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null and undefined are objects too

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fixes TypeError: Cannot read properties of null (reading 'length')
This commit is contained in:
ralf 2023-04-26 09:22:30 +02:00
parent 7d86d69b49
commit a50fa29419
1 changed files with 1 additions and 1 deletions
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2
api/js/etemplate/Et2InputWidget/Et2InputWidget.ts
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@ -369,7 +369,7 @@ const Et2InputWidgetMixin = <T extends Constructor<LitElement>>(superclass : T)
{ {
return this.readonly || this.disabled ? null : ( return this.readonly || this.disabled ? null : (
// Give a clone of objects or receiver might use the reference // Give a clone of objects or receiver might use the reference
typeof this.value == "object" ? (typeof this.value.length == "undefined" ? {...this.value} : [...this.value]) : this.value this.value && typeof this.value == "object" ? (typeof this.value.length == "undefined" ? {...this.value} : [...this.value]) : this.value
); );
} }