/
_utils.ts
68 lines (60 loc) · 2.2 KB
/
_utils.ts
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
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
import { getOptionValue } from "../_options.ts";
import { emitWarning } from "../process.ts";
import {
AI_ADDRCONFIG,
AI_ALL,
AI_V4MAPPED,
} from "../internal_binding/cares_wrap.ts";
import { ERR_INVALID_ARG_VALUE } from "../_errors.ts";
export function validateHints(hints: number) {
if ((hints & ~(AI_ADDRCONFIG | AI_ALL | AI_V4MAPPED)) !== 0) {
throw new ERR_INVALID_ARG_VALUE("hints", hints, "is invalid");
}
}
let invalidHostnameWarningEmitted = false;
export function emitInvalidHostnameWarning(hostname: string) {
if (invalidHostnameWarningEmitted) {
return;
}
invalidHostnameWarningEmitted = true;
emitWarning(
`The provided hostname "${hostname}" is not a valid ` +
"hostname, and is supported in the dns module solely for compatibility.",
"DeprecationWarning",
"DEP0118",
);
}
const dnsOrder = getOptionValue("--dns-result-order") || "ipv4first";
export function getDefaultVerbatim() {
switch (dnsOrder) {
case "verbatim": {
return true;
}
case "ipv4first": {
return false;
}
default: {
return false;
}
}
}