1129 lines
30 KiB
JavaScript
1129 lines
30 KiB
JavaScript
'use strict';
|
|
|
|
var path = require('path');
|
|
var minimatch = require('minimatch');
|
|
var createDebug = require('debug');
|
|
var objectSchema = require('@humanwhocodes/object-schema');
|
|
|
|
/**
|
|
* @fileoverview ConfigSchema
|
|
* @author Nicholas C. Zakas
|
|
*/
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Helpers
|
|
//------------------------------------------------------------------------------
|
|
|
|
const NOOP_STRATEGY = {
|
|
required: false,
|
|
merge() {
|
|
return undefined;
|
|
},
|
|
validate() { }
|
|
};
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Exports
|
|
//------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* The base schema that every ConfigArray uses.
|
|
* @type Object
|
|
*/
|
|
const baseSchema = Object.freeze({
|
|
name: {
|
|
required: false,
|
|
merge() {
|
|
return undefined;
|
|
},
|
|
validate(value) {
|
|
if (typeof value !== 'string') {
|
|
throw new TypeError('Property must be a string.');
|
|
}
|
|
}
|
|
},
|
|
files: NOOP_STRATEGY,
|
|
ignores: NOOP_STRATEGY
|
|
});
|
|
|
|
/**
|
|
* @fileoverview ConfigSchema
|
|
* @author Nicholas C. Zakas
|
|
*/
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Helpers
|
|
//------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Asserts that a given value is an array.
|
|
* @param {*} value The value to check.
|
|
* @returns {void}
|
|
* @throws {TypeError} When the value is not an array.
|
|
*/
|
|
function assertIsArray(value) {
|
|
if (!Array.isArray(value)) {
|
|
throw new TypeError('Expected value to be an array.');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Asserts that a given value is an array containing only strings and functions.
|
|
* @param {*} value The value to check.
|
|
* @returns {void}
|
|
* @throws {TypeError} When the value is not an array of strings and functions.
|
|
*/
|
|
function assertIsArrayOfStringsAndFunctions(value, name) {
|
|
assertIsArray(value);
|
|
|
|
if (value.some(item => typeof item !== 'string' && typeof item !== 'function')) {
|
|
throw new TypeError('Expected array to only contain strings and functions.');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Asserts that a given value is a non-empty array.
|
|
* @param {*} value The value to check.
|
|
* @returns {void}
|
|
* @throws {TypeError} When the value is not an array or an empty array.
|
|
*/
|
|
function assertIsNonEmptyArray(value) {
|
|
if (!Array.isArray(value) || value.length === 0) {
|
|
throw new TypeError('Expected value to be a non-empty array.');
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Exports
|
|
//------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* The schema for `files` and `ignores` that every ConfigArray uses.
|
|
* @type Object
|
|
*/
|
|
const filesAndIgnoresSchema = Object.freeze({
|
|
files: {
|
|
required: false,
|
|
merge() {
|
|
return undefined;
|
|
},
|
|
validate(value) {
|
|
|
|
// first check if it's an array
|
|
assertIsNonEmptyArray(value);
|
|
|
|
// then check each member
|
|
value.forEach(item => {
|
|
if (Array.isArray(item)) {
|
|
assertIsArrayOfStringsAndFunctions(item);
|
|
} else if (typeof item !== 'string' && typeof item !== 'function') {
|
|
throw new TypeError('Items must be a string, a function, or an array of strings and functions.');
|
|
}
|
|
});
|
|
|
|
}
|
|
},
|
|
ignores: {
|
|
required: false,
|
|
merge() {
|
|
return undefined;
|
|
},
|
|
validate: assertIsArrayOfStringsAndFunctions
|
|
}
|
|
});
|
|
|
|
/**
|
|
* @fileoverview ConfigArray
|
|
* @author Nicholas C. Zakas
|
|
*/
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Helpers
|
|
//------------------------------------------------------------------------------
|
|
|
|
const Minimatch = minimatch.Minimatch;
|
|
const minimatchCache = new Map();
|
|
const negatedMinimatchCache = new Map();
|
|
const debug = createDebug('@hwc/config-array');
|
|
|
|
const MINIMATCH_OPTIONS = {
|
|
// matchBase: true,
|
|
dot: true
|
|
};
|
|
|
|
const CONFIG_TYPES = new Set(['array', 'function']);
|
|
|
|
/**
|
|
* Fields that are considered metadata and not part of the config object.
|
|
*/
|
|
const META_FIELDS = new Set(['name']);
|
|
|
|
const FILES_AND_IGNORES_SCHEMA = new objectSchema.ObjectSchema(filesAndIgnoresSchema);
|
|
|
|
/**
|
|
* Wrapper error for config validation errors that adds a name to the front of the
|
|
* error message.
