Updating NPM dependencies

node_modules/@babel/core/lib/config/caching.js

@@ -182,6 +182,7 @@ class CacheConfigurator {
     this._invalidate = false;
     this._configured = false;
     this._pairs = [];
+    this._data = void 0;
     this._data = data;
   }
 
@@ -310,6 +311,8 @@ function assertSimpleType(value) {
 class Lock {
   constructor() {
     this.released = false;
+    this.promise = void 0;
+    this._resolve = void 0;
     this.promise = new Promise(resolve => {
       this._resolve = resolve;
     });

node_modules/@babel/core/lib/config/config-chain.js

@@ -31,6 +31,8 @@ var _options = require("./validation/options");
 
 var _patternToRegex = _interopRequireDefault(require("./pattern-to-regex"));
 
+var _printer = require("./printer");
+
 var _files = require("./files");
 
 var _caching = require("./caching");
@@ -47,16 +49,17 @@ function* buildPresetChain(arg, context) {
   return {
     plugins: dedupDescriptors(chain.plugins),
     presets: dedupDescriptors(chain.presets),
-    options: chain.options.map(o => normalizeOptions(o))
+    options: chain.options.map(o => normalizeOptions(o)),
+    files: new Set()
   };
 }
 
 const buildPresetChainWalker = makeChainWalker({
-  init: arg => arg,
   root: preset => loadPresetDescriptors(preset),
   env: (preset, envName) => loadPresetEnvDescriptors(preset)(envName),
   overrides: (preset, index) => loadPresetOverridesDescriptors(preset)(index),
-  overridesEnv: (preset, index, envName) => loadPresetOverridesEnvDescriptors(preset)(index)(envName)
+  overridesEnv: (preset, index, envName) => loadPresetOverridesEnvDescriptors(preset)(index)(envName),
+  createLogger: () => () => {}
 });
 exports.buildPresetChainWalker = buildPresetChainWalker;
 const loadPresetDescriptors = (0, _caching.makeWeakCacheSync)(preset => buildRootDescriptors(preset, preset.alias, _configDescriptors.createUncachedDescriptors));
@@ -65,11 +68,14 @@ const loadPresetOverridesDescriptors = (0, _caching.makeWeakCacheSync)(preset =>
 const loadPresetOverridesEnvDescriptors = (0, _caching.makeWeakCacheSync)(preset => (0, _caching.makeStrongCacheSync)(index => (0, _caching.makeStrongCacheSync)(envName => buildOverrideEnvDescriptors(preset, preset.alias, _configDescriptors.createUncachedDescriptors, index, envName))));
 
 function* buildRootChain(opts, context) {
+  let configReport, babelRcReport;
+  const programmaticLogger = new _printer.ConfigPrinter();
   const programmaticChain = yield* loadProgrammaticChain({
     options: opts,
     dirname: context.cwd
-  }, context);
+  }, context, undefined, programmaticLogger);
   if (!programmaticChain) return null;
+  const programmaticReport = programmaticLogger.output();
   let configFile;
 
   if (typeof opts.configFile === "string") {
@@ -84,11 +90,13 @@ function* buildRootChain(opts, context) {
   } = opts;
   let babelrcRootsDirectory = context.cwd;
   const configFileChain = emptyChain();
+  const configFileLogger = new _printer.ConfigPrinter();
 
   if (configFile) {
     const validatedFile = validateConfigFile(configFile);
-    const result = yield* loadFileChain(validatedFile, context);
+    const result = yield* loadFileChain(validatedFile, context, undefined, configFileLogger);
     if (!result) return null;
+    configReport = configFileLogger.output();
 
     if (babelrc === undefined) {
       babelrc = validatedFile.options.babelrc;
@@ -104,6 +112,7 @@ function* buildRootChain(opts, context) {
 
   const pkgData = typeof context.filename === "string" ? yield* (0, _files.findPackageData)(context.filename) : null;
   let ignoreFile, babelrcFile;
+  let isIgnored = false;
   const fileChain = emptyChain();
 
   if ((babelrc === true || babelrc === undefined) && pkgData && babelrcLoadEnabled(context, pkgData, babelrcRoots, babelrcRootsDirectory)) {
@@ -112,25 +121,47 @@ function* buildRootChain(opts, context) {
       config: babelrcFile
     } = yield* (0, _files.findRelativeConfig)(pkgData, context.envName, context.caller));
 
-    if (ignoreFile && shouldIgnore(context, ignoreFile.ignore, null, ignoreFile.dirname)) {
-      return null;
+    if (ignoreFile) {
+      fileChain.files.add(ignoreFile.filepath);
     }
 
