1 files changed, 127 insertions, 0 deletions
diff --git a/node_modules/istanbul-lib-instrument/dist/source-coverage.js b/node_modules/istanbul-lib-instrument/dist/source-coverage.js
new file mode 100644
index 000000000..eac98f551
--- /dev/null
+++ b/node_modules/istanbul-lib-instrument/dist/source-coverage.js
@@ -0,0 +1,127 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.SourceCoverage = undefined;
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _istanbulLibCoverage = require('istanbul-lib-coverage');
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+function cloneLocation(loc) {
+    return {
+        start: {
+            line: loc && loc.start.line,
+            column: loc && loc.start.column
+        },
+        end: {
+            line: loc && loc.end.line,
+            column: loc && loc.end.column
+        }
+    };
+}
+/**
+ * SourceCoverage provides mutation methods to manipulate the structure of
+ * a file coverage object. Used by the instrumenter to create a full coverage
+ * object for a file incrementally.
+ *
+ * @private
+ * @param pathOrObj {String|Object} - see the argument for {@link FileCoverage}
+ * @extends FileCoverage
+ * @constructor
+ */
+
+var SourceCoverage = function (_classes$FileCoverage) {
+    _inherits(SourceCoverage, _classes$FileCoverage);
+
+    function SourceCoverage(pathOrObj) {
+        _classCallCheck(this, SourceCoverage);
+
+        var _this = _possibleConstructorReturn(this, (SourceCoverage.__proto__ || Object.getPrototypeOf(SourceCoverage)).call(this, pathOrObj));
+
+        _this.meta = {
+            last: {
+                s: 0,
+                f: 0,
+                b: 0
+            }
+        };
+        return _this;
+    }
+
+    _createClass(SourceCoverage, [{
+        key: 'newStatement',
+        value: function newStatement(loc) {
+            var s = this.meta.last.s;
+            this.data.statementMap[s] = cloneLocation(loc);
+            this.data.s[s] = 0;
+            this.meta.last.s += 1;
+            return s;
+        }
+    }, {
+        key: 'newFunction',
+        value: function newFunction(name, decl, loc) {
+            var f = this.meta.last.f;
+            name = name || '(anonymous_' + f + ')';
+            this.data.fnMap[f] = {
+                name: name,
+                decl: cloneLocation(decl),
+                loc: cloneLocation(loc)
+            };
+            this.data.f[f] = 0;
+            this.meta.last.f += 1;
+            return f;
+        }
+    }, {
+        key: 'newBranch',
+        value: function newBranch(type, loc) {
+            var b = this.meta.last.b;
+            this.data.b[b] = [];
+            this.data.branchMap[b] = {
+                loc: cloneLocation(loc),
+                type: type,
+                locations: []
+            };
+            this.meta.last.b += 1;
+            return b;
+        }
+    }, {
+        key: 'addBranchPath',
+        value: function addBranchPath(name, location) {
+            var bMeta = this.data.branchMap[name],
+                counts = this.data.b[name];
+
+            /* istanbul ignore if: paranoid check */
+            if (!bMeta) {
+                throw new Error("Invalid branch " + name);
+            }
+            bMeta.locations.push(cloneLocation(location));
+            counts.push(0);
+            return counts.length - 1;
+        }
+    }, {
+        key: 'freeze',
+        value: function freeze() {
+            // prune empty branches
+            var map = this.data.branchMap,
+                branches = this.data.b;
+            Object.keys(map).forEach(function (b) {
+                if (map[b].locations.length === 0) {
+                    delete map[b];
+                    delete branches[b];
+                }
+            });
+        }
+    }]);
+
+    return SourceCoverage;
+}(_istanbulLibCoverage.classes.FileCoverage);
+
+exports.SourceCoverage = SourceCoverage;
+\ No newline at end of file