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Current File : /var/www/html/node_modules/eslint/lib/shared/deprecation-warnings.js |
/** * @fileoverview Provide the function that emits deprecation warnings. * @author Toru Nagashima <http://github.com/mysticatea> */ "use strict"; //------------------------------------------------------------------------------ // Requirements //------------------------------------------------------------------------------ const path = require("path"); //------------------------------------------------------------------------------ // Private //------------------------------------------------------------------------------ // Definitions 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." }; const sourceFileErrorCache = new Set(); /** * 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} */ function emitDeprecationWarning(source, errorCode) { const cacheKey = JSON.stringify({ source, errorCode }); if (sourceFileErrorCache.has(cacheKey)) { return; } sourceFileErrorCache.add(cacheKey); const rel = path.relative(process.cwd(), source); const message = deprecationWarningMessages[errorCode]; process.emitWarning( `${message} (found in "${rel}")`, "DeprecationWarning", errorCode ); } //------------------------------------------------------------------------------ // Public Interface //------------------------------------------------------------------------------ module.exports = { emitDeprecationWarning };