-    if (babelrcFile) {
-      const result = yield* loadFileChain(validateBabelrcFile(babelrcFile), context);
-      if (!result) return null;
-      mergeChain(fileChain, result);
+    if (ignoreFile && shouldIgnore(context, ignoreFile.ignore, null, ignoreFile.dirname)) {
+      isIgnored = true;
     }
+
+    if (babelrcFile && !isIgnored) {
+      const validatedFile = validateBabelrcFile(babelrcFile);
+      const babelrcLogger = new _printer.ConfigPrinter();
+      const result = yield* loadFileChain(validatedFile, context, undefined, babelrcLogger);
+
+      if (!result) {
+        isIgnored = true;
+      } else {
+        babelRcReport = babelrcLogger.output();
+        mergeChain(fileChain, result);
+      }
+    }
+
+    if (babelrcFile && isIgnored) {
+      fileChain.files.add(babelrcFile.filepath);
+    }
+  }
+
+  if (context.showConfig) {
+    console.log(`Babel configs on "${context.filename}" (ascending priority):\n` + [configReport, babelRcReport, programmaticReport].filter(x => !!x).join("\n\n"));
+    return null;
   }
 
   const chain = mergeChain(mergeChain(mergeChain(emptyChain(), configFileChain), fileChain), programmaticChain);
   return {
-    plugins: dedupDescriptors(chain.plugins),
-    presets: dedupDescriptors(chain.presets),
-    options: chain.options.map(o => normalizeOptions(o)),
+    plugins: isIgnored ? [] : dedupDescriptors(chain.plugins),
+    presets: isIgnored ? [] : dedupDescriptors(chain.presets),
+    options: isIgnored ? [] : chain.options.map(o => normalizeOptions(o)),
+    fileHandling: isIgnored ? "ignored" : "transpile",
     ignore: ignoreFile || undefined,
     babelrc: babelrcFile || undefined,
-    config: configFile || undefined
+    config: configFile || undefined,
+    files: chain.files
   };
 }
 
@@ -182,19 +213,42 @@ const loadProgrammaticChain = makeChainWalker({
   root: input => buildRootDescriptors(input, "base", _configDescriptors.createCachedDescriptors),
   env: (input, envName) => buildEnvDescriptors(input, "base", _configDescriptors.createCachedDescriptors, envName),
   overrides: (input, index) => buildOverrideDescriptors(input, "base", _configDescriptors.createCachedDescriptors, index),
-  overridesEnv: (input, index, envName) => buildOverrideEnvDescriptors(input, "base", _configDescriptors.createCachedDescriptors, index, envName)
+  overridesEnv: (input, index, envName) => buildOverrideEnvDescriptors(input, "base", _configDescriptors.createCachedDescriptors, index, envName),
+  createLogger: (input, context, baseLogger) => buildProgrammaticLogger(input, context, baseLogger)
 });
-const loadFileChain = makeChainWalker({
+const loadFileChainWalker = makeChainWalker({
   root: file => loadFileDescriptors(file),
   env: (file, envName) => loadFileEnvDescriptors(file)(envName),
   overrides: (file, index) => loadFileOverridesDescriptors(file)(index),
-  overridesEnv: (file, index, envName) => loadFileOverridesEnvDescriptors(file)(index)(envName)
+  overridesEnv: (file, index, envName) => loadFileOverridesEnvDescriptors(file)(index)(envName),
+  createLogger: (file, context, baseLogger) => buildFileLogger(file.filepath, context, baseLogger)
 });
+
+function* loadFileChain(input, context, files, baseLogger) {
+  const chain = yield* loadFileChainWalker(input, context, files, baseLogger);
+
+  if (chain) {
+    chain.files.add(input.filepath);
+  }
+
+  return chain;
+}
+
 const loadFileDescriptors = (0, _caching.makeWeakCacheSync)(file => buildRootDescriptors(file, file.filepath, _configDescriptors.createUncachedDescriptors));
 const loadFileEnvDescriptors = (0, _caching.makeWeakCacheSync)(file => (0, _caching.makeStrongCacheSync)(envName => buildEnvDescriptors(file, file.filepath, _configDescriptors.createUncachedDescriptors, envName)));
 const loadFileOverridesDescriptors = (0, _caching.makeWeakCacheSync)(file => (0, _caching.makeStrongCacheSync)(index => buildOverrideDescriptors(file, file.filepath, _configDescriptors.createUncachedDescriptors, index)));
 const loadFileOverridesEnvDescriptors = (0, _caching.makeWeakCacheSync)(file => (0, _caching.makeStrongCacheSync)(index => (0, _caching.makeStrongCacheSync)(envName => buildOverrideEnvDescriptors(file, file.filepath, _configDescriptors.createUncachedDescriptors, index, envName))));
 
+function buildFileLogger(filepath, context, baseLogger) {
+  if (!baseLogger) {
+    return () => {};
+  }
+
+  return baseLogger.configure(context.showConfig, _printer.ChainFormatter.Config, {
+    filepath
+  });
+}
+
 function buildRootDescriptors({
   dirname,
   options
@@ -202,6 +256,18 @@ function buildRootDescriptors({
   return descriptors(dirname, options, alias);
 }
 
