1 files changed, 11 insertions, 4 deletions
diff --git a/node_modules/istanbul-lib-instrument/dist/instrumenter.js b/node_modules/istanbul-lib-instrument/dist/instrumenter.js
index 1307bfd8a..5c4e197c9 100644
--- a/node_modules/istanbul-lib-instrument/dist/instrumenter.js
+++ b/node_modules/istanbul-lib-instrument/dist/instrumenter.js
@@ -104,12 +104,15 @@ var Instrumenter = function () {
          *
          * @param {string} code - the code to instrument
          * @param {string} filename - the filename against which to track coverage.
+         * @param {object} [inputSourceMap] - the source map that maps the not instrumented code back to it's original form.
+         * Is assigned to the coverage object and therefore, is available in the json output and can be used to remap the
+         * coverage to the untranspiled source.
          * @returns {string} the instrumented code.
          */
 
     }, {
         key: 'instrumentSync',
-        value: function instrumentSync(code, filename) {
+        value: function instrumentSync(code, filename, inputSourceMap) {
             if (typeof code !== 'string') {
                 throw new Error('Code must be a string');
             }
@@ -120,7 +123,8 @@ var Instrumenter = function () {
                 sourceType: opts.esModules ? "module" : "script"
             });
             var ee = (0, _visitor2.default)(t, filename, {
-                coverageVariable: opts.coverageVariable
+                coverageVariable: opts.coverageVariable,
+                inputSourceMap: inputSourceMap
             });
             var output = {};
             var visitor = {
@@ -155,17 +159,20 @@ var Instrumenter = function () {
          * @param {string} code - the code to instrument
          * @param {string} filename - the filename against which to track coverage.
          * @param {Function} callback - the callback
+         * @param {Object} inputSourceMap - the source map that maps the not instrumented code back to it's original form.
+         * Is assigned to the coverage object and therefore, is available in the json output and can be used to remap the
+         * coverage to the untranspiled source.
          */
 
     }, {
         key: 'instrument',
-        value: function instrument(code, filename, callback) {
+        value: function instrument(code, filename, callback, inputSourceMap) {
             if (!callback && typeof filename === 'function') {
                 callback = filename;
                 filename = null;
             }
             try {
-                var out = this.instrumentSync(code, filename);
+                var out = this.instrumentSync(code, filename, inputSourceMap);
                 callback(null, out);
             } catch (ex) {
                 callback(ex);