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harttle
@@ -38,17 +38,17 @@ the given {ArrayBuffer}/{SharedArrayBuffer}.</p>
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for pooling. This value may be modified.</p>
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</div><div class="tsd-comment tsd-typography"><h4 class="tsd-anchor-link"><a id="Since" class="tsd-anchor"></a>Since<a href="#Since" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h4><p>v0.11.3</p>
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</div><aside class="tsd-sources"><ul><li>Defined in node_modules/@types/node/buffer.d.ts:641</li></ul></aside></section></section></details><details class="tsd-panel-group tsd-member-group tsd-accordion" open><summary class="tsd-accordion-summary" data-key="section-Methods"><h2><svg width="20" height="20" viewBox="0 0 24 24" fill="none"><use href="../assets/icons.svg#icon-chevronDown"></use></svg> Methods</h2></summary><section><section class="tsd-panel tsd-member tsd-is-external"><a id="alloc" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>alloc</span><a href="#alloc" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-external"><li class="tsd-signature tsd-anchor-link"><a id="alloc.alloc-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">alloc</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">size</span>, <span class="tsd-kind-parameter">fill</span><span class="tsd-signature-symbol">?</span>, <span class="tsd-kind-parameter">encoding</span><span class="tsd-signature-symbol">?</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="_internal_.Buffer.html" class="tsd-signature-type tsd-kind-interface">Buffer</a><a href="#alloc.alloc-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><div class="tsd-comment tsd-typography"><p>Allocates a new <code>Buffer</code> of <code>size</code> bytes. If <code>fill</code> is <code>undefined</code>, the<code>Buffer</code> will be zero-filled.</p>
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<pre><code class="js"><span class="hl-9">import</span><span class="hl-1"> { </span><span class="hl-10">Buffer</span><span class="hl-1"> } </span><span class="hl-9">from</span><span class="hl-1"> </span><span class="hl-2">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">buf</span><span class="hl-1"> = </span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">alloc</span><span class="hl-1">(</span><span class="hl-13">5</span><span class="hl-1">);</span><br/><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-10">buf</span><span class="hl-1">);</span><br/><span class="hl-12">// Prints: <Buffer 00 00 00 00 00></span>
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<pre><code class="js"><span class="hl-0">import</span><span class="hl-1"> { </span><span class="hl-2">Buffer</span><span class="hl-1"> } </span><span class="hl-0">from</span><span class="hl-1"> </span><span class="hl-3">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">buf</span><span class="hl-1"> = </span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">alloc</span><span class="hl-1">(</span><span class="hl-13">5</span><span class="hl-1">);</span><br/><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-2">buf</span><span class="hl-1">);</span><br/><span class="hl-7">// Prints: <Buffer 00 00 00 00 00></span>
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</code><button type="button">Copy</button></pre>
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<p>If <code>size</code> is larger than constants.MAX_LENGTH or smaller than 0, <code>ERR_OUT_OF_RANGE</code> is thrown.</p>
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<p>If <code>fill</code> is specified, the allocated <code>Buffer</code> will be initialized by calling <code>buf.fill(fill)</code>.</p>
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<pre><code class="js"><span class="hl-9">import</span><span class="hl-1"> { </span><span class="hl-10">Buffer</span><span class="hl-1"> } </span><span class="hl-9">from</span><span class="hl-1"> </span><span class="hl-2">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">buf</span><span class="hl-1"> = </span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">alloc</span><span class="hl-1">(</span><span class="hl-13">5</span><span class="hl-1">, </span><span class="hl-2">'a'</span><span class="hl-1">);</span><br/><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-10">buf</span><span class="hl-1">);</span><br/><span class="hl-12">// Prints: <Buffer 61 61 61 61 61></span>
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<pre><code class="js"><span class="hl-0">import</span><span class="hl-1"> { </span><span class="hl-2">Buffer</span><span class="hl-1"> } </span><span class="hl-0">from</span><span class="hl-1"> </span><span class="hl-3">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">buf</span><span class="hl-1"> = </span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">alloc</span><span class="hl-1">(</span><span class="hl-13">5</span><span class="hl-1">, </span><span class="hl-3">'a'</span><span class="hl-1">);</span><br/><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-2">buf</span><span class="hl-1">);</span><br/><span class="hl-7">// Prints: <Buffer 61 61 61 61 61></span>
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</code><button type="button">Copy</button></pre>
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<p>If both <code>fill</code> and <code>encoding</code> are specified, the allocated <code>Buffer</code> will be
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initialized by calling <code>buf.fill(fill, encoding)</code>.</p>
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<pre><code class="js"><span class="hl-9">import</span><span class="hl-1"> { </span><span class="hl-10">Buffer</span><span class="hl-1"> } </span><span class="hl-9">from</span><span class="hl-1"> </span><span class="hl-2">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">buf</span><span class="hl-1"> = </span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">alloc</span><span class="hl-1">(</span><span class="hl-13">11</span><span class="hl-1">, </span><span class="hl-2">'aGVsbG8gd29ybGQ='</span><span class="hl-1">, </span><span class="hl-2">'base64'</span><span class="hl-1">);</span><br/><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-10">buf</span><span class="hl-1">);</span><br/><span class="hl-12">// Prints: <Buffer 68 65 6c 6c 6f 20 77 6f 72 6c 64></span>
