chore: import upstream snapshot with attribution

2026-07-13 13:32:57 +08:00
commit cd420f9332
4811 changed files with 884702 additions and 0 deletions
@@ -0,0 +1,161 @@
+import { useRef, useState, useLayoutEffect, useCallback } from "react";
+import { cn } from "~/utils/cn";
+import { SimpleTooltip } from "./Tooltip";
+
+type MiddleTruncateProps = {
+  text: string;
+  className?: string;
+};
+
+/**
+ * A component that truncates text in the middle, showing the beginning and end.
+ * Shows the full text in a tooltip on hover when truncated.
+ *
+ * Example: "namespace:category:subcategory:task-name" becomes "namespace:cat…task-name"
+ */
+export function MiddleTruncate({ text, className }: MiddleTruncateProps) {
+  const containerRef = useRef<HTMLSpanElement>(null);
+  const measureRef = useRef<HTMLSpanElement>(null);
+  const [displayText, setDisplayText] = useState(text);
+  const [isTruncated, setIsTruncated] = useState(false);
+
+  const calculateTruncation = useCallback(() => {
+    const container = containerRef.current;
+    const measure = measureRef.current;
+    if (!container || !measure) return;
+
+    const parent = container.parentElement;
+    if (!parent) return;
+
+    // Get the available width from the parent container
+    const parentStyle = getComputedStyle(parent);
+    const availableWidth =
+      parent.clientWidth -
+      parseFloat(parentStyle.paddingLeft) -
+      parseFloat(parentStyle.paddingRight);
+
+    // Measure full text width
+    measure.textContent = text;
+    const fullTextWidth = measure.offsetWidth;
+
+    // If text fits, no truncation needed
+    if (fullTextWidth <= availableWidth) {
+      setDisplayText(text);
+      setIsTruncated(false);
+      return;
+    }
+
+    // Text needs truncation - find optimal split
+    const ellipsis = "…";
+    measure.textContent = ellipsis;
+    const ellipsisWidth = measure.offsetWidth;
+
+    const targetWidth = availableWidth - ellipsisWidth - 4; // small buffer
+
+    if (targetWidth <= 0) {
+      setDisplayText(ellipsis);
+      setIsTruncated(true);
+      return;
+    }
+
+    // Incrementally find the optimal character counts
+    let startChars = 0;
+    let endChars = 0;
+
+    // Alternate adding characters from start and end
+    while (startChars + endChars < text.length) {
+      // Try adding to start
+      const testStart = text.slice(0, startChars + 1);
+      const testEnd = endChars > 0 ? text.slice(-endChars) : "";
+      measure.textContent = testStart + ellipsis + testEnd;
+
+      if (measure.offsetWidth > targetWidth) break;
+      startChars++;
+
+      if (startChars + endChars >= text.length) break;
+
+      // Try adding to end
+      const newTestEnd = text.slice(-(endChars + 1));
+      measure.textContent = text.slice(0, startChars) + ellipsis + newTestEnd;
+
+      if (measure.offsetWidth > targetWidth) break;
+      endChars++;
+    }
+
+    // Ensure minimum characters on each side for readability
+    const minChars = 4;
+    const prevStartChars = startChars;
+    const prevEndChars = endChars;
+
+    if (startChars < minChars && text.length > minChars * 2 + 1) {
+      startChars = minChars;
+    }
+    if (endChars < minChars && text.length > minChars * 2 + 1) {
+      endChars = minChars;
+    }
+
+    // Re-measure after enforcing minChars to prevent overflow
+    if (startChars !== prevStartChars || endChars !== prevEndChars) {
+      measure.textContent = text.slice(0, startChars) + ellipsis + text.slice(-endChars);
+      if (measure.offsetWidth > targetWidth) {
+        // Revert to previous values if minChars enforcement causes overflow
+        startChars = prevStartChars;
+        endChars = prevEndChars;
+      }
+    }
+
+    // If combined chars would exceed text length, show full text
+    if (startChars + endChars >= text.length) {
+      setDisplayText(text);
+      setIsTruncated(false);
+      return;
+    }
+
+    const result = text.slice(0, startChars) + ellipsis + text.slice(-endChars);
+    setDisplayText(result);
+    setIsTruncated(true);
+  }, [text]);
+
+  useLayoutEffect(() => {
+    calculateTruncation();
+
+    // Recalculate on resize (guard for jsdom/older browsers)
+    if (typeof ResizeObserver === "undefined") {
+      return;
+    }
+
+    const resizeObserver = new ResizeObserver(() => {
+      calculateTruncation();
+    });
+
+    const container = containerRef.current;
+    if (container?.parentElement) {
+      resizeObserver.observe(container.parentElement);
+    }
+
+    return () => {
+      resizeObserver.disconnect();
+    };
+  }, [calculateTruncation]);
+
+  const content = (
+    <span ref={containerRef} className={cn("block", isTruncated && "min-w-[360px]", className)}>
+      {/* Hidden span for measuring text width */}
+      <span ref={measureRef} className="invisible absolute whitespace-nowrap" aria-hidden="true" />
+      {displayText}
+    </span>
+  );
+
+  if (isTruncated) {
+    return (
+      <SimpleTooltip
+        button={content}
+        content={<span className="max-w-xs break-all font-mono text-xs">{text}</span>}
+        side="top"
+        asChild
+      />
+    );
+  }
+
+  return content;
+}