karma-typescript/dist/karma/reporter.js.map

Simplifying running unit tests with coverage for Typescript projects.

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* as istanbulCoverage from \"istanbul-lib-coverage\";\nimport * as istanbulReport from \"istanbul-lib-report\";\nimport * as istanbulSourceMaps from \"istanbul-lib-source-maps\";\nimport * as istanbulReports from \"istanbul-reports\";\n\nimport * as lodash from \"lodash\";\nimport * as path from \"path\";\n\nimport { Logger } from \"log4js\";\n\nimport { Threshold } from \"../istanbul/threshold\";\nimport { Configuration } from \"../shared/configuration\";\n\ntype BrowserCollection = {\n    forEach: any[]['forEach'];\n}\n\nconst reporterName = \"karma-typescript\";\n\nexport class Reporter {\n\n    public create: (baseReporterDecorator: any, logger: any) => void;\n\n    private log: Logger;\n    private coverageMap: WeakMap<any, any>;\n\n    constructor(config: Configuration, threshold: Threshold) {\n\n        // eslint-disable-next-line @typescript-eslint/no-this-alias\n        const that = this;\n\n        // tslint:disable-next-line:only-arrow-functions\n        this.create = function(baseReporterDecorator: any, logger: any) {\n\n            baseReporterDecorator(this);\n\n            that.log = logger.create(`reporter.${reporterName}`);\n\n            this.onRunStart = () => {\n                that.coverageMap = new WeakMap<any, any>();\n            };\n\n            this.onBrowserStart = () => { /**/ };\n            this.specFailure = () => { /**/ };\n\n            this.onBrowserComplete = (browser: any, result: any) => {\n                if (result && result.coverage) {\n                    that.coverageMap.set(browser, result.coverage);\n                }\n            };\n\n            this.onRunComplete = async (collection: BrowserCollection, results: any) => {\n                const browsers: any[] = [];\n                collection.forEach((browser) => browsers.push(browser));\n\n                const coverageChecks = browsers.map(async (browser) => {\n                    const coverage = that.coverageMap.get(browser);\n                    const coverageMap = istanbulCoverage.createCoverageMap();\n                    coverageMap.merge(coverage);\n\n                    const sourceMapStore = istanbulSourceMaps.createSourceMapStore();\n                    const remappedCoverageMap = await sourceMapStore.transformCoverage(coverageMap);\n\n                    Object.keys(config.reports).forEach((reportType: any) => {\n\n                        const reportConfig = config.reports[reportType] as any;\n                        const directory = that.getReportDestination(browser, reportConfig, reportType);\n\n                        if (directory) {\n                            that.log.debug(\"Writing coverage to %s\", directory);\n                        }\n\n                        const istanbulReportOptions = {\n                            coverageMap: remappedCoverageMap,\n                            dir: directory,\n                            sourceFinder: sourceMapStore.sourceFinder,\n                            watermarks: config.coverageOptions.watermarks\n                        };\n                        const context = istanbulReport.createContext(istanbulReportOptions);\n\n                        istanbulReports\n                            .create(reportType, { file: reportConfig ? reportConfig.filename : undefined })\n                            // eslint-disable-next-line @typescript-eslint/ban-ts-comment\n                            // @ts-ignore\n                            .execute(context);\n\n                        });\n\n                    return results\n                        && config.hasCoverageThreshold\n                        && !threshold.check(browser, remappedCoverageMap);\n                });\n\n                const isCoverageCheckFailed = (await Promise.all(coverageChecks))\n                    .some(isCheckFailed => isCheckFailed);\n\n                if (isCoverageCheckFailed && config.karma.singleRun) {\n                    process.exit(1);\n                }\n            };\n        };\n\n        Object.assign(this.create, { $inject: [\"baseReporterDecorator\", \"logger\", \"config\"] });\n    }\n\n    private getReportDestination(browser: any, reportConfig: any, reportType: any) {\n\n        if (lodash.isPlainObject(reportConfig)) {\n            let subdirectory = reportConfig.subdirectory ?? browser.name;\n            if (typeof subdirectory === \"function\") {\n                subdirectory = subdirectory(browser);\n            }\n\n            return path.join(reportConfig.directory ?? \"coverage\", subdirectory);\n        }\n\n        if (lodash.isString(reportConfig) && reportConfig.length > 0) {\n            return path.join(reportConfig, browser.name, reportType);\n        }\n\n        return null;\n    }\n}\n"]}