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<pre><code class="js"><span class="hl-0">import</span><span class="hl-1"> { </span><span class="hl-2">Buffer</span><span class="hl-1"> } </span><span class="hl-0">from</span><span class="hl-1"> </span><span class="hl-3">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">buf</span><span class="hl-1"> = </span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">alloc</span><span class="hl-1">(</span><span class="hl-13">11</span><span class="hl-1">, </span><span class="hl-3">'aGVsbG8gd29ybGQ='</span><span class="hl-1">, </span><span class="hl-3">'base64'</span><span class="hl-1">);</span><br/><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-2">buf</span><span class="hl-1">);</span><br/><span class="hl-7">// Prints: <Buffer 68 65 6c 6c 6f 20 77 6f 72 6c 64></span>
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</code><button type="button">Copy</button></pre>
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<p>Calling <code>Buffer.alloc()</code> can be measurably slower than the alternative <code>Buffer.allocUnsafe()</code> but ensures that the newly created <code>Buffer</code> instance
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@@ -62,7 +62,7 @@ data that might not have been allocated for <code>Buffer</code>s.</p>
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</div><aside class="tsd-sources"><ul><li>Defined in node_modules/@types/node/buffer.d.ts:554</li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-external"><a id="allocUnsafe" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>alloc<wbr/>Unsafe</span><a href="#allocUnsafe" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-external"><li class="tsd-signature tsd-anchor-link"><a id="allocUnsafe.allocUnsafe-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">alloc<wbr/>Unsafe</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">size</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="_internal_.Buffer.html" class="tsd-signature-type tsd-kind-interface">Buffer</a><a href="#allocUnsafe.allocUnsafe-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><div class="tsd-comment tsd-typography"><p>Allocates a new <code>Buffer</code> of <code>size</code> bytes. If <code>size</code> is larger than constants.MAX_LENGTH or smaller than 0, <code>ERR_OUT_OF_RANGE</code> is thrown.</p>
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<p>The underlying memory for <code>Buffer</code> instances created in this way is <em>not</em>
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<em>initialized</em>. The contents of the newly created <code>Buffer</code> are unknown and <em>may contain sensitive data</em>. Use <code>Buffer.alloc()</code> instead to initialize<code>Buffer</code> instances with zeroes.</p>
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<pre><code class="js"><span class="hl-9">import</span><span class="hl-1"> { </span><span class="hl-10">Buffer</span><span class="hl-1"> } </span><span class="hl-9">from</span><span class="hl-1"> </span><span class="hl-2">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">buf</span><span class="hl-1"> = </span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">allocUnsafe</span><span class="hl-1">(</span><span class="hl-13">10</span><span class="hl-1">);</span><br/><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-10">buf</span><span class="hl-1">);</span><br/><span class="hl-12">// Prints (contents may vary): <Buffer a0 8b 28 3f 01 00 00 00 50 32></span><br/><br/><span class="hl-10">buf</span><span class="hl-1">.</span><span class="hl-0">fill</span><span class="hl-1">(</span><span class="hl-13">0</span><span class="hl-1">);</span><br/><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-10">buf</span><span class="hl-1">);</span><br/><span class="hl-12">// Prints: <Buffer 00 00 00 00 00 00 00 00 00 00></span>
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<pre><code class="js"><span class="hl-0">import</span><span class="hl-1"> { </span><span class="hl-2">Buffer</span><span class="hl-1"> } </span><span class="hl-0">from</span><span class="hl-1"> </span><span class="hl-3">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">buf</span><span class="hl-1"> = </span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">allocUnsafe</span><span class="hl-1">(</span><span class="hl-13">10</span><span class="hl-1">);</span><br/><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-2">buf</span><span class="hl-1">);</span><br/><span class="hl-7">// Prints (contents may vary): <Buffer a0 8b 28 3f 01 00 00 00 50 32></span><br/><br/><span class="hl-2">buf</span><span class="hl-1">.</span><span class="hl-6">fill</span><span class="hl-1">(</span><span class="hl-13">0</span><span class="hl-1">);</span><br/><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-2">buf</span><span class="hl-1">);</span><br/><span class="hl-7">// Prints: <Buffer 00 00 00 00 00 00 00 00 00 00></span>
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</code><button type="button">Copy</button></pre>
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<p>A <code>TypeError</code> will be thrown if <code>size</code> is not a number.</p>
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@@ -92,7 +92,7 @@ many individual <code>ArrayBuffer</code> objects.</p>
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memory from a pool for an indeterminate amount of time, it may be appropriate
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to create an un-pooled <code>Buffer</code> instance using <code>Buffer.allocUnsafeSlow()</code> and
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then copying out the relevant bits.</p>
