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refactor: use optional chaining in template params validation #1299

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2 changes: 1 addition & 1 deletion apps/generator/lib/generator.js
Original file line number Diff line number Diff line change
Expand Up @@ -134,7 +134,7 @@ class Generator {
Object.defineProperty(this.templateParams, key, {
enumerable: true,
get() {
if (!self.templateConfig.parameters || !self.templateConfig.parameters[key]) {
if (!self.templateConfig.parameters?.[key]) {
throw new Error(`Template parameter "${key}" has not been defined in the package.json file under generator property. Please make sure it's listed there before you use it in your template.`);
}
return templateParams[key];
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