|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Copyright 2022 Wikimedia Foundation |
|
4
|
|
|
* |
|
5
|
|
|
* Licensed under the Apache License, Version 2.0 (the "License"); |
|
6
|
|
|
* you may not use this file except in compliance with the License. |
|
7
|
|
|
* You may obtain a copy of the License at |
|
8
|
|
|
* |
|
9
|
|
|
* http://www.apache.org/licenses/LICENSE-2.0 |
|
10
|
|
|
* |
|
11
|
|
|
* Unless required by applicable law or agreed to in writing, software |
|
12
|
|
|
* distributed under the License is distributed on an "AS IS" BASIS, |
|
13
|
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
14
|
|
|
* See the License for the specific language governing permissions and |
|
15
|
|
|
* limitations under the License. |
|
16
|
|
|
* |
|
17
|
|
|
* @file |
|
18
|
|
|
* @license Apache-2.0 |
|
19
|
|
|
* @license MIT |
|
20
|
|
|
* @license GPL-2.0-or-later |
|
21
|
|
|
* @license LGPL-2.1-or-later |
|
22
|
|
|
*/ |
|
23
|
|
|
|
|
24
|
|
|
namespace Wikimedia\Minify; |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* The base class for stateful minifying without source map support. |
|
28
|
|
|
* |
|
29
|
|
|
* Some stub mutator methods for source map support are provided for |
|
30
|
|
|
* the convenience of callers switching between source map and plain mode. |
|
31
|
|
|
*/ |
|
32
|
|
|
abstract class MinifierState { |
|
33
|
|
|
/** @var string[] The accumulated data for the source map sources line */ |
|
34
|
|
|
protected $sources = []; |
|
35
|
|
|
|
|
36
|
|
|
/** @var array The accumulated data for the source map sourcesContent line */ |
|
37
|
|
|
protected $sourcesContent = []; |
|
38
|
|
|
|
|
39
|
|
|
/** @var string The accumulated minified output */ |
|
40
|
|
|
protected $minifiedOutput = ''; |
|
41
|
|
|
|
|
42
|
|
|
/** @var string|null The value for the "file" key in the source map */ |
|
43
|
|
|
protected $outputFile; |
|
44
|
|
|
|
|
45
|
|
|
/** @var string|null The value for the "sourceRoot" key in the source map */ |
|
46
|
|
|
protected $sourceRoot; |
|
47
|
|
|
|
|
48
|
|
|
/** @var callable|null */ |
|
49
|
|
|
protected $onError; |
|
50
|
|
|
|
|
51
|
|
|
/** |
|
52
|
|
|
* Set the name of the output file, to be given as the "file" key. |
|
53
|
|
|
* |
|
54
|
|
|
* @param string $file |
|
55
|
|
|
* @return $this |
|
56
|
|
|
*/ |
|
57
|
|
|
public function outputFile( string $file ) { |
|
58
|
|
|
$this->outputFile = $file; |
|
59
|
|
|
return $this; |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* Set the source root. The spec says this will be merely "prepended" to |
|
64
|
|
|
* the source names, not resolved as a relative URL, so it should probably |
|
65
|
|
|
* have a trailing slash. |
|
66
|
|
|
* |
|
67
|
|
|
* @param string $url |
|
68
|
|
|
* @return $this |
|
69
|
|
|
*/ |
|
70
|
|
|
public function sourceRoot( string $url ) { |
|
71
|
|
|
$this->sourceRoot = $url; |
|
72
|
|
|
return $this; |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
|
|
/** |
|
76
|
|
|
* Minify a source file and collect the output and mappings data. |
|
77
|
|
|
* |
|
78
|
|
|
* @param string $url The name of the input file. Possibly a URL relative |
|
79
|
|
|
* to the source root. |
