This commit is contained in:
2022-09-30 05:39:11 +00:00
parent 41ee9463ae
commit 4687fa49bc
11418 changed files with 1312504 additions and 0 deletions

View File

@ -0,0 +1,34 @@
/**
* @fileoverview The instance of Ajv validator.
* @author Evgeny Poberezkin
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const Ajv = require("ajv"),
metaSchema = require("ajv/lib/refs/json-schema-draft-04.json");
//------------------------------------------------------------------------------
// Public Interface
//------------------------------------------------------------------------------
module.exports = (additionalOptions = {}) => {
const ajv = new Ajv({
meta: false,
useDefaults: true,
validateSchema: false,
missingRefs: "ignore",
verbose: true,
schemaId: "auto",
...additionalOptions
});
ajv.addMetaSchema(metaSchema);
// eslint-disable-next-line no-underscore-dangle
ajv._opts.defaultMeta = metaSchema.id;
return ajv;
};

View File

@ -0,0 +1,130 @@
/**
* @fileoverview Config file operations. This file must be usable in the browser,
* so no Node-specific code can be here.
* @author Nicholas C. Zakas
*/
"use strict";
//------------------------------------------------------------------------------
// Private
//------------------------------------------------------------------------------
const RULE_SEVERITY_STRINGS = ["off", "warn", "error"],
RULE_SEVERITY = RULE_SEVERITY_STRINGS.reduce((map, value, index) => {
map[value] = index;
return map;
}, {}),
VALID_SEVERITIES = [0, 1, 2, "off", "warn", "error"];
//------------------------------------------------------------------------------
// Public Interface
//------------------------------------------------------------------------------
module.exports = {
/**
* Normalizes the severity value of a rule's configuration to a number
* @param {(number|string|[number, ...*]|[string, ...*])} ruleConfig A rule's configuration value, generally
* received from the user. A valid config value is either 0, 1, 2, the string "off" (treated the same as 0),
* the string "warn" (treated the same as 1), the string "error" (treated the same as 2), or an array
* whose first element is one of the above values. Strings are matched case-insensitively.
* @returns {(0|1|2)} The numeric severity value if the config value was valid, otherwise 0.
*/
getRuleSeverity(ruleConfig) {
const severityValue = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig;
if (severityValue === 0 || severityValue === 1 || severityValue === 2) {
return severityValue;
}
if (typeof severityValue === "string") {
return RULE_SEVERITY[severityValue.toLowerCase()] || 0;
}
return 0;
},
/**
* Converts old-style severity settings (0, 1, 2) into new-style
* severity settings (off, warn, error) for all rules. Assumption is that severity
* values have already been validated as correct.
* @param {Object} config The config object to normalize.
* @returns {void}
*/
normalizeToStrings(config) {
if (config.rules) {
Object.keys(config.rules).forEach(ruleId => {
const ruleConfig = config.rules[ruleId];
if (typeof ruleConfig === "number") {
config.rules[ruleId] = RULE_SEVERITY_STRINGS[ruleConfig] || RULE_SEVERITY_STRINGS[0];
} else if (Array.isArray(ruleConfig) && typeof ruleConfig[0] === "number") {
ruleConfig[0] = RULE_SEVERITY_STRINGS[ruleConfig[0]] || RULE_SEVERITY_STRINGS[0];
}
});
}
},
/**
* Determines if the severity for the given rule configuration represents an error.
* @param {int|string|Array} ruleConfig The configuration for an individual rule.
* @returns {boolean} True if the rule represents an error, false if not.
*/
isErrorSeverity(ruleConfig) {
return module.exports.getRuleSeverity(ruleConfig) === 2;
},
/**
* Checks whether a given config has valid severity or not.
* @param {number|string|Array} ruleConfig The configuration for an individual rule.
* @returns {boolean} `true` if the configuration has valid severity.
*/
isValidSeverity(ruleConfig) {
let severity = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig;
if (typeof severity === "string") {
severity = severity.toLowerCase();
}
return VALID_SEVERITIES.indexOf(severity) !== -1;
},
/**
* Checks whether every rule of a given config has valid severity or not.
* @param {Object} config The configuration for rules.
* @returns {boolean} `true` if the configuration has valid severity.
*/
isEverySeverityValid(config) {
return Object.keys(config).every(ruleId => this.isValidSeverity(config[ruleId]));
},
/**
* Normalizes a value for a global in a config
* @param {(boolean|string|null)} configuredValue The value given for a global in configuration or in
* a global directive comment
* @returns {("readable"|"writeable"|"off")} The value normalized as a string
* @throws Error if global value is invalid
*/
normalizeConfigGlobal(configuredValue) {
switch (configuredValue) {
case "off":
return "off";
case true:
case "true":
case "writeable":
case "writable":
return "writable";
case null:
case false:
case "false":
case "readable":
case "readonly":
return "readonly";
default:
throw new Error(`'${configuredValue}' is not a valid configuration for a global (use 'readonly', 'writable', or 'off')`);
}
}
};

