/home/arranoyd/public_html/wp-content/plugins/wpforms-lite/assets/js/text-limit.js
'use strict';
( function() {
/**
* Predefine hint text to display.
*
* @since 1.5.6
*
* @param {string} hintText Hint text.
* @param {number} count Current count.
* @param {number} limit Limit to.
*
* @returns {string} Predefined hint text.
*/
function renderHint( hintText, count, limit ) {
return hintText.replace( '{count}', count ).replace( '{limit}', limit );
}
/**
* Create HTMLElement hint element with text.
*
* @since 1.5.6
*
* @param {number} formId Form id.
* @param {number} fieldId Form field id.
* @param {string} text Text to hint element.
*
* @returns {object} HTMLElement hint element with text.
*/
function createHint( formId, fieldId, text ) {
var hint = document.createElement( 'div' );
hint.classList.add( 'wpforms-field-limit-text' );
hint.id = 'wpforms-field-limit-text-' + formId + '-' + fieldId;
hint.textContent = text;
return hint;
}
/**
* Keyup/Keydown event higher order function for characters limit.
*
* @since 1.5.6
*
* @param {object} hint HTMLElement hint element.
* @param {number} limit Max allowed number of characters.
*
* @returns {Function} Handler function.
*/
function checkCharacters( hint, limit ) {
return function( e ) {
hint.textContent = renderHint(
window.wpforms_settings.val_limit_characters,
this.value.length,
limit
);
};
}
/**
* Keyup/Keydown event higher order function for words limit.
*
* @since 1.5.6
*
* @param {object} hint HTMLElement hint element.
* @param {number} limit Max allowed number of characters.
*
* @returns {Function} Handler function.
*/
function checkWords( hint, limit ) {
return function( e ) {
var words = this.value.trim().split( /\s+/ );
if ( e.keyCode === 32 && words.length >= limit ) {
e.preventDefault();
}
hint.textContent = renderHint(
window.wpforms_settings.val_limit_words,
words.length,
limit
);
};
}
/**
* Get passed text from clipboard.
*
* @since 1.5.6
*
* @param {ClipboardEvent} e Clipboard event.
*
* @returns {string} Text from clipboard.
*/
function getPastedText( e ) {
if ( window.clipboardData && window.clipboardData.getData ) { // IE
return window.clipboardData.getData( 'Text' );
} else if ( e.clipboardData && e.clipboardData.getData ) {
return e.clipboardData.getData( 'text/plain' );
}
}
/**
* Paste event higher order function for words limit.
*
* @since 1.5.6
*
* @param {number} limit Max allowed number of words.
*
* @returns {Function} Event handler.
*/
function pasteWords( limit ) {
return function( e ) {
e.preventDefault();
var pastedText = getPastedText( e ).trim().split( /\s+/ );
pastedText.splice( limit, pastedText.length );
this.value = pastedText.join( ' ' );
};
}
/**
* Array.form polyfill.
*
* @since 1.5.6
*
* @param {object} el Iterator.
*
* @returns {object} Array.
*/
function arrFrom( el ) {
return [].slice.call( el );
}
/**
* DOMContentLoaded handler.
*
* @since 1.5.6
*/
function ready() {
arrFrom( document.querySelectorAll( '.wpforms-limit-characters-enabled' ) )
.map(
function( e ) {
var limit = parseInt( e.dataset.textLimit, 10 ) || 0;
e.value = e.value.slice( 0, limit );
var hint = createHint(
e.dataset.formId,
e.dataset.fieldId,
renderHint(
window.wpforms_settings.val_limit_characters,
e.value.length,
limit
)
);
var fn = checkCharacters( hint, limit );
e.parentNode.appendChild( hint );
e.addEventListener( 'keydown', fn );
e.addEventListener( 'keyup', fn );
}
);
arrFrom( document.querySelectorAll( '.wpforms-limit-words-enabled' ) )
.map(
function( e ) {
var limit = parseInt( e.dataset.textLimit, 10 ) || 0;
e.value = e.value.trim().split( /\s+/ ).slice( 0, limit ).join( ' ' );
var hint = createHint(
e.dataset.formId,
e.dataset.fieldId,
renderHint(
window.wpforms_settings.val_limit_words,
e.value.trim().split( /\s+/ ).length,
limit
)
);
var fn = checkWords( hint, limit );
e.parentNode.appendChild( hint );
e.addEventListener( 'keydown', fn );
e.addEventListener( 'keyup', fn );
e.addEventListener( 'paste', pasteWords( limit ) );
}
);
}
if ( document.readyState === 'loading' ) {
document.addEventListener( 'DOMContentLoaded', ready );
} else {
ready();
}
}() );