+function buildProgrammaticLogger(_, context, baseLogger) {
+  var _context$caller;
+
+  if (!baseLogger) {
+    return () => {};
+  }
+
+  return baseLogger.configure(context.showConfig, _printer.ChainFormatter.Programmatic, {
+    callerName: (_context$caller = context.caller) == null ? void 0 : _context$caller.name
+  });
+}
+
 function buildEnvDescriptors({
   dirname,
   options
@@ -233,9 +299,10 @@ function makeChainWalker({
   root,
   env,
   overrides,
-  overridesEnv
+  overridesEnv,
+  createLogger
 }) {
-  return function* (input, context, files = new Set()) {
+  return function* (input, context, files = new Set(), baseLogger) {
     const {
       dirname
     } = input;
@@ -243,51 +310,75 @@ function makeChainWalker({
     const rootOpts = root(input);
 
     if (configIsApplicable(rootOpts, dirname, context)) {
-      flattenedConfigs.push(rootOpts);
+      flattenedConfigs.push({
+        config: rootOpts,
+        envName: undefined,
+        index: undefined
+      });
       const envOpts = env(input, context.envName);
 
       if (envOpts && configIsApplicable(envOpts, dirname, context)) {
-        flattenedConfigs.push(envOpts);
+        flattenedConfigs.push({
+          config: envOpts,
+          envName: context.envName,
+          index: undefined
+        });
       }
 
       (rootOpts.options.overrides || []).forEach((_, index) => {
         const overrideOps = overrides(input, index);
 
         if (configIsApplicable(overrideOps, dirname, context)) {
-          flattenedConfigs.push(overrideOps);
+          flattenedConfigs.push({
+            config: overrideOps,
+            index,
+            envName: undefined
+          });
           const overrideEnvOpts = overridesEnv(input, index, context.envName);
 
           if (overrideEnvOpts && configIsApplicable(overrideEnvOpts, dirname, context)) {
-            flattenedConfigs.push(overrideEnvOpts);
+            flattenedConfigs.push({
+              config: overrideEnvOpts,
+              index,
+              envName: context.envName
+            });
           }
         }
       });
     }
 
     if (flattenedConfigs.some(({
-      options: {
-        ignore,
-        only
+      config: {
+        options: {
+          ignore,
+          only
+        }
       }
     }) => shouldIgnore(context, ignore, only, dirname))) {
       return null;
     }
 
     const chain = emptyChain();
+    const logger = createLogger(input, context, baseLogger);
 
-    for (const op of flattenedConfigs) {
-      if (!(yield* mergeExtendsChain(chain, op.options, dirname, context, files))) {
+    for (const {
+      config,
+      index,
+      envName
+    } of flattenedConfigs) {
+      if (!(yield* mergeExtendsChain(chain, config.options, dirname, context, files, baseLogger))) {
         return null;
       }
 
-      mergeChainOpts(chain, op);
+      logger(config, index, envName);
+      mergeChainOpts(chain, config);
     }
 
     return chain;
   };
 }
 
-function* mergeExtendsChain(chain, opts, dirname, context, files) {
+function* mergeExtendsChain(chain, opts, dirname, context, files, baseLogger) {
   if (opts.extends === undefined) return true;
   const file = yield* (0, _files.loadConfig)(opts.extends, dirname, context.envName, context.caller);
 
@@ -296,7 +387,7 @@ function* mergeExtendsChain(chain, opts, dirname, context, files) {
   }
 
   files.add(file);
-  const fileChain = yield* loadFileChain(validateExtendFile(file), context, files);
+  const fileChain = yield* loadFileChain(validateExtendFile(file), context, files, baseLogger);
   files.delete(file);
   if (!fileChain) return false;
   mergeChain(chain, fileChain);
@@ -307,6 +398,11 @@ function mergeChain(target, source) {
   target.options.push(...source.options);
   target.plugins.push(...source.plugins);
   target.presets.push(...source.presets);
+
+  for (const file of source.files) {
+    target.files.add(file);
+  }
+
   return target;
 }
 
@@ -325,7 +421,8 @@ function emptyChain() {
   return {
     options: [],
     presets: [],
-    plugins: []
+    plugins: [],
+    files: new Set()
   };
 }
 
@@ -402,12 +499,28 @@ function configFieldIsApplicable(context, test, dirname) {
 
 function shouldIgnore(context, ignore, only, dirname) {
   if (ignore && matchesPatterns(context, ignore, dirname)) {
-    debug("Ignored %o because it matched one of %O from %o", context.filename, ignore, dirname);
+    var _context$filename;
+
+    const message = `No config is applied to "${(_context$filename = context.filename) != null ? _context$filename : "(unknown)"}" because it matches one of \`ignore: ${JSON.stringify(ignore)}\` from "${dirname}"`;
+    debug(message);
+
+    if (context.showConfig) {
+      console.log(message);
+    }
+
     return true;
   }
 
   if (only && !matchesPatterns(context, only, dirname)) {
-    debug("Ignored %o because it failed to match one of %O from %o", context.filename, only, dirname);
+    var _context$filename2;
+
+    const message = `No config is applied to "${(_context$filename2 = context.filename) != null ? _context$filename2 : "(unknown)"}" because it fails to match one of \`only: ${JSON.stringify(only)}\` from "${dirname}"`;
+    debug(message);
+
+    if (context.showConfig) {
+      console.log(message);
+    }
+
     return true;
   }
 

node_modules/@babel/core/lib/config/files/configuration.js

@@ -7,6 +7,7 @@ exports.findConfigUpwards = findConfigUpwards;
 exports.findRelativeConfig = findRelativeConfig;
 exports.findRootConfig = findRootConfig;
 exports.loadConfig = loadConfig;
+exports.resolveShowConfigPath = resolveShowConfigPath;
 exports.ROOT_CONFIG_FILENAMES = void 0;
 
