Are there any code paths that do not result in a return value?

Can anyone provide insights on the error message "Not all code paths return the value" that I'm encountering?

Additionally, is there a more efficient way to utilize ES6 features instead of using forEach loops?

main.ts

if (rxInfos.length && rxInfos !== undefined) {
    rxInfos.forEach((rxInfo: any) =>  {
        // const requestArray: IRequestURL[] = [];
        for (const member of specialtyMembers) {
            if (member.indexID === rxInfo.indexID) {
                proxyMember = member;
                if (!member.dateOfBirth) {
                    statusDesc = "member dateOfbirth not found";
                    return Promise.reject(this.errorHandler(request, statusDesc));
                }
                const body: any = this.buildSingleRequestBody(proxyMember, rxInfo);
                const requestObject = this.specialtyQuestionRequest(body);
                this.requestArray.push(requestObject);
                break;
            }
        }


    });
}

Answer №1

If none of your member entries match, you are currently only returning a value (a Promise). To handle the case where there is no match, you should return a promise regardless. To do this, add 'return Promise.resolve()' after the loop:

if (rxInfos.length && rxInfos !== undefined) {
    rxInfos.forEach((rxInfo: any) =>  {
        // const requestArray: IRequestURL[] = [];
        for (const member of specialtyMembers) {
            if (member.indexID === rxInfo.indexID) {
                proxyMember = member;
                if (!member.dateOfBirth) {
                    statusDesc = "member dateOfbirth not found";
                    return Promise.reject(this.errorHandler(request, statusDesc));
                }
                const body: any = this.buildSingleRequestBody(proxyMember, rxInfo);
                const requestObject = this.specialtyQuestionRequest(body);
                this.requestArray.push(requestObject);
                break;
            }
        }
        return Promise.resolve();        
    });
}

Based on the information provided, using forEach seems appropriate in this context.

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