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- import path from "path";
- 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();
- 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
- );
- }
- export {
- emitDeprecationWarning
- };
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