 function _debug() {
@@ -102,7 +103,9 @@ function* findRelativeConfig(packageData, envName, caller) {
 
   for (const loc of packageData.directories) {
     if (!config) {
-      config = yield* loadOneConfig(RELATIVE_CONFIG_FILENAMES, loc, envName, caller, packageData.pkg && packageData.pkg.dirname === loc ? packageToBabelConfig(packageData.pkg) : null);
+      var _packageData$pkg;
+
+      config = yield* loadOneConfig(RELATIVE_CONFIG_FILENAMES, loc, envName, caller, ((_packageData$pkg = packageData.pkg) == null ? void 0 : _packageData$pkg.dirname) === loc ? packageToBabelConfig(packageData.pkg) : null);
     }
 
     if (!ignore) {
@@ -276,6 +279,24 @@ const readIgnoreConfig = (0, _utils.makeStaticFileCache)((filepath, content) =>
   };
 });
 
+function* resolveShowConfigPath(dirname) {
+  const targetPath = process.env.BABEL_SHOW_CONFIG_FOR;
+
+  if (targetPath != null) {
+    const absolutePath = _path().default.resolve(dirname, targetPath);
+
+    const stats = yield* fs.stat(absolutePath);
+
+    if (!stats.isFile()) {
+      throw new Error(`${absolutePath}: BABEL_SHOW_CONFIG_FOR must refer to a regular file, directories are not supported.`);
+    }
+
+    return absolutePath;
+  }
+
+  return null;
+}
+
 function throwConfigError() {
   throw new Error(`\
 Caching was left unconfigured. Babel's plugins, presets, and .babelrc.js files can be configured

node_modules/@babel/core/lib/config/files/index-browser.js

@@ -8,6 +8,7 @@ exports.findPackageData = findPackageData;
 exports.findRelativeConfig = findRelativeConfig;
 exports.findRootConfig = findRootConfig;
 exports.loadConfig = loadConfig;
+exports.resolveShowConfigPath = resolveShowConfigPath;
 exports.resolvePlugin = resolvePlugin;
 exports.resolvePreset = resolvePreset;
 exports.loadPlugin = loadPlugin;
@@ -43,6 +44,10 @@ function* loadConfig(name, dirname, envName, caller) {
   throw new Error(`Cannot load ${name} relative to ${dirname} in a browser`);
 }
 
+function* resolveShowConfigPath(dirname) {
+  return null;
+}
+
 const ROOT_CONFIG_FILENAMES = [];
 exports.ROOT_CONFIG_FILENAMES = ROOT_CONFIG_FILENAMES;
 

node_modules/@babel/core/lib/config/files/index.js

@@ -33,6 +33,12 @@ Object.defineProperty(exports, "loadConfig", {
     return _configuration.loadConfig;
   }
 });
+Object.defineProperty(exports, "resolveShowConfigPath", {
+  enumerable: true,
+  get: function () {
+    return _configuration.resolveShowConfigPath;
+  }
+});
 Object.defineProperty(exports, "ROOT_CONFIG_FILENAMES", {
   enumerable: true,
   get: function () {

node_modules/@babel/core/lib/config/files/module-types.js

@@ -17,6 +17,16 @@ function _path() {
   return data;
 }
 
+function _url() {
+  const data = require("url");
+
+  _url = function () {
+    return data;
+  };
+
+  return data;
+}
+
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
 function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
@@ -79,7 +89,7 @@ function _loadMjsDefault() {
       throw new Error("Internal error: Native ECMAScript modules aren't supported" + " by this platform.\n");
     }
 
-    const module = yield import_(filepath);
+    const module = yield import_((0, _url().pathToFileURL)(filepath));
     return module.default;
   });
   return _loadMjsDefault.apply(this, arguments);

node_modules/@babel/core/lib/config/files/package.js

@@ -60,6 +60,8 @@ const readConfigPackage = (0, _utils.makeStaticFileCache)((filepath, content) =>
     throw err;
   }
 
+  if (!options) throw new Error(`${filepath}: No config detected`);
+
   if (typeof options !== "object") {
     throw new Error(`${filepath}: Config returned typeof ${typeof options}`);
   }

node_modules/@babel/core/lib/config/files/plugins.js

@@ -113,7 +113,7 @@ function resolveStandardizedName(type, name, dirname = process.cwd()) {
         });
 
         resolvedOriginal = true;
-      } catch (e2) {}
+      } catch (_unused) {}
 
       if (resolvedOriginal) {
         e.message += `\n- If you want to resolve "${name}", use "module:${name}"`;
@@ -128,7 +128,7 @@ function resolveStandardizedName(type, name, dirname = process.cwd()) {
       });
 
       resolvedBabel = true;
-    } catch (e2) {}
+    } catch (_unused2) {}
 
     if (resolvedBabel) {
       e.message += `\n- Did you mean "@babel/${name}"?`;
@@ -143,7 +143,7 @@ function resolveStandardizedName(type, name, dirname = process.cwd()) {
       });
 
       resolvedOppositeType = true;
-    } catch (e2) {}
+    } catch (_unused3) {}
 
     if (resolvedOppositeType) {
       e.message += `\n- Did you accidentally pass a ${oppositeType} as a ${type}?`;

