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- 'use strict';
- const defaultExclude = require('./default-exclude.js');
- const defaultExtension = require('./default-extension.js');
- const nycCommands = {
- all: [null, 'check-coverage', 'instrument', 'merge', 'report'],
- testExclude: [null, 'instrument', 'report', 'check-coverage'],
- instrument: [null, 'instrument'],
- checkCoverage: [null, 'report', 'check-coverage'],
- report: [null, 'report'],
- main: [null],
- instrumentOnly: ['instrument']
- };
- const cwd = {
- description: 'working directory used when resolving paths',
- type: 'string',
- get default() {
- return process.cwd();
- },
- nycCommands: nycCommands.all
- };
- const nycrcPath = {
- description: 'specify an explicit path to find nyc configuration',
- nycCommands: nycCommands.all
- };
- const tempDir = {
- description: 'directory to output raw coverage information to',
- type: 'string',
- default: './.nyc_output',
- nycAlias: 't',
- nycHiddenAlias: 'temp-directory',
- nycCommands: [null, 'check-coverage', 'merge', 'report']
- };
- const testExclude = {
- exclude: {
- description: 'a list of specific files and directories that should be excluded from coverage, glob patterns are supported',
- type: 'array',
- items: {
- type: 'string'
- },
- default: defaultExclude,
- nycCommands: nycCommands.testExclude,
- nycAlias: 'x'
- },
- excludeNodeModules: {
- description: 'whether or not to exclude all node_module folders (i.e. **/node_modules/**) by default',
- type: 'boolean',
- default: true,
- nycCommands: nycCommands.testExclude
- },
- include: {
- description: 'a list of specific files that should be covered, glob patterns are supported',
- type: 'array',
- items: {
- type: 'string'
- },
- default: [],
- nycCommands: nycCommands.testExclude,
- nycAlias: 'n'
- },
- extension: {
- description: 'a list of extensions that nyc should handle in addition to .js',
- type: 'array',
- items: {
- type: 'string'
- },
- default: defaultExtension,
- nycCommands: nycCommands.testExclude,
- nycAlias: 'e'
- }
- };
- const instrumentVisitor = {
- coverageVariable: {
- description: 'variable to store coverage',
- type: 'string',
- default: '__coverage__',
- nycCommands: nycCommands.instrument
- },
- coverageGlobalScope: {
- description: 'scope to store the coverage variable',
- type: 'string',
- default: 'this',
- nycCommands: nycCommands.instrument
- },
- coverageGlobalScopeFunc: {
- description: 'avoid potentially replaced `Function` when finding global scope',
- type: 'boolean',
- default: true,
- nycCommands: nycCommands.instrument
- },
- ignoreClassMethods: {
- description: 'class method names to ignore for coverage',
- type: 'array',
- items: {
- type: 'string'
- },
- default: [],
- nycCommands: nycCommands.instrument
- }
- };
- const instrumentParseGen = {
- autoWrap: {
- description: 'allow `return` statements outside of functions',
- type: 'boolean',
- default: true,
- nycCommands: nycCommands.instrument
- },
- esModules: {
- description: 'should files be treated as ES Modules',
- type: 'boolean',
- default: true,
- nycCommands: nycCommands.instrument
- },
- parserPlugins: {
- description: 'babel parser plugins to use when parsing the source',
- type: 'array',
- items: {
- type: 'string'
- },
- /* Babel parser plugins are to be enabled when the feature is stage 3 and
- * implemented in a released version of node.js. */
- default: [
- 'asyncGenerators',
- 'bigInt',
- 'classProperties',
- 'classPrivateProperties',
- 'classPrivateMethods',
- 'dynamicImport',
- 'importMeta',
- 'numericSeparator',
- 'objectRestSpread',
- 'optionalCatchBinding',
- 'topLevelAwait'
- ],
- nycCommands: nycCommands.instrument
- },
- compact: {
- description: 'should the output be compacted?',
