30 lines
1.0 KiB
JavaScript
30 lines
1.0 KiB
JavaScript
|
import { _noCopyArrayify } from "./array.js";
|
||
|
|
import { isHexString } from "./check.js";
|
||
|
|
import { hexlify } from "./hex.js";
|
||
|
|
import { logger } from "./logger.js";
|
||
|
|
export function concat(datas) {
|
||
|
|
return "0x" + datas.map((d) => hexlify(d).substring(2)).join("");
|
||
|
|
}
|
||
|
|
export function dataLength(data) {
|
||
|
|
if (isHexString(data, true)) {
|
||
|
|
return (data.length - 2) / 2;
|
||
|
|
}
|
||
|
|
return _noCopyArrayify(data).length;
|
||
|
|
}
|
||
|
|
export function dataSlice(data, start, end) {
|
||
|
|
const bytes = _noCopyArrayify(data);
|
||
|
|
if (end != null && end > bytes.length) {
|
||
|
|
logger.throwError("cannot slice beyond data bounds", "BUFFER_OVERRUN", {
|
||
|
|
buffer: bytes, length: bytes.length, offset: end
|
||
|
|
});
|
||
|
|
}
|
||
|
|
return hexlify(bytes.slice((start == null) ? 0 : start, (end == null) ? bytes.length : end));
|
||
|
|
}
|
||
|
|
export function stripZerosLeft(data) {
|
||
|
|
let bytes = hexlify(data).substring(2);
|
||
|
|
while (bytes.substring(0, 2) == "00") {
|
||
|
|
bytes = bytes.substring(2);
|
||
|
|
}
|
||
|
|
return "0x" + bytes;
|
||
|
|
}
|
||
|
|
//# sourceMappingURL=data.js.map
|