source-coverage.js
5.13 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
'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;
}
/**
* Assigns an input source map to the coverage that can be used
* to remap the coverage output to the original source
* @param sourceMap {object} the source map
*/
}, {
key: 'inputSourceMap',
value: function inputSourceMap(sourceMap) {
this.data.inputSourceMap = sourceMap;
}
}, {
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;