spanishconjugator/tenses/indicative/preterite.js

A npm package for spanish conjugation by mood, tense and pronoun

function indicative_preterite(rootverb,pronoun) {
    if(pronoun=="yo"){
        if(rootverb.slice(-2)=="ar"){
            let conjugation = rootverb.slice(0,-2) + 'é';
            return conjugation;
        }
        if(rootverb.slice(-2)=="er"){
            let conjugation = rootverb.slice(0,-2) + 'í';
            return conjugation;
        }
        if(rootverb.slice(-2)=="ir"){
            let conjugation = rootverb.slice(0,-2) + 'í';
            return conjugation;
        }
    }
    if(pronoun=="tu"){
        if(rootverb.slice(-2)=="ar"){
            let conjugation = rootverb.slice(0,-2) + 'aste';
            return conjugation;
        }
        if(rootverb.slice(-2)=="er"){
            let conjugation = rootverb.slice(0,-2) + 'iste';
            return conjugation;
        }
        if(rootverb.slice(-2)=="ir"){
            let conjugation = rootverb.slice(0,-2) + 'iste';
            return conjugation;
        }
    }
    if(pronoun=="usted"){
        if(rootverb.slice(-2)=="ar"){
            let conjugation = rootverb.slice(0,-2) + 'ó';
            return conjugation;
        }
        if(rootverb.slice(-2)=="er"){
            let conjugation = rootverb.slice(0,-2) + 'ió';
            return conjugation;
        }
        if(rootverb.slice(-2)=="ir"){
            let conjugation = rootverb.slice(0,-2) + 'ió';
            return conjugation;
        }
    }
    if(pronoun == "nosotros"){
        if(rootverb.slice(-2)=="ar"){
            let conjugation = rootverb.slice(0,-2) + 'amos';
            return conjugation;
        }
        if(rootverb.slice(-2)=="er"){
            let conjugation = rootverb.slice(0,-2) + 'imos';
            return conjugation;
        }
        if(rootverb.slice(-2)=="ir"){
            let conjugation = rootverb.slice(0,-2) + 'imos';
            return conjugation;
        }
    }
    if(pronoun == "vosotros"){
        if(rootverb.slice(-2)=="ar"){
            let conjugation = rootverb.slice(0,-2) + 'asteis';
            return conjugation;
        }
        if(rootverb.slice(-2)=="er"){
            let conjugation = rootverb.slice(0,-2) + 'isteis';
            return conjugation;
        }
        if(rootverb.slice(-2)=="ir"){
            let conjugation = rootverb.slice(0,-2) + 'isteis';
            return conjugation;
        }
    }
    if(pronoun=="ustedes"){
        if(rootverb.slice(-2)=="ar"){
            let conjugation = rootverb.slice(0,-2) + 'aron';
            return conjugation;
        }
        if(rootverb.slice(-2)=="er"){
            let conjugation = rootverb.slice(0,-2) + 'ieron';
            return conjugation;
        }
        if(rootverb.slice(-2)=="ir"){
            let conjugation = rootverb.slice(0,-2) + 'ieron';
            return conjugation;
        }
    }
    else{
        return 'Conjugation not found, please recheck documentation or submit an issue'
    }
}

module.exports.indicative_preterite = indicative_preterite;