tts: skip text to speech for rubys and footnote anchors, closes #1334 (#1608)

apps/readest-app/src/utils/node.ts

@@ -0,0 +1,38 @@
+export const createRejecttFilter = ({
+  tags = [],
+  classes = [],
+  attributes = [],
+  contents = [],
+}: {
+  tags?: string[];
+  classes?: string[];
+  attributes?: string[];
+  contents?: { tag: string; content: RegExp }[];
+}) => {
+  return (node: Node): number => {
+    if (node.nodeType === Node.ELEMENT_NODE) {
+      const name = (node as Element).tagName.toLowerCase();
+      if (name === 'script' || name === 'style') {
+        return NodeFilter.FILTER_REJECT;
+      }
+      if (tags.includes(name)) {
+        return NodeFilter.FILTER_REJECT;
+      }
+      if (classes.some((cls) => (node as Element).classList.contains(cls))) {
+        return NodeFilter.FILTER_REJECT;
+      }
+      if (attributes.some((attr) => (node as Element).hasAttribute(attr))) {
+        return NodeFilter.FILTER_REJECT;
+      }
+      if (
+        contents.some(({ tag, content }) => {
+          return name === tag && content.test((node as Element).textContent || '');
+        })
+      ) {
+        return NodeFilter.FILTER_REJECT;
+      }
+      return NodeFilter.FILTER_SKIP;
+    }
+    return NodeFilter.FILTER_ACCEPT;
+  };
+};