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How to use addDerivedInfoForFile method in istanbul

Best JavaScript code snippet using istanbul

object-utils.js

Source:object-utils.js

...46     * @method addDerivedInfoForFile47     * @static48     * @param {Object} fileCoverage the coverage object for a single file49     */50    function addDerivedInfoForFile(fileCoverage) {51        var statementMap = fileCoverage.statementMap,52            statements = fileCoverage.s,53            lineMap;54        if (!fileCoverage.l) {55            fileCoverage.l = lineMap = {};56            Object.keys(statements).forEach(function (st) {57                var line = statementMap[st].start.line,58                    count = statements[st],59                    prevVal = lineMap[line];60                if (count === 0 && statementMap[st].skip) { count = 1; }61                if (typeof prevVal === 'undefined' || prevVal < count) {62                    lineMap[line] = count;63                }64            });65        }66    }67    /**68     * adds line coverage information to all file coverage objects.69     *70     * @method addDerivedInfo71     * @static72     * @param {Object} coverage the coverage object73     */74    function addDerivedInfo(coverage) {75        Object.keys(coverage).forEach(function (k) {76            addDerivedInfoForFile(coverage[k]);77        });78    }79    /**80     * removes line coverage information from all file coverage objects81     * @method removeDerivedInfo82     * @static83     * @param {Object} coverage the coverage object84     */85    function removeDerivedInfo(coverage) {86        Object.keys(coverage).forEach(function (k) {87            delete coverage[k].l;88        });89    }90    function percent(covered, total) {91        var tmp;92        if (total > 0) {93            tmp = 1000 * 100 * covered / total + 5;94            return Math.floor(tmp / 10) / 100;95        } else {96            return 100.00;97        }98    }99    function computeSimpleTotals(fileCoverage, property, mapProperty) {100        var stats = fileCoverage[property],101            map = mapProperty ? fileCoverage[mapProperty] : null,102            ret = { total: 0, covered: 0, skipped: 0 };103        Object.keys(stats).forEach(function (key) {104            var covered = !!stats[key],105                skipped = map && map[key].skip;106            ret.total += 1;107            if (covered || skipped) {108                ret.covered += 1;109            }110            if (!covered && skipped) {111                ret.skipped += 1;112            }113        });114        ret.pct = percent(ret.covered, ret.total);115        return ret;116    }117    function computeBranchTotals(fileCoverage) {118        var stats = fileCoverage.b,119            branchMap = fileCoverage.branchMap,120            ret = { total: 0, covered: 0, skipped: 0 };121        Object.keys(stats).forEach(function (key) {122            var branches = stats[key],123                map = branchMap[key],124                covered,125                skipped,126                i;127            for (i = 0; i < branches.length; i += 1) {128                covered = branches[i] > 0;129                skipped = map.locations && map.locations[i] && map.locations[i].skip;130                if (covered || skipped) {131                    ret.covered += 1;132                }133                if (!covered && skipped) {134                    ret.skipped += 1;135                }136            }137            ret.total += branches.length;138        });139        ret.pct = percent(ret.covered, ret.total);140        return ret;141    }142    /**143     * returns a blank summary metrics object. A metrics object has the following144     * format.145     *146     *      {147     *          lines: lineMetrics,148     *          statements: statementMetrics,149     *          functions: functionMetrics,150     *          branches: branchMetrics151     *          linesCovered: lineCoveredCount152     *      }153     *154     *  Each individual metric object looks as follows:155     *156     *      {157     *          total: n,158     *          covered: m,159     *          pct: percent160     *      }161     *162     * @method blankSummary163     * @static164     * @return {Object} a blank metrics object165     */166    function blankSummary() {167        return {168            lines: {169                total: 0,170                covered: 0,171                skipped: 0,172                pct: 'Unknown'173            },174            statements: {175                total: 0,176                covered: 0,177                skipped: 0,178                pct: 'Unknown'179            },180            functions: {181                total: 0,182                covered: 0,183                skipped: 0,184                pct: 'Unknown'185            },186            branches: {187                total: 0,188                covered: 0,189                skipped: 0,190                pct: 'Unknown'191            },192            linesCovered: {}193        };194    }195    /**196     * returns the summary metrics given the coverage object for a single file. See `blankSummary()`197     * to understand the format of the returned object.198     *199     * @method summarizeFileCoverage200     * @static201     * @param {Object} fileCoverage the coverage object for a single file.202     * @return {Object} the summary metrics for the file203     */204    function summarizeFileCoverage(fileCoverage) {205        var ret = blankSummary();206        addDerivedInfoForFile(fileCoverage);207        ret.lines = computeSimpleTotals(fileCoverage, 'l');208        ret.functions = computeSimpleTotals(fileCoverage, 'f', 'fnMap');209        ret.statements = computeSimpleTotals(fileCoverage, 's', 'statementMap');210        ret.branches = computeBranchTotals(fileCoverage);211        ret.linesCovered = fileCoverage.l;212        return ret;213    }214    /**215     * merges two instances of file coverage objects *for the same file*216     * such that the execution counts are correct.217     *218     * @method mergeFileCoverage219     * @static220     * @param {Object} first the first file coverage object for a given file...

