import{_ as t,c as r,z as s,E as l,B as n,R as a,a as o,G as c,o as p}from"./chunks/framework.ade46834.js";const es=JSON.parse('{"title":"Errors","description":"Raise compiler errors in your code examples to show incorrect states.","frontmatter":{"description":"Raise compiler errors in your code examples to show incorrect states.","title":"Errors"},"headers":[],"relativePath":"application/vitepress-plugin-shiki-twoslash/api/errors.md","filePath":"application/vitepress-plugin-shiki-twoslash/api/errors.md","lastUpdated":1686508387000}'),i={name:"application/vitepress-plugin-shiki-twoslash/api/errors.md"},d=a('<h1 id="errors" tabindex="-1">Errors <a class="header-anchor" href="#errors" aria-label="Permalink to &quot;Errors&quot;">​</a></h1><p>Most of the time, you want to avoid errors in your code examples. Strictly speaking, this usually means setting the right compiler flags and environment in each code example.</p><p>Sometimes however, you do want to raise a compiler error — to show incorrect states. In those cases, twoslash has a way to mark the compiler errors you expect.</p><h2 id="errors-num" tabindex="-1"><code>@errors: [num]</code> <a class="header-anchor" href="#errors-num" aria-label="Permalink to &quot;`@errors: [num]`&quot;">​</a></h2><p>All TypeScript compiler errors have a number, this number is relatively arbitrary and can change between TypeScript versions. For our case these numbers are useul in declaring what we expect to see.</p><p>You can use <code>// @errors: [num]</code> to tell Twoslash that you expect this error to occur. This moves the compiler error message into the code example.</p>',6),y={class:"vp-code-group vp-adaptive-theme"},h=a('<div class="tabs"><input type="radio" name="group-0m_8R" id="tab-uEpf3Ow" checked="checked"><label for="tab-uEpf3Ow">output</label><input type="radio" name="group-0m_8R" id="tab-B37hu99"><label for="tab-B37hu99">markdown</label></div>',1),_={class:"blocks"},u={class:"language-ts vp-adaptive-theme active line-numbers-mode"},m=s("button",{title:"Copy Code",class:"copy"},null,-1),b=s("span",{class:"lang"},"ts",-1),v={class:"shiki solarized-dark twoslash lsp",style:{"background-color":"#002B36",color:"#839496"},active:"true"},g=s("div",{class:"language-id"},"ts",-1),B={class:"code-container"},k=s("div",{class:"line"},[s("span",{style:{color:"#93A1A1"}},"const"),s("span",{style:{color:"#839496"}}," "),s("span",{style:{color:"#268BD2"}},[s("data-lsp",{lsp:'const a: "123"'},"a")]),s("span",{style:{color:"#839496"}}," 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"123"'},"a")]),s("span",{style:{color:"#657B83"}}," "),s("span",{style:{color:"#859900"}},"="),s("span",{style:{color:"#657B83"}}," "),s("span",{style:{color:"#2AA198"}},"'123'")],-1),N={class:"line"},q={style:{color:"#268BD2"}},I=s("data-lsp",{lsp:"const a: any"},"a",-1),F=s("span",{style:{color:"#657B83"}}," ",-1),Q=s("span",{style:{color:"#859900"}},"=",-1),$=s("span",{style:{color:"#657B83"}}," ",-1),M=s("span",{style:{color:"#D33682"}},"132",-1),O=s("span",{class:"error"},[s("span",null,"Cannot assign to 'a' because it is a constant."),s("span",{class:"code"},"2588")],-1),Y=s("span",{class:"error-behind"},"Cannot assign to 'a' because it is a constant.",-1),Z=s("div",{class:"line-numbers-wrapper","aria-hidden":"true"},[s("span",{class:"line-number"},"1"),s("br")],-1),j=a('<div class="language-md vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">md</span><pre class="shiki solarized-dark vp-code-dark"><code><span class="line"><span style="color:#839496;">```ts twoslash</span></span>\n<span class="line"><span style="color:#586E75;font-style:italic;">// @errors: 2588</span></span>\n<span class="line"><span style="color:#93A1A1;font-weight:bold;">const</span><span style="color:#839496;"> </span><span style="color:#268BD2;">a</span><span style="color:#839496;"> </span><span style="color:#859900;">=</span><span style="color:#839496;"> </span><span style="color:#2AA198;">&#39;123&#39;</span></span>\n<span class="line"><span style="color:#268BD2;">a</span><span style="color:#839496;"> </span><span style="color:#859900;">=</span><span style="color:#839496;"> </span><span style="color:#D33682;">132</span></span>\n<span class="line"><span style="color:#839496;">```</span></span></code></pre><pre class="shiki solarized-light vp-code-light"><code><span class="line"><span style="color:#657B83;">```ts twoslash</span></span>\n<span class="line"><span style="color:#93A1A1;font-style:italic;">// @errors: 2588</span></span>\n<span class="line"><span style="color:#586E75;font-weight:bold;">const</span><span style="color:#657B83;"> </span><span style="color:#268BD2;">a</span><span style="color:#657B83;"> </span><span style="color:#859900;">=</span><span style="color:#657B83;"> </span><span style="color:#2AA198;">&#39;123&#39;</span></span>\n<span class="line"><span style="color:#268BD2;">a</span><span style="color:#657B83;"> </span><span style="color:#859900;">=</span><span style="color:#657B83;"> </span><span style="color:#D33682;">132</span></span>\n<span class="line"><span style="color:#657B83;">```</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span 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