.

qwen/nodejs/node_modules/jest-haste-map/build/watchers/RecrawlWarning.js

@@ -0,0 +1,49 @@
+// vendored from https://github.com/amasad/sane/blob/64ff3a870c42e84f744086884bf55a4f9c22d376/src/utils/recrawl-warning-dedupe.js
+
+'use strict';
+
+class RecrawlWarning {
+  constructor(root, count) {
+    this.root = root;
+    this.count = count;
+  }
+  static findByRoot(root) {
+    for (let i = 0; i < this.RECRAWL_WARNINGS.length; i++) {
+      const warning = this.RECRAWL_WARNINGS[i];
+      if (warning.root === root) {
+        return warning;
+      }
+    }
+    return undefined;
+  }
+  static isRecrawlWarningDupe(warningMessage) {
+    if (typeof warningMessage !== 'string') {
+      return false;
+    }
+    const match = warningMessage.match(this.REGEXP);
+    if (!match) {
+      return false;
+    }
+    const count = Number(match[1]);
+    const root = match[2];
+    const warning = this.findByRoot(root);
+    if (warning) {
+      // only keep the highest count, assume count to either stay the same or
+      // increase.
+      if (warning.count >= count) {
+        return true;
+      } else {
+        // update the existing warning to the latest (highest) count
+        warning.count = count;
+        return false;
+      }
+    } else {
+      this.RECRAWL_WARNINGS.push(new RecrawlWarning(root, count));
+      return false;
+    }
+  }
+}
+RecrawlWarning.RECRAWL_WARNINGS = [];
+RecrawlWarning.REGEXP =
+  /Recrawled this watch (\d+) times, most recently because:\n([^:]+)/;
+module.exports = RecrawlWarning;