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data-file-height="20" /></span></span></td><td class="mbox-text">このページでは、開発者の合意によって (または主任開発者 (lead developer) からの宣言によって) 長い時間をかけて作成されてきた、MediaWiki <a href="/wiki/Special:MyLanguage/Development_guidelines" title="Special:MyLanguage/Development guidelines">開発の指針</a>を文書化しています。</td></tr></tbody></table> <p>このページでは、<a href="/wiki/Special:MyLanguage/Manual:Code" title="Special:MyLanguage/Manual:Code">MediaWiki コードベース</a>の <b>SVG</b> で書かれたファイル内での<b>コーディング規約</b>を説明します。 SVG を含むすべてのプログラミング & マークアップ言語に適用される<a href="/wiki/Special:MyLanguage/Manual:Coding_conventions#All_languages" title="Special:MyLanguage/Manual:Coding conventions">全般的な規約</a>も参照してください。 </p><p>最適化ツールとして <a rel="nofollow" class="external text" href="https://github.com/svg/svgo">SVGO</a> を使用します。下記の<a href="#Automated_optimisation_(SVGO)">自動最適化</a>を参照してください。 </p> <div style="clear: right; margin-bottom: .5em; float: right; margin-left:2em; width: auto;"><meta property="mw:PageProp/toc" /></div> <p><span id="Code_structure"></span> </p> <div class="mw-heading mw-heading2"><h2 id="コードの構造"><span id=".E3.82.B3.E3.83.BC.E3.83.89.E3.81.AE.E6.A7.8B.E9.80.A0"></span>コードの構造</h2></div> <div lang="en" dir="ltr" class="mw-content-ltr"> <p>Minimal code as possible with readability in mind is the premise. </p> </div> <p><span lang="en" dir="ltr" class="mw-content-ltr">Example for simple optimised file</span> – <a href="https://phabricator.wikimedia.org/diffusion/GOJU/browse/master/src/themes/wikimediaui/images/icons/subtract.svg" class="extiw" title="phab:diffusion/GOJU/browse/master/src/themes/wikimediaui/images/icons/subtract.svg">subtract.svg <span lang="en" dir="ltr" class="mw-content-ltr">from OOUI</span></a>: </p> <div class="mw-highlight mw-highlight-lang-xml mw-content-ltr" dir="ltr"><pre><span></span><span class="cp"><?xml version="1.0" encoding="UTF-8"?></span> <span class="nt"><svg</span><span class="w"> </span><span class="na">xmlns=</span><span class="s">"http://www.w3.org/2000/svg"</span><span class="w"> </span><span class="na">width=</span><span class="s">"20"</span><span class="w"> </span><span class="na">height=</span><span class="s">"20"</span><span class="w"> </span><span class="na">viewBox=</span><span class="s">"0 0 20 20"</span><span class="nt">></span> <span class="w"> </span><span class="nt"><title></span> <span class="w"> </span>subtract <span class="w"> </span><span class="nt"></title></span> <span class="w"> </span><span class="nt"><path</span><span class="w"> </span><span class="na">d=</span><span class="s">"M4 9h12v2H4z"</span><span class="nt">/></span> <span class="nt"></svg></span> </pre></div> <p><span lang="en" dir="ltr" class="mw-content-ltr">For minimalists, <i>exactly the same</i> can be drawn with</span> </p> <div class="mw-highlight mw-highlight-lang-xml mw-content-ltr" dir="ltr"><pre><span></span><span class="cp"><?xml version="1.0"?></span> <span class="nt"><svg</span><span class="w"> </span><span class="na">xmlns=</span><span class="s">"http://www.w3.org/2000/svg"</span><span class="w"> </span><span class="na">width=</span><span class="s">"20"</span><span class="w"> </span><span class="na">height=</span><span class="s">"20"</span><span class="nt">></span> <span class="w"> </span><span class="nt"><path</span><span class="w"> </span><span class="na">d=</span><span class="s">"m4,9h12v2H4"</span><span class="nt">/></span> <span class="nt"></svg></span> </pre></div> <p><span lang="en" dir="ltr" class="mw-content-ltr">Example for slightly more complex, optimised file – BetaFeatures screenshot template:</span> </p> <div class="mw-highlight mw-highlight-lang-xml mw-content-ltr" dir="ltr"><pre><span></span><span class="cp"><?xml version="1.0" encoding="UTF-8"?