1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
import { AxiosError, AxiosResponse } from 'axios';
export const apiBaseUrl = '/api';
export function base64(blob: Blob): Promise<string> {
return new Promise<string>((resolve) => {
const reader = new FileReader();
reader.onload = function () {
resolve((reader.result as string).replace(/^data:.+;base64,/, ''));
};
reader.readAsDataURL(blob);
});
}
export function extractStatusCode(error: AxiosError): number | null {
if (error.isAxiosError) {
const code = error?.response?.status;
if (typeof code === 'number') {
return code;
}
}
return null;
}
export interface CommonErrorResponse {
code: number;
message: string;
}
export function extractErrorCode(
error: AxiosError<CommonErrorResponse>
): number | null {
if (error.isAxiosError) {
const code = error.response?.data?.code;
if (typeof code === 'number') {
return code;
}
}
return null;
}
export class HttpNetworkError extends Error {
constructor(public innerError?: AxiosError) {
super();
}
}
export class HttpForbiddenError extends Error {
constructor(public innerError?: AxiosError) {
super();
}
}
export class NotModified {}
export interface BlobWithEtag {
data: Blob;
etag: string;
}
export function extractResponseData<T>(res: AxiosResponse<T>): T {
return res.data;
}
export function catchIfStatusCodeIs<
TResult,
TErrorHandlerResult extends TResult | PromiseLike<TResult> | null | undefined
>(
statusCode: number,
errorHandler: (error: AxiosError<CommonErrorResponse>) => TErrorHandlerResult
): (error: AxiosError<CommonErrorResponse>) => TErrorHandlerResult {
return (error: AxiosError<CommonErrorResponse>) => {
if (extractStatusCode(error) == statusCode) {
return errorHandler(error);
} else {
throw error;
}
};
}
export function convertToIfStatusCodeIs<NewError>(
statusCode: number,
newErrorType: {
new (innerError: AxiosError): NewError;
}
): (error: AxiosError<CommonErrorResponse>) => never {
return catchIfStatusCodeIs(statusCode, (error) => {
throw new newErrorType(error);
});
}
export function catchIfErrorCodeIs<
TResult,
TErrorHandlerResult extends TResult | PromiseLike<TResult> | null | undefined
>(
errorCode: number,
errorHandler: (error: AxiosError<CommonErrorResponse>) => TErrorHandlerResult
): (error: AxiosError<CommonErrorResponse>) => TErrorHandlerResult {
return (error: AxiosError<CommonErrorResponse>) => {
if (extractErrorCode(error) == errorCode) {
return errorHandler(error);
} else {
throw error;
}
};
}
export function convertToIfErrorCodeIs<NewError>(
errorCode: number,
newErrorType: {
new (innerError: AxiosError): NewError;
}
): (error: AxiosError<CommonErrorResponse>) => never {
return catchIfErrorCodeIs(errorCode, (error) => {
throw new newErrorType(error);
});
}
export function convertToNetworkError(
error: AxiosError<CommonErrorResponse>
): never {
if (error.isAxiosError && error.response == null) {
throw new HttpNetworkError(error);
} else {
throw error;
}
}
export function convertToForbiddenError(
error: AxiosError<CommonErrorResponse>
): never {
if (
error.isAxiosError &&
error.response != null &&
(error.response.status == 401 || error.response.status == 403)
) {
throw new HttpForbiddenError(error);
} else {
throw error;
}
}
export function convertToNotModified(
error: AxiosError<CommonErrorResponse>
): NotModified {
if (
error.isAxiosError &&
error.response != null &&
error.response.status == 304
) {
return new NotModified();
} else {
throw error;
}
}
export function convertToBlobWithEtag(res: AxiosResponse<Blob>): BlobWithEtag {
return {
data: res.data,
etag: (res.headers as Record<'etag', string>)['etag'],
};
}
|