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<pre><code class="js"><span class="hl-9">import</span><span class="hl-1"> { </span><span class="hl-10">Buffer</span><span class="hl-1"> } </span><span class="hl-9">from</span><span class="hl-1"> </span><span class="hl-2">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-12">// Need to keep around a few small chunks of memory.</span><br/><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">store</span><span class="hl-1"> = [];</span><br/><br/><span class="hl-10">socket</span><span class="hl-1">.</span><span class="hl-0">on</span><span class="hl-1">(</span><span class="hl-2">'readable'</span><span class="hl-1">, () </span><span class="hl-8">=></span><span class="hl-1"> {</span><br/><span class="hl-1"> </span><span class="hl-8">let</span><span class="hl-1"> </span><span class="hl-10">data</span><span class="hl-1">;</span><br/><span class="hl-1"> </span><span class="hl-9">while</span><span class="hl-1"> (</span><span class="hl-8">null</span><span class="hl-1"> !== (</span><span class="hl-10">data</span><span class="hl-1"> = </span><span class="hl-10">readable</span><span class="hl-1">.</span><span class="hl-0">read</span><span class="hl-1">())) {</span><br/><span class="hl-1"> </span><span class="hl-12">// Allocate for retained data.</span><br/><span class="hl-1"> </span><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">sb</span><span class="hl-1"> = </span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">allocUnsafeSlow</span><span class="hl-1">(</span><span class="hl-13">10</span><span class="hl-1">);</span><br/><br/><span class="hl-1"> </span><span class="hl-12">// Copy the data into the new allocation.</span><br/><span class="hl-1"> </span><span class="hl-10">data</span><span class="hl-1">.</span><span class="hl-0">copy</span><span class="hl-1">(</span><span class="hl-10">sb</span><span class="hl-1">, </span><span class="hl-13">0</span><span class="hl-1">, </span><span class="hl-13">0</span><span class="hl-1">, </span><span class="hl-13">10</span><span class="hl-1">);</span><br/><br/><span class="hl-1"> </span><span class="hl-10">store</span><span class="hl-1">.</span><span class="hl-0">push</span><span class="hl-1">(</span><span class="hl-10">sb</span><span class="hl-1">);</span><br/><span class="hl-1"> }</span><br/><span class="hl-1">});</span>
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<pre><code class="js"><span class="hl-0">import</span><span class="hl-1"> { </span><span class="hl-2">Buffer</span><span class="hl-1"> } </span><span class="hl-0">from</span><span class="hl-1"> </span><span class="hl-3">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-7">// Need to keep around a few small chunks of memory.</span><br/><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">store</span><span class="hl-1"> = [];</span><br/><br/><span class="hl-2">socket</span><span class="hl-1">.</span><span class="hl-6">on</span><span class="hl-1">(</span><span class="hl-3">'readable'</span><span class="hl-1">, () </span><span class="hl-4">=></span><span class="hl-1"> {</span><br/><span class="hl-1"> </span><span class="hl-4">let</span><span class="hl-1"> </span><span class="hl-2">data</span><span class="hl-1">;</span><br/><span class="hl-1"> </span><span class="hl-0">while</span><span class="hl-1"> (</span><span class="hl-4">null</span><span class="hl-1"> !== (</span><span class="hl-2">data</span><span class="hl-1"> = </span><span class="hl-2">readable</span><span class="hl-1">.</span><span class="hl-6">read</span><span class="hl-1">())) {</span><br/><span class="hl-1"> </span><span class="hl-7">// Allocate for retained data.</span><br/><span class="hl-1"> </span><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">sb</span><span class="hl-1"> = </span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">allocUnsafeSlow</span><span class="hl-1">(</span><span class="hl-13">10</span><span class="hl-1">);</span><br/><br/><span class="hl-1"> </span><span class="hl-7">// Copy the data into the new allocation.</span><br/><span class="hl-1"> </span><span class="hl-2">data</span><span class="hl-1">.</span><span class="hl-6">copy</span><span class="hl-1">(</span><span class="hl-2">sb</span><span class="hl-1">, </span><span class="hl-13">0</span><span class="hl-1">, </span><span class="hl-13">0</span><span class="hl-1">, </span><span class="hl-13">10</span><span class="hl-1">);</span><br/><br/><span class="hl-1"> </span><span class="hl-2">store</span><span class="hl-1">.</span><span class="hl-6">push</span><span class="hl-1">(</span><span class="hl-2">sb</span><span class="hl-1">);</span><br/><span class="hl-1"> }</span><br/><span class="hl-1">});</span>
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</code><button type="button">Copy</button></pre>
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<p>A <code>TypeError</code> will be thrown if <code>size</code> is not a number.</p>
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@@ -105,7 +105,7 @@ for the encoding that is used to convert the string into bytes.</p>
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||||
For strings that contain non-base64/hex-encoded data (e.g. whitespace), the
|
||||
return value might be greater than the length of a <code>Buffer</code> created from the
|
||||
string.</p>
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||||
<pre><code class="js"><span class="hl-9">import</span><span class="hl-1"> { </span><span class="hl-10">Buffer</span><span class="hl-1"> } </span><span class="hl-9">from</span><span class="hl-1"> </span><span class="hl-2">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">str</span><span class="hl-1"> = </span><span class="hl-2">'</span><span class="hl-14">\u00bd</span><span class="hl-2"> + </span><span class="hl-14">\u00bc</span><span class="hl-2"> = </span><span class="hl-14">\u00be</span><span class="hl-2">'</span><span class="hl-1">;</span><br/><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-2">`</span><span class="hl-8">${</span><span class="hl-10">str</span><span class="hl-8">}</span><span class="hl-2">: </span><span class="hl-8">${</span><span class="hl-10">str</span><span class="hl-5">.</span><span class="hl-10">length</span><span class="hl-8">}</span><span class="hl-2"> characters, `</span><span class="hl-1"> +</span><br/><span class="hl-1"> </span><span class="hl-2">`</span><span class="hl-8">${</span><span class="hl-10">Buffer</span><span class="hl-5">.</span><span class="hl-0">byteLength</span><span class="hl-5">(</span><span class="hl-10">str</span><span class="hl-5">, </span><span class="hl-2">'utf8'</span><span class="hl-5">)</span><span class="hl-8">}</span><span class="hl-2"> bytes`</span><span class="hl-1">);</span><br/><span class="hl-12">// Prints: ½ + ¼ = ¾: 9 characters, 12 bytes</span>
