codekingpro/portable-devtools

1"use strict";
2/*
3Copyright 2023 The Sigstore Authors.
4
5Licensed under the Apache License, Version 2.0 (the "License");
6you may not use this file except in compliance with the License.
7You may obtain a copy of the License at
8
9    http://www.apache.org/licenses/LICENSE-2.0
10
11Unless required by applicable law or agreed to in writing, software
12distributed under the License is distributed on an "AS IS" BASIS,
13WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14See the License for the specific language governing permissions and
15limitations under the License.
16*/
17Object.defineProperty(exports, "__esModule", { value: true });
18exports.canonicalize = canonicalize;
19// JSON canonicalization per https://github.com/cyberphone/json-canonicalization
20// eslint-disable-next-line @typescript-eslint/no-explicit-any
21function canonicalize(object) {
22    let buffer = '';
23    if (object === null || typeof object !== 'object' || object.toJSON != null) {
24        // Primitives or toJSONable objects
25        buffer += JSON.stringify(object);
26    }
27    else if (Array.isArray(object)) {
28        // Array - maintain element order
29        buffer += '[';
30        let first = true;
31        object.forEach((element) => {
32            if (!first) {
33                buffer += ',';
34            }
35            first = false;
36            // recursive call
37            buffer += canonicalize(element);
38        });
39        buffer += ']';
40    }
41    else {
42        // Object - Sort properties before serializing
43        buffer += '{';
44        let first = true;
45        Object.keys(object)
46            .sort()
47            .forEach((property) => {
48            if (!first) {
49                buffer += ',';
50            }
51            first = false;
52            buffer += JSON.stringify(property);
53            buffer += ':';
54            // recursive call
55            buffer += canonicalize(object[property]);
56        });
57        buffer += '}';
58    }
59    return buffer;
60}
61