87 lines
2.4 KiB
PHP
87 lines
2.4 KiB
PHP
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<?php
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namespace Rails\Assets\Parser\Javascript\ClosureApi;
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class ClosureApi
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{
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const API_URL = 'http://closure-compiler.appspot.com/compile';
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static public
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$save_file_on_error = true,
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$save_path = null,
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$errorFile_name = 'closure_api_errorFile.js';
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protected
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$_params,
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$_resp,
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$_lastInfo;
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static public function minify($code, array $params = [])
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{
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$obj = new self($params);
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$obj->makeRequest($code, ['output_info' => 'errors']);
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if (trim($obj->resp())) {
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if (self::$save_file_on_error)
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file_put_contents(self::errorFile(), $code);
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throw new Exception\ErrorsOnCodeException($obj->resp());
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}
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$obj->makeRequest($code);
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$resp = $obj->resp();
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if (!trim($resp))
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throw new Exception\BlankResponseException("Closure returned an empty string (file too large? size => ".strlen($code).")");
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return $resp;
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}
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static public function errorFile()
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{
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if (!self::$save_path)
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self::$save_path = Rails::root() . '/tmp';
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return self::$save_path . '/' . self::$errorFile_name;
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}
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public function __construct($params)
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{
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$this->_params = array_merge($this->defaultParams(), $params);
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}
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public function makeRequest($code, array $extra_params = [])
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{
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$params = array_merge($this->_params, $extra_params);
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$params['js_code'] = $code;
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$ch = curl_init(self::API_URL);
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curl_setopt_array($ch, [
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CURLOPT_POST => true,
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CURLOPT_POSTFIELDS => http_build_query($params),
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_HTTPHEADER => [
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"Content-type: application/x-www-form-urlencoded"
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]
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]);
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$this->_resp = curl_exec($ch);
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$this->_lastInfo = curl_getinfo($ch);
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curl_close($ch);
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}
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public function resp()
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{
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return $this->_resp;
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}
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public function lastInfo()
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{
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return $this->_lastInfo;
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}
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protected function defaultParams()
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{
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return [
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'compilation_level' => 'SIMPLE_OPTIMIZATIONS',
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'output_info' => 'compiled_code',
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'output_format' => 'text',
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'language' => 'ECMASCRIPT5'
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];
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}
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}
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