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| Dir : //opt/alt/alt-nodejs19/root/lib/node_modules/npm/node_modules/@tufjs/models/dist/utils/json.js |
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.canonicalize = void 0;
const QUOTATION_MARK = Buffer.from('"');
const COMMA = Buffer.from(',');
const COLON = Buffer.from(':');
const LEFT_SQUARE_BRACKET = Buffer.from('[');
const RIGHT_SQUARE_BRACKET = Buffer.from(']');
const LEFT_CURLY_BRACKET = Buffer.from('{');
const RIGHT_CURLY_BRACKET = Buffer.from('}');
// eslint-disable-next-line @typescript-eslint/no-explicit-any
function canonicalize(object) {
let buffer = Buffer.from('');
if (object === null || typeof object !== 'object' || object.toJSON != null) {
// Primitives or toJSONable objects
if (typeof object === 'string') {
buffer = Buffer.concat([
buffer,
QUOTATION_MARK,
Buffer.from(object),
QUOTATION_MARK,
]);
}
else {
buffer = Buffer.concat([buffer, Buffer.from(JSON.stringify(object))]);
}
}
else if (Array.isArray(object)) {
// Array - maintain element order
buffer = Buffer.concat([buffer, LEFT_SQUARE_BRACKET]);
let first = true;
object.forEach((element) => {
if (!first) {
buffer = Buffer.concat([buffer, COMMA]);
}
first = false;
// recursive call
buffer = Buffer.concat([buffer, canonicalize(element)]);
});
buffer = Buffer.concat([buffer, RIGHT_SQUARE_BRACKET]);
}
else {
// Object - Sort properties before serializing
buffer = Buffer.concat([buffer, LEFT_CURLY_BRACKET]);
let first = true;
Object.keys(object)
.sort()
.forEach((property) => {
if (!first) {
buffer = Buffer.concat([buffer, COMMA]);
}
first = false;
buffer = Buffer.concat([buffer, Buffer.from(JSON.stringify(property))]);
buffer = Buffer.concat([buffer, COLON]);
// recursive call
buffer = Buffer.concat([buffer, canonicalize(object[property])]);
});
buffer = Buffer.concat([buffer, RIGHT_CURLY_BRACKET]);
}
return buffer;
}
exports.canonicalize = canonicalize;