1 | const { classes } = require('istanbul-lib-coverage');
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2 |
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3 | function cloneLocation(loc) {
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4 | return {
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5 | start: {
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6 | line: loc && loc.start.line,
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7 | column: loc && loc.start.column
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8 | },
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9 | end: {
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10 | line: loc && loc.end.line,
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11 | column: loc && loc.end.column
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12 | }
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13 | };
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14 | }
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15 |
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16 |
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17 |
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18 |
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19 |
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20 |
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21 |
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22 |
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23 |
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24 |
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25 | class SourceCoverage extends classes.FileCoverage {
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26 | constructor(pathOrObj) {
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27 | super(pathOrObj);
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28 | this.meta = {
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29 | last: {
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30 | s: 0,
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31 | f: 0,
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32 | b: 0
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33 | }
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34 | };
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35 | }
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36 |
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37 | newStatement(loc) {
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38 | const s = this.meta.last.s;
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39 | this.data.statementMap[s] = cloneLocation(loc);
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40 | this.data.s[s] = 0;
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41 | this.meta.last.s += 1;
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42 | return s;
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43 | }
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44 |
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45 | newFunction(name, decl, loc) {
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46 | const f = this.meta.last.f;
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47 | name = name || '(anonymous_' + f + ')';
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48 | this.data.fnMap[f] = {
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49 | name,
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50 | decl: cloneLocation(decl),
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51 | loc: cloneLocation(loc),
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52 |
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53 | line: loc && loc.start.line
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54 | };
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55 | this.data.f[f] = 0;
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56 | this.meta.last.f += 1;
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57 | return f;
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58 | }
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59 |
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60 | newBranch(type, loc, isReportLogic = false) {
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61 | const b = this.meta.last.b;
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62 | this.data.b[b] = [];
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63 | this.data.branchMap[b] = {
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64 | loc: cloneLocation(loc),
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65 | type,
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66 | locations: [],
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67 |
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68 | line: loc && loc.start.line
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69 | };
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70 | this.meta.last.b += 1;
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71 | this.maybeNewBranchTrue(type, b, isReportLogic);
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72 | return b;
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73 | }
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74 |
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75 | maybeNewBranchTrue(type, name, isReportLogic) {
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76 | if (!isReportLogic) {
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77 | return;
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78 | }
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79 | if (type !== 'binary-expr') {
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80 | return;
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81 | }
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82 | this.data.bT = this.data.bT || {};
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83 | this.data.bT[name] = [];
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84 | }
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85 |
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86 | addBranchPath(name, location) {
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87 | const bMeta = this.data.branchMap[name];
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88 | const counts = this.data.b[name];
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89 |
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90 |
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91 | if (!bMeta) {
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92 | throw new Error('Invalid branch ' + name);
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93 | }
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94 | bMeta.locations.push(cloneLocation(location));
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95 | counts.push(0);
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96 | this.maybeAddBranchTrue(name);
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97 | return counts.length - 1;
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98 | }
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99 |
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100 | maybeAddBranchTrue(name) {
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101 | if (!this.data.bT) {
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102 | return;
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103 | }
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104 | const countsTrue = this.data.bT[name];
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105 | if (!countsTrue) {
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106 | return;
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107 | }
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108 | countsTrue.push(0);
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109 | }
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110 |
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111 | |
112 |
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113 |
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114 |
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115 |
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116 | inputSourceMap(sourceMap) {
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117 | this.data.inputSourceMap = sourceMap;
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118 | }
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119 |
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120 | freeze() {
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121 |
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122 | const map = this.data.branchMap;
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123 | const branches = this.data.b;
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124 | const branchesT = this.data.bT || {};
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125 | Object.keys(map).forEach(b => {
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126 | if (map[b].locations.length === 0) {
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127 | delete map[b];
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128 | delete branches[b];
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129 | delete branchesT[b];
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130 | }
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131 | });
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132 | }
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133 | }
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134 |
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135 | module.exports = { SourceCoverage };
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