gramora/gramora/Utilities/String+GrammarCorrections.swift

import Foundation

extension String {
    func applyingGrammarCorrections(_ issues: [GrammarIssue]) -> String {
        guard !issues.isEmpty else { return self }

        var result = self
        var replacements: [(Range<String.Index>, String)] = []

        for issue in issues {
            guard let range = result.range(of: issue.original) else { continue }
            replacements.append((range, issue.suggestion))
        }

        for (range, suggestion) in replacements.sorted(by: { $0.0.lowerBound > $1.0.lowerBound }) {
            result.replaceSubrange(range, with: suggestion)
        }

        return result
    }
}