- type: 'boolean',
- default: true,
- nycCommands: nycCommands.instrument
- },
- preserveComments: {
- description: 'should comments be preserved in the output?',
- type: 'boolean',
- default: true,
- nycCommands: nycCommands.instrument
- },
- produceSourceMap: {
- description: 'should source maps be produced?',
- type: 'boolean',
- default: true,
- nycCommands: nycCommands.instrument
- }
- };
- const checkCoverage = {
- excludeAfterRemap: {
- description: 'should exclude logic be performed after the source-map remaps filenames?',
- type: 'boolean',
- default: true,
- nycCommands: nycCommands.checkCoverage
- },
- branches: {
- description: 'what % of branches must be covered?',
- type: 'number',
- default: 0,
- minimum: 0,
- maximum: 100,
- nycCommands: nycCommands.checkCoverage
- },
- functions: {
- description: 'what % of functions must be covered?',
- type: 'number',
- default: 0,
- minimum: 0,
- maximum: 100,
- nycCommands: nycCommands.checkCoverage
- },
- lines: {
- description: 'what % of lines must be covered?',
- type: 'number',
- default: 90,
- minimum: 0,
- maximum: 100,
- nycCommands: nycCommands.checkCoverage
- },
- statements: {
- description: 'what % of statements must be covered?',
- type: 'number',
- default: 0,
- minimum: 0,
- maximum: 100,
- nycCommands: nycCommands.checkCoverage
- },
- perFile: {
- description: 'check thresholds per file',
- type: 'boolean',
- default: false,
- nycCommands: nycCommands.checkCoverage
- }
- };
- const report = {
- checkCoverage: {
- description: 'check whether coverage is within thresholds provided',
- type: 'boolean',
- default: false,
- nycCommands: nycCommands.report
- },
- reporter: {
- description: 'coverage reporter(s) to use',
- type: 'array',
- items: {
- type: 'string'
- },
- default: ['text'],
- nycCommands: nycCommands.report,
- nycAlias: 'r'
- },
- reportDir: {
- description: 'directory to output coverage reports in',
- type: 'string',
- default: 'coverage',
- nycCommands: nycCommands.report
- },
- showProcessTree: {
- description: 'display the tree of spawned processes',
- type: 'boolean',
- default: false,
- nycCommands: nycCommands.report
- },
- skipEmpty: {
- description: 'don\'t show empty files (no lines of code) in report',
- type: 'boolean',
- default: false,
- nycCommands: nycCommands.report
- },
- skipFull: {
- description: 'don\'t show files with 100% statement, branch, and function coverage',
- type: 'boolean',
- default: false,
- nycCommands: nycCommands.report
- }
- };
- const nycMain = {
- silent: {
- description: 'don\'t output a report after tests finish running',
- type: 'boolean',
- default: false,
- nycCommands: nycCommands.main,
- nycAlias: 's'
- },
- all: {
- description: 'whether or not to instrument all files of the project (not just the ones touched by your test suite)',
- type: 'boolean',
- default: false,
- nycCommands: nycCommands.main,
- nycAlias: 'a'
- },
- eager: {
- description: 'instantiate the instrumenter at startup (see https://git.io/vMKZ9)',
- type: 'boolean',
- default: false,
- nycCommands: nycCommands.main
- },
- cache: {
- description: 'cache instrumentation results for improved performance',
- type: 'boolean',
- default: true,
- nycCommands: nycCommands.main,
- nycAlias: 'c'
- },
- cacheDir: {
- description: 'explicitly set location for instrumentation cache',
- type: 'string',
- nycCommands: nycCommands.main
- },
- babelCache: {
- description: 'cache babel transpilation results for improved performance',
- type: 'boolean',
- default: false,
- nycCommands: nycCommands.main
- },
- useSpawnWrap: {
- description: 'use spawn-wrap instead of setting process.env.NODE_OPTIONS',
- type: 'boolean',
- default: false,
- nycCommands: nycCommands.main
