1 files changed, 70 insertions, 0 deletions
diff --git a/node_modules/@bcoe/v8-coverage/src/lib/clone.ts b/node_modules/@bcoe/v8-coverage/src/lib/clone.ts
new file mode 100644
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--- /dev/null
+++ b/node_modules/@bcoe/v8-coverage/src/lib/clone.ts
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+import { FunctionCov, ProcessCov, RangeCov, ScriptCov } from "./types";
+
+/**
+ * Creates a deep copy of a process coverage.
+ *
+ * @param processCov Process coverage to clone.
+ * @return Cloned process coverage.
+ */
+export function cloneProcessCov(processCov: Readonly<ProcessCov>): ProcessCov {
+  const result: ScriptCov[] = [];
+  for (const scriptCov of processCov.result) {
+    result.push(cloneScriptCov(scriptCov));
+  }
+
+  return {
+    result,
+  };
+}
+
+/**
+ * Creates a deep copy of a script coverage.
+ *
+ * @param scriptCov Script coverage to clone.
+ * @return Cloned script coverage.
+ */
+export function cloneScriptCov(scriptCov: Readonly<ScriptCov>): ScriptCov {
+  const functions: FunctionCov[] = [];
+  for (const functionCov of scriptCov.functions) {
+    functions.push(cloneFunctionCov(functionCov));
+  }
+
+  return {
+    scriptId: scriptCov.scriptId,
+    url: scriptCov.url,
+    functions,
+  };
+}
+
+/**
+ * Creates a deep copy of a function coverage.
+ *
+ * @param functionCov Function coverage to clone.
+ * @return Cloned function coverage.
+ */
+export function cloneFunctionCov(functionCov: Readonly<FunctionCov>): FunctionCov {
+  const ranges: RangeCov[] = [];
+  for (const rangeCov of functionCov.ranges) {
+    ranges.push(cloneRangeCov(rangeCov));
+  }
+
+  return {
+    functionName: functionCov.functionName,
+    ranges,
+    isBlockCoverage: functionCov.isBlockCoverage,
+  };
+}
+
+/**
+ * Creates a deep copy of a function coverage.
+ *
+ * @param rangeCov Range coverage to clone.
+ * @return Cloned range coverage.
+ */
+export function cloneRangeCov(rangeCov: Readonly<RangeCov>): RangeCov {
+  return {
+    startOffset: rangeCov.startOffset,
+    endOffset: rangeCov.endOffset,
+    count: rangeCov.count,
+  };
+}