></span> <span class="nt"><svg</span><span class="w"> </span><span class="na">xmlns=</span><span class="s">"http://www.w3.org/2000/svg"</span><span class="w"> </span><span class="na">width=</span><span class="s">"264"</span><span class="w"> </span><span class="na">height=</span><span class="s">"162"</span><span class="w"> </span><span class="na">viewBox=</span><span class="s">"0 0 264 162"</span><span class="nt">></span> <span class="w"> </span><span class="nt"><title></span> <span class="w"> </span>BetaFeatures<span class="w"> </span>screenshot<span class="w"> </span>template <span class="w"> </span><span class="nt"></title></span> <span class="w"> </span><span class="nt"><defs></span> <span class="w"> </span><span class="nt"><clipPath</span><span class="w"> </span><span class="na">id=</span><span class="s">"jagged-edge"</span><span class="nt">></span> <span class="w"> </span><span class="nt"><path</span><span class="w"> </span><span class="na">d=</span><span class="s">"M0 0v152l12 10 12-10 12 10 12-10 12 10 12-10 12 10 12-10 12 10 12-10 12 10 12-10 12 10 12-10 12 10 12-10 12 10 12-10 12 10 12-10 12 10 12-10V0z"</span><span class="nt">/></span> <span class="w"> </span><span class="nt"></clipPath></span> <span class="w"> </span><span class="nt"></defs></span> <span class="w"> </span><span class="nt"><g</span><span class="w"> </span><span class="na">fill=</span><span class="s">"#eaecf0"</span><span class="w"> </span><span class="na">clip-path=</span><span class="s">"url(#jagged-edge)"</span><span class="nt">></span> <span class="w"> </span><span class="nt"><path</span><span class="w"> </span><span class="na">id=</span><span class="s">"background"</span><span class="w"> </span><span class="na">fill=</span><span class="s">"#fff"</span><span class="w"> </span><span class="na">d=</span><span class="s">"M0 0h264v162H0"</span><span class="nt">/></span> <span class="w"> </span><span class="nt"><path</span><span class="w"> </span><span class="na">id=</span><span class="s">"logo"</span><span class="w"> </span><span class="na">d=</span><span class="s">"M11 22c0-8 6-14 14-14s14 6 14 14-6 14-14 14-14-6-14-14M38 45v-5H13v5h25"</span><span class="nt">/></span> <span class="w"> </span><span class="nt"><path</span><span class="w"> </span><span class="na">id=</span><span class="s">"sidebar"</span><span class="w"> </span><span class="na">d=</span><span class="s">"M38 163V58H13v106h25"</span><span class="nt">/></span> <span class="w"> </span><span class="nt"><path</span><span class="w"> </span><span class="na">id=</span><span class="s">"personal-tools"</span><span class="w"> </span><span class="na">d=</span><span class="s">"M233 5h26v6h-26V5zM209 5h22v6h-22zM185 5h22v6h-22zM162 5h13v6h-13zM177 5h6v6h-6zM154 5h6v6h-6z"</span><span class="nt">/></span> <span class="w"> </span><span class="nt"><path</span><span class="w"> </span><span class="na">id=</span><span class="s">"search-input"</span><span class="w"> </span><span class="na">d=</span><span class="s">"M258 16v4h-92v-4h92m1-1h-94v6h94v-6z"</span><span class="nt">/></span> <span class="w"> </span><span class="nt"><path</span><span class="w"> </span><span class="na">id=</span><span class="s">"search-icon"</span><span class="w"> </span><span class="na">d=</span><span class="s">"M168 17h2v2h-2z"</span><span class="nt">/></span> <span class="w"> </span><span class="nt"><path</span><span class="w"> </span><span class="na">id=</span><span class="s">"article"</span><span class="w"> </span><span class="na">d=</span><span class="s">"M252 162V29H48v133z"</span><span class="nt">/></span> <span class="w"> </span><span class="nt"><path</span><span class="w"> </span><span class="na">id=</span><span class="s">"border"</span><span class="w"> </span><span class="na">d=</span><span class="s">"M0 0v162h264V0zm1 1h262v150.533l-11 9.166-12-10-12 10-12-10-12 10-12-10-12 10-12-10-12 10-12-10-12 10-12-10-12 10-12-10-12 10-12-10-12 10-12-10-12 10-12-10-12 10-11-9z"</span><span class="nt">/></span> <span class="w"> </span><span class="nt"></g></span> <span class="nt"></svg></span> </pre></div> <div lang="en" dir="ltr" class="mw-content-ltr"> <p>We will explain the different coding conventions in the following section. </p> </div> <p><span id="Automated_optimisation_(SVGO)"></span> </p> <div class="mw-heading mw-heading2"><h2 id="自動最適化_(SVGO)"><span id=".E8.87.AA.E5.8B.95.E6.9C.80.E9.81.A9.E5.8C.96_.28SVGO.29"></span>自動最適化 (SVGO)</h2></div> <p><span lang="en" dir="ltr" class="mw-content-ltr">SVGO was maintained by Kir Belevich (deepsweet<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>) and Lev Solntsev (GreLI<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>) from August 2012<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> to 2016<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> and since 2021 by Bogdan Chadkin (TrySound<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup>).