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Use async/await syntax in _updateQa

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This commit is contained in:
Henrik Giesel 2020-12-29 13:32:04 +01:00
parent db3308e788
commit ecdb06cbd6
1 changed files with 29 additions and 29 deletions
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58
qt/aqt/data/web/js/reviewer.ts
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@ -21,7 +21,7 @@ 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 +39,35 @@ 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);
// @ts-ignore wait for mathjax to ready
await MathJax.startup.promise.then(() => {
// @ts-ignore clear MathJax buffer
MathJax.typesetClear();
// @ts-ignore typeset
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) {