|
|
*/
|
|
class ConfigError extends Error {
|
|
|
|
/**
|
|
* Creates a new instance.
|
|
* @param {string} name The config object name causing the error.
|
|
* @param {number} index The index of the config object in the array.
|
|
* @param {Error} source The source error.
|
|
*/
|
|
constructor(name, index, { cause, message }) {
|
|
|
|
|
|
const finalMessage = message || cause.message;
|
|
|
|
super(`Config ${name}: ${finalMessage}`, { cause });
|
|
|
|
// copy over custom properties that aren't represented
|
|
if (cause) {
|
|
for (const key of Object.keys(cause)) {
|
|
if (!(key in this)) {
|
|
this[key] = cause[key];
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* The name of the error.
|
|
* @type {string}
|
|
* @readonly
|
|
*/
|
|
this.name = 'ConfigError';
|
|
|
|
/**
|
|
* The index of the config object in the array.
|
|
* @type {number}
|
|
* @readonly
|
|
*/
|
|
this.index = index;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the name of a config object.
|
|
* @param {object} config The config object to get the name of.
|
|
* @returns {string} The name of the config object.
|
|
*/
|
|
function getConfigName(config) {
|
|
if (config && typeof config.name === 'string' && config.name) {
|
|
return `"${config.name}"`;
|
|
}
|
|
|
|
return '(unnamed)';
|
|
}
|
|
|
|
/**
|
|
* Rethrows a config error with additional information about the config object.
|
|
* @param {object} config The config object to get the name of.
|
|
* @param {number} index The index of the config object in the array.
|
|
* @param {Error} error The error to rethrow.
|
|
* @throws {ConfigError} When the error is rethrown for a config.
|
|
*/
|
|
function rethrowConfigError(config, index, error) {
|
|
const configName = getConfigName(config);
|
|
throw new ConfigError(configName, index, error);
|
|
}
|
|
|
|
/**
|
|
* Shorthand for checking if a value is a string.
|
|
* @param {any} value The value to check.
|
|
* @returns {boolean} True if a string, false if not.
|
|
*/
|
|
function isString(value) {
|
|
return typeof value === 'string';
|
|
}
|
|
|
|
/**
|
|
* Creates a function that asserts that the config is valid
|
|
* during normalization. This checks that the config is not nullish
|
|
* and that files and ignores keys of a config object are valid as per base schema.
|
|
* @param {Object} config The config object to check.
|
|
* @param {number} index The index of the config object in the array.
|
|
* @returns {void}
|
|
* @throws {ConfigError} If the files and ignores keys of a config object are not valid.
|
|
*/
|
|
function assertValidBaseConfig(config, index) {
|
|
|
|
if (config === null) {
|
|
throw new ConfigError(getConfigName(config), index, { message: 'Unexpected null config.' });
|
|
}
|
|
|
|
if (config === undefined) {
|
|
throw new ConfigError(getConfigName(config), index, { message: 'Unexpected undefined config.' });
|
|
}
|
|
|
|
if (typeof config !== 'object') {
|
|
throw new ConfigError(getConfigName(config), index, { message: 'Unexpected non-object config.' });
|
|
}
|
|
|
|
const validateConfig = { };
|
|
|
|
if ('files' in config) {
|
|
validateConfig.files = config.files;
|
|
}
|
|
|
|
if ('ignores' in config) {
|
|
validateConfig.ignores = config.ignores;
|
|
}
|
|
|
|
try {
|
|
FILES_AND_IGNORES_SCHEMA.validate(validateConfig);
|
|
} catch (validationError) {
|
|
rethrowConfigError(config, index, { cause: validationError });
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Wrapper around minimatch that caches minimatch patterns for
|
|
* faster matching speed over multiple file path evaluations.
|
|
* @param {string} filepath The file path to match.
|
|
* @param {string} pattern The glob pattern to match against.
|
|
* @param {object} options The minimatch options to use.
|
|
* @returns
|
|
*/
|
|
function doMatch(filepath, pattern, options = {}) {
|
|
|
|
let cache = minimatchCache;
|
|
|
|
if (options.flipNegate) {
|
|
cache = negatedMinimatchCache;
|
|
}
|
|
|
|
let matcher = cache.get(pattern);
|
|
|
|
if (!matcher) {
|
|
matcher = new Minimatch(pattern, Object.assign({}, MINIMATCH_OPTIONS, options));
|
|
cache.set(pattern, matcher);
|
|
}
|
|
|
|
return matcher.match(filepath);
|
|
}
|
|
|
|
/**
|
|
* Normalizes a `ConfigArray` by flattening it and executing any functions
|
|
* that are found inside.
