All files / src OptionsNormalizer.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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
 
 
 
 
1x
 
 
 
1x
 
 
 
 
 
 
 
 
 
 
1x
 
 
 
 
 
 
 
1x
 
 
 
 
 
 
 
 
 
 
23x
 
69x
69x
 
 
23x
 
 
 
 
 
 
 
23x
10x
 
 
23x
 
 
 
 
 
 
 
23x
11x
 
 
23x
 
 
 
 
 
 
 
23x
12x
 
 
23x
 
 
 
import { IObfuscatorOptions } from "./interfaces/IObfuscatorOptions";
 
import { TOptionsNormalizerRule } from "./types/TOptionsNormalizerRule";
 
export class OptionsNormalizer {
    /**
     * @type {IObfuscatorOptions}
     */
    private static DISABLED_UNICODE_ARRAY_OPTIONS: IObfuscatorOptions = {
        encodeUnicodeLiterals: false,
        rotateUnicodeArray: false,
        unicodeArray: false,
        unicodeArrayThreshold: 0,
        wrapUnicodeArrayCalls: false
    };
 
    /**
     * @type {IObfuscatorOptions}
     */
    private static SELF_DEFENDING_OPTIONS: IObfuscatorOptions = {
        compact: true,
        selfDefending: true
    };
 
    /**
     * @type {TOptionsNormalizerRule[]}
     */
    private static normalizerRules: TOptionsNormalizerRule[] = [
        OptionsNormalizer.unicodeArrayRule,
        OptionsNormalizer.unicodeArrayThresholdRule,
        OptionsNormalizer.selfDefendingRule
    ];
 
    /**
     * @param options
     * @returns {IObfuscatorOptions}
     */
    public static normalizeOptions (options: IObfuscatorOptions): IObfuscatorOptions {
        let normalizedOptions: IObfuscatorOptions = Object.assign({}, options);
 
        for (let normalizerRule of OptionsNormalizer.normalizerRules) {
            normalizedOptions = normalizerRule(normalizedOptions);
        }
 
        return normalizedOptions;
    }
 
    /**
     * @param options
     * @returns {IObfuscatorOptions}
     */
    private static selfDefendingRule (options: IObfuscatorOptions): IObfuscatorOptions {
        if (options.selfDefending) {
            Object.assign(options, OptionsNormalizer.SELF_DEFENDING_OPTIONS);
        }
 
        return options;
    }
 
    /**
     * @param options
     * @returns {IObfuscatorOptions}
     */
    private static unicodeArrayRule (options: IObfuscatorOptions): IObfuscatorOptions {
        if (!options.unicodeArray) {
            Object.assign(options, OptionsNormalizer.DISABLED_UNICODE_ARRAY_OPTIONS);
        }
 
        return options;
    }
 
    /**
     * @param options
     * @returns {IObfuscatorOptions}
     */
    private static unicodeArrayThresholdRule (options: IObfuscatorOptions): IObfuscatorOptions {
        if (options.unicodeArrayThreshold === 0) {
            Object.assign(options, OptionsNormalizer.DISABLED_UNICODE_ARRAY_OPTIONS);
        }
 
        return options;
    }
}