14002510880

Committed 21 Mar 2025 11:15PM UTC coverage: 82.347% (-12.1%) from 94.436%

Build # 14002510880

Build Type

push

github

Committed by

snatalenko

Commit Message

1.0.0-rc.6

Run Details

450 of 731 branches covered (61.56%)

877 of 1065 relevant lines covered (82.35%)

21.41 hits per line

Source File
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88.24

/src/utils/getMessageHandlerNames.ts

function getInheritedPropertyNames(prototype: object): string[] {
        const parentPrototype = prototype && Object.getPrototypeOf(prototype);
        if (!parentPrototype)
                return [];

        const propDescriptors = Object.getOwnPropertyDescriptors(parentPrototype);
        const propNames = Object.keys(propDescriptors);

        return [
                ...propNames,
                ...getInheritedPropertyNames(parentPrototype)
        ];
}

/**
 * Get message handler names from a command/event handler class.
 * Assumes all private method names start from underscore ("_").
 */
export function getMessageHandlerNames(observerInstanceOrClass: (object | Function)): string[] {
        if (!observerInstanceOrClass)
                throw new TypeError('observerInstanceOrClass argument required');

        const prototype = typeof observerInstanceOrClass === 'function' ?
                observerInstanceOrClass.prototype :
                Object.getPrototypeOf(observerInstanceOrClass);

        if (!prototype)
                throw new TypeError('prototype cannot be resolved');

        const inheritedProperties = getInheritedPropertyNames(prototype);
        const propDescriptors = Object.getOwnPropertyDescriptors(prototype);
        const propNames = Object.keys(propDescriptors);

        return propNames.filter(key =>
                !key.startsWith('_') &&
                !inheritedProperties.includes(key) &&
                typeof propDescriptors[key].value === 'function');
}

1	function getInheritedPropertyNames(prototype: object): string[] {
2	const parentPrototype = prototype && Object.getPrototypeOf(prototype);	72✔
3	if (!parentPrototype)	72✔
4	return [];	24✔
5
6	const propDescriptors = Object.getOwnPropertyDescriptors(parentPrototype);	48✔
7	const propNames = Object.keys(propDescriptors);	48✔
8
9	return [	48✔
10	...propNames,
11	...getInheritedPropertyNames(parentPrototype)
12	];
13	}
14
15	/**
16	* Get message handler names from a command/event handler class.
17	* Assumes all private method names start from underscore ("_").
18	*/
19	export function getMessageHandlerNames(observerInstanceOrClass: (object \| Function)): string[] {	24✔
20	if (!observerInstanceOrClass)	24!
21	throw new TypeError('observerInstanceOrClass argument required');	×
22
23	const prototype = typeof observerInstanceOrClass === 'function' ?	24!
24	observerInstanceOrClass.prototype :
25	Object.getPrototypeOf(observerInstanceOrClass);
26
27	if (!prototype)	24!
28	throw new TypeError('prototype cannot be resolved');	×
29
30	const inheritedProperties = getInheritedPropertyNames(prototype);	24✔
31	const propDescriptors = Object.getOwnPropertyDescriptors(prototype);	24✔
32	const propNames = Object.keys(propDescriptors);	24✔
33
34	return propNames.filter(key =>	24✔
35	!key.startsWith('_') &&	64✔
36	!inheritedProperties.includes(key) &&
37	typeof propDescriptors[key].value === 'function');
38	}

snatalenko / node-cqrs / 14002510880

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