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export function createCustomError(name, message) {
// use Object.create(), because some VMs prevent setting line/column otherwise
// (iOS Safari 10 even throws an exception)
const error = Object.create(SyntaxError.prototype);
const errorStack = new Error();
return Object.assign(error, {
name,
message,
get stack() {
return (errorStack.stack || '').replace(/^(.+\n){1,3}/, `${name}: ${message}\n`);
}
});
};
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