|
||||
<pre><code class="js"><span class="hl-0">import</span><span class="hl-1"> { </span><span class="hl-2">Buffer</span><span class="hl-1"> } </span><span class="hl-0">from</span><span class="hl-1"> </span><span class="hl-3">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">str</span><span class="hl-1"> = </span><span class="hl-3">'</span><span class="hl-14">\u00bd</span><span class="hl-3"> + </span><span class="hl-14">\u00bc</span><span class="hl-3"> = </span><span class="hl-14">\u00be</span><span class="hl-3">'</span><span class="hl-1">;</span><br/><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-3">`</span><span class="hl-4">${</span><span class="hl-2">str</span><span class="hl-4">}</span><span class="hl-3">: </span><span class="hl-4">${</span><span class="hl-2">str</span><span class="hl-10">.</span><span class="hl-2">length</span><span class="hl-4">}</span><span class="hl-3"> characters, `</span><span class="hl-1"> +</span><br/><span class="hl-1"> </span><span class="hl-3">`</span><span class="hl-4">${</span><span class="hl-2">Buffer</span><span class="hl-10">.</span><span class="hl-6">byteLength</span><span class="hl-10">(</span><span class="hl-2">str</span><span class="hl-10">, </span><span class="hl-3">'utf8'</span><span class="hl-10">)</span><span class="hl-4">}</span><span class="hl-3"> bytes`</span><span class="hl-1">);</span><br/><span class="hl-7">// Prints: ½ + ¼ = ¾: 9 characters, 12 bytes</span>
|
||||
</code><button type="button">Copy</button></pre>
|
||||
|
||||
<p>When <code>string</code> is a
|
||||
@@ -117,7 +117,7 @@ Reference/Global_Objects/TypedArray)/<a href="https://developer.mozilla.org/en-U
|
||||
</div><div class="tsd-comment tsd-typography"></div></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4><p>The number of bytes contained within <code>string</code>.</p>
|
||||
<div class="tsd-comment tsd-typography"><h4 class="tsd-anchor-link"><a id="Since-4" class="tsd-anchor"></a>Since<a href="#Since-4" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h4><p>v0.1.90</p>
|
||||
</div><aside class="tsd-sources"><ul><li>Defined in node_modules/@types/node/buffer.d.ts:429</li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-external"><a id="compare" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>compare</span><a href="#compare" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-external"><li class="tsd-signature tsd-anchor-link"><a id="compare.compare-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">compare</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">buf1</span>, <span class="tsd-kind-parameter">buf2</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">-1</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">0</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">1</span><a href="#compare.compare-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><div class="tsd-comment tsd-typography"><p>Compares <code>buf1</code> to <code>buf2</code>, typically for the purpose of sorting arrays of <code>Buffer</code> instances. This is equivalent to calling <code>buf1.compare(buf2)</code>.</p>
|
||||
<pre><code class="js"><span class="hl-9">import</span><span class="hl-1"> { </span><span class="hl-10">Buffer</span><span class="hl-1"> } </span><span class="hl-9">from</span><span class="hl-1"> </span><span class="hl-2">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">buf1</span><span class="hl-1"> = </span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">from</span><span class="hl-1">(</span><span class="hl-2">'1234'</span><span class="hl-1">);</span><br/><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">buf2</span><span class="hl-1"> = </span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">from</span><span class="hl-1">(</span><span class="hl-2">'0123'</span><span class="hl-1">);</span><br/><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">arr</span><span class="hl-1"> = [</span><span class="hl-10">buf1</span><span class="hl-1">, </span><span class="hl-10">buf2</span><span class="hl-1">];</span><br/><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-10">arr</span><span class="hl-1">.</span><span class="hl-0">sort</span><span class="hl-1">(</span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-10">compare</span><span class="hl-1">));</span><br/><span class="hl-12">// Prints: [ <Buffer 30 31 32 33>, <Buffer 31 32 33 34> ]</span><br/><span class="hl-12">// (This result is equal to: [buf2, buf1].)</span>
|
||||
<pre><code class="js"><span class="hl-0">import</span><span class="hl-1"> { </span><span class="hl-2">Buffer</span><span class="hl-1"> } </span><span class="hl-0">from</span><span class="hl-1"> </span><span class="hl-3">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">buf1</span><span class="hl-1"> = </span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">from</span><span class="hl-1">(</span><span class="hl-3">'1234'</span><span class="hl-1">);</span><br/><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">buf2</span><span class="hl-1"> = </span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">from</span><span class="hl-1">(</span><span class="hl-3">'0123'</span><span class="hl-1">);</span><br/><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">arr</span><span class="hl-1"> = [</span><span class="hl-2">buf1</span><span class="hl-1">, </span><span class="hl-2">buf2</span><span class="hl-1">];</span><br/><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-2">arr</span><span class="hl-1">.</span><span class="hl-6">sort</span><span class="hl-1">(</span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-2">compare</span><span class="hl-1">));</span><br/><span class="hl-7">// Prints: [ <Buffer 30 31 32 33>, <Buffer 31 32 33 34> ]</span><br/><span class="hl-7">// (This result is equal to: [buf2, buf1].)</span>
|
||||
</code><button type="button">Copy</button></pre>
|
||||
|
||||
</div><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">buf1</span>: <span class="tsd-signature-type">Uint8Array</span></span></li><li><span><span class="tsd-kind-parameter">buf2</span>: <span class="tsd-signature-type">Uint8Array</span></span></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">-1</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">0</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">1</span></h4><p>Either <code>-1</code>, <code>0</code>, or <code>1</code>, depending on the result of the comparison. See <code>compare</code> for details.</p>