View File

@ -0,0 +1,324 @@
/**
* @fileoverview Validates configs.
* @author Brandon Mills
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const
util = require("util"),
configSchema = require("../../conf/config-schema"),
BuiltInEnvironments = require("../../conf/environments"),
ConfigOps = require("./config-ops"),
{ emitDeprecationWarning } = require("./deprecation-warnings");
const ajv = require("./ajv")();
const ruleValidators = new WeakMap();
const noop = Function.prototype;
//------------------------------------------------------------------------------
// Private
//------------------------------------------------------------------------------
let validateSchema;
const severityMap = {
error: 2,
warn: 1,
off: 0
};
const validated = new WeakSet();
//-----------------------------------------------------------------------------
// Exports
//-----------------------------------------------------------------------------
module.exports = class ConfigValidator {
constructor({ builtInRules = new Map() } = {}) {
this.builtInRules = builtInRules;
}
/**
* Gets a complete options schema for a rule.
* @param {{create: Function, schema: (Array|null)}} rule A new-style rule object
* @returns {Object} JSON Schema for the rule's options.
*/
getRuleOptionsSchema(rule) {
if (!rule) {
return null;
}
const schema = rule.schema || rule.meta && rule.meta.schema;
// Given a tuple of schemas, insert warning level at the beginning
if (Array.isArray(schema)) {
if (schema.length) {
return {
type: "array",
items: schema,
minItems: 0,
maxItems: schema.length
};
}
return {
type: "array",
minItems: 0,
maxItems: 0
};
}
// Given a full schema, leave it alone
return schema || null;
}
/**
* Validates a rule's severity and returns the severity value. Throws an error if the severity is invalid.
* @param {options} options The given options for the rule.
* @returns {number|string} The rule's severity value
*/
validateRuleSeverity(options) {
const severity = Array.isArray(options) ? options[0] : options;
const normSeverity = typeof severity === "string" ? severityMap[severity.toLowerCase()] : severity;
if (normSeverity === 0 || normSeverity === 1 || normSeverity === 2) {
return normSeverity;
}
throw new Error(`\tSeverity should be one of the following: 0 = off, 1 = warn, 2 = error (you passed '${util.inspect(severity).replace(/'/gu, "\"").replace(/\n/gu, "")}').\n`);
}
/**
* Validates the non-severity options passed to a rule, based on its schema.
* @param {{create: Function}} rule The rule to validate
* @param {Array} localOptions The options for the rule, excluding severity
* @returns {void}
*/
validateRuleSchema(rule, localOptions) {
if (!ruleValidators.has(rule)) {
const schema = this.getRuleOptionsSchema(rule);
if (schema) {
ruleValidators.set(rule, ajv.compile(schema));
}
}
const validateRule = ruleValidators.get(rule);
if (validateRule) {
validateRule(localOptions);
if (validateRule.errors) {
throw new Error(validateRule.errors.map(
error => `\tValue ${JSON.stringify(error.data)} ${error.message}.\n`
).join(""));
}
}
}
/**
* Validates a rule's options against its schema.
* @param {{create: Function}|null} rule The rule that the config is being validated for
* @param {string} ruleId The rule's unique name.
* @param {Array|number} options The given options for the rule.
* @param {string|null} source The name of the configuration source to report in any errors. If null or undefined,
* no source is prepended to the message.
* @returns {void}
*/
validateRuleOptions(rule, ruleId, options, source = null) {
try {
const severity = this.validateRuleSeverity(options);
if (severity !== 0) {
this.validateRuleSchema(rule, Array.isArray(options) ? options.slice(1) : []);
}
} catch (err) {
const enhancedMessage = `Configuration for rule "${ruleId}" is invalid:\n${err.message}`;
if (typeof source === "string") {
throw new Error(`${source}:\n\t${enhancedMessage}`);
} else {
throw new Error(enhancedMessage);
}
}
}
/**
* Validates an environment object
* @param {Object} environment The environment config object to validate.
* @param {string} source The name of the configuration source to report in any errors.
* @param {function(envId:string): Object} [getAdditionalEnv] A map from strings to loaded environments.
* @returns {void}
*/
validateEnvironment(
environment,
source,
getAdditionalEnv = noop
) {
// not having an environment is ok
if (!environment) {
return;
}
Object.keys(environment).forEach(id => {
const env = getAdditionalEnv(id) || BuiltInEnvironments.get(id) || null;
if (!env) {
const message = `${source}:\n\tEnvironment key "${id}" is unknown\n`;
throw new Error(message);
}
});
}
/**
* Validates a rules config object
* @param {Object} rulesConfig The rules config object to validate.
* @param {string} source The name of the configuration source to report in any errors.
