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
|
// original code:
// var re_btou = new RegExp(
// [
// "[\xC0-\xDF][\x80-\xBF]",
// "[\xE0-\xEF][\x80-\xBF]{2}",
// "[\xF0-\xF7][\x80-\xBF]{3}",
// ].join("|"),
// "g"
// );
var re_utob = /[\uD800-\uDBFF][\uDC00-\uDFFFF]|[^\x00-\x7F]/g;
var re_utob = /[\uD800-\uDBFF][\uDC00-\uDFFFF]|[^\x00-\x7F]/g;
var re_btou = new RegExp(
[
"[\xC0-\xDF][\x80-\xBF]",
"[\xE0-\xEF][\x80-\xBF]{2}",
"[\xF0-\xF7][\x80-\xBF]{3}",
].join("|"),
"g"
);
const real = [
"[\xC0-\xDF][\x80-\xBF]",
"[\xE0-\xEF][\x80-\xBF]{2}",
"[\xF0-\xF7][\x80-\xBF]{3}",
]
.flatMap((a) => a.split(""))
.map((a) => a.codePointAt(0));
const expected = [
91, 192, 45, 223, 93, 91, 128, 45, 191, 93, 91, 224, 45, 239, 93, 91, 128, 45,
191, 93, 123, 50, 125, 91, 240, 45, 247, 93, 91, 128, 45, 191, 93, 123, 51,
125,
];
export function test() {
if (!real.every((point, i) => point === expected[i])) {
throw new Error(
`test failed.\n\nExpected:\n ${expected.join(
" "
)}\Received:\n ${real.join(" ")}`
);
}
testDone(import.meta.url);
}
|