|
|
* @param {Array} items The items in a `ConfigArray`.
|
|
* @param {Object} context The context object to pass into any function
|
|
* found.
|
|
* @param {Array<string>} extraConfigTypes The config types to check.
|
|
* @returns {Promise<Array>} A flattened array containing only config objects.
|
|
* @throws {TypeError} When a config function returns a function.
|
|
*/
|
|
async function normalize(items, context, extraConfigTypes) {
|
|
|
|
const allowFunctions = extraConfigTypes.includes('function');
|
|
const allowArrays = extraConfigTypes.includes('array');
|
|
|
|
async function* flatTraverse(array) {
|
|
for (let item of array) {
|
|
if (typeof item === 'function') {
|
|
if (!allowFunctions) {
|
|
throw new TypeError('Unexpected function.');
|
|
}
|
|
|
|
item = item(context);
|
|
if (item.then) {
|
|
item = await item;
|
|
}
|
|
}
|
|
|
|
if (Array.isArray(item)) {
|
|
if (!allowArrays) {
|
|
throw new TypeError('Unexpected array.');
|
|
}
|
|
yield* flatTraverse(item);
|
|
} else if (typeof item === 'function') {
|
|
throw new TypeError('A config function can only return an object or array.');
|
|
} else {
|
|
yield item;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Async iterables cannot be used with the spread operator, so we need to manually
|
|
* create the array to return.
|
|
*/
|
|
const asyncIterable = await flatTraverse(items);
|
|
const configs = [];
|
|
|
|
for await (const config of asyncIterable) {
|
|
configs.push(config);
|
|
}
|
|
|
|
return configs;
|
|
}
|
|
|
|
/**
|
|
* Normalizes a `ConfigArray` by flattening it and executing any functions
|
|
* that are found inside.
|
|
* @param {Array} items The items in a `ConfigArray`.
|
|
* @param {Object} context The context object to pass into any function
|
|
* found.
|
|
* @param {Array<string>} extraConfigTypes The config types to check.
|
|
* @returns {Array} A flattened array containing only config objects.
|
|
* @throws {TypeError} When a config function returns a function.
|
|
*/
|
|
function normalizeSync(items, context, extraConfigTypes) {
|
|
|
|
const allowFunctions = extraConfigTypes.includes('function');
|
|
const allowArrays = extraConfigTypes.includes('array');
|
|
|
|
function* flatTraverse(array) {
|
|
for (let item of array) {
|
|
if (typeof item === 'function') {
|
|
|
|
if (!allowFunctions) {
|
|
throw new TypeError('Unexpected function.');
|
|
}
|
|
|
|
item = item(context);
|
|
if (item.then) {
|
|
throw new TypeError('Async config functions are not supported.');
|
|
}
|
|
}
|
|
|
|
if (Array.isArray(item)) {
|
|
|
|
if (!allowArrays) {
|
|
throw new TypeError('Unexpected array.');
|
|
}
|
|
|
|
yield* flatTraverse(item);
|
|
} else if (typeof item === 'function') {
|
|
throw new TypeError('A config function can only return an object or array.');
|
|
} else {
|
|
yield item;
|
|
}
|
|
}
|
|
}
|
|
|
|
return [...flatTraverse(items)];
|
|
}
|
|
|
|
/**
|
|
* Determines if a given file path should be ignored based on the given
|
|
* matcher.
|
|
* @param {Array<string|() => boolean>} ignores The ignore patterns to check.
|
|
* @param {string} filePath The absolute path of the file to check.
|
|
* @param {string} relativeFilePath The relative path of the file to check.
|
|
* @returns {boolean} True if the path should be ignored and false if not.
|
|
*/
|
|
function shouldIgnorePath(ignores, filePath, relativeFilePath) {
|
|
|
|
// all files outside of the basePath are ignored
|
|
if (relativeFilePath.startsWith('..')) {
|
|
return true;
|
|
}
|
|
|
|
return ignores.reduce((ignored, matcher) => {
|
|
|
|
if (!ignored) {
|
|
|
|
if (typeof matcher === 'function') {
|
|
return matcher(filePath);
|
|
}
|
|
|
|
// don't check negated patterns because we're not ignored yet
|
|
if (!matcher.startsWith('!')) {
|
|
return doMatch(relativeFilePath, matcher);
|
|
}
|
|
|
|
// otherwise we're still not ignored
|
|
return false;
|
|
|
|
}
|
|
|
|
// only need to check negated patterns because we're ignored
|
|
if (typeof matcher === 'string' && matcher.startsWith('!')) {
|
|
return !doMatch(relativeFilePath, matcher, {
|
|
flipNegate: true
|
|
});
|
|
}
|
|
|
|
return ignored;
|
|
|
|
}, false);
|
|
|
|
}
|
|
|
|
/**
|
|
* Determines if a given file path is matched by a config based on
|
|
* `ignores` only.
