fix(core): Hang-up with footnote or page float on pseudo elements

Fixes #703

packages/core/src/vivliostyle/ops.ts

@@ -687,14 +687,16 @@ export class StyleInstance
     const pageFloatLayoutContext = column.pageFloatLayoutContext;
     const deferredFloats = pageFloatLayoutContext.getDeferredPageFloatContinuations();
 
+    // Fix for issue #681
     // Prevent deferred page floats from appearing in the preceding pages,
     // e.g., during re-layout the TOC page with target-counter() referencing
     // later sections containing page floats.
     if (
       deferredFloats.length &&
       deferredFloats[0].float.floatReference === "page"
     ) {
-      const deferredFloatNode = deferredFloats[0].nodePosition.steps[0].node;
+      const deferredFloatNode =
+        deferredFloats[0].float.nodePosition.steps[0].node;
       const deferredFloatOffset =
         deferredFloatNode &&
         this.xmldoc.getNodeOffset(deferredFloatNode, 0, false);

packages/core/src/vivliostyle/vtree.ts

@@ -30,6 +30,7 @@ import * as GeometryUtil from "./geometry-util";
 import * as TaskUtil from "./task-util";
 import { assert } from "./asserts";
 import { PageFloats, Selectors, Vtree, XmlDoc } from "./types";
+import { PseudoelementStyler } from "./pseudo-element";
 
 export const delayedProps = {
   transform: true,
@@ -756,6 +757,17 @@ export class NodeContext implements Vtree.NodeContext {
   toNodePosition(): NodePosition {
     let nc: NodeContext = this;
     const steps = [];
+
+    // Fix for issue #703
+    if (
+      nc.shadowType === Vtree.ShadowType.ROOTLESS &&
+      (nc.floatReference !== PageFloats.FloatReference.INLINE ||
+        nc.floatSide === "footnote") &&
+      nc.shadowContext.styler instanceof PseudoelementStyler
+    ) {
+      nc = nc.parent;
+    }
+
     do {
       // We need fully "peeled" path, so don't record first-XXX pseudoelement
       // containers