</span> </p> <div lang="en" dir="ltr" class="mw-content-ltr"> <div class="mw-heading mw-heading3"><h3 id="How_to_use">How to use</h3></div> </div> <p><span lang="en" dir="ltr" class="mw-content-ltr">Is it recommended to install <code>svgo</code> from <a rel="nofollow" class="external free" href="https://github.com/svg/svgo">https://github.com/svg/svgo</a> or from <code>npm</code> for the command line.</span> <span lang="en" dir="ltr" class="mw-content-ltr">There is also an in-browser demo to help with preview and general understanding of the tool at <a rel="nofollow" class="external free" href="https://jakearchibald.github.io/svgomg/">https://jakearchibald.github.io/svgomg/</a>.</span> <span lang="en" dir="ltr" class="mw-content-ltr">This should not be used to create production files however.</span> </p> <div lang="en" dir="ltr" class="mw-content-ltr"> <div class="mw-heading mw-heading3"><h3 id="Safe_plugins:">Safe plugins:</h3></div> </div> <p><span lang="en" dir="ltr" class="mw-content-ltr">As some SVGO default plugins (options) might result in unexpected appearance with more complex SVGs, we differentiate between safe, considerably less-safe and unsafe plugins.</span> <span lang="en" dir="ltr" class="mw-content-ltr">Set the "transformPrecision" at least to 7 to reduce the rist of breaking files.</span><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> <span lang="en" dir="ltr" class="mw-content-ltr">When using unsafe plugins it's recommended to verify before and after diffing per file to ensure visual quality.</span> </p><p><span lang="en" dir="ltr" class="mw-content-ltr">Mentioning only plugins, that are changed from default setting or that might be counter-intuitive:</span> </p> <ul><li><span lang="en" dir="ltr" class="mw-content-ltr">Sorting attributes <code>sortAttrs</code>.</span><br /><span lang="en" dir="ltr" class="mw-content-ltr">Enable by setting to <code class="mw-highlight mw-highlight-lang-php mw-content-ltr" style="" dir="ltr"><span class="k">true</span></code>; disabled by default</span></li> <li><span lang="en" dir="ltr" class="mw-content-ltr">Remove or cleanup <code>enable-background</code> attribute when possible <code>cleanupEnableBackground</code>.</span><br /><span lang="en" dir="ltr" class="mw-content-ltr">Deprecated attribute, only supported by IE/Edge; enabled by default</span></li></ul> <p><span lang="en" dir="ltr" class="mw-content-ltr">See <a rel="nofollow" class="external text" href="https://github.com/svg/svgo">SVGO Readme for other enabled, safe plugins</a>.</span> </p><p><b><span lang="en" dir="ltr" class="mw-content-ltr">Plugins to consider carefully:</span></b>  </p> <table class="wikitable"> <tbody><tr> <td><code>cleanupIDs</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">Remove unused and minify used IDs</span><br /><span lang="en" dir="ltr" class="mw-content-ltr">Might negatively affect readability<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> and breaks some files<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup>; enabled by default</span> </td></tr> <tr> <td><code>removeRasterImages</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">As general rule dangerous, could cause data loss, some raster-images are difficult to spot</span><sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup>; <span lang="en" dir="ltr" class="mw-content-ltr">disabled by default</span> </td></tr> <tr> <td><code>inlineStyles</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">Some users prefer to use CSS than inlineStyles, can reduce editability</span><sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>removeDoctype</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">For SVG 1.1 there is not reason to remove it, however for the upcommong SVG2-draft it will be deapreciated</span><sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </td></tr></tbody></table> <p><b><span lang="en" dir="ltr" class="mw-content-ltr">Unsafe rules to disable (don't use!):</span></b> </p> <table class="wikitable"> <tbody><tr> <td><code>convertPathData</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">Might cause (i) imprecise rendering, (ii) wrong rendering by librsvg<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup>, (iii) breaking files<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup>; enabled by default</span> </td></tr> <tr> <td><code>cleanupListOfValues</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">Round/rewrite