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show mermaid errors, fixes #3610

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zadam 2023-02-13 23:46:04 +01:00
parent e9a2cacb5b
commit 896a4fe981
1 changed files with 22 additions and 21 deletions
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43
src/public/app/widgets/mermaid.js
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@ -73,36 +73,37 @@ export default class MermaidWidget extends NoteContextAwareWidget {
const wheelZoomLoaded = libraryLoader.requireLibrary(libraryLoader.WHEEL_ZOOM); const wheelZoomLoaded = libraryLoader.requireLibrary(libraryLoader.WHEEL_ZOOM);
try { try {
const renderedSvg = await this.renderSvg(); await this.renderSvg(async renderedSvg => {
this.$display.html(renderedSvg); this.$display.html(renderedSvg);
await wheelZoomLoaded; await wheelZoomLoaded;
this.$display.attr("id", `mermaid-render-${idCounter}`); this.$display.attr("id", `mermaid-render-${idCounter}`);
WZoom.create(`#mermaid-render-${idCounter}`, { WZoom.create(`#mermaid-render-${idCounter}`, {
type: 'html', type: 'html',
maxScale: 10, maxScale: 10,
speed: 20, speed: 20,
zoomOnClick: false zoomOnClick: false
});
this.$errorContainer.hide();
}); });
this.$errorContainer.hide();
} catch (e) { } catch (e) {
this.$errorMessage.text(e.message); this.$errorMessage.text(e.message);
this.$errorContainer.show(); this.$errorContainer.show();
} }
} }
renderSvg() { async renderSvg(cb) {
return new Promise(async res => { idCounter++;
idCounter++;
const noteComplement = await froca.getNoteComplement(this.noteId); const noteComplement = await froca.getNoteComplement(this.noteId);
const content = noteComplement.content || ""; const content = noteComplement.content || "";
mermaid.mermaidAPI.render(`mermaid-graph-${idCounter}`, content, res); // this can't be promisified since in case of error this both calls callback with error SVG and throws exception
}); // with error details
mermaid.mermaidAPI.render(`mermaid-graph-${idCounter}`, content, cb);
} }
async entitiesReloadedEvent({loadResults}) { async entitiesReloadedEvent({loadResults}) {
@ -116,9 +117,9 @@ export default class MermaidWidget extends NoteContextAwareWidget {
return; return;
} }
const renderedSvg = await this.renderSvg(); await this.renderSvg(renderedSvg => {
this.download(`${this.note.title}.svg`, renderedSvg);
this.download(`${this.note.title}.svg`, renderedSvg); });
} }
download(filename, text) { download(filename, text) {