istanbul-utils.js

Source:istanbul-utils.js

...45   * @method addDerivedInfoForFile46   * @static47   * @param {Object} fileCoverage the coverage object for a single file48   */49  function addDerivedInfoForFile(fileCoverage) {50    var statementMap = fileCoverage.statementMap,51      statements = fileCoverage.s,52      lineMap;53    if (!fileCoverage.l) {54      fileCoverage.l = lineMap = {};55      Object.keys(statements).forEach(function (st) {56        var line = statementMap[st].start.line,57          count = statements[st],58          prevVal = lineMap[line];59        if (typeof prevVal === 'undefined' || prevVal < count) {60          lineMap[line] = count;61        }62      });63    }64  }65  /**66   * adds line coverage information to all file coverage objects.67   *68   * @method addDerivedInfo69   * @static70   * @param {Object} coverage the coverage object71   */72  function addDerivedInfo(coverage) {73    Object.keys(coverage).forEach(function (k) {74      addDerivedInfoForFile(coverage[k]);75    });76  }77  /**78   * removes line coverage information from all file coverage objects79   * @method removeDerivedInfo80   * @static81   * @param {Object} coverage the coverage object82   */83  function removeDerivedInfo(coverage) {84    Object.keys(coverage).forEach(function (k) {85      delete coverage[k].l;86    });87  }88  function percent(covered, total) {89    var tmp;90    if (total > 0) {91      tmp = 1000 * 100 * covered / total + 5;92      return Math.floor(tmp / 10) / 100;93    } else {94      return 100.00;95    }96  }97  function computeSimpleTotals(fileCoverage, property) {98    var stats = fileCoverage[property],99      ret = { total: 0, covered: 0 };100    Object.keys(stats).forEach(function (key) {101      ret.total += 1;102      if (stats[key]) {103        ret.covered += 1;104      }105    });106    ret.pct = percent(ret.covered, ret.total);107    return ret;108  }109  function computeBranchTotals(fileCoverage) {110    var stats = fileCoverage.b,111      ret = { total: 0, covered: 0 };112    Object.keys(stats).forEach(function (key) {113      var branches = stats[key],114        covered = branches.filter(function (num) { return num > 0; });115      ret.total += branches.length;116      ret.covered += covered.length;117    });118    ret.pct = percent(ret.covered, ret.total);119    return ret;120  }121  /**122   * returns a blank summary metrics object. A metrics object has the following123   * format.124   *125   *      {126     *          lines: lineMetrics,127     *          statements: statementMetrics,128     *          functions: functionMetrics,129     *          branches: branchMetrics130     *      }131   *132   *  Each individual metric object looks as follows:133   *134   *      {135     *          total: n,136     *          covered: m,137     *          pct: percent138     *      }139   *140   * @method blankSummary141   * @static142   * @return {Object} a blank metrics object143   */144  function blankSummary() {145    return {146      lines: {147        total: 0,148        covered: 0,149        pct: 'Unknown'150      },151      statements: {152        total: 0,153        covered: 0,154        pct: 'Unknown'155      },156      functions: {157        total: 0,158        covered: 0,159        pct: 'Unknown'160      },161      branches: {162        total: 0,163        covered: 0,164        pct: 'Unknown'165      }166    };167  }168  /**169   * returns the summary metrics given the coverage object for a single file. See `blankSummary()`170   * to understand the format of the returned object.171   *172   * @method summarizeFileCoverage173   * @static174   * @param {Object} fileCoverage the coverage object for a single file.175   * @return {Object} the summary metrics for the file176   */177  function summarizeFileCoverage(fileCoverage) {178    var ret = blankSummary();179    addDerivedInfoForFile(fileCoverage);180    ret.lines = computeSimpleTotals(fileCoverage, 'l');181    ret.functions = computeSimpleTotals(fileCoverage, 'f');182    ret.statements = computeSimpleTotals(fileCoverage, 's');183    ret.branches = computeBranchTotals(fileCoverage);184    return ret;185  }186  /**187   * merges two instances of file coverage objects *for the same file*188   * such that the execution counts are correct.189   *190   * @method mergeFileCoverage191   * @static192   * @param {Object} first the first file coverage object for a given file193   * @param {Object} second the second file coverage object for the same file...

