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Merge pull request #1565 from felixhayashi/patch-5

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Bugfix: Object.freeze() called on null
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Jeremy Ruston 2015-03-10 20:31:15 +00:00
commit 2710049865
1 changed files with 1 additions and 1 deletions
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boot/boot.js
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@ -793,7 +793,7 @@ $tw.Tiddler = function(/* [fields,] fields */) {
value = src[t]; value = src[t];
} }
// Freeze the field to keep it immutable // Freeze the field to keep it immutable
if(typeof value === "object") { if(value != null && typeof value === "object") {
Object.freeze(value); Object.freeze(value);
} }
this.fields[t] = value; this.fields[t] = value;