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<title>迁移到 LiquidJS 9 | LiquidJS</title>
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<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link current">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
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<header class="article-header">
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<h1 class="article-title" itemprop="name">迁移到 LiquidJS 9</h1>
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<a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/edit/master/docs/source/zh-cn/tutorials/migrate-to-9.md" class="article-edit-link" title="改进这篇文档"><i class="icon-pencil"></i></a>
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</header>
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<div class="article-content" itemprop="articleBody">
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<p>LiquidJS 9 有一些基础性的改进，包括一些缺陷修复、新特性、性能提升，也有一些不兼容的变更。</p>
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<h2 id="新特性" class="article-heading"><a href="#新特性" class="headerlink" title="新特性"></a>新特性<a class="article-anchor" href="#新特性" aria-hidden="true"></a></h2><ul>
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<li>同步渲染：新增了 renderSync, parseAndRenderSync, renderFileSync API</li>
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<li>新的工具：Expression 和 Tokenizer</li>
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</ul>
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<h2 id="修复" class="article-heading"><a href="#修复" class="headerlink" title="修复"></a>修复<a class="article-anchor" href="#修复" aria-hidden="true"></a></h2><ul>
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<li>布尔逻辑运算顺序，见 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/issues/130">#130</a>；</li>
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<li><code>break</code> 和 <code>continue</code> 会忽略它们之前的代码，见 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/issues/123">#123</a>；</li>
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<li>React.js 示例无法正确 yarn install，见 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/issues/145">#145</a>；</li>
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<li>有时没有正确地等待 Promise 类型的 Drops。</li>
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</ul>
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<h2 id="性能" class="article-heading"><a href="#性能" class="headerlink" title="性能"></a>性能<a class="article-anchor" href="#性能" aria-hidden="true"></a></h2><ul>
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<li>目标平台提升到 Node.js 8 引起的性能提升（去掉了一些 Polyfill），见 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/issues/137">#137</a>；</li>
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<li>内存使用降低了 57.5%，见 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/pull/202">#202</a>；</li>
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<li>渲染性能提升了 100.3%，见 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/pull/205">#205</a>。</li>
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</ul>
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<h2 id="不兼容的变更" class="article-heading"><a href="#不兼容的变更" class="headerlink" title="不兼容的变更"></a>不兼容的变更<a class="article-anchor" href="#不兼容的变更" aria-hidden="true"></a></h2><ul>
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<li>LiquidJS 不再有默认导出了，以后要使用 <code>import {Liquid} from 'liquidjs'</code> 语法。使用 UMD 包里的 <code>window.Liquid</code> 也需要改为 <code>window.liquidjs.Liquid</code>；</li>
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<li>移除了重复的静态方法 <code>Liquid.evalValue</code>，统一使用示例方法 <code>liquid.evalValue</code>；</li>
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<li>支持的最低目标平台为 Node.js 8，CJS 包（Node.js 下的主入口）不再支持 Node.js ≤ 6 了，ESM（dist/liquid.browser.esm.js）和 UMD（dist/liquid.browser.umd.js, dist/liquid.browser.min.js）包不受影响。</li>
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</ul>
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<footer class="article-footer">
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<time class="article-footer-updated" datetime="2023-06-03T18:24:33.900Z" itemprop="dateModified">上次更新：2023-06-03</time>
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<a href="truthy-and-falsy.html" class="article-footer-prev" title="真和假"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="changelog.html" class="article-footer-next" title="更新日志"><span>下一页</span><i class="icon-chevron-right"></i></a>
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<strong class="sidebar-title">目录</strong>
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<ol class="toc"><li class="toc-item toc-level-2"><a class="toc-link" href="#%E6%96%B0%E7%89%B9%E6%80%A7"><span class="toc-text">新特性</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E4%BF%AE%E5%A4%8D"><span class="toc-text">修复</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E6%80%A7%E8%83%BD"><span class="toc-text">性能</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E4%B8%8D%E5%85%BC%E5%AE%B9%E7%9A%84%E5%8F%98%E6%9B%B4"><span class="toc-text">不兼容的变更</span></a></li></ol>
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© 2023 <a href="https://github.com/harttle/liquidjs/graphs/contributors" rel="external nofollow noreferrer" target="_blank">Harttle</a><br>
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<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link current">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
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