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Don't assume options object has a hasOwnProperty method

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Closes #43
This commit is contained in:
Marijn Haverbeke 2013-06-08 20:36:44 +02:00
parent c979446572
commit adf16e33c0
2 changed files with 2 additions and 2 deletions
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2
acorn.js
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@ -101,7 +101,7 @@
function setOptions(opts) {
options = opts || {};
for (var opt in defaultOptions) if (!options.hasOwnProperty(opt))
for (var opt in defaultOptions) if (!Object.prototype.hasOwnProperty.call(options, opt))
options[opt] = defaultOptions[opt];
sourceFile = options.sourceFile || null;
}

2
index.html
View File

@ -65,7 +65,7 @@ file in every node's <code>loc</code> object.</p> </td>
<span class="kd">function</span> <span class="nx">setOptions</span><span class="p">(</span><span class="nx">opts</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">options</span> <span class="o">=</span> <span class="nx">opts</span> <span class="o">||</span> <span class="p">{};</span>
<span class="k">for</span> <span class="p">(</span><span class="kd">var</span> <span class="nx">opt</span> <span class="k">in</span> <span class="nx">defaultOptions</span><span class="p">)</span> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">options</span><span class="p">.</span><span class="nx">hasOwnProperty</span><span class="p">(</span><span class="nx">opt</span><span class="p">))</span>
<span class="k">for</span> <span class="p">(</span><span class="kd">var</span> <span class="nx">opt</span> <span class="k">in</span> <span class="nx">defaultOptions</span><span class="p">)</span> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nb">Object</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">hasOwnProperty</span><span class="p">.</span><span class="nx">call</span><span class="p">(</span><span class="nx">options</span><span class="p">,</span> <span class="nx">opt</span><span class="p">))</span>
<span class="nx">options</span><span class="p">[</span><span class="nx">opt</span><span class="p">]</span> <span class="o">=</span> <span class="nx">defaultOptions</span><span class="p">[</span><span class="nx">opt</span><span class="p">];</span>
<span class="nx">sourceFile</span> <span class="o">=</span> <span class="nx">options</span><span class="p">.</span><span class="nx">sourceFile</span> <span class="o">||</span> <span class="kc">null</span><span class="p">;</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-13">&#182;</a> </div> <p>The <code>getLineInfo</code> function is mostly useful when the