u00A0')); //  
debugLog('Ace2Editor.init() waiting for require kernel load');
await eventFired(requireKernel, 'load');
debugLog('Ace2Editor.init() require kernel loaded');
const require = innerWindow.require;
require.setRootURI(absUrl('../javascripts/src'));
require.setLibraryURI(absUrl('../javascripts/lib'));
@ -345,12 +358,16 @@ const Ace2Editor = function () {
innerWindow.$ = innerWindow.jQuery = require('ep_etherpad-lite/static/js/rjquery').jQuery;
debugLog('Ace2Editor.init() waiting for plugins');
await new Promise((resolve, reject) => innerWindow.plugins.ensure(
(err) => err != null ? reject(err) : resolve()));
debugLog('Ace2Editor.init() waiting for Ace2Inner.init()');
await new Promise((resolve, reject) => innerWindow.Ace2Inner.init(
info, (err) => err != null ? reject(err) : resolve()));
debugLog('Ace2Editor.init() Ace2Inner.init() returned');
loaded = true;
doActionsPendingInit();
debugLog('Ace2Editor.init() done');
};
};