number lists breaks Wikimedia-renderin</span><sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>convertShapeToPath</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr"> can reduce readability</span><sup id="cite_ref-notConvert_18-0" class="reference"><a href="#cite_note-notConvert-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> <span lang="en" dir="ltr" class="mw-content-ltr">and breaks files</span><sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>removeXMLProcInst</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">Remove XML processing instructions, aka XML declaration</span><sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> <code class="mw-highlight mw-highlight-lang-xml mw-content-ltr" dir="ltr"><span class="cp"><?xml version="1.0" encoding="UTF-8"?></span></code> <br /><span lang="en" dir="ltr" class="mw-content-ltr">Issues when viewed as standalone file in some editors, also possible issues with MIME type interpretation</span><br /><span lang="en" dir="ltr" class="mw-content-ltr">Example: If the SVG doesn't start with an XML declaration, then its MIME type will be detected as <code>text/plain</code> rather than <code>image/svg+xml</code> by libmagic and consequently, MediaWiki's CSSMin CSS minifier.</span> <span lang="en" dir="ltr" class="mw-content-ltr">libmagic's default database currently requires that <a rel="nofollow" class="external text" href="https://github.com/threatstack/libmagic/blob/master/magic/Magdir/sgml#L5">SVGs contain an XML declaration</a>; disable by setting to <code class="mw-highlight mw-highlight-lang-php mw-content-ltr" style="" dir="ltr"><span class="k">false</span></code>; enabled by default</span> </td></tr> <tr> <td><code>removeTitle</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">Remove <code class="mw-highlight" style="white-space:nowrap"><span class="p">‎<</span><span class="nt">title</span><span class="p">></span></code></span> <br /><span lang="en" dir="ltr" class="mw-content-ltr">Problematic for accessibility reasons<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup>; set to <code class="mw-highlight mw-highlight-lang-php mw-content-ltr" style="" dir="ltr"><span class="k">false</span></code>; enabled by default</span> </td></tr> <tr> <td><code>removeDesc</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">Remove <code class="mw-highlight" style="white-space:nowrap"><span class="p">‎<</span><span class="nt">desc</span><span class="p">></span></code></span><br /><span lang="en" dir="ltr" class="mw-content-ltr">Problematic for accessibility reasons; set to <code class="mw-highlight mw-highlight-lang-php mw-content-ltr" style="" dir="ltr"><span class="k">false</span></code>; enabled by default</span> </td></tr> <tr> <td><code>removeViewBox</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">Remove <code>viewBox</code> attribute</span><br /><span lang="en" dir="ltr" class="mw-content-ltr">Results in troublesome appearance in some browsers, therefore both, <code>width</code>/<code>height</code> and <code>viewbox</code> should be featured; set to <code class="mw-highlight mw-highlight-lang-php mw-content-ltr" style="" dir="ltr"><span class="k">false</span></code>; enabled by default</span> </td></tr> <tr> <td><code>removeDimensions</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">Remove dimensions <code>width</code>/<code>height</code> when <code>viewbox</code> is available</span><br /><span lang="en" dir="ltr" class="mw-content-ltr">As above; set to <code class="mw-highlight mw-highlight-lang-php mw-content-ltr" style="" dir="ltr"><span class="k">false</span></code>; disabled by default</span> </td></tr> <tr> <td><code>removeMetadata</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">Possible Copyright-Information</span><sup id="cite_ref-invalidkept_23-0" class="reference"><a href="#cite_note-invalidkept-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>removeHiddenElems</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">Possible reference lines, editor data, real text before convertion, Copyright-informations</span><sup id="cite_ref-invalidkept_23-1" class="reference"><a href="#cite_note-invalidkept-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>removeUnknownsAndDefaults</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">removes <a href="https://commons.wikimedia.org/wiki/User:JoKalliauer/RepairFlowRoot" class="extiw" title="c:User:JoKalliauer/RepairFlowRoot">Flow-Text</a></span> <sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>cleanupNumericValues</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">breaks some files</span> <sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>minifyStyles</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">breaks some files</span><sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>removeComments</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">reduces readability and possible removes reference lines, editor data, real text before convertion, Copyright-informations</span><sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>removeEditorsNSData</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">reduces editability with GUI-SVG-Editors</span><sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>collapseGroups</code> </td> <td>reduced readability and editability <sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> and breaks some files<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>removeStyleElement</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">breaks some files</span><sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>removeOffCanvasPaths</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">breaks some files</span><sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>removeEmptyContainers</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">breaks some files</span><sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>removeElementsByAttr</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">breaks some files</span><sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>convertStyleToAttrs</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">breaks some files</span><sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>convertTransform</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">breaks some files</span><sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-40" class="reference"><a href="#cite_note-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>cleanupNumericValues</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">breaks some files</span> <sup id="cite_ref-41" class="reference"><a href="#cite_note-41"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>inlineStyles</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">breaks some CSS-features</span><sup id="cite_ref-42" class="reference"><a href="#cite_note-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><code>reusePaths</code> </td> <td><span lang="en" dir="ltr" class="mw-content-ltr">breaks some files</span> <sup id="cite_ref-43" class="reference"><a href="#cite_note-43"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup> </td></tr></tbody></table> <p><br /> <span id="Exemplified_safe_configuration"></span> </p> <div class="mw-heading mw-heading3"><h3 id="安全な構成例"><span id=".E5.AE.89.E5.85.A8.E3.81.AA.E6.A7.8B.E6.88.90.E4.BE.8B"></span>安全な構成例</h3></div> <p>これはsvgo v1.x用であることに注意してください。v2.xでは異なるCLI引数を取ります。 </p><p><code>$ svgo path/to/image.svg --disable={cleanupIDs,convertPathData,removeDesc,removeTitle,removeViewBox,removeXMLProcInst} --enable='sortAttrs' --pretty --final-newline</code> </p><p>人間が読みやすいコードには <code>pretty</code> 出力を使用し、その過程でコードをタブでインデントします。 </p><p><span id="Exemplified_safe_configuration_(.svgo.config.js)"></span> </p> <div class="mw-heading mw-heading3"><h3 id="安全な構成例(.svgo.config.js)"><span id=".E5.AE.89.E5.85.A8.E3.81.AA.E6.A7.8B.E6.88.90.E4.BE.8B.28.svgo.config.js.29"></span>安全な構成例(.svgo.config.js)</h3></div> <p><b>2023年6月</b> - <span lang="en" dir="ltr" class="mw-content-ltr">SVGO v3.0.0+ compatibility, amending to new <code>cleanupIds</code> plugin name.</span> (<a href="https://phabricator.wikimedia.org/T324899" class="extiw" title="phab:T324899">phab:T324899</a>) </p><p><b>2022年1月</b> - <span lang="en" dir="ltr" class="mw-content-ltr">NPM run scripts enabled SVGO configuration.