- },
- hookRequire: {
- description: 'should nyc wrap require?',
- type: 'boolean',
- default: true,
- nycCommands: nycCommands.main
- },
- hookRunInContext: {
- description: 'should nyc wrap vm.runInContext?',
- type: 'boolean',
- default: false,
- nycCommands: nycCommands.main
- },
- hookRunInThisContext: {
- description: 'should nyc wrap vm.runInThisContext?',
- type: 'boolean',
- default: false,
- nycCommands: nycCommands.main
- },
- clean: {
- description: 'should the .nyc_output folder be cleaned before executing tests',
- type: 'boolean',
- default: true,
- nycCommands: nycCommands.main
- }
- };
- const instrumentOnly = {
- inPlace: {
- description: 'should nyc run the instrumentation in place?',
- type: 'boolean',
- default: false,
- nycCommands: nycCommands.instrumentOnly
- },
- exitOnError: {
- description: 'should nyc exit when an instrumentation failure occurs?',
- type: 'boolean',
- default: false,
- nycCommands: nycCommands.instrumentOnly
- },
- delete: {
- description: 'should the output folder be deleted before instrumenting files?',
- type: 'boolean',
- default: false,
- nycCommands: nycCommands.instrumentOnly
- },
- completeCopy: {
- description: 'should nyc copy all files from input to output as well as instrumented files?',
- type: 'boolean',
- default: false,
- nycCommands: nycCommands.instrumentOnly
- }
- };
- const nyc = {
- description: 'nyc configuration options',
- type: 'object',
- properties: {
- cwd,
- nycrcPath,
- tempDir,
- /* Test Exclude */
- ...testExclude,
- /* Instrumentation settings */
- ...instrumentVisitor,
- /* Instrumentation parser/generator settings */
- ...instrumentParseGen,
- sourceMap: {
- description: 'should nyc detect and handle source maps?',
- type: 'boolean',
- default: true,
- nycCommands: nycCommands.instrument
- },
- require: {
- description: 'a list of additional modules that nyc should attempt to require in its subprocess, e.g., @babel/register, @babel/polyfill',
- type: 'array',
- items: {
- type: 'string'
- },
- default: [],
- nycCommands: nycCommands.instrument,
- nycAlias: 'i'
- },
- instrument: {
- description: 'should nyc handle instrumentation?',
- type: 'boolean',
- default: true,
- nycCommands: nycCommands.instrument
- },
- /* Check coverage */
- ...checkCoverage,
- /* Report options */
- ...report,
- /* Main command options */
- ...nycMain,
- /* Instrument command options */
- ...instrumentOnly
- }
- };
- const configs = {
- nyc,
- testExclude: {
- description: 'test-exclude options',
- type: 'object',
- properties: {
- cwd,
- ...testExclude
- }
- },
- babelPluginIstanbul: {
- description: 'babel-plugin-istanbul options',
- type: 'object',
- properties: {
- cwd,
- ...testExclude,
- ...instrumentVisitor
- }
- },
- instrumentVisitor: {
- description: 'instrument visitor options',
- type: 'object',
- properties: instrumentVisitor
- },
- instrumenter: {
- description: 'stand-alone instrumenter options',
- type: 'object',
- properties: {
- ...instrumentVisitor,
- ...instrumentParseGen
- }
- }
- };
- function defaultsReducer(defaults, [name, {default: value}]) {
- /* Modifying arrays in defaults is safe, does not change schema. */
- if (Array.isArray(value)) {
- value = [...value];
- }
- return Object.assign(defaults, {[name]: value});
- }
- module.exports = {
- ...configs,
- defaults: Object.keys(configs).reduce(
- (defaults, id) => {
- Object.defineProperty(defaults, id, {
- enumerable: true,
- get() {
- /* This defers `process.cwd()` until defaults are requested. */
- return Object.entries(configs[id].properties)
- .filter(([, info]) => 'default' in info)
- .reduce(defaultsReducer, {});
- }
- });
- return defaults;
- },
- {}
- )
- };
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