* @param {function(ruleId:string): Object} getAdditionalRule A map from strings to loaded rules
* @returns {void}
*/
validateRules(
rulesConfig,
source,
getAdditionalRule = noop
) {
if (!rulesConfig) {
return;
}
Object.keys(rulesConfig).forEach(id => {
const rule = getAdditionalRule(id) || this.builtInRules.get(id) || null;
this.validateRuleOptions(rule, id, rulesConfig[id], source);
});
}
/**
* Validates a `globals` section of a config file
* @param {Object} globalsConfig The `globals` section
* @param {string|null} source The name of the configuration source to report in the event of an error.
* @returns {void}
*/
validateGlobals(globalsConfig, source = null) {
if (!globalsConfig) {
return;
}
Object.entries(globalsConfig)
.forEach(([configuredGlobal, configuredValue]) => {
try {
ConfigOps.normalizeConfigGlobal(configuredValue);
} catch (err) {
throw new Error(`ESLint configuration of global '${configuredGlobal}' in ${source} is invalid:\n${err.message}`);
}
});
}
/**
* Validate `processor` configuration.
* @param {string|undefined} processorName The processor name.
* @param {string} source The name of config file.
* @param {function(id:string): Processor} getProcessor The getter of defined processors.
* @returns {void}
*/
validateProcessor(processorName, source, getProcessor) {
if (processorName && !getProcessor(processorName)) {
throw new Error(`ESLint configuration of processor in '${source}' is invalid: '${processorName}' was not found.`);
}
}
/**
* Formats an array of schema validation errors.
* @param {Array} errors An array of error messages to format.
* @returns {string} Formatted error message
*/
formatErrors(errors) {
return errors.map(error => {
if (error.keyword === "additionalProperties") {
const formattedPropertyPath = error.dataPath.length ? `${error.dataPath.slice(1)}.${error.params.additionalProperty}` : error.params.additionalProperty;
return `Unexpected top-level property "${formattedPropertyPath}"`;
}
if (error.keyword === "type") {
const formattedField = error.dataPath.slice(1);
const formattedExpectedType = Array.isArray(error.schema) ? error.schema.join("/") : error.schema;
const formattedValue = JSON.stringify(error.data);
return `Property "${formattedField}" is the wrong type (expected ${formattedExpectedType} but got \`${formattedValue}\`)`;
}
const field = error.dataPath[0] === "." ? error.dataPath.slice(1) : error.dataPath;
return `"${field}" ${error.message}. Value: ${JSON.stringify(error.data)}`;
}).map(message => `\t- ${message}.\n`).join("");
}
/**
* Validates the top level properties of the config object.
* @param {Object} config The config object to validate.
* @param {string} source The name of the configuration source to report in any errors.
* @returns {void}
*/
validateConfigSchema(config, source = null) {
validateSchema = this.validateSchema || ajv.compile(configSchema);
if (!validateSchema(config)) {
throw new Error(`ESLint configuration in ${source} is invalid:\n${this.formatErrors(validateSchema.errors)}`);
}
if (Object.hasOwnProperty.call(config, "ecmaFeatures")) {
emitDeprecationWarning(source, "ESLINT_LEGACY_ECMAFEATURES");
}
}
/**
* Validates an entire config object.
* @param {Object} config The config object to validate.
* @param {string} source The name of the configuration source to report in any errors.
* @param {function(ruleId:string): Object} [getAdditionalRule] A map from strings to loaded rules.
* @param {function(envId:string): Object} [getAdditionalEnv] A map from strings to loaded envs.
* @returns {void}
*/
validate(config, source, getAdditionalRule, getAdditionalEnv) {
this.validateConfigSchema(config, source);
this.validateRules(config.rules, source, getAdditionalRule);
this.validateEnvironment(config.env, source, getAdditionalEnv);
this.validateGlobals(config.globals, source);
for (const override of config.overrides || []) {
this.validateRules(override.rules, source, getAdditionalRule);
this.validateEnvironment(override.env, source, getAdditionalEnv);
this.validateGlobals(config.globals, source);
}
}
/**
* Validate config array object.
* @param {ConfigArray} configArray The config array to validate.
* @returns {void}
*/
validateConfigArray(configArray) {
const getPluginEnv = Map.prototype.get.bind(configArray.pluginEnvironments);
const getPluginProcessor = Map.prototype.get.bind(configArray.pluginProcessors);
const getPluginRule = Map.prototype.get.bind(configArray.pluginRules);
// Validate.
for (const element of configArray) {
if (validated.has(element)) {
continue;
}
validated.add(element);
this.validateEnvironment(element.env, element.name, getPluginEnv);
this.validateGlobals(element.globals, element.name);
this.validateProcessor(element.processor, element.name, getPluginProcessor);
this.validateRules(element.rules, element.name, getPluginRule);
}
}
};

