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fix encode / decode by type to support branded ids #35

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fix encode / decode by type to support branded ids #35

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29 changes: 28 additions & 1 deletion src/utils.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,19 @@ export function encodeByType(type: string, value: any): string | null {
return (value as Date).getTime().toString();
}

/**
* Support for branded id's having the following structure
*
* interface ConversationId extends String {
* _conversationBrand: string;
* }
*
* the above interface will support toString() method
*/
if (typeof value.toString === 'function') {
return value.toString();
}

break;
}
default: break;
Expand All @@ -38,7 +51,21 @@ export function encodeByType(type: string, value: any): string | null {

export function decodeByType(type: string, value: string): string | number | Date {
switch (type) {
case 'object':
case 'object': {
/**
* Support for branded id's having the following structure
*
* interface ConversationId extends String {
* _conversationBrand: string;
* }
*
* the above interface will support toString() method
*/
if (typeof value.toString === 'function') {
return value.toString();
}
}

case 'date': {
const timestamp = parseInt(value, 10);

Expand Down