|
||||
@@ -129,7 +129,7 @@ in <code>list</code> by adding their lengths.</p>
|
||||
<p>If <code>totalLength</code> is provided, it is coerced to an unsigned integer. If the
|
||||
combined length of the <code>Buffer</code>s in <code>list</code> exceeds <code>totalLength</code>, the result is
|
||||
truncated to <code>totalLength</code>.</p>
|
||||
<pre><code class="js"><span class="hl-9">import</span><span class="hl-1"> { </span><span class="hl-10">Buffer</span><span class="hl-1"> } </span><span class="hl-9">from</span><span class="hl-1"> </span><span class="hl-2">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-12">// Create a single `Buffer` from a list of three `Buffer` instances.</span><br/><br/><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">buf1</span><span class="hl-1"> = </span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">alloc</span><span class="hl-1">(</span><span class="hl-13">10</span><span class="hl-1">);</span><br/><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">buf2</span><span class="hl-1"> = </span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">alloc</span><span class="hl-1">(</span><span class="hl-13">14</span><span class="hl-1">);</span><br/><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">buf3</span><span class="hl-1"> = </span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">alloc</span><span class="hl-1">(</span><span class="hl-13">18</span><span class="hl-1">);</span><br/><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">totalLength</span><span class="hl-1"> = </span><span class="hl-10">buf1</span><span class="hl-1">.</span><span class="hl-10">length</span><span class="hl-1"> + </span><span class="hl-10">buf2</span><span class="hl-1">.</span><span class="hl-10">length</span><span class="hl-1"> + </span><span class="hl-10">buf3</span><span class="hl-1">.</span><span class="hl-10">length</span><span class="hl-1">;</span><br/><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-10">totalLength</span><span class="hl-1">);</span><br/><span class="hl-12">// Prints: 42</span><br/><br/><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">bufA</span><span class="hl-1"> = </span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">concat</span><span class="hl-1">([</span><span class="hl-10">buf1</span><span class="hl-1">, </span><span class="hl-10">buf2</span><span class="hl-1">, </span><span class="hl-10">buf3</span><span class="hl-1">], </span><span class="hl-10">totalLength</span><span class="hl-1">);</span><br/><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-10">bufA</span><span class="hl-1">);</span><br/><span class="hl-12">// Prints: <Buffer 00 00 00 00 ...></span><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-10">bufA</span><span class="hl-1">.</span><span class="hl-10">length</span><span class="hl-1">);</span><br/><span class="hl-12">// Prints: 42</span>
|
||||
<pre><code class="js"><span class="hl-0">import</span><span class="hl-1"> { </span><span class="hl-2">Buffer</span><span class="hl-1"> } </span><span class="hl-0">from</span><span class="hl-1"> </span><span class="hl-3">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-7">// Create a single `Buffer` from a list of three `Buffer` instances.</span><br/><br/><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">buf1</span><span class="hl-1"> = </span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">alloc</span><span class="hl-1">(</span><span class="hl-13">10</span><span class="hl-1">);</span><br/><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">buf2</span><span class="hl-1"> = </span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">alloc</span><span class="hl-1">(</span><span class="hl-13">14</span><span class="hl-1">);</span><br/><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">buf3</span><span class="hl-1"> = </span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">alloc</span><span class="hl-1">(</span><span class="hl-13">18</span><span class="hl-1">);</span><br/><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">totalLength</span><span class="hl-1"> = </span><span class="hl-2">buf1</span><span class="hl-1">.</span><span class="hl-2">length</span><span class="hl-1"> + </span><span class="hl-2">buf2</span><span class="hl-1">.</span><span class="hl-2">length</span><span class="hl-1"> + </span><span class="hl-2">buf3</span><span class="hl-1">.</span><span class="hl-2">length</span><span class="hl-1">;</span><br/><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-2">totalLength</span><span class="hl-1">);</span><br/><span class="hl-7">// Prints: 42</span><br/><br/><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">bufA</span><span class="hl-1"> = </span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">concat</span><span class="hl-1">([</span><span class="hl-2">buf1</span><span class="hl-1">, </span><span class="hl-2">buf2</span><span class="hl-1">, </span><span class="hl-2">buf3</span><span class="hl-1">], </span><span class="hl-2">totalLength</span><span class="hl-1">);</span><br/><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-2">bufA</span><span class="hl-1">);</span><br/><span class="hl-7">// Prints: <Buffer 00 00 00 00 ...></span><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-2">bufA</span><span class="hl-1">.</span><span class="hl-2">length</span><span class="hl-1">);</span><br/><span class="hl-7">// Prints: 42</span>
|
||||
</code><button type="button">Copy</button></pre>
|
||||
|
||||
<p><code>Buffer.concat()</code> may also use the internal <code>Buffer</code> pool like <code>Buffer.allocUnsafe()</code> does.</p>
|
||||
@@ -137,7 +137,7 @@ truncated to <code>totalLength</code>.</p>
|
||||
</div><div class="tsd-comment tsd-typography"></div></li><li><span><code class="tsd-tag">Optional</code><span class="tsd-kind-parameter">totalLength</span>: <span class="tsd-signature-type">number</span></span><div class="tsd-comment tsd-typography"><p>Total length of the <code>Buffer</code> instances in <code>list</code> when concatenated.</p>
|
||||
