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Improved stringArrayEncoding runtime performance #1445

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Merged
sanex3339 merged 1 commit into from
Aug 23, 2026
Merged

Improved stringArrayEncoding runtime performance #1445

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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ Change Log
v5.6.0
---
* Pro API: `obfuscatePro` now fall back to the basic local obfuscation API when no Pro feature (`vmObfuscation` or `parseHtml`) is enabled, instead of throwing an `ApiError`
* Improved `stringArrayEncoding` runtime performance

v5.5.1
---
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22 changes: 14 additions & 8 deletions ...pers/string-array/templates/string-array-calls-wrapper/StringArrayