@lipagas/ember-core/addon/utils/past-tense.js

Provides all the core services, decorators and utilities for building a Fleetbase extension for the Console.

export default function pastTense(verb) {
    const exceptions = {
        are: 'were',
        eat: 'ate',
        go: 'went',
        have: 'had',
        inherit: 'inherited',
        is: 'was',
        run: 'ran',
        sit: 'sat',
        visit: 'visited',
    };

    if (exceptions[verb]) {
        return exceptions[verb];
    }

    if (/e$/i.test(verb)) {
        return verb + 'd';
    }

    if (/[aeiou]c/i.test(verb)) {
        return verb + 'ked';
    }

    // for american english only
    if (/el$/i.test(verb)) {
        return verb + 'ed';
    }

    if (/[aeio][aeiou][dlmnprst]$/.test(verb)) {
        return verb + 'ed';
    }

    if (/[aeiou][bdglmnprst]$/i.test(verb)) {
        return verb.replace(/(.+[aeiou])([bdglmnprst])/, '$1$2$2ed');
    }

    return verb + 'ed';
}