</div><div class="tsd-comment tsd-typography"></div></li></ul></div><h4 class="tsd-returns-title">Returns <a href="_internal_.Buffer.html" class="tsd-signature-type tsd-kind-interface">Buffer</a></h4><div class="tsd-comment tsd-typography"><h4 class="tsd-anchor-link"><a id="Since-6" class="tsd-anchor"></a>Since<a href="#Since-6" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h4><p>v0.7.11</p>
|
||||
</div><aside class="tsd-sources"><ul><li>Defined in node_modules/@types/node/buffer.d.ts:471</li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-external"><a id="copyBytesFrom" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>copy<wbr/>Bytes<wbr/>From</span><a href="#copyBytesFrom" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-external"><li class="tsd-signature tsd-anchor-link"><a id="copyBytesFrom.copyBytesFrom-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">copy<wbr/>Bytes<wbr/>From</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">view</span>, <span class="tsd-kind-parameter">offset</span><span class="tsd-signature-symbol">?</span>, <span class="tsd-kind-parameter">length</span><span class="tsd-signature-symbol">?</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="_internal_.Buffer.html" class="tsd-signature-type tsd-kind-interface">Buffer</a><a href="#copyBytesFrom.copyBytesFrom-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><div class="tsd-comment tsd-typography"><p>Copies the underlying memory of <code>view</code> into a new <code>Buffer</code>.</p>
|
||||
<pre><code class="js"><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">u16</span><span class="hl-1"> = </span><span class="hl-8">new</span><span class="hl-1"> </span><span class="hl-0">Uint16Array</span><span class="hl-1">([</span><span class="hl-13">0</span><span class="hl-1">, </span><span class="hl-13">0xffff</span><span class="hl-1">]);</span><br/><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">buf</span><span class="hl-1"> = </span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">copyBytesFrom</span><span class="hl-1">(</span><span class="hl-10">u16</span><span class="hl-1">, </span><span class="hl-13">1</span><span class="hl-1">, </span><span class="hl-13">1</span><span class="hl-1">);</span><br/><span class="hl-10">u16</span><span class="hl-1">[</span><span class="hl-13">1</span><span class="hl-1">] = </span><span class="hl-13">0</span><span class="hl-1">;</span><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-10">buf</span><span class="hl-1">.</span><span class="hl-10">length</span><span class="hl-1">); </span><span class="hl-12">// 2</span><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-10">buf</span><span class="hl-1">[</span><span class="hl-13">0</span><span class="hl-1">]); </span><span class="hl-12">// 255</span><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-10">buf</span><span class="hl-1">[</span><span class="hl-13">1</span><span class="hl-1">]); </span><span class="hl-12">// 255</span>
|
||||
<pre><code class="js"><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">u16</span><span class="hl-1"> = </span><span class="hl-4">new</span><span class="hl-1"> </span><span class="hl-6">Uint16Array</span><span class="hl-1">([</span><span class="hl-13">0</span><span class="hl-1">, </span><span class="hl-13">0xffff</span><span class="hl-1">]);</span><br/><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">buf</span><span class="hl-1"> = </span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">copyBytesFrom</span><span class="hl-1">(</span><span class="hl-2">u16</span><span class="hl-1">, </span><span class="hl-13">1</span><span class="hl-1">, </span><span class="hl-13">1</span><span class="hl-1">);</span><br/><span class="hl-2">u16</span><span class="hl-1">[</span><span class="hl-13">1</span><span class="hl-1">] = </span><span class="hl-13">0</span><span class="hl-1">;</span><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-2">buf</span><span class="hl-1">.</span><span class="hl-2">length</span><span class="hl-1">); </span><span class="hl-7">// 2</span><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-2">buf</span><span class="hl-1">[</span><span class="hl-13">0</span><span class="hl-1">]); </span><span class="hl-7">// 255</span><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-2">buf</span><span class="hl-1">[</span><span class="hl-13">1</span><span class="hl-1">]); </span><span class="hl-7">// 255</span>
|
||||
</code><button type="button">Copy</button></pre>
|
||||
|
||||
</div><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">view</span>: <a href="../types/_internal_.TypedArray.html" class="tsd-signature-type tsd-kind-type-alias">TypedArray</a></span><div class="tsd-comment tsd-typography"><p>The {TypedArray} to copy.</p>
|
||||
@@ -146,7 +146,7 @@ truncated to <code>totalLength</code>.</p>
|
||||
</div><div class="tsd-comment tsd-typography"></div></li></ul></div><h4 class="tsd-returns-title">Returns <a href="_internal_.Buffer.html" class="tsd-signature-type tsd-kind-interface">Buffer</a></h4><div class="tsd-comment tsd-typography"><h4 class="tsd-anchor-link"><a id="Since-7" class="tsd-anchor"></a>Since<a href="#Since-7" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h4><p>v19.8.0</p>
|
||||
</div><aside class="tsd-sources"><ul><li>Defined in node_modules/@types/node/buffer.d.ts:488</li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-external"><a id="from" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>from</span><a href="#from" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-external"><li class="tsd-signature tsd-anchor-link"><a id="from.from-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">from</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">arrayBuffer</span>, <span class="tsd-kind-parameter">byteOffset</span><span class="tsd-signature-symbol">?</span>, <span class="tsd-kind-parameter">length</span><span class="tsd-signature-symbol">?</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="_internal_.Buffer.html" class="tsd-signature-type tsd-kind-interface">Buffer</a><a href="#from.from-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><div class="tsd-comment tsd-typography"><p>Allocates a new <code>Buffer</code> using an <code>array</code> of bytes in the range <code>0</code> – <code>255</code>.