View File

@ -0,0 +1,56 @@
/**
* @fileoverview Provide the function that emits deprecation warnings.
* @author Toru Nagashima <http://github.com/mysticatea>
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const path = require("path");
const lodash = require("lodash");
//------------------------------------------------------------------------------
// Private
//------------------------------------------------------------------------------
// Defitions for deprecation warnings.
const deprecationWarningMessages = {
ESLINT_LEGACY_ECMAFEATURES:
"The 'ecmaFeatures' config file property is deprecated and has no effect.",
ESLINT_PERSONAL_CONFIG_LOAD:
"'~/.eslintrc.*' config files have been deprecated. " +
"Please use a config file per project or the '--config' option.",
ESLINT_PERSONAL_CONFIG_SUPPRESS:
"'~/.eslintrc.*' config files have been deprecated. " +
"Please remove it or add 'root:true' to the config files in your " +
"projects in order to avoid loading '~/.eslintrc.*' accidentally."
};
/**
* Emits a deprecation warning containing a given filepath. A new deprecation warning is emitted
* for each unique file path, but repeated invocations with the same file path have no effect.
* No warnings are emitted if the `--no-deprecation` or `--no-warnings` Node runtime flags are active.
* @param {string} source The name of the configuration source to report the warning for.
* @param {string} errorCode The warning message to show.
* @returns {void}
*/
const emitDeprecationWarning = lodash.memoize((source, errorCode) => {
const rel = path.relative(process.cwd(), source);
const message = deprecationWarningMessages[errorCode];
process.emitWarning(
`${message} (found in "${rel}")`,
"DeprecationWarning",
errorCode
);
}, (...args) => JSON.stringify(args));
//------------------------------------------------------------------------------
// Public Interface
//------------------------------------------------------------------------------
module.exports = {
emitDeprecationWarning
};

