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Merge pull request #1565 from felixhayashi/patch-5
Bugfix: Object.freeze() called on null
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commit
2710049865
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@ -793,7 +793,7 @@ $tw.Tiddler = function(/* [fields,] fields */) {
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value = src[t];
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}
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// Freeze the field to keep it immutable
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if(typeof value === "object") {
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if(value != null && typeof value === "object") {
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Object.freeze(value);
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}
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this.fields[t] = value;
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