</span> (<a href="https://phabricator.wikimedia.org/T246321" class="extiw" title="phab:T246321">phab:T246321</a>) </p> <div class="mw-highlight mw-highlight-lang-js mw-content-ltr" dir="ltr"><pre><span></span><span class="cm">/**</span> <span class="cm"> * SVGO Configuration</span> <span class="cm"> * Compatible to v3.0.0+</span> <span class="cm"> * 推奨オプション:</span> <span class="cm"> * https://www.mediawiki.org/wiki/Manual:Coding_conventions/SVG#Exemplified_safe_configuration</span> <span class="cm"> */</span> <span class="s1">'use strict'</span><span class="p">;</span> <span class="nx">module</span><span class="p">.</span><span class="nx">exports</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{</span> <span class="w"> </span><span class="nx">plugins</span><span class="o">:</span><span class="w"> </span><span class="p">[</span> <span class="w"> </span><span class="p">{</span> <span class="w"> </span><span class="c1">// Set of built-in plugins enabled by default.</span> <span class="w"> </span><span class="nx">name</span><span class="o">:</span><span class="w"> </span><span class="s1">'preset-default'</span><span class="p">,</span> <span class="w"> </span><span class="nx">params</span><span class="o">:</span><span class="w"> </span><span class="p">{</span> <span class="w"> </span><span class="nx">overrides</span><span class="o">:</span><span class="w"> </span><span class="p">{</span> <span class="w"> </span><span class="nx">cleanupIds</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="p">,</span> <span class="w"> </span><span class="nx">removeDesc</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="p">,</span> <span class="w"> </span><span class="nx">removeTitle</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="p">,</span> <span class="w"> </span><span class="nx">removeViewBox</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="p">,</span> <span class="w"> </span><span class="c1">// SVG の冒頭に XML 宣言を書かないと、libmagicは自動処理でMIME 種別を "image/svg+xml" ではなく "text/plain" と検出して、その結果、MediaWikiの CSSMin CSS 圧縮機能だと判断します。</span> <span class="w"> </span><span class="c1">// libmagicに対する既定のデータベースの要件により、現状では SVG 画像に次のような XML 宣言を書き込みます。</span> <span class="w"> </span><span class="c1">// https://github.com/threatstack/libmagic/blob/master/magic/Magdir/sgml#L5</span> <span class="w"> </span><span class="nx">removeXMLProcInst</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c1">// https://phabricator.wikimedia.org/T327446</span> <span class="w"> </span><span class="nx">convertPathData</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c1">// https://github.com/svg/svgo/issues/880 https://github.com/svg/svgo/issues/1487</span> <span class="w"> </span><span class="nx">removeMetadata</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c1">// Copyright-Violation</span> <span class="w"> </span><span class="nx">removeHiddenElems</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c1">// source for converted text2path</span> <span class="w"> </span><span class="nx">removeUnknownsAndDefaults</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c1">// removes Flow-Text: https://commons.wikimedia.org/wiki/User:JoKalliauer/RepairFlowRoot</span> <span class="w"> </span><span class="nx">cleanupNumericValues</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c1">// https://github.com/svg/svgo/issues/1080</span> <span class="w"> </span><span class="nx">minifyStyles</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c1">//https://github.com/svg/svgo/issues/888</span> <span class="w"> </span><span class="nx">removeComments</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c1">//reduces readability</span> <span class="w"> </span><span class="nx">removeEditorsNSData</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c1">// https://github.com/svg/svgo/issues/1096</span> <span class="w"> </span><span class="nx">collapseGroups</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c1">// https://github.com/svg/svgo/issues/1057</span> <span class="w"> </span><span class="nx">removeOffCanvasPaths</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c1">//https://github.com/svg/svgo/issues/1732</span> <span class="w"> </span><span class="nx">removeEmptyContainers</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c1">// https://github.com/svg/svgo/issues/1194 https://github.com/svg/svgo/issues/1618</span> <span class="w"> </span><span class="nx">convertTransform</span><span class="o">:</span><span class="w"> </span><span class="nx">fasle</span><span class="w"> </span><span class="c1">// https://github.com/svg/svgo/issues/988 https://github.com/svg/svgo/issues/1021</span> <span