|
|
* @param {string} filePath The absolute file path to check.
|
|
* @param {string} basePath The base path for the config.
|
|
* @param {Object} config The config object to check.
|
|
* @returns {boolean} True if the file path is matched by the config,
|
|
* false if not.
|
|
*/
|
|
function pathMatchesIgnores(filePath, basePath, config) {
|
|
|
|
/*
|
|
* For both files and ignores, functions are passed the absolute
|
|
* file path while strings are compared against the relative
|
|
* file path.
|
|
*/
|
|
const relativeFilePath = path.relative(basePath, filePath);
|
|
|
|
return Object.keys(config).filter(key => !META_FIELDS.has(key)).length > 1 &&
|
|
!shouldIgnorePath(config.ignores, filePath, relativeFilePath);
|
|
}
|
|
|
|
|
|
/**
|
|
* Determines if a given file path is matched by a config. If the config
|
|
* has no `files` field, then it matches; otherwise, if a `files` field
|
|
* is present then we match the globs in `files` and exclude any globs in
|
|
* `ignores`.
|
|
* @param {string} filePath The absolute file path to check.
|
|
* @param {string} basePath The base path for the config.
|
|
* @param {Object} config The config object to check.
|
|
* @returns {boolean} True if the file path is matched by the config,
|
|
* false if not.
|
|
*/
|
|
function pathMatches(filePath, basePath, config) {
|
|
|
|
/*
|
|
* For both files and ignores, functions are passed the absolute
|
|
* file path while strings are compared against the relative
|
|
* file path.
|
|
*/
|
|
const relativeFilePath = path.relative(basePath, filePath);
|
|
|
|
// match both strings and functions
|
|
const match = pattern => {
|
|
|
|
if (isString(pattern)) {
|
|
return doMatch(relativeFilePath, pattern);
|
|
}
|
|
|
|
if (typeof pattern === 'function') {
|
|
return pattern(filePath);
|
|
}
|
|
|
|
throw new TypeError(`Unexpected matcher type ${pattern}.`);
|
|
};
|
|
|
|
// check for all matches to config.files
|
|
let filePathMatchesPattern = config.files.some(pattern => {
|
|
if (Array.isArray(pattern)) {
|
|
return pattern.every(match);
|
|
}
|
|
|
|
return match(pattern);
|
|
});
|
|
|
|
/*
|
|
* If the file path matches the config.files patterns, then check to see
|
|
* if there are any files to ignore.
|
|
*/
|
|
if (filePathMatchesPattern && config.ignores) {
|
|
filePathMatchesPattern = !shouldIgnorePath(config.ignores, filePath, relativeFilePath);
|
|
}
|
|
|
|
return filePathMatchesPattern;
|
|
}
|
|
|
|
/**
|
|
* Ensures that a ConfigArray has been normalized.
|
|
* @param {ConfigArray} configArray The ConfigArray to check.
|
|
* @returns {void}
|
|
* @throws {Error} When the `ConfigArray` is not normalized.
|
|
*/
|
|
function assertNormalized(configArray) {
|
|
// TODO: Throw more verbose error
|
|
if (!configArray.isNormalized()) {
|
|
throw new Error('ConfigArray must be normalized to perform this operation.');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensures that config types are valid.
|
|
* @param {Array<string>} extraConfigTypes The config types to check.
|
|
* @returns {void}
|
|
* @throws {Error} When the config types array is invalid.
|
|
*/
|
|
function assertExtraConfigTypes(extraConfigTypes) {
|
|
if (extraConfigTypes.length > 2) {
|
|
throw new TypeError('configTypes must be an array with at most two items.');
|
|
}
|
|
|
|
for (const configType of extraConfigTypes) {
|
|
if (!CONFIG_TYPES.has(configType)) {
|
|
throw new TypeError(`Unexpected config type "${configType}" found. Expected one of: "object", "array", "function".`);
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Public Interface
|
|
//------------------------------------------------------------------------------
|
|
|
|
const ConfigArraySymbol = {
|
|
isNormalized: Symbol('isNormalized'),
|
|
configCache: Symbol('configCache'),
|
|
schema: Symbol('schema'),
|
|
finalizeConfig: Symbol('finalizeConfig'),
|
|
preprocessConfig: Symbol('preprocessConfig')
|
|
};
|
|
|
|
// used to store calculate data for faster lookup
|
|
const dataCache = new WeakMap();
|
|
|
|
/**
|
|
* Represents an array of config objects and provides method for working with
|
|
* those config objects.
