diff --git a/ts/editable/editable.ts b/ts/editable/editable.ts
index 187bb3ca1..f05f7b922 100644
--- a/ts/editable/editable.ts
+++ b/ts/editable/editable.ts
@@ -50,9 +50,12 @@ export class Editable extends HTMLElement {
}
}
- return containsInlineContent(clone) && this.innerHTML.endsWith("
")
- ? clone.innerHTML.slice(0, -4) // trim trailing
- : clone.innerHTML;
+ const result =
+ containsInlineContent(clone) && clone.innerHTML.endsWith("
")
+ ? clone.innerHTML.slice(0, -4) // trim trailing
+ : clone.innerHTML;
+
+ return result;
}
connectedCallback(): void {
diff --git a/ts/editable/mathjax-component.ts b/ts/editable/mathjax-component.ts
index f72a93278..150743c4d 100644
--- a/ts/editable/mathjax-component.ts
+++ b/ts/editable/mathjax-component.ts
@@ -1,9 +1,49 @@
import "mathjax/es5/tex-svg-full";
+import { nodeIsElement } from "lib/dom";
import Mathjax_svelte from "./Mathjax.svelte";
+function moveNodesInsertedBeforeEndToAfterEnd(element: Element): () => void {
+ const allowedChildNodes = element.childNodes.length;
+
+ const observer = new MutationObserver(() => {
+ for (const node of [...element.childNodes].slice(allowedChildNodes)) {
+ element.removeChild(node);
+
+ let referenceNode: Node;
+
+ if (nodeIsElement(node)) {
+ referenceNode = element.insertAdjacentElement("afterend", node)!;
+ } else {
+ element.insertAdjacentText("afterend", (node as Text).wholeText);
+ referenceNode = element.nextSibling!;
+ }
+
+ if (!referenceNode) {
+ continue;
+ }
+
+ const range = document.createRange();
+ range.setStartAfter(referenceNode);
+ range.collapse(false);
+
+ const selection = document.getSelection()!;
+ selection.removeAllRanges();
+ selection.addRange(range);
+ }
+ });
+
+ observer.observe(element, { characterData: true, subtree: true });
+ return () => observer.disconnect();
+}
+
class Mathjax extends HTMLElement {
block: boolean = false;
+ disconnect: () => void = () => {};
+
+ constructor() {
+ super();
+ }
static get observedAttributes(): string[] {
return ["block"];
@@ -11,6 +51,11 @@ class Mathjax extends HTMLElement {
connectedCallback(): void {
this.decorate();
+ this.disconnect = moveNodesInsertedBeforeEndToAfterEnd(this);
+ }
+
+ disconnectedCallback(): void {
+ this.disconnect();
}
attributeChangedCallback(_name: string, _old: string, newValue: string): void {
@@ -41,17 +86,18 @@ class Mathjax extends HTMLElement {
customElements.define("anki-mathjax", Mathjax);
-// TODO mathjax regex will prob. fail at double quotes
const mathjaxTagPattern =
/]*?block="(.*?)")?[^>]*?>(.*?)<\/anki-mathjax>/gsu;
export function toMathjaxDelimiters(html: string): string {
return html.replace(
mathjaxTagPattern,
- (_match: string, block: string | undefined, text: string) =>
- typeof block === "string" && block !== "false"
+ (_match: string, block: string | undefined, text: string) => {
+ console.log("delim", _match, block, "text", text);
+ return typeof block === "string" && block !== "false"
? `\\[${text}\\]`
- : `\\(${text}\\)`
+ : `\\(${text}\\)`;
+ }
);
}
@@ -62,11 +108,14 @@ export function toMathjaxTags(html: string): string {
return html
.replace(
mathjaxBlockDelimiterPattern,
- (_match: string, text: string) =>
- `${text}`
+ (_match: string, text: string) => (
+ console.log(text), `${text}`
+ )
)
.replace(
mathjaxInlineDelimiterPattern,
- (_match: string, text: string) => `${text}`
+ (_match: string, text: string) => (
+ console.log(text), `${text}`
+ )
);
}