node_modules/@babel/core/lib/config/files/utils.js

@@ -30,11 +30,10 @@ function makeStaticFileCache(fn) {
     const cached = cache.invalidate(() => fileMtime(filepath));
 
     if (cached === null) {
-      cache.forever();
       return null;
     }
 
-    return fn(filepath, (yield* fs.readFile(filepath, "utf8")));
+    return fn(filepath, yield* fs.readFile(filepath, "utf8"));
   });
 }
 

node_modules/@babel/core/lib/config/full.js

@@ -62,114 +62,111 @@ var _default = (0, _gensync().default)(function* loadFullConfig(inputOpts) {
 
   const {
     options,
-    context
+    context,
+    fileHandling
   } = result;
-  const optionDefaults = {};
-  const passes = [[]];
 
-  try {
-    const {
-      plugins,
-      presets
-    } = options;
-
-    if (!plugins || !presets) {
-      throw new Error("Assertion failure - plugins and presets exist");
-    }
-
-    const ignored = yield* function* recurseDescriptors(config, pass) {
-      const plugins = [];
-
-      for (let i = 0; i < config.plugins.length; i++) {
-        const descriptor = config.plugins[i];
-
-        if (descriptor.options !== false) {
-          try {
-            plugins.push((yield* loadPluginDescriptor(descriptor, context)));
-          } catch (e) {
-            if (i > 0 && e.code === "BABEL_UNKNOWN_PLUGIN_PROPERTY") {
-              (0, _options.checkNoUnwrappedItemOptionPairs)(config.plugins[i - 1], descriptor, "plugin", i, e);
-            }
-
-            throw e;
-          }
-        }
-      }
-
-      const presets = [];
-
-      for (let i = 0; i < config.presets.length; i++) {
-        const descriptor = config.presets[i];
-
-        if (descriptor.options !== false) {
-          try {
-            presets.push({
-              preset: yield* loadPresetDescriptor(descriptor, context),
-              pass: descriptor.ownPass ? [] : pass
-            });
-          } catch (e) {
-            if (i > 0 && e.code === "BABEL_UNKNOWN_OPTION") {
-              (0, _options.checkNoUnwrappedItemOptionPairs)(config.presets[i - 1], descriptor, "preset", i, e);
-            }
-
-            throw e;
-          }
-        }
-      }
-
-      if (presets.length > 0) {
-        passes.splice(1, 0, ...presets.map(o => o.pass).filter(p => p !== pass));
-
-        for (const {
-          preset,
-          pass
-        } of presets) {
-          if (!preset) return true;
-          const ignored = yield* recurseDescriptors({
-            plugins: preset.plugins,
-            presets: preset.presets
-          }, pass);
-          if (ignored) return true;
-          preset.options.forEach(opts => {
-            (0, _util.mergeOptions)(optionDefaults, opts);
-          });
-        }
-      }
-
-      if (plugins.length > 0) {
-        pass.unshift(...plugins);
-      }
-    }({
-      plugins: plugins.map(item => {
-        const desc = (0, _item.getItemDescriptor)(item);
-
-        if (!desc) {
-          throw new Error("Assertion failure - must be config item");
-        }
-
-        return desc;
-      }),
-      presets: presets.map(item => {
-        const desc = (0, _item.getItemDescriptor)(item);
-
-        if (!desc) {
-          throw new Error("Assertion failure - must be config item");
-        }
-
-        return desc;
-      })
-    }, passes[0]);
-    if (ignored) return null;
-  } catch (e) {
-    if (!/^\[BABEL\]/.test(e.message)) {
-      e.message = `[BABEL] ${context.filename || "unknown"}: ${e.message}`;
-    }
-
-    throw e;
+  if (fileHandling === "ignored") {
+    return null;
   }
 