|
|
*/
|
|
class ConfigArray extends Array {
|
|
|
|
/**
|
|
* Creates a new instance of ConfigArray.
|
|
* @param {Iterable|Function|Object} configs An iterable yielding config
|
|
* objects, or a config function, or a config object.
|
|
* @param {string} [options.basePath=""] The path of the config file
|
|
* @param {boolean} [options.normalized=false] Flag indicating if the
|
|
* configs have already been normalized.
|
|
* @param {Object} [options.schema] The additional schema
|
|
* definitions to use for the ConfigArray schema.
|
|
* @param {Array<string>} [options.configTypes] List of config types supported.
|
|
*/
|
|
constructor(configs, {
|
|
basePath = '',
|
|
normalized = false,
|
|
schema: customSchema,
|
|
extraConfigTypes = []
|
|
} = {}
|
|
) {
|
|
super();
|
|
|
|
/**
|
|
* Tracks if the array has been normalized.
|
|
* @property isNormalized
|
|
* @type {boolean}
|
|
* @private
|
|
*/
|
|
this[ConfigArraySymbol.isNormalized] = normalized;
|
|
|
|
/**
|
|
* The schema used for validating and merging configs.
|
|
* @property schema
|
|
* @type ObjectSchema
|
|
* @private
|
|
*/
|
|
this[ConfigArraySymbol.schema] = new objectSchema.ObjectSchema(
|
|
Object.assign({}, customSchema, baseSchema)
|
|
);
|
|
|
|
/**
|
|
* The path of the config file that this array was loaded from.
|
|
* This is used to calculate filename matches.
|
|
* @property basePath
|
|
* @type {string}
|
|
*/
|
|
this.basePath = basePath;
|
|
|
|
assertExtraConfigTypes(extraConfigTypes);
|
|
|
|
/**
|
|
* The supported config types.
|
|
* @property configTypes
|
|
* @type {Array<string>}
|
|
*/
|
|
this.extraConfigTypes = Object.freeze([...extraConfigTypes]);
|
|
|
|
/**
|
|
* A cache to store calculated configs for faster repeat lookup.
|
|
* @property configCache
|
|
* @type {Map<string, Object>}
|
|
* @private
|
|
*/
|
|
this[ConfigArraySymbol.configCache] = new Map();
|
|
|
|
// init cache
|
|
dataCache.set(this, {
|
|
explicitMatches: new Map(),
|
|
directoryMatches: new Map(),
|
|
files: undefined,
|
|
ignores: undefined
|
|
});
|
|
|
|
// load the configs into this array
|
|
if (Array.isArray(configs)) {
|
|
this.push(...configs);
|
|
} else {
|
|
this.push(configs);
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Prevent normal array methods from creating a new `ConfigArray` instance.
|
|
* This is to ensure that methods such as `slice()` won't try to create a
|
|
* new instance of `ConfigArray` behind the scenes as doing so may throw
|
|
* an error due to the different constructor signature.
|
|
* @returns {Function} The `Array` constructor.
|
|
*/
|
|
static get [Symbol.species]() {
|
|
return Array;
|
|
}
|
|
|
|
/**
|
|
* Returns the `files` globs from every config object in the array.
|
|
* This can be used to determine which files will be matched by a
|
|
* config array or to use as a glob pattern when no patterns are provided
|
|
* for a command line interface.
|
|
* @returns {Array<string|Function>} An array of matchers.
|
|
*/
|
|
get files() {
|
|
|
|
assertNormalized(this);
|
|
|
|
// if this data has been cached, retrieve it
|
|
const cache = dataCache.get(this);
|
|
|
|
if (cache.files) {
|
|
return cache.files;
|
|
}
|
|
|
|
// otherwise calculate it
|
|
|
|
const result = [];
|
|
|
|
for (const config of this) {
|
|
if (config.files) {
|
|
config.files.forEach(filePattern => {
|
|
result.push(filePattern);
|
|
});
|
|
}
|
|
}
|
|
|
|
// store result
|
|
cache.files = result;
|
|
dataCache.set(this, cache);
|
|
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Returns ignore matchers that should always be ignored regardless of
|
|
* the matching `files` fields in any configs. This is necessary to mimic
|
|
* the behavior of things like .gitignore and .eslintignore, allowing a
|
|
* globbing operation to be faster.
|
|
* @returns {string[]} An array of string patterns and functions to be ignored.
