Passed
Push — master ( d65707...db96c7 )
by Jean-Christophe
02:11
created

JsUtilsInternalTrait::_open_script()   A

Complexity

Conditions 4
Paths 4

Size

Total Lines 8
Code Lines 6

Duplication

Lines 0
Ratio 0 %

Importance

Changes 4
Bugs 1 Features 2
Metric Value
cc 4
eloc 6
c 4
b 1
f 2
nc 4
nop 1
dl 0
loc 8
rs 10
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<?php
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namespace Ajax\common\traits;
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use Ajax\common\BaseGui;
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trait JsUtilsInternalTrait {
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	protected $jquery_code_for_compile = array();
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	protected $jquery_code_for_compile_at_last = array();
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	protected $nonce;
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	protected function _addToCompile($jsScript) {
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		$this->jquery_code_for_compile[] = $jsScript;
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	}
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	/**
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	 *
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	 * @param BaseGui $library
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	 * @param mixed $view
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	 */
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	protected function _compileLibrary(BaseGui $library, &$view = NULL) {
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		if (isset($view))
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			$library->compileHtml($this, $view);
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		if ($library->isAutoCompile()) {
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			$library->compile(true);
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		}
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	}
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	protected function defer($script) {
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		$result = "window.defer=function (method) {if (window.jQuery) method(); else setTimeout(function() { defer(method) }, 50);};";
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		$result .= "window.defer(function(){" . $script . "})";
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		return $result;
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	}
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	protected function ready($script) {
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		$result = '$(document).ready(function() {' . "\n";
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		$result .= $script . '})';
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		return $result;
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	}
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	protected function minify($input) {
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		if (trim($input) === "")
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			return $input;
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		$input = preg_replace(array(
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			// Remove comment(s)
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			'#\s*("(?:[^"\\\]++|\\\.)*+"|\'(?:[^\'\\\\]++|\\\.)*+\')\s*|\s*\/\*(?!\!|@cc_on)(?>[\s\S]*?\*\/)\s*|\s*(?<![\:\=])\/\/.*(?=[\n\r]|$)|^\s*|\s*$#',
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			// Remove white-space(s) outside the string and regex
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			'#("(?:[^"\\\]++|\\\.)*+"|\'(?:[^\'\\\\]++|\\\.)*+\'|\/\*(?>.*?\*\/)|\/(?!\/)[^\n\r]*?\/(?=[\s.,;]|[gimuy]|$))|\s*([!%&*\(\)\-=+\[\]\{\}|;:,.<>?\/])\s*#s',
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			// Remove the last semicolon
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			// '#;+\}#',
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			// Minify object attribute(s) except JSON attribute(s). From `{'foo':'bar'}` to `{foo:'bar'}`
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			'#([\{,])([\'])(\d+|[a-z_][a-z0-9_]*)\2(?=\:)#i',
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			// --ibid. From `foo['bar']` to `foo.bar`
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			'#([a-z0-9_\)\]])\[([\'"])([a-z_][a-z0-9_]*)\2\]#i'
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		), array(
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			'$1',
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			'$1$2',
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			// '}',
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			'$1$3',
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			'$1.$3'
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		), $input);
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		$input = str_replace("}$", "};$", $input);
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		return $input;
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	}
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	/**
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	 * Outputs an opening <script>
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	 *
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	 * @param string $src
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	 * @return string
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	 */
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	protected function _open_script($src = '') {
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		$str = '<script ';
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		if (! $this->isAjax() && isset($this->params['nonce'])) {
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			$nonce = $this->nonce ?? $this->generateNonce($this->params['nonce']);
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			$str .= ' nonce="' . $nonce . '" ';
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		}
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		$str .= ($src == '') ? '>' : ' src="' . $src . '">';
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		return $str;
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	}
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	protected function onNonce() {}
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	protected function generateNonce($value = null): string {
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		$bytes = \random_bytes((int) ($value ?? 32));
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		$this->nonce = \base64_encode($bytes);
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		$this->onNonce();
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		return $this->nonce;
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	}
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	public function getNonce() {
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		return $this->nonce;
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	}
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	/**
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	 * Outputs an closing </script>
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	 *
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	 * @param string $extra
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	 * @return string
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	 */
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	protected function _close_script($extra = "\n") {
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		return "</script>$extra";
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	}
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	protected function conflict() {
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		$this->_addToCompile("var btn = $.fn.button.noConflict();$.fn.btn = btn;");
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	}
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	public function addToCompile($jsScript) {
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		$this->_addToCompile($jsScript);
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	}
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	public function isAjax(): bool {
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		return (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && ! empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
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	}
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}
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