JsUtilsInternalTrait.php

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<?php
namespace Ajax\common\traits;
 
use Ajax\common\BaseGui;
 
class JsUtilsInternalTrait {
 
    protected $jquery_code_for_compile = array();
 
    protected $jquery_code_for_compile_at_last = array();
 
    protected function _addToCompile($jsScript) {
        $this->jquery_code_for_compile[] = $jsScript;
    }
 
    protected function _compileLibrary(BaseGui $library, &$view = NULL) {
        if (isset($view))
            $library->compileHtml($this, $view);
        if ($library->isAutoCompile()) {
            $library->compile(true);
        }
    }
 
    protected function defer($script) {
        $result = "(function(){window.defer=function (method) {if (window.jQuery) method(); else setTimeout(function() { window.defer(method); }, 50);};";
        $result .= "window.defer(function(){" . $script . "})})()";
        return $result;
    }
 
    protected function ready($script) {
        $result = '$(function() {' . "\n";
        $result .= $script . '});';
        return $result;
    }
 
    protected function minify($input) {
        if (trim($input) === "")
            return $input;
        $input = preg_replace(array(
            // Remove comment(s)
            '#\s*("(?:[^"\\\]++|\\\.)*+"|\'(?:[^\'\\\\]++|\\\.)*+\')\s*|\s*\/\*(?!\!|@cc_on)(?>[\s\S]*?\*\/)\s*|\s*(?<![\:\=])\/\/.*(?=[\n\r]|$)|^\s*|\s*$#',
            // Remove white-space(s) outside the string and regex
            '#("(?:[^"\\\]++|\\\.)*+"|\'(?:[^\'\\\\]++|\\\.)*+\'|\/\*(?>.*?\*\/)|\/(?!\/)[^\n\r]*?\/(?=[\s.,;]|[gimuy]|$))|\s*([!%&*\‍(\‍)\-=+\[\]\{\}|;:,.<>?\/])\s*#s',
            // Remove the last semicolon
            // '#;+\}#',
            // Minify object attribute(s) except JSON attribute(s). From `{'foo':'bar'}` to `{foo:'bar'}`
            '#([\{,])([\'])(\d+|[a-z_][a-z0-9_]*)\2(?=\:)#i',
            // --ibid. From `foo['bar']` to `foo.bar`
            '#([a-z0-9_\‍)\]])\[([\'"])([a-z_][a-z0-9_]*)\2\]#i'
        ), array(
            '$1',
            '$1$2',
            // '}',
            '$1$3',
            '$1.$3'
        ), $input);
        $input = str_replace("}$", "};$", $input);
        return $input;
    }
 
    protected function _open_script($src = '') {
        $str = '<script ';
        $str .= ($src == '') ? '>' : ' src="' . $src . '">';
        return $str;
    }
 
    protected function _close_script($extra = "\n") {
        return "</script>$extra";
    }
 
    protected function conflict() {
        $this->_addToCompile("var btn = $.fn.button.noConflict();$.fn.btn = btn;");
    }
 
    public function addToCompile($jsScript) {
        $this->_addToCompile($jsScript);
    }
}