email-misspelled/dist/esm/email-misspelled.js

Check misspell email's domain and return a list of matching domain suggestions

import { containsOneAt } from "./helpers/contains-one-at.js";
import { getDomain } from "./helpers/get-domain.js";
import { stringLengthChecker } from "./string-length-checker.js";
import { lettersComparison } from "./letters-comparison.js";
import { domainMapper } from "./helpers/domain-mapper.js";
import { corrector } from "./helpers/corrector.js";
import { sortByCount } from "./helpers/sort.js";
import { sanitizeString } from "./helpers/sanitize.js";
const DEFAULT_LENGTH = 3;
const MAX_MISSPELLED = 2;
const DEFAULT_PARAMS = {
    lengthDiffMax: DEFAULT_LENGTH,
    maxMisspelled: MAX_MISSPELLED,
    domains: []
};
const DEFAULT_RETURN = [];
export const emailMisspelled = ({ lengthDiffMax = DEFAULT_LENGTH, maxMisspelled = MAX_MISSPELLED, domains = [] } = DEFAULT_PARAMS) => {
    if (!domains || !Array.isArray(domains) || !domains.length)
        throw new Error("Please provide a domain list (for example: https://github.com/julien-amblard/email-misspelled/tree/main/src/domains)");
    return (email) => {
        const sanitizedEmail = sanitizeString(email);
        if (!sanitizedEmail || !containsOneAt(sanitizedEmail))
            return DEFAULT_RETURN;
        const domain = getDomain(sanitizedEmail);
        if (domains.includes(domain))
            return DEFAULT_RETURN;
        const sizeFilter = stringLengthChecker(domain, lengthDiffMax);
        const letterFilter = lettersComparison(domain, maxMisspelled);
        const correctorMapper = corrector(sanitizedEmail);
        const remainsDomains = domains
            .filter(sizeFilter)
            .map(domainMapper)
            .filter(letterFilter)
            .map(correctorMapper)
            .sort(sortByCount);
        return remainsDomains;
    };
};