View File

@ -0,0 +1,97 @@
/**
* @fileoverview Common helpers for naming of plugins, formatters and configs
*/
"use strict";
const NAMESPACE_REGEX = /^@.*\//iu;
/**
* Brings package name to correct format based on prefix
* @param {string} name The name of the package.
* @param {string} prefix Can be either "eslint-plugin", "eslint-config" or "eslint-formatter"
* @returns {string} Normalized name of the package
* @private
*/
function normalizePackageName(name, prefix) {
let normalizedName = name;
/**
* On Windows, name can come in with Windows slashes instead of Unix slashes.
* Normalize to Unix first to avoid errors later on.
* https://github.com/eslint/eslint/issues/5644
*/
if (normalizedName.includes("\\")) {
normalizedName = normalizedName.replace(/\\/gu, "/");
}
if (normalizedName.charAt(0) === "@") {
/**
* it's a scoped package
* package name is the prefix, or just a username
*/
const scopedPackageShortcutRegex = new RegExp(`^(@[^/]+)(?:/(?:${prefix})?)?$`, "u"),
scopedPackageNameRegex = new RegExp(`^${prefix}(-|$)`, "u");
if (scopedPackageShortcutRegex.test(normalizedName)) {
normalizedName = normalizedName.replace(scopedPackageShortcutRegex, `$1/${prefix}`);
} else if (!scopedPackageNameRegex.test(normalizedName.split("/")[1])) {
/**
* for scoped packages, insert the prefix after the first / unless
* the path is already @scope/eslint or @scope/eslint-xxx-yyy
*/
normalizedName = normalizedName.replace(/^@([^/]+)\/(.*)$/u, `@$1/${prefix}-$2`);
}
} else if (!normalizedName.startsWith(`${prefix}-`)) {
normalizedName = `${prefix}-${normalizedName}`;
}
return normalizedName;
}
/**
* Removes the prefix from a fullname.
* @param {string} fullname The term which may have the prefix.
* @param {string} prefix The prefix to remove.
* @returns {string} The term without prefix.
*/
function getShorthandName(fullname, prefix) {
if (fullname[0] === "@") {
let matchResult = new RegExp(`^(@[^/]+)/${prefix}$`, "u").exec(fullname);
if (matchResult) {
return matchResult[1];
}
matchResult = new RegExp(`^(@[^/]+)/${prefix}-(.+)$`, "u").exec(fullname);
if (matchResult) {
return `${matchResult[1]}/${matchResult[2]}`;
}
} else if (fullname.startsWith(`${prefix}-`)) {
return fullname.slice(prefix.length + 1);
}
return fullname;
}
/**
* Gets the scope (namespace) of a term.
* @param {string} term The term which may have the namespace.
* @returns {string} The namespace of the term if it has one.
*/
function getNamespaceFromTerm(term) {
const match = term.match(NAMESPACE_REGEX);
return match ? match[0] : "";
}
//------------------------------------------------------------------------------
// Public Interface
//------------------------------------------------------------------------------
module.exports = {
normalizePackageName,
getShorthandName,
getNamespaceFromTerm
};

View File

@ -0,0 +1,44 @@
/**
* Utility for resolving a module relative to another module
* @author Teddy Katz
*/
"use strict";
const Module = require("module");
/*
* `Module.createRequire` is added in v12.2.0. It supports URL as well.
* We only support the case where the argument is a filepath, not a URL.
*/
// eslint-disable-next-line node/no-unsupported-features/node-builtins, node/no-deprecated-api
const createRequire = Module.createRequire || Module.createRequireFromPath;
module.exports = {
/**
* Resolves a Node module relative to another module
* @param {string} moduleName The name of a Node module, or a path to a Node module.
* @param {string} relativeToPath An absolute path indicating the module that `moduleName` should be resolved relative to. This must be
* a file rather than a directory, but the file need not actually exist.
* @returns {string} The absolute path that would result from calling `require.resolve(moduleName)` in a file located at `relativeToPath`
*/
resolve(moduleName, relativeToPath) {
try {
return createRequire(relativeToPath).resolve(moduleName);
} catch (error) {
// This `if` block is for older Node.js than 12.0.0. We can remove this block in the future.
if (
typeof error === "object" &&
error !== null &&
error.code === "MODULE_NOT_FOUND" &&
!error.requireStack &&
error.message.includes(moduleName)
) {
error.message += `\nRequire stack:\n- ${relativeToPath}`;
}
throw error;
}
}
};