Merge pull request #874 from hgiesel/jqueryreview

Update _updateQa
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Damien Elmes 2020-12-30 13:51:54 +10:00 committed by GitHub
commit 1ee08c049e
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@ -1,6 +1,8 @@
/* Copyright: Ankitects Pty Ltd and contributors
* License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html */
declare var MathJax: any;
var ankiPlatform = "desktop";
var typeans;
var _updatingQA = false;
@ -8,10 +10,10 @@ var _updatingQA = false;
var qFade = 50;
var aFade = 0;
var onUpdateHook;
var onShownHook;
var onUpdateHook: Array<() => void | Promise<void>>;
var onShownHook: Array<() => void | Promise<void>>;
function _runHook(arr: () => Promise<any>[]): Promise<any[]> {
function _runHook(arr: Array<() => void | Promise<void>>): Promise<void[]> {
var promises = [];
for (var i = 0; i < arr.length; i++) {
@ -21,7 +23,7 @@ function _runHook(arr: () => Promise<any>[]): Promise<any[]> {
return Promise.all(promises);
}
function _updateQA(html, fadeTime, onupdate, onshown) {
async function _updateQA(html, fadeTime, onupdate, onshown) {
// if a request to update q/a comes in before the previous content
// has been loaded, wait a while and try again
if (_updatingQA) {
@ -39,35 +41,34 @@ function _updateQA(html, fadeTime, onupdate, onshown) {
var qa = $("#qa");
// fade out current text
new Promise((resolve) => qa.fadeTo(fadeTime, 0, () => resolve()))
// update text
.then(() => {
try {
qa.html(html);
} catch (err) {
qa.html(
(
`Invalid HTML on card: ${String(err).substring(0, 2000)}\n` +
String(err.stack).substring(0, 2000)
).replace(/\n/g, "<br />")
);
}
})
.then(() => _runHook(onUpdateHook))
.then(() =>
// @ts-ignore wait for mathjax to ready
MathJax.startup.promise.then(() => {
// @ts-ignore clear MathJax buffer
MathJax.typesetClear();
await qa.fadeTo(fadeTime, 0).promise();
// @ts-ignore typeset
return MathJax.typesetPromise(qa.slice(0, 1));
})
)
// and reveal when processing is done
.then(() => new Promise((resolve) => qa.fadeTo(fadeTime, 1, () => resolve())))
.then(() => _runHook(onShownHook))
.then(() => (_updatingQA = false));
// update text
try {
qa.html(html);
} catch (err) {
qa.html(
(
`Invalid HTML on card: ${String(err).substring(0, 2000)}\n` +
String(err.stack).substring(0, 2000)
).replace(/\n/g, "<br />")
);
}
await _runHook(onUpdateHook);
// wait for mathjax to ready
await MathJax.startup.promise.then(() => {
// clear MathJax buffers from previous typesets
MathJax.typesetClear();
return MathJax.typesetPromise(qa.slice(0, 1));
});
// and reveal when processing is done
await qa.fadeTo(fadeTime, 1).promise();
await _runHook(onShownHook);
_updatingQA = false;
}
function _showQuestion(q, bodyclass) {