|
|
*/
|
|
get ignores() {
|
|
|
|
assertNormalized(this);
|
|
|
|
// if this data has been cached, retrieve it
|
|
const cache = dataCache.get(this);
|
|
|
|
if (cache.ignores) {
|
|
return cache.ignores;
|
|
}
|
|
|
|
// otherwise calculate it
|
|
|
|
const result = [];
|
|
|
|
for (const config of this) {
|
|
|
|
/*
|
|
* We only count ignores if there are no other keys in the object.
|
|
* In this case, it acts list a globally ignored pattern. If there
|
|
* are additional keys, then ignores act like exclusions.
|
|
*/
|
|
if (config.ignores && Object.keys(config).filter(key => !META_FIELDS.has(key)).length === 1) {
|
|
result.push(...config.ignores);
|
|
}
|
|
}
|
|
|
|
// store result
|
|
cache.ignores = result;
|
|
dataCache.set(this, cache);
|
|
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Indicates if the config array has been normalized.
|
|
* @returns {boolean} True if the config array is normalized, false if not.
|
|
*/
|
|
isNormalized() {
|
|
return this[ConfigArraySymbol.isNormalized];
|
|
}
|
|
|
|
/**
|
|
* Normalizes a config array by flattening embedded arrays and executing
|
|
* config functions.
|
|
* @param {ConfigContext} context The context object for config functions.
|
|
* @returns {Promise<ConfigArray>} The current ConfigArray instance.
|
|
*/
|
|
async normalize(context = {}) {
|
|
|
|
if (!this.isNormalized()) {
|
|
const normalizedConfigs = await normalize(this, context, this.extraConfigTypes);
|
|
this.length = 0;
|
|
this.push(...normalizedConfigs.map(this[ConfigArraySymbol.preprocessConfig].bind(this)));
|
|
this.forEach(assertValidBaseConfig);
|
|
this[ConfigArraySymbol.isNormalized] = true;
|
|
|
|
// prevent further changes
|
|
Object.freeze(this);
|
|
}
|
|
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Normalizes a config array by flattening embedded arrays and executing
|
|
* config functions.
|
|
* @param {ConfigContext} context The context object for config functions.
|
|
* @returns {ConfigArray} The current ConfigArray instance.
|
|
*/
|
|
normalizeSync(context = {}) {
|
|
|
|
if (!this.isNormalized()) {
|
|
const normalizedConfigs = normalizeSync(this, context, this.extraConfigTypes);
|
|
this.length = 0;
|
|
this.push(...normalizedConfigs.map(this[ConfigArraySymbol.preprocessConfig].bind(this)));
|
|
this.forEach(assertValidBaseConfig);
|
|
this[ConfigArraySymbol.isNormalized] = true;
|
|
|
|
// prevent further changes
|
|
Object.freeze(this);
|
|
}
|
|
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Finalizes the state of a config before being cached and returned by
|
|
* `getConfig()`. Does nothing by default but is provided to be
|
|
* overridden by subclasses as necessary.
|
|
* @param {Object} config The config to finalize.
|
|
* @returns {Object} The finalized config.
|
|
*/
|
|
[ConfigArraySymbol.finalizeConfig](config) {
|
|
return config;
|
|
}
|
|
|
|
/**
|
|
* Preprocesses a config during the normalization process. This is the
|
|
* method to override if you want to convert an array item before it is
|
|
* validated for the first time. For example, if you want to replace a
|
|
* string with an object, this is the method to override.
|
|
* @param {Object} config The config to preprocess.
|
|
* @returns {Object} The config to use in place of the argument.
|
|
*/
|
|
[ConfigArraySymbol.preprocessConfig](config) {
|
|
return config;
|
|
}
|
|
|
|
/**
|
|
* Determines if a given file path explicitly matches a `files` entry
|
|
* and also doesn't match an `ignores` entry. Configs that don't have
|
|
* a `files` property are not considered an explicit match.
|
|
* @param {string} filePath The complete path of a file to check.
|
|
* @returns {boolean} True if the file path matches a `files` entry
|
|
* or false if not.
|
|
*/
|
|
isExplicitMatch(filePath) {
|
|
|
|
assertNormalized(this);
|
|
|
|
const cache = dataCache.get(this);
|
|
|
|
// first check the cache to avoid duplicate work
|
|
let result = cache.explicitMatches.get(filePath);
|
|
|
|
if (typeof result == 'boolean') {
|
|
return result;
|
|
}
|
|
|
|
// TODO: Maybe move elsewhere? Maybe combine with getConfig() logic?