|
||||
Array entries outside that range will be truncated to fit into it.</p>
|
||||
<pre><code class="js"><span class="hl-9">import</span><span class="hl-1"> { </span><span class="hl-10">Buffer</span><span class="hl-1"> } </span><span class="hl-9">from</span><span class="hl-1"> </span><span class="hl-2">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-12">// Creates a new Buffer containing the UTF-8 bytes of the string 'buffer'.</span><br/><span class="hl-8">const</span><span class="hl-1"> </span><span class="hl-11">buf</span><span class="hl-1"> = </span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">from</span><span class="hl-1">([</span><span class="hl-13">0x62</span><span class="hl-1">, </span><span class="hl-13">0x75</span><span class="hl-1">, </span><span class="hl-13">0x66</span><span class="hl-1">, </span><span class="hl-13">0x66</span><span class="hl-1">, </span><span class="hl-13">0x65</span><span class="hl-1">, </span><span class="hl-13">0x72</span><span class="hl-1">]);</span>
|
||||
<pre><code class="js"><span class="hl-0">import</span><span class="hl-1"> { </span><span class="hl-2">Buffer</span><span class="hl-1"> } </span><span class="hl-0">from</span><span class="hl-1"> </span><span class="hl-3">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-7">// Creates a new Buffer containing the UTF-8 bytes of the string 'buffer'.</span><br/><span class="hl-4">const</span><span class="hl-1"> </span><span class="hl-5">buf</span><span class="hl-1"> = </span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">from</span><span class="hl-1">([</span><span class="hl-13">0x62</span><span class="hl-1">, </span><span class="hl-13">0x75</span><span class="hl-1">, </span><span class="hl-13">0x66</span><span class="hl-1">, </span><span class="hl-13">0x66</span><span class="hl-1">, </span><span class="hl-13">0x65</span><span class="hl-1">, </span><span class="hl-13">0x72</span><span class="hl-1">]);</span>
|
||||
</code><button type="button">Copy</button></pre>
|
||||
|
||||
<p>If <code>array</code> is an <code>Array</code>-like object (that is, one with a <code>length</code> property of
|
||||
@@ -162,13 +162,13 @@ appropriate for <code>Buffer.from()</code> variants.</p>
|
||||
If provided, the {encoding} parameter identifies the character encoding.
|
||||
If not provided, {encoding} defaults to 'utf8'.</p>
|
||||
</div><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">str</span>: <a href="../types/_internal_.WithImplicitCoercion.html" class="tsd-signature-type tsd-kind-type-alias">WithImplicitCoercion</a><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-symbol">{ </span><br/><span> </span><span class="tsd-kind-call-signature">[toPrimitive]</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">hint</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">"string"</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">; </span><br/><span class="tsd-signature-symbol">}</span></span></li><li><span><code class="tsd-tag">Optional</code><span class="tsd-kind-parameter">encoding</span>: <a href="../types/_internal_.BufferEncoding.html" class="tsd-signature-type tsd-kind-type-alias">BufferEncoding</a></span></li></ul></div><h4 class="tsd-returns-title">Returns <a href="_internal_.Buffer.html" class="tsd-signature-type tsd-kind-interface">Buffer</a></h4><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in node_modules/@types/node/buffer.d.ts:349</li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-external"><a id="isBuffer" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>is<wbr/>Buffer</span><a href="#isBuffer" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-external"><li class="tsd-signature tsd-anchor-link"><a id="isBuffer.isBuffer-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">is<wbr/>Buffer</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">obj</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-kind-parameter">obj</span><span class="tsd-signature-keyword"> is </span><a href="_internal_.Buffer.html" class="tsd-signature-type tsd-kind-interface">Buffer</a><a href="#isBuffer.isBuffer-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><div class="tsd-comment tsd-typography"><p>Returns <code>true</code> if <code>obj</code> is a <code>Buffer</code>, <code>false</code> otherwise.</p>
|
||||
<pre><code class="js"><span class="hl-9">import</span><span class="hl-1"> { </span><span class="hl-10">Buffer</span><span class="hl-1"> } </span><span class="hl-9">from</span><span class="hl-1"> </span><span class="hl-2">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">isBuffer</span><span class="hl-1">(</span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">alloc</span><span class="hl-1">(</span><span class="hl-13">10</span><span class="hl-1">)); </span><span class="hl-12">// true</span><br/><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">isBuffer</span><span class="hl-1">(</span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">from</span><span class="hl-1">(</span><span class="hl-2">'foo'</span><span class="hl-1">)); </span><span class="hl-12">// true</span><br/><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">isBuffer</span><span class="hl-1">(</span><span class="hl-2">'a string'</span><span class="hl-1">); </span><span class="hl-12">// false</span><br/><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">isBuffer</span><span class="hl-1">([]); </span><span class="hl-12">// false</span><br/><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">isBuffer</span><span class="hl-1">(</span><span class="hl-8">new</span><span class="hl-1"> </span><span class="hl-0">Uint8Array</span><span class="hl-1">(</span><span class="hl-13">1024</span><span class="hl-1">)); </span><span class="hl-12">// false</span>
|
||||
