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    useful-library

    1.2.2 • Public • Published

    containsOnly()

    /**
     * Return true if an array contains only certain elements.
     * 
     * @param  {object} arr An array object to check
     * @param  {function} func A function that performs the check
     */

    first()

    /**
     * Return the first element of an array.
     * 
     * @param  {object} arr
     */

    formatDay()

    /**
     * Return day formatted as DD.
     * 
     * @param  {object} day Date object.
     */

    formatMonth()

    /**
     * Return MM indexed from 1 as string.
     * 
     * @param  {object} month Date object.
     */

    formatString()

    /**
     * Return a formatted string.
     * 
     * @param  {object} configObj Three properties are mandatory:
     *  string       - an input string;
     *  positions    - an array of numbers that represent indices;
     *  insertedChar - a characted to insert at positions
     */

    getConnectionString()

    /**
     * Return connection string for MSSQL DB.
     * 
     * @param  {object} infoObj Object with user, password, server, and database
     *  properties.
     */

    getEnv()

    /**
     * Return value from an env variable.
     * 
     * @param  {string} envVarName Env variable name.
     */

    getEnvWithoutLang()

    /**
     * Return environment part of a string ('dev-cz' => 'dev').
     * 
     * @param  {string} envVarName Env variable name.
     */

    getLang()

    /**
     * Return language part of a string ('dev-cz' => 'cz').
     * 
     * @param  {string} envVarName Env variable name.
     */

    isEqual()

    /**
     * Return true if given arrays are equal, e.i. have the same members in the
     * same order.
     * 
     * @param  {object} arr
     * @param  {object} arr1
     */

    isStrictlyEqual()

    /**
     * Return true if given arrays are strictly equal, e.i. have the same members
     * in the same order.
     * @param  {object} arr
     * @param  {object} arr1
     */

    last()

    /**
     * Return the last element of an array.
     * 
     * @param  {object} arr
     */

    loadJsonFile()

    /**
     * Synchronously reads and parses a JSON file.
     * 
     * @param  {string} filename
     * @return {object} Parsed JSON file as an object literal.
     */

    loadYamlFile()

    /**
     * Synchronously reads and parses a YAML file.
     * 
     * @param  {string} filename
     * @return {object} Parsed YAML file as an object literal.
     */

    max()

    /**
     * Return maximum value from an array.
     * 
     * @param  {object} arr
     */

    min()

    /**
     * Return minimum value from an array.
     * 
     * @param  {object} arr
     */

    networkRequest()

    /**
     * Request a resource with axios.
     * 
     * @param  {object} reqObj Config object
     * @return {Promise} Promise object with response.
     */

    nth()

    /**
     * Return nth element of an array.
     * 
     * @param  {object} arr
     * @param  {number} nthEl Default to 0.
     * @param  {number} indexStyle Indexing, either start with 0 or 1. Default to 0.
     */

    pastYyyyMmDd()

    /**
     * Return past date in YYYY{{separator}}MM{{separator}}DD.
     * 
     * @param  {string} separator Default '/'.
     * @param  {number} daysAgo Default 1.
     */

    randInt()

    /**
     * Return a random integer between min and max inclusive.
     * 
     * @param  {number} min
     * @param  {number} max
     */

    randomEmail()

    /**
     * Generate random email. If len is 0, the part before '@' will be
     * missing. If domainStr is '', no domain will be included.
     * 
     * @param  {number} len Default 10.
     * @param  {string} domainStr Default USEFUL_DEFAULT_DOMAIN env variable
     *  or "inveo.cz".
     */

    randomNumberString()

    /**
     * Generate random number string. If alphabetString is not passed,
     * only [0-9] is a considered alphabet.
     * 
     * @param  {number} len Default 10.
     * @param  {string} alphabetString Default [0-9].
     */

    randomString()

    /**
     * Generate random string. If alphabetString is not passed,
     * only [a-zA-Z] is a considered alphabet.
     * 
     * @param  {number} len Default 10.
     * @param  {string} alphabetString Default [a-zA-Z].
     */

    sortAsc()

    /**
     * Return a sorted (asc) array clone.
     * 
     * Sorting does not happen in place. Numeric sorting is performed.
     * 
     * @param  {object} arr
     */

    sortDesc()

    /**
     * Return a sorted (desc) array clone.
     * 
     * Sorting does not happen in place. Numeric sorting is performed.
     * 
     * @param  {object} arr
     */

    yyyyMmDd()

    /**
     * Return current date in YYYY{{separator}}MM{{separator}}DD.
     * 
     * @param  {string} separator Default '/'.
     */

    Install

    npm i useful-library

    DownloadsWeekly Downloads

    63

    Version

    1.2.2

    License

    MIT

    Unpacked Size

    68.5 kB

    Total Files

    71

    Last publish

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