|
80
|
|
|
* @param string $source The input source text. |
|
81
|
|
|
* @param bool $bundle Whether to add the source text to sourcesContent |
|
82
|
|
|
* @return $this |
|
83
|
|
|
*/ |
|
84
|
|
|
public function addSourceFile( string $url, string $source, bool $bundle = false ) { |
|
|
|
|
|
|
85
|
|
|
$this->minifiedOutput .= $this->minify( $source ); |
|
86
|
|
|
return $this; |
|
87
|
|
|
} |
|
88
|
|
|
|
|
89
|
|
|
/** |
|
90
|
|
|
* Register an error callback |
|
91
|
|
|
* |
|
92
|
|
|
* JavaScriptMinifier assumes all input has previously been validated |
|
93
|
|
|
* by a linter (such as Peast or ESLint) and not attempt to validate |
|
94
|
|
|
* the syntax. Any new or unknown syntax is generally silently preserved |
|
95
|
|
|
* in the output. |
|
96
|
|
|
* |
|
97
|
|
|
* Certain kinds of syntax error are nonetheless detected and can |
|
98
|
|
|
* be logged via this error callback to aid in debugging. |
|
99
|
|
|
* |
|
100
|
|
|
* The error callback may be invoked during MinifierState::addSourceFile |
|
101
|
|
|
* (via JavaScriptMinifier::minify), and is passed a ParseError object |
|
102
|
|
|
* as its only parameter. |
|
103
|
|
|
* |
|
104
|
|
|
* Example: |
|
105
|
|
|
* |
|
106
|
|
|
* JavaScriptMinifier::createMinifier() |
|
107
|
|
|
* ->setErrorHandler( static function ( $error ) { |
|
108
|
|
|
* trigger_error( $error->getMessage() ); |
|
109
|
|
|
* } ) |
|
110
|
|
|
* ->addSourceFile( 'file.js', $source ) |
|
111
|
|
|
* ->getMinifiedOutput(); |
|
112
|
|
|
* |
|
113
|
|
|
* @param callable $onError |
|
114
|
|
|
* @return $this |
|
115
|
|
|
*/ |
|
116
|
|
|
public function setErrorHandler( $onError ) { |
|
117
|
|
|
$this->onError = $onError; |
|
118
|
|
|
return $this; |
|
119
|
|
|
} |
|
120
|
|
|
|
|
121
|
|
|
/** |
|
122
|
|
|
* Minify a string |
|
123
|
|
|
* |
|
124
|
|
|
* @param string $source |
|
125
|
|
|
* @return string |
|
126
|
|
|
*/ |
|
127
|
|
|
abstract protected function minify( string $source ): string; |
|
128
|
|
|
|
|
129
|
|
|
/** |
|
130
|
|
|
* Add a string to the output without any minification or source mapping. |
|
131
|
|
|
* |
|
132
|
|
|
* @param string $output |
|
133
|
|
|
* @return $this |
|
134
|
|
|
*/ |
|
135
|
|
|
public function addOutput( string $output ) { |
|
136
|
|
|
$this->minifiedOutput .= $output; |
|
137
|
|
|
return $this; |
|
138
|
|
|
} |
|
139
|
|
|
|
|
140
|
|
|
/** |
|
141
|
|
|
* Add a line break to the output if the output is non-empty and does not |
|
142
|
|
|
* end in a line break. |
|
143
|
|
|
* |
|
144
|
|
|
* @return $this |
|
145
|
|
|
*/ |
|
146
|
|
|
public function ensureNewline() { |
|
147
|
|
|
if ( $this->minifiedOutput !== '' && !str_ends_with( $this->minifiedOutput, "\n" ) ) { |
|
148
|
|
|
$this->addOutput( "\n" ); |
|
149
|
|
|
} |
|
150
|
|
|
return $this; |
|
151
|
|
|
} |
|
152
|
|
|
|
|
153
|
|
|
/** |
|
154
|
|
|
* Get the minified output. |
|
155
|
|
|
* |
|
156
|
|
|
* @return string |
|
157
|
|
|
*/ |
|
158
|
|
|
public function getMinifiedOutput() { |
|
159
|
|
|
return $this->minifiedOutput; |
|
160
|
|
|
} |
|
161
|
|
|
} |
|
162
|
|
|
|
elkarte /
Elkarte
Loading history...
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.