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fix(core): update

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This commit is contained in:
Philipp Kunz
2019-10-10 17:28:23 +02:00
parent 979375f08d
commit 55a5948a51
5 changed files with 695 additions and 571 deletions
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3
ts/index.ts
View File

@ -2,8 +2,9 @@ import * as create from './smartstring.create';
import * as docker from './smartstring.docker';
import * as indent from './smartstring.indent';
import * as normalize from './smartstring.normalize';
import * as type from './smartstring.type';
export { create, docker, normalize, indent };
export { create, docker, normalize, indent, type };
export { Base64, base64 } from './smartstring.base64';
export { Domain } from './smartstring.domain';

77
ts/smartstring.type.ts Normal file
View File

@ -0,0 +1,77 @@
import * as plugins from './smartstring.plugins';
export const isUtf8 = (stringArg: string) => {
const bytes = Buffer.from(stringArg);
let i = 0;
while(i < bytes.length)
{
if( (// ASCII
bytes[i] === 0x09 ||
bytes[i] === 0x0A ||
bytes[i] === 0x0D ||
(0x20 <= bytes[i] && bytes[i] <= 0x7E)
)
) {
i += 1;
continue;
}
if( (// non-overlong 2-byte
(0xC2 <= bytes[i] && bytes[i] <= 0xDF) &&
(0x80 <= bytes[i+1] && bytes[i+1] <= 0xBF)
)
) {
i += 2;
continue;
}
if( (// excluding overlongs
bytes[i] === 0xE0 &&
(0xA0 <= bytes[i + 1] && bytes[i + 1] <= 0xBF) &&
(0x80 <= bytes[i + 2] && bytes[i + 2] <= 0xBF)
) ||
(// straight 3-byte
((0xE1 <= bytes[i] && bytes[i] <= 0xEC) ||
bytes[i] === 0xEE ||
bytes[i] === 0xEF) &&
(0x80 <= bytes[i + 1] && bytes[i+1] <= 0xBF) &&
(0x80 <= bytes[i+2] && bytes[i+2] <= 0xBF)
) ||
(// excluding surrogates
bytes[i] === 0xED &&
(0x80 <= bytes[i+1] && bytes[i+1] <= 0x9F) &&
(0x80 <= bytes[i+2] && bytes[i+2] <= 0xBF)
)
) {
i += 3;
continue;
}
if( (// planes 1-3
bytes[i] === 0xF0 &&
(0x90 <= bytes[i + 1] && bytes[i + 1] <= 0xBF) &&
(0x80 <= bytes[i + 2] && bytes[i + 2] <= 0xBF) &&
(0x80 <= bytes[i + 3] && bytes[i + 3] <= 0xBF)
) ||
(// planes 4-15
(0xF1 <= bytes[i] && bytes[i] <= 0xF3) &&
(0x80 <= bytes[i + 1] && bytes[i + 1] <= 0xBF) &&
(0x80 <= bytes[i + 2] && bytes[i + 2] <= 0xBF) &&
(0x80 <= bytes[i + 3] && bytes[i + 3] <= 0xBF)
) ||
(// plane 16
bytes[i] === 0xF4 &&
(0x80 <= bytes[i + 1] && bytes[i + 1] <= 0x8F) &&
(0x80 <= bytes[i + 2] && bytes[i + 2] <= 0xBF) &&
(0x80 <= bytes[i + 3] && bytes[i + 3] <= 0xBF)
)
) {
i += 4;
continue;
}
return false;
}
return true;
};