<pre><code class="js"><span class="hl-0">import</span><span class="hl-1"> { </span><span class="hl-2">Buffer</span><span class="hl-1"> } </span><span class="hl-0">from</span><span class="hl-1"> </span><span class="hl-3">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">isBuffer</span><span class="hl-1">(</span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">alloc</span><span class="hl-1">(</span><span class="hl-13">10</span><span class="hl-1">)); </span><span class="hl-7">// true</span><br/><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">isBuffer</span><span class="hl-1">(</span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">from</span><span class="hl-1">(</span><span class="hl-3">'foo'</span><span class="hl-1">)); </span><span class="hl-7">// true</span><br/><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">isBuffer</span><span class="hl-1">(</span><span class="hl-3">'a string'</span><span class="hl-1">); </span><span class="hl-7">// false</span><br/><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">isBuffer</span><span class="hl-1">([]); </span><span class="hl-7">// false</span><br/><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">isBuffer</span><span class="hl-1">(</span><span class="hl-4">new</span><span class="hl-1"> </span><span class="hl-6">Uint8Array</span><span class="hl-1">(</span><span class="hl-13">1024</span><span class="hl-1">)); </span><span class="hl-7">// false</span>
|
||||
</code><button type="button">Copy</button></pre>
|
||||
|
||||
</div><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">obj</span>: <span class="tsd-signature-type">any</span></span></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-kind-parameter">obj</span><span class="tsd-signature-keyword"> is </span><a href="_internal_.Buffer.html" class="tsd-signature-type tsd-kind-interface">Buffer</a></h4><div class="tsd-comment tsd-typography"><h4 class="tsd-anchor-link"><a id="Since-9" class="tsd-anchor"></a>Since<a href="#Since-9" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h4><p>v0.1.101</p>
|
||||
</div><aside class="tsd-sources"><ul><li>Defined in node_modules/@types/node/buffer.d.ts:376</li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-external"><a id="isEncoding" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>is<wbr/>Encoding</span><a href="#isEncoding" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-external"><li class="tsd-signature tsd-anchor-link"><a id="isEncoding.isEncoding-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">is<wbr/>Encoding</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">encoding</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-kind-parameter">encoding</span><span class="tsd-signature-keyword"> is </span><a href="../types/_internal_.BufferEncoding.html" class="tsd-signature-type tsd-kind-type-alias">BufferEncoding</a><a href="#isEncoding.isEncoding-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><div class="tsd-comment tsd-typography"><p>Returns <code>true</code> if <code>encoding</code> is the name of a supported character encoding,
|
||||
or <code>false</code> otherwise.</p>
|
||||
<pre><code class="js"><span class="hl-9">import</span><span class="hl-1"> { </span><span class="hl-10">Buffer</span><span class="hl-1"> } </span><span class="hl-9">from</span><span class="hl-1"> </span><span class="hl-2">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">isEncoding</span><span class="hl-1">(</span><span class="hl-2">'utf8'</span><span class="hl-1">));</span><br/><span class="hl-12">// Prints: true</span><br/><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">isEncoding</span><span class="hl-1">(</span><span class="hl-2">'hex'</span><span class="hl-1">));</span><br/><span class="hl-12">// Prints: true</span><br/><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">isEncoding</span><span class="hl-1">(</span><span class="hl-2">'utf/8'</span><span class="hl-1">));</span><br/><span class="hl-12">// Prints: false</span><br/><br/><span class="hl-10">console</span><span class="hl-1">.</span><span class="hl-0">log</span><span class="hl-1">(</span><span class="hl-10">Buffer</span><span class="hl-1">.</span><span class="hl-0">isEncoding</span><span class="hl-1">(</span><span class="hl-2">''</span><span class="hl-1">));</span><br/><span class="hl-12">// Prints: false</span>
|
||||
<pre><code class="js"><span class="hl-0">import</span><span class="hl-1"> { </span><span class="hl-2">Buffer</span><span class="hl-1"> } </span><span class="hl-0">from</span><span class="hl-1"> </span><span class="hl-3">'node:buffer'</span><span class="hl-1">;</span><br/><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">isEncoding</span><span class="hl-1">(</span><span class="hl-3">'utf8'</span><span class="hl-1">));</span><br/><span class="hl-7">// Prints: true</span><br/><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">isEncoding</span><span class="hl-1">(</span><span class="hl-3">'hex'</span><span class="hl-1">));</span><br/><span class="hl-7">// Prints: true</span><br/><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">isEncoding</span><span class="hl-1">(</span><span class="hl-3">'utf/8'</span><span class="hl-1">));</span><br/><span class="hl-7">// Prints: false</span><br/><br/><span class="hl-2">console</span><span class="hl-1">.</span><span class="hl-6">log</span><span class="hl-1">(</span><span class="hl-2">Buffer</span><span class="hl-1">.</span><span class="hl-6">isEncoding</span><span class="hl-1">(</span><span class="hl-3">''</span><span class="hl-1">));</span><br/><span class="hl-7">// Prints: false</span>
|
||||
</code><button type="button">Copy</button></pre>
|
||||
|
||||
</div><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">encoding</span>: <span class="tsd-signature-type">string</span></span><div class="tsd-comment tsd-typography"><p>A character encoding name to check.</p>
|
||||
|
||||
Reference in New Issue
Block a user