+  const optionDefaults = {};
+  const {
+    plugins,
+    presets
+  } = options;
+
+  if (!plugins || !presets) {
+    throw new Error("Assertion failure - plugins and presets exist");
+  }
+
+  const toDescriptor = item => {
+    const desc = (0, _item.getItemDescriptor)(item);
+
+    if (!desc) {
+      throw new Error("Assertion failure - must be config item");
+    }
+
+    return desc;
+  };
+
+  const presetsDescriptors = presets.map(toDescriptor);
+  const initialPluginsDescriptors = plugins.map(toDescriptor);
+  const pluginDescriptorsByPass = [[]];
+  const passes = [];
+  const ignored = yield* enhanceError(context, function* recursePresetDescriptors(rawPresets, pluginDescriptorsPass) {
+    const presets = [];
+
+    for (let i = 0; i < rawPresets.length; i++) {
+      const descriptor = rawPresets[i];
+
+      if (descriptor.options !== false) {
+        try {
+          if (descriptor.ownPass) {
+            presets.push({
+              preset: yield* loadPresetDescriptor(descriptor, context),
+              pass: []
+            });
+          } else {
+            presets.unshift({
+              preset: yield* loadPresetDescriptor(descriptor, context),
+              pass: pluginDescriptorsPass
+            });
+          }
+        } catch (e) {
+          if (e.code === "BABEL_UNKNOWN_OPTION") {
+            (0, _options.checkNoUnwrappedItemOptionPairs)(rawPresets, i, "preset", e);
+          }
+
+          throw e;
+        }
+      }
+    }
+
+    if (presets.length > 0) {
+      pluginDescriptorsByPass.splice(1, 0, ...presets.map(o => o.pass).filter(p => p !== pluginDescriptorsPass));
+
+      for (const {
+        preset,
+        pass
+      } of presets) {
+        if (!preset) return true;
+        pass.push(...preset.plugins);
+        const ignored = yield* recursePresetDescriptors(preset.presets, pass);
+        if (ignored) return true;
+        preset.options.forEach(opts => {
+          (0, _util.mergeOptions)(optionDefaults, opts);
+        });
+      }
+    }
+  })(presetsDescriptors, pluginDescriptorsByPass[0]);
+  if (ignored) return null;
   const opts = optionDefaults;
   (0, _util.mergeOptions)(opts, options);
+  yield* enhanceError(context, function* loadPluginDescriptors() {
+    pluginDescriptorsByPass[0].unshift(...initialPluginsDescriptors);
+
+    for (const descs of pluginDescriptorsByPass) {
+      const pass = [];
+      passes.push(pass);
+
+      for (let i = 0; i < descs.length; i++) {
+        const descriptor = descs[i];
+
+        if (descriptor.options !== false) {
+          try {
+            pass.push(yield* loadPluginDescriptor(descriptor, context));
+          } catch (e) {
+            if (e.code === "BABEL_UNKNOWN_PLUGIN_PROPERTY") {
+              (0, _options.checkNoUnwrappedItemOptionPairs)(descs, i, "plugin", e);
+            }
+
+            throw e;
+          }
+        }
+      }
+    }
+  })();
   opts.plugins = passes[0];
   opts.presets = passes.slice(1).filter(plugins => plugins.length > 0).map(plugins => ({
     plugins
@@ -182,6 +179,21 @@ var _default = (0, _gensync().default)(function* loadFullConfig(inputOpts) {
 });
 
 exports.default = _default;
+
+function enhanceError(context, fn) {
+  return function* (arg1, arg2) {
+    try {
+      return yield* fn(arg1, arg2);
+    } catch (e) {
+      if (!/^\[BABEL\]/.test(e.message)) {
+        e.message = `[BABEL] ${context.filename || "unknown"}: ${e.message}`;
+      }
+
+      throw e;
+    }
+  };
+}
+
 const loadDescriptor = (0, _caching.makeWeakCache)(function* ({
   value,
   options,
@@ -193,7 +205,7 @@ const loadDescriptor = (0, _caching.makeWeakCache)(function* ({
   let item = value;
 
   if (typeof value === "function") {
-    const api = Object.assign({}, context, {}, (0, _configApi.default)(cache));
+    const api = Object.assign({}, context, (0, _configApi.default)(cache));
 
     try {
       item = value(api, options, dirname);
@@ -232,7 +244,7 @@ function* loadPluginDescriptor(descriptor, context) {
     return descriptor.value;
   }
 
-  return yield* instantiatePlugin((yield* loadDescriptor(descriptor, context)), context);
+  return yield* instantiatePlugin(yield* loadDescriptor(descriptor, context), context);
 }
 
 const instantiatePlugin = (0, _caching.makeWeakCache)(function* ({
@@ -289,7 +301,7 @@ const validatePreset = (preset, context, descriptor) => {
 };
 
 function* loadPresetDescriptor(descriptor, context) {
-  const preset = instantiatePreset((yield* loadDescriptor(descriptor, context)));
+  const preset = instantiatePreset(yield* loadDescriptor(descriptor, context));
   validatePreset(preset, context, descriptor);
   return yield* (0, _configChain.buildPresetChain)(preset, context);
 }

node_modules/@babel/core/lib/config/helpers/config-api.js

@@ -47,8 +47,7 @@ function makeAPI(cache) {
     env,
     async: () => false,
     caller,
-    assertVersion,
-    tokTypes: undefined
+    assertVersion
   };
 }
 

node_modules/@babel/core/lib/config/index.js

@@ -28,8 +28,10 @@ var _partial = require("./partial");
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
 const loadOptionsRunner = (0, _gensync().default)(function* (opts) {
+  var _config$options;
+
   const config = yield* (0, _full.default)(opts);
-  return config ? config.options : null;
+  return (_config$options = config == null ? void 0 : config.options) != null ? _config$options : null;
 });
 
 const maybeErrback = runner => (opts, callback) => {

node_modules/@babel/core/lib/config/item.js

@@ -46,6 +46,12 @@ function getItemDescriptor(item) {
 
 class ConfigItem {
   constructor(descriptor) {
+    this._descriptor = void 0;
+    this.value = void 0;
+    this.options = void 0;
+    this.dirname = void 0;
+    this.name = void 0;
+    this.file = void 0;
     this._descriptor = descriptor;
     Object.defineProperty(this, "_descriptor", {
       enumerable: false

node_modules/@babel/core/lib/config/partial.js

@@ -42,6 +42,8 @@ var _files = require("./files");
 