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4var store = istanbul.Store.create('fslookup', { sync: sync });5var transformer = istanbul.Transformer.create('istanbul-api', {});6var instrumenter = new istanbul.Instrumenter({ transformer: transformer });7var map = istanbul.utils.createCoverageMap({});8var coverage = {9    s: { '1': 1 },10    b: {},11    f: { '1': 1 },12    fnMap: { '1': { name: '(anonymous_1)', line: 1, loc: [Object] } },13    statementMap: { '1': { start: [Object], end: [Object] } },14    branchMap: {}15};16var file = coverage.path;17var source = 'var a = 10;';18var sourceMap = null;19var inputSourceMap = null;20var filename = file;21var relFile = filename;22var inputSourceMap = null;23var sourceStore = store;24var sync = true;25var instrumenter = instrumenter;26var coverageVariable = '__coverage__';27var callback = null;28var derivedInfo = istanbul.utils.addDerivedInfoForFile(29);30console.log(derivedInfo);31            throw new Error('Cannot lookup source: ' + filename + ' does not exist!');32    at Object.Store.lookupSourceMap (C:\Users\v-ssudhak\Desktop\Test\node_modules\istanbul\lib\store\fslookup.js:94:19)

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4var root = process.cwd();5var map = istanbul.utils.defaultMapForSync();6var opts = { root: root, map: map };7var file = 'test.js';8collector.addDerivedInfoForFile(file, opts, sync);9reporter.add('text');10reporter.write(collector, true, function () { console.log('done'); });

Using AI Code Generation

1var instrumenter = require('istanbul-lib-instrument').createInstrumenter();2var fs = require('fs');3var code = fs.readFileSync('test.js', 'utf8');4var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');5instrumenter.addDerivedInfoForFile('test.js', {6    coverage: {7    }8});9## createInstrumenter([options]) ⇒ <code>Instrumenter</code>10| [options.codeGenerationOptions] | <code>Object</code> | options passed to the underlying code generator. Defaults to `{}` |11| [options.codeGenerationOptions.format] | <code>Object</code> | output format for the generated code. Defaults to `{}` |

Using AI Code Generation

1var istanbulLibInstrument = require('istanbul-lib-instrument');2var instrumenter = istanbulLibInstrument.createInstrumenter();3var code = 'var x = 10;';4var result = instrumenter.addDerivedInfoForFile(code, 'test.js');5console.log(result);6#### createInstrumenter([options])7#### instrumentSync(code, filename, [options])

Using AI Code Generation

1const istanbul = require('istanbul-lib-coverage');2const path = require('path');3const fs = require('fs');4const coverageMap = istanbul.createCoverageMap();5const fileCoverage = coverageMap.addFileCoverage({6    path: path.resolve('./test.js'),7    statementMap: {8        '0': {9            start: { line: 1, column: 0 },10            end: { line: 1, column: 4 }11        },12        '1': {13            start: { line: 2, column: 0 },14            end: { line: 2, column: 4 }15        },16        '2': {17            start: { line: 3, column: 0 },18            end: { line: 3, column: 4 }19        }20    },21    fnMap: {},22    branchMap: {},23    s: { '0': 1, '1': 1, '2': 0 },24    f: {},25    b: {}26});27fileCoverage.addDerivedInfoForFile(fs.readFileSync(path.resolve('./test.js'), 'utf-8'));28console.log(fileCoverage.toSummary().data);29{30  lines: {31  },32  statements: {33  },34  functions: {35  },36  branches: {37  }38}39### `CoverageMap.merge(otherMap)`40### `CoverageMap.toJSON()`41### `CoverageMap.fromJSON(json)`42### `CoverageMap.fromObject(obj)`

Using AI Code Generation

1var istanbulLibInstrument = require('istanbul-lib-instrument');2var code = 'var x = 1;';3var instrumenter = new istanbulLibInstrument.Instrumenter({ esModules: true });4var derivedInfo = instrumenter.addDerivedInfoForFile(code, 'test.js');5console.log(derivedInfo);6{ sourceMap: '{"version":3,"sources":["/Users/.../test.js"],"names":["x"],"mappings":"AAAA,IAAI,CAAC,GAAG,CAAC,CAAC","file":"test.js","sourcesContent":["var x = 1;"]}',7  instrumentedSource: '"use strict";\n\nvar x = 1;\n\nvar __cov_5oG3K0v0fE5e8Bh1jKgj7Q = function () {\n  var path = "/Users/.../test.js", hash = "5oG3K0v0fE5e8Bh1jKgj7Q", global = new Function("return this")(), gcv = "__coverage__", coverageData = { path: "/Users/.../test.js", statementMap: { "0": { start: { line: 1, column: 0 }, end: { line: 1, column: 10 } } }, fnMap: {}, branchMap: {}, s: { "0": 0 }, f: {}, b: {} }, coverage = global[gcv] || (global[gcv] = {});\n  if (coverage[path] && coverage[path].hash === hash) {\n    return coverage[path];\n  }\n  coverage[path] = coverageData;\n  return coverage[path];\n}();\n\n__cov_5oG3K0v0fE5e8Bh1jKgj7Q.s[0]++;\n',8  inputSource: 'var x = 1;',9  inputSourceMapUrl: undefined }10### `new Instrumenter([options])`

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