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node_modules/@soda/friendly-errors-webpack-plugin/src/transformers/babelSyntax.js

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+'use strict';
+
+/**
+ * This will be removed in next versions as it is not handled in the babel-loader
+ * See: https://github.com/geowarin/friendly-errors-webpack-plugin/issues/2
+ */
+function cleanStackTrace(message) {
+  return message
+    .replace(/^\s*at\s.*:\d+:\d+[\s)]*\n/gm, ''); // at ... ...:x:y
+}
+
+function cleanMessage(message) {
+  return message
+    // match until the last semicolon followed by a space
+    // this should match
+    // linux => "(SyntaxError: )Unexpected token (5:11)"
+    // windows => "(SyntaxError: C:/projects/index.js: )Unexpected token (5:11)"
+    .replace(/^Module build failed.*:\s/, 'Syntax Error: ')
+    // remove mini-css-extract-plugin loader tracing errors
+    .replace(/^Syntax Error: ModuleBuildError:.*:\s/, '')
+    // remove babel extra wording and path
+    .replace(/^Syntax Error: SyntaxError: (([A-Z]:)?\/.*:\s)?/, 'Syntax Error: ');
+}
+
+function isBabelSyntaxError(e) {
+  return e.name === 'ModuleBuildError' || e.name === 'ModuleBuildError' &&
+    e.message.indexOf('SyntaxError') >= 0;
+}
+
+function transform(error) {
+  if (isBabelSyntaxError(error)) {
+    return Object.assign({}, error, {
+      message: cleanStackTrace(cleanMessage(error.message) + '\n'),
+      severity: 1000,
+      name: 'Syntax Error',
+    });
+  }
+
+  return error;
+}
+
+module.exports = transform;