All files / src/node-obfuscators LiteralObfuscator.ts

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
1x
 
 
1x
1x
1x
1x
1x
 
1x
 
 
 
 
 
80277x
5036x
 
 
75241x
 
 
 
6054x
 
 
6054x
 
 
18696x
 
 
18696x
 
 
47468x
 
 
47468x
 
 
3023x
 
 
72218x
 
 
 
 
 
 
import * as escodegen from 'escodegen';
import * as ESTree from 'estree';
 
import { AbstractNodeObfuscator } from './AbstractNodeObfuscator';
import { BooleanLiteralReplacer } from './replacers/BooleanLiteralReplacer';
import { Node } from '../node/Node';
import { NumberLiteralReplacer } from './replacers/NumberLiteralReplacer';
import { StringLiteralReplacer } from './replacers/StringLiteralReplacer';
 
export class LiteralObfuscator extends AbstractNodeObfuscator {
    /**
     * @param literalNode
     * @param parentNode
     */
    public obfuscateNode (literalNode: ESTree.Literal, parentNode: ESTree.Node): void {
        if (Node.isPropertyNode(parentNode) && parentNode.key === literalNode) {
            return;
        }
 
        let content: string;
 
        switch (typeof literalNode.value) {
            case 'boolean':
                content = new BooleanLiteralReplacer(this.nodes, this.options)
                    .replace(<boolean>literalNode.value);
 
                break;
 
            case 'number':
                content = new NumberLiteralReplacer(this.nodes, this.options)
                    .replace(<number>literalNode.value);
 
                break;
 
            case 'string':
                content = new StringLiteralReplacer(this.nodes, this.options)
                        .replace(<string>literalNode.value);
 
                break;
 
            default:
                return;
        }
 
        literalNode['x-verbatim-property'] = {
            content : content,
            precedence: escodegen.Precedence.Primary
        };
    }
}