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node_modules/nyc/lib/instrumenters/noop.js

@@ -0,0 +1,22 @@
+'use strict'
+
+function NOOP () {
+  const { readInitialCoverage } = require('istanbul-lib-instrument')
+
+  return {
+    instrumentSync (code, filename) {
+      const extracted = readInitialCoverage(code)
+      if (extracted) {
+        this.fileCoverage = extracted.coverageData
+      } else {
+        this.fileCoverage = null
+      }
+      return code
+    },
+    lastFileCoverage () {
+      return this.fileCoverage
+    }
+  }
+}
+
+module.exports = NOOP