|
|
const relativeFilePath = path.relative(this.basePath, filePath);
|
|
|
|
if (shouldIgnorePath(this.ignores, filePath, relativeFilePath)) {
|
|
debug(`Ignoring ${filePath}`);
|
|
|
|
// cache and return result
|
|
cache.explicitMatches.set(filePath, false);
|
|
return false;
|
|
}
|
|
|
|
// filePath isn't automatically ignored, so try to find a match
|
|
|
|
for (const config of this) {
|
|
|
|
if (!config.files) {
|
|
continue;
|
|
}
|
|
|
|
if (pathMatches(filePath, this.basePath, config)) {
|
|
debug(`Matching config found for ${filePath}`);
|
|
cache.explicitMatches.set(filePath, true);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns the config object for a given file path.
|
|
* @param {string} filePath The complete path of a file to get a config for.
|
|
* @returns {Object} The config object for this file.
|
|
*/
|
|
getConfig(filePath) {
|
|
|
|
assertNormalized(this);
|
|
|
|
const cache = this[ConfigArraySymbol.configCache];
|
|
|
|
// first check the cache for a filename match to avoid duplicate work
|
|
if (cache.has(filePath)) {
|
|
return cache.get(filePath);
|
|
}
|
|
|
|
let finalConfig;
|
|
|
|
// next check to see if the file should be ignored
|
|
|
|
// check if this should be ignored due to its directory
|
|
if (this.isDirectoryIgnored(path.dirname(filePath))) {
|
|
debug(`Ignoring ${filePath} based on directory pattern`);
|
|
|
|
// cache and return result - finalConfig is undefined at this point
|
|
cache.set(filePath, finalConfig);
|
|
return finalConfig;
|
|
}
|
|
|
|
// TODO: Maybe move elsewhere?
|
|
const relativeFilePath = path.relative(this.basePath, filePath);
|
|
|
|
if (shouldIgnorePath(this.ignores, filePath, relativeFilePath)) {
|
|
debug(`Ignoring ${filePath} based on file pattern`);
|
|
|
|
// cache and return result - finalConfig is undefined at this point
|
|
cache.set(filePath, finalConfig);
|
|
return finalConfig;
|
|
}
|
|
|
|
// filePath isn't automatically ignored, so try to construct config
|
|
|
|
const matchingConfigIndices = [];
|
|
let matchFound = false;
|
|
const universalPattern = /\/\*{1,2}$/;
|
|
|
|
this.forEach((config, index) => {
|
|
|
|
if (!config.files) {
|
|
|
|
if (!config.ignores) {
|
|
debug(`Anonymous universal config found for ${filePath}`);
|
|
matchingConfigIndices.push(index);
|
|
return;
|
|
}
|
|
|
|
if (pathMatchesIgnores(filePath, this.basePath, config)) {
|
|
debug(`Matching config found for ${filePath} (based on ignores: ${config.ignores})`);
|
|
matchingConfigIndices.push(index);
|
|
return;
|
|
}
|
|
|
|
debug(`Skipped config found for ${filePath} (based on ignores: ${config.ignores})`);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* If a config has a files pattern ending in /** or /*, and the
|
|
* filePath only matches those patterns, then the config is only
|
|
* applied if there is another config where the filePath matches
|
|
* a file with a specific extensions such as *.js.
|
|
*/
|
|
|
|
const universalFiles = config.files.filter(
|
|
pattern => universalPattern.test(pattern)
|
|
);
|
|
|
|
// universal patterns were found so we need to check the config twice
|
|
if (universalFiles.length) {
|
|
|
|
debug('Universal files patterns found. Checking carefully.');
|
|
|
|
const nonUniversalFiles = config.files.filter(
|
|
pattern => !universalPattern.test(pattern)
|
|
);
|
|
|
|
// check that the config matches without the non-universal files first
|
|
if (
|
|
nonUniversalFiles.length &&
|
|
pathMatches(
|
|
filePath, this.basePath,
|
|
{ files: nonUniversalFiles, ignores: config.ignores }
|
|
)
|
|
) {
|
|
debug(`Matching config found for ${filePath}`);
|
|
matchingConfigIndices.push(index);
|
|
matchFound = true;
|
|
return;
|
|
}
|
|
|
|
// if there wasn't a match then check if it matches with universal files
|
|
if (
|
|
universalFiles.length &&
|
|
pathMatches(
|
|
filePath, this.basePath,
|
|
{ files: universalFiles, ignores: config.ignores }
|
|
)
|
|
) {
|
|
debug(`Matching config found for ${filePath}`);
|
|
matchingConfigIndices.push(index);
|
|
return;
|
|
}
|
|
|
|
// if we make here, then there was no match
|
|
return;
|
|
}
|
|
|
|
// the normal case
|
|
