Spaces:
Runtime error
Runtime error
/** | |
* @fileoverview Provide the function that emits deprecation warnings. | |
* @author Toru Nagashima <http://github.com/mysticatea> | |
*/ | |
; | |
//------------------------------------------------------------------------------ | |
// 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 | |
}; | |