@loftysoul/soul/core/server/adapters/storage/oss-utils.js

The professional Content Management System, based ghost

const unidecode = require('unidecode');

function safeString(string, options) {
    options = options || {};

    if (string === null) {
        string = '';
    }

    // Handle the £ symbol separately, since it needs to be removed before the unicode conversion.
    string = string.replace(/£/g, '-');

    // Remove non ascii characters
    string = unidecode(string);

    // Replace URL reserved chars: `@:/?#[]!$&()*+,;=` as well as `\%<>|^~£"{}` and \`
    string = string.replace(/(\s|\.|@|:|\/|\?|#|\[|\]|!|\$|&|\(|\)|\*|\+|,|;|=|\\|%|<|>|\||\^|~|"|\{|\}|`|–|—)/g, '-')
        // Remove apostrophes
        .replace(/'/g, '')
        // Make the whole thing lowercase
        .toLowerCase();

    // We do not need to make the following changes when importing data
    // eslint-disable-next-line no-prototype-builtins
    if ((!options.hasOwnProperty('importing')) || !options.importing) {
        // Convert 2 or more dashes into a single dash
        string = string.replace(/-+/g, '-')
            // Remove trailing dash
            .replace(/-$/, '')
            // Remove any dashes at the beginning
            .replace(/^-/, '');
    }

    // Handle whitespace at the beginning or end.
    string = string.trim();

    return string;
}

function joinUrl() {
    var origin = arguments[0];
    var paths = Array.prototype.slice.call(arguments, 1);
    // eslint-disable-next-line eqeqeq
    return origin + (origin[origin.length - 1] == '/' ? '' : '/') + paths.map(function (item) {
        return item.replace(/^\//, '').replace(/\/$/, '');
    }).join('/');
}

module.exports = {
    safeString,
    joinUrl
};