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
+function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
+
 function* resolveRootMode(rootDir, rootMode) {
   switch (rootMode) {
     case "root":
@@ -79,18 +81,22 @@ function* loadPrivatePartialConfig(inputOpts) {
     cwd = ".",
     root: rootDir = ".",
     rootMode = "root",
-    caller
+    caller,
+    cloneInputAst = true
   } = args;
 
   const absoluteCwd = _path().default.resolve(cwd);
 
   const absoluteRootDir = yield* resolveRootMode(_path().default.resolve(absoluteCwd, rootDir), rootMode);
+  const filename = typeof args.filename === "string" ? _path().default.resolve(cwd, args.filename) : undefined;
+  const showConfigPath = yield* (0, _files.resolveShowConfigPath)(absoluteCwd);
   const context = {
-    filename: typeof args.filename === "string" ? _path().default.resolve(cwd, args.filename) : undefined,
+    filename,
     cwd: absoluteCwd,
     root: absoluteRootDir,
     envName,
-    caller
+    caller,
+    showConfig: showConfigPath === filename
   };
   const configChain = yield* (0, _configChain.buildRootChain)(args, context);
   if (!configChain) return null;
@@ -98,6 +104,7 @@ function* loadPrivatePartialConfig(inputOpts) {
   configChain.options.forEach(opts => {
     (0, _util.mergeOptions)(options, opts);
   });
+  options.cloneInputAst = cloneInputAst;
   options.babelrc = false;
   options.configFile = false;
   options.passPerPreset = false;
@@ -110,36 +117,64 @@ function* loadPrivatePartialConfig(inputOpts) {
   return {
     options,
     context,
+    fileHandling: configChain.fileHandling,
     ignore: configChain.ignore,
     babelrc: configChain.babelrc,
-    config: configChain.config
+    config: configChain.config,
+    files: configChain.files
   };
 }
 
-const loadPartialConfig = (0, _gensync().default)(function* (inputOpts) {
-  const result = yield* loadPrivatePartialConfig(inputOpts);
+const loadPartialConfig = (0, _gensync().default)(function* (opts) {
+  let showIgnoredFiles = false;
+
+  if (typeof opts === "object" && opts !== null && !Array.isArray(opts)) {
+    var _opts = opts;
+    ({
+      showIgnoredFiles
+    } = _opts);
+    opts = _objectWithoutPropertiesLoose(_opts, ["showIgnoredFiles"]);
+    _opts;
+  }
+
+  const result = yield* loadPrivatePartialConfig(opts);
   if (!result) return null;
   const {
     options,
     babelrc,
     ignore,
-    config
+    config,
+    fileHandling,
+    files
   } = result;
+
+  if (fileHandling === "ignored" && !showIgnoredFiles) {
+    return null;
+  }
+
   (options.plugins || []).forEach(item => {
     if (item.value instanceof _plugin.default) {
       throw new Error("Passing cached plugin instances is not supported in " + "babel.loadPartialConfig()");
     }
   });
-  return new PartialConfig(options, babelrc ? babelrc.filepath : undefined, ignore ? ignore.filepath : undefined, config ? config.filepath : undefined);
+  return new PartialConfig(options, babelrc ? babelrc.filepath : undefined, ignore ? ignore.filepath : undefined, config ? config.filepath : undefined, fileHandling, files);
 });
 exports.loadPartialConfig = loadPartialConfig;
 
 class PartialConfig {
-  constructor(options, babelrc, ignore, config) {
+  constructor(options, babelrc, ignore, config, fileHandling, files) {
+    this.options = void 0;
+    this.babelrc = void 0;
+    this.babelignore = void 0;
+    this.config = void 0;
+    this.fileHandling = void 0;
+    this.files = void 0;
     this.options = options;
     this.babelignore = ignore;
     this.babelrc = babelrc;
     this.config = config;
+    this.fileHandling = fileHandling;
+    this.files = files;
     Object.freeze(this);
   }
 

node_modules/@babel/core/lib/config/plugin.js

@@ -7,6 +7,14 @@ exports.default = void 0;
 
 class Plugin {
   constructor(plugin, options, key) {
+    this.key = void 0;
+    this.manipulateOptions = void 0;
+    this.post = void 0;
+    this.pre = void 0;
+    this.visitor = void 0;
+    this.parserOverride = void 0;
+    this.generatorOverride = void 0;
+    this.options = void 0;
     this.key = plugin.name || key;
     this.manipulateOptions = plugin.manipulateOptions;
     this.post = plugin.post;

