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2026-07-02 15:54:39 -06:00
commit 9883323161
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+// packages/block-editor/build-module/utils/fit-text-frontend.mjs
+import { store, getElement, getContext } from "@wordpress/interactivity";
+
+// packages/block-editor/build-module/utils/fit-text-utils.mjs
+function findOptimalFontSize(textElement, applyFontSize) {
+  const alreadyHasScrollableHeight = textElement.scrollHeight > textElement.clientHeight;
+  let minSize = 0;
+  let maxSize = 2400;
+  let bestSize = minSize;
+  const computedStyle = window.getComputedStyle(textElement);
+  let paddingLeft = parseFloat(computedStyle.paddingLeft) || 0;
+  let paddingRight = parseFloat(computedStyle.paddingRight) || 0;
+  const range = document.createRange();
+  range.selectNodeContents(textElement);
+  let referenceElement = textElement;
+  const parentElement = textElement.parentElement;
+  if (parentElement) {
+    const parentElementComputedStyle = window.getComputedStyle(parentElement);
+    if (parentElementComputedStyle?.display === "flex") {
+      referenceElement = parentElement;
+      paddingLeft += parseFloat(parentElementComputedStyle.paddingLeft) || 0;
+      paddingRight += parseFloat(parentElementComputedStyle.paddingRight) || 0;
+    }
+  }
+  let maxclientHeight = referenceElement.clientHeight;
+  while (minSize <= maxSize) {
+    const midSize = Math.floor((minSize + maxSize) / 2);
+    applyFontSize(midSize);
+    const rect = range.getBoundingClientRect();
+    const textWidth = rect.width;
+    const fitsWidth = textElement.scrollWidth <= referenceElement.clientWidth && textWidth <= referenceElement.clientWidth - paddingLeft - paddingRight;
+    const fitsHeight = alreadyHasScrollableHeight || textElement.scrollHeight <= referenceElement.clientHeight || textElement.scrollHeight <= maxclientHeight;
+    if (referenceElement.clientHeight > maxclientHeight) {
+      maxclientHeight = referenceElement.clientHeight;
+    }
+    if (fitsWidth && fitsHeight) {
+      bestSize = midSize;
+      minSize = midSize + 1;
+    } else {
+      maxSize = midSize - 1;
+    }
+  }
+  range.detach();
+  return bestSize;
+}
+function optimizeFitText(textElement, applyFontSize) {
+  if (!textElement) {
+    return;
+  }
+  applyFontSize(0);
+  const optimalSize = findOptimalFontSize(textElement, applyFontSize);
+  applyFontSize(optimalSize);
+  return optimalSize;
+}
+
+// packages/block-editor/build-module/utils/fit-text-frontend.mjs
+store("core/fit-text", {
+  callbacks: {
+    init() {
+      const context = getContext();
+      const { ref } = getElement();
+      const applyFontSize = (fontSize) => {
+        if (fontSize === 0) {
+          ref.style.fontSize = "";
+        } else {
+          ref.style.fontSize = `${fontSize}px`;
+        }
+      };
+      context.fontSize = optimizeFitText(ref, applyFontSize);
+      if (window.ResizeObserver && ref.parentElement) {
+        const resizeObserver = new window.ResizeObserver(() => {
+          context.fontSize = optimizeFitText(ref, applyFontSize);
+        });
+        resizeObserver.observe(ref.parentElement);
+        resizeObserver.observe(ref);
+        return () => {
+          if (resizeObserver) {
+            resizeObserver.disconnect();
+          }
+        };
+      }
+    }
+  }
+});