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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/viem/_esm/utils/hash
Просмотр файла: normalizeSignature.js
import { BaseError } from '../../errors/base.js';
export function normalizeSignature(signature) {
let active = true;
let current = '';
let level = 0;
let result = '';
let valid = false;
for (let i = 0; i < signature.length; i++) {
const char = signature[i];
// If the character is a separator, we want to reactivate.
if (['(', ')', ','].includes(char))
active = true;
// If the character is a "level" token, we want to increment/decrement.
if (char === '(')
level++;
if (char === ')')
level--;
// If we aren't active, we don't want to mutate the result.
if (!active)
continue;
// If level === 0, we are at the definition level.
if (level === 0) {
if (char === ' ' && ['event', 'function', ''].includes(result))
result = '';
else {
result += char;
// If we are at the end of the definition, we must be finished.
if (char === ')') {
valid = true;
break;
}
}
continue;
}
// Ignore spaces
if (char === ' ') {
// If the previous character is a separator, and the current section isn't empty, we want to deactivate.
if (signature[i - 1] !== ',' && current !== ',' && current !== ',(') {
current = '';
active = false;
}
continue;
}
result += char;
current += char;
}
if (!valid)
throw new BaseError('Unable to normalize signature.');
return result;
}
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