class="w"> </span><span class="nx">cleanupNumericValues</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c1">// https://github.com/svg/svgo/issues/1080</span> <span class="w"> </span><span class="nx">inlineStyles</span><span class="o">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span><span class="c1">// https://github.com/svg/svgo/issues/1486</span> <span class="w"> </span><span class="p">}</span> <span class="w"> </span><span class="p">}</span> <span class="w"> </span><span class="p">},</span> <span class="w"> </span><span class="s1">'removeRasterImages'</span><span class="p">,</span> <span class="w"> </span><span class="s1">'sortAttrs'</span> <span class="w"> </span><span class="p">],</span> <span class="w"> </span><span class="c1">// Set whitespace according to Wikimedia Coding Conventions.</span> <span class="w"> </span><span class="c1">// @see https://github.com/svg/svgo/blob/main/lib/stringifier.js#L39 for available options.</span> <span class="w"> </span><span class="nx">js2svg</span><span class="o">:</span><span class="w"> </span><span class="p">{</span> <span class="w"> </span><span class="nx">eol</span><span class="o">:</span><span class="w"> </span><span class="s1">'lf'</span><span class="p">,</span> <span class="w"> </span><span class="nx">finalNewline</span><span class="o">:</span><span class="w"> </span><span class="kc">true</span><span class="p">,</span> <span class="w"> </span><span class="c1">// タブでインデント処理ができるように設定 (既定でスペース4個)、ここでは '--pretty' を使って処理。</span> <span class="w"> </span><span class="nx">indent</span><span class="o">:</span><span class="w"> </span><span class="s2">"\t"</span><span class="p">,</span> <span class="w"> </span><span class="nx">pretty</span><span class="o">:</span><span class="w"> </span><span class="kc">true</span> <span class="w"> </span><span class="p">},</span> <span class="w"> </span><span class="nx">multipass</span><span class="o">:</span><span class="w"> </span><span class="kc">true</span> <span class="p">}</span> </pre></div> <p><span id="Exemplified_safe_configuration_(Gruntfile.js)"></span> </p> <div class="mw-heading mw-heading3"><h3 id="安全な構成例(Gruntfile.js)"><span id=".E5.AE.89.E5.85.A8.E3.81.AA.E6.A7.8B.E6.88.90.E4.BE.8B.28Gruntfile.js.29"></span>安全な構成例(Gruntfile.js)</h3></div> <pre lang="js">svgmin: { options: { js2svg: { indent: '\t', pretty: true }, plugins: [ { cleanupIDs: false }, { removeDesc: false }, { removeRasterImages: true }, { removeTitle: false }, { removeViewBox: false }, { removeXMLProcInst: false }, { sortAttrs: true }, { convertPathData: false // https://github.com/svg/svgo/issues/880 }, { removeMetadata: false // Copyright-Violation }, { removeHiddenElems: false // source for converted text2path }, { removeUnknownsAndDefaults: false // removes Flow-Text }, { cleanupNumericValues: false // https://github.com/svg/svgo/issues/1080 }, { minifyStyles: false //https://github.com/svg/svgo/issues/888 }, { removeComments: false //reduces readability }, { removeEditorsNSData: false // https://github.com/svg/svgo/issues/1096 }, { collapseGroups: false // https://github.com/svg/svgo/issues/1057 }, { removeOffCanvasPaths: false //https://github.com/svg/svgo/issues/1732 }, { removeEmptyContainers:false // https://github.com/svg/svgo/issues/1194 https://github.com/svg/svgo/issues/1618 }, { convertTransform: fasle // https://github.com/svg/svgo/issues/988 https://github.com/svg/svgo/issues/1021 }, { cleanupNumericValues: false // https://github.com/svg/svgo/issues/1080 }, { inlineStyles: false // https://github.com/svg/svgo/issues/1486 } ] } } </pre> <p><span id="Manual_optimisation"></span> </p> <div class="mw-heading mw-heading2"><h2 id="手動最適化"><span id=".E6.89.8B.E5.8B.95.E6.9C.80.E9.81.A9.E5.8C.96"></span>手動最適化</h2></div> <div lang="en" dir="ltr" class="mw-content-ltr"> <p>Beyond automated optimising SVGs there are further steps to consider: </p> </div> <ul><li><span lang="en" dir="ltr" class="mw-content-ltr">retain the following code <code>xml:space="preserve"</code>, <code>   </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://www.mediawiki.org/w/index.php?title=Manual:Coding_conventions/SVG/ja&oldid=6303207">https://www.mediawiki.org/w/index.php?title=Manual:Coding_conventions/SVG/ja&oldid=6303207</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" 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