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30secondsofcode
2019-01-14 05:42:56 +00:00
parent f3ae15a2ea
commit e7ff7d722e
11 changed files with 46 additions and 39 deletions
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@ -127,7 +127,7 @@ console<span class="token punctuation">.</span><span class="token function">log<
<span class="token function">hasFlags</span><span class="token punctuation">(</span><span class="token string">'-s'</span><span class="token punctuation">);</span> <span class="token comment">// true</span>
<span class="token function">hasFlags</span><span class="token punctuation">(</span><span class="token string">'--test'</span><span class="token punctuation">,</span> <span class="token string">'cool=true'</span><span class="token punctuation">,</span> <span class="token string">'-s'</span><span class="token punctuation">);</span> <span class="token comment">// true</span>
<span class="token function">hasFlags</span><span class="token punctuation">(</span><span class="token string">'special'</span><span class="token punctuation">);</span> <span class="token comment">// false</span>
</pre></div><div class="card code-card"><div class="corner intermediate"></div><div class="section card-content"><h4 id="hashnode">hashNode</h4><p>Creates a hash for a value using the <a href="https://en.wikipedia.org/wiki/SHA-2">SHA-256</a> algorithm. Returns a promise.</p><p>Use <code>crypto</code> API to create a hash for the given value.</p></div><div class="copy-button-container"><button class="copy-button" aria-label="Copy to clipboard"></button></div><pre class="section card-code language-js"><span class="token keyword">const</span> crypto <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">'crypto'</span><span class="token punctuation">);</span>
</pre></div><div class="card code-card"><div class="corner intermediate"></div><div class="section card-content"><h4 id="hashnode">hashNode</h4><p>Creates a hash for a value using the <a href="https://en.wikipedia.org/wiki/SHA-2">SHA-256</a> algorithm. Returns a promise.</p><p>Use <code>crypto</code> API to create a hash for the given value, <code>setTimeout</code> to prevent blocking on a long operation, and a <code>Promise</code> to give it a familiar interface.</p></div><div class="copy-button-container"><button class="copy-button" aria-label="Copy to clipboard"></button></div><pre class="section card-code language-js"><span class="token keyword">const</span> crypto <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">'crypto'</span><span class="token punctuation">);</span>
<span class="token keyword">const</span> <span class="token function-variable function">hashNode</span> <span class="token operator">=</span> val <span class="token operator">=></span>
<span class="token keyword">new</span> <span class="token class-name">Promise</span><span class="token punctuation">(</span>resolve <span class="token operator">=></span>
<span class="token function">setTimeout</span><span class="token punctuation">(