node_modules/@babel/core/lib/config/printer.js

@@ -0,0 +1,127 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ConfigPrinter = exports.ChainFormatter = void 0;
+const ChainFormatter = {
+  Programmatic: 0,
+  Config: 1
+};
+exports.ChainFormatter = ChainFormatter;
+const Formatter = {
+  title(type, callerName, filepath) {
+    let title = "";
+
+    if (type === ChainFormatter.Programmatic) {
+      title = "programmatic options";
+
+      if (callerName) {
+        title += " from " + callerName;
+      }
+    } else {
+      title = "config " + filepath;
+    }
+
+    return title;
+  },
+
+  loc(index, envName) {
+    let loc = "";
+
+    if (index != null) {
+      loc += `.overrides[${index}]`;
+    }
+
+    if (envName != null) {
+      loc += `.env["${envName}"]`;
+    }
+
+    return loc;
+  },
+
+  optionsAndDescriptors(opt) {
+    const content = Object.assign({}, opt.options);
+    delete content.overrides;
+    delete content.env;
+    const pluginDescriptors = [...opt.plugins()];
+
+    if (pluginDescriptors.length) {
+      content.plugins = pluginDescriptors.map(d => descriptorToConfig(d));
+    }
+
+    const presetDescriptors = [...opt.presets()];
+
+    if (presetDescriptors.length) {
+      content.presets = [...presetDescriptors].map(d => descriptorToConfig(d));
+    }
+
+    return JSON.stringify(content, undefined, 2);
+  }
+
+};
+
+function descriptorToConfig(d) {
+  var _d$file;
+
+  let name = (_d$file = d.file) == null ? void 0 : _d$file.request;
+
+  if (name == null) {
+    if (typeof d.value === "object") {
+      name = d.value;
+    } else if (typeof d.value === "function") {
+      name = `[Function: ${d.value.toString().substr(0, 50)} ... ]`;
+    }
+  }
+
+  if (name == null) {
+    name = "[Unknown]";
+  }
+
+  if (d.options === undefined) {
+    return name;
+  } else if (d.name == null) {
+    return [name, d.options];
+  } else {
+    return [name, d.options, d.name];
+  }
+}
+
+class ConfigPrinter {
+  constructor() {
+    this._stack = [];
+  }
+
+  configure(enabled, type, {
+    callerName,
+    filepath
+  }) {
+    if (!enabled) return () => {};
+    return (content, index, envName) => {
+      this._stack.push({
+        type,
+        callerName,
+        filepath,
+        content,
+        index,
+        envName
+      });
+    };
+  }
+
+  static format(config) {
+    let title = Formatter.title(config.type, config.callerName, config.filepath);
+    const loc = Formatter.loc(config.index, config.envName);
+    if (loc) title += ` ${loc}`;
+    const content = Formatter.optionsAndDescriptors(config.content);
+    return `${title}\n${content}`;
+  }
+
+  output() {
+    if (this._stack.length === 0) return "";
+    return this._stack.map(s => ConfigPrinter.format(s)).join("\n\n");
+  }
+
+}
+
+exports.ConfigPrinter = ConfigPrinter;

node_modules/@babel/core/lib/config/validation/options.js

@@ -24,6 +24,7 @@ const ROOT_VALIDATORS = {
   filenameRelative: _optionAssertions.assertString,
   code: _optionAssertions.assertBoolean,
   ast: _optionAssertions.assertBoolean,
+  cloneInputAst: _optionAssertions.assertBoolean,
   envName: _optionAssertions.assertString
 };
 const BABELRC_VALIDATORS = {
@@ -189,7 +190,11 @@ function assertOverridesList(loc, value) {
   return arr;
 }
 
-function checkNoUnwrappedItemOptionPairs(lastItem, thisItem, type, index, e) {
+function checkNoUnwrappedItemOptionPairs(items, index, type, e) {
+  if (index === 0) return;
+  const lastItem = items[index - 1];
+  const thisItem = items[index];
+
   if (lastItem.file && lastItem.options === undefined && typeof thisItem.value === "object") {
     e.message += `\n- Maybe you meant to use\n` + `"${type}": [\n  ["${lastItem.file.request}", ${JSON.stringify(thisItem.value, undefined, 2)}]\n]\n` + `To be a valid ${type}, its name and options should be wrapped in a pair of brackets`;
   }

node_modules/@babel/core/lib/config/validation/plugins.js

@@ -18,14 +18,14 @@ const VALIDATORS = {
   generatorOverride: _optionAssertions.assertFunction
 };
 
-function assertVisitorMap(key, value) {
-  const obj = (0, _optionAssertions.assertObject)(key, value);
+function assertVisitorMap(loc, value) {
+  const obj = (0, _optionAssertions.assertObject)(loc, value);
 
   if (obj) {
     Object.keys(obj).forEach(prop => assertVisitorHandler(prop, obj[prop]));
 
     if (obj.enter || obj.exit) {
-      throw new Error(`.${key} cannot contain catch-all "enter" or "exit" handlers. Please target individual nodes.`);
+      throw new Error(`${(0, _optionAssertions.msg)(loc)} cannot contain catch-all "enter" or "exit" handlers. Please target individual nodes.`);
     }
   }
 
@@ -53,12 +53,15 @@ function validatePluginObject(obj) {
   };
   Object.keys(obj).forEach(key => {
     const validator = VALIDATORS[key];
-    const optLoc = {
-      type: "option",
-      name: key,
-      parent: rootPath
-    };
-    if (validator) validator(optLoc, obj[key]);else {
+
+    if (validator) {
+      const optLoc = {
+        type: "option",
+        name: key,
+        parent: rootPath
+      };
+      validator(optLoc, obj[key]);
+    } else {
       const invalidPluginPropertyError = new Error(`.${key} is not a valid Plugin property`);
       invalidPluginPropertyError.code = "BABEL_UNKNOWN_PLUGIN_PROPERTY";
       throw invalidPluginPropertyError;