if (pathMatches(filePath, this.basePath, config)) {
|
|
debug(`Matching config found for ${filePath}`);
|
|
matchingConfigIndices.push(index);
|
|
matchFound = true;
|
|
return;
|
|
}
|
|
|
|
});
|
|
|
|
// if matching both files and ignores, there will be no config to create
|
|
if (!matchFound) {
|
|
debug(`No matching configs found for ${filePath}`);
|
|
|
|
// cache and return result - finalConfig is undefined at this point
|
|
cache.set(filePath, finalConfig);
|
|
return finalConfig;
|
|
}
|
|
|
|
// check to see if there is a config cached by indices
|
|
finalConfig = cache.get(matchingConfigIndices.toString());
|
|
|
|
if (finalConfig) {
|
|
|
|
// also store for filename for faster lookup next time
|
|
cache.set(filePath, finalConfig);
|
|
|
|
return finalConfig;
|
|
}
|
|
|
|
// otherwise construct the config
|
|
|
|
finalConfig = matchingConfigIndices.reduce((result, index) => {
|
|
try {
|
|
return this[ConfigArraySymbol.schema].merge(result, this[index]);
|
|
} catch (validationError) {
|
|
rethrowConfigError(this[index], index, { cause: validationError});
|
|
}
|
|
}, {}, this);
|
|
|
|
finalConfig = this[ConfigArraySymbol.finalizeConfig](finalConfig);
|
|
|
|
cache.set(filePath, finalConfig);
|
|
cache.set(matchingConfigIndices.toString(), finalConfig);
|
|
|
|
return finalConfig;
|
|
}
|
|
|
|
/**
|
|
* Determines if the given filepath is ignored based on the configs.
|
|
* @param {string} filePath The complete path of a file to check.
|
|
* @returns {boolean} True if the path is ignored, false if not.
|
|
* @deprecated Use `isFileIgnored` instead.
|
|
*/
|
|
isIgnored(filePath) {
|
|
return this.isFileIgnored(filePath);
|
|
}
|
|
|
|
/**
|
|
* Determines if the given filepath is ignored based on the configs.
|
|
* @param {string} filePath The complete path of a file to check.
|
|
* @returns {boolean} True if the path is ignored, false if not.
|
|
*/
|
|
isFileIgnored(filePath) {
|
|
return this.getConfig(filePath) === undefined;
|
|
}
|
|
|
|
/**
|
|
* Determines if the given directory is ignored based on the configs.
|
|
* This checks only default `ignores` that don't have `files` in the
|
|
* same config. A pattern such as `/foo` be considered to ignore the directory
|
|
* while a pattern such as `/foo/**` is not considered to ignore the
|
|
* directory because it is matching files.
|
|
* @param {string} directoryPath The complete path of a directory to check.
|
|
* @returns {boolean} True if the directory is ignored, false if not. Will
|
|
* return true for any directory that is not inside of `basePath`.
|
|
* @throws {Error} When the `ConfigArray` is not normalized.
|
|
*/
|
|
isDirectoryIgnored(directoryPath) {
|
|
|
|
assertNormalized(this);
|
|
|
|
const relativeDirectoryPath = path.relative(this.basePath, directoryPath)
|
|
.replace(/\\/g, '/');
|
|
|
|
if (relativeDirectoryPath.startsWith('..')) {
|
|
return true;
|
|
}
|
|
|
|
// first check the cache
|
|
const cache = dataCache.get(this).directoryMatches;
|
|
|
|
if (cache.has(relativeDirectoryPath)) {
|
|
return cache.get(relativeDirectoryPath);
|
|
}
|
|
|
|
const directoryParts = relativeDirectoryPath.split('/');
|
|
let relativeDirectoryToCheck = '';
|
|
let result = false;
|
|
|
|
/*
|
|
* In order to get the correct gitignore-style ignores, where an
|
|
* ignored parent directory cannot have any descendants unignored,
|
|
* we need to check every directory starting at the parent all
|
|
* the way down to the actual requested directory.
|
|
*
|
|
* We aggressively cache all of this info to make sure we don't
|
|
* have to recalculate everything for every call.
|
|
*/
|
|
do {
|
|
|
|
relativeDirectoryToCheck += directoryParts.shift() + '/';
|
|
|
|
result = shouldIgnorePath(
|
|
this.ignores,
|
|
path.join(this.basePath, relativeDirectoryToCheck),
|
|
relativeDirectoryToCheck
|
|
);
|
|
|
|
cache.set(relativeDirectoryToCheck, result);
|
|
|
|
} while (!result && directoryParts.length);
|
|
|
|
// also cache the result for the requested path
|
|
cache.set(relativeDirectoryPath, result);
|
|
|
|
return result;
|
|
}
|
|
|
|
}
|
|
|
|
exports.ConfigArray = ConfigArray;
|
|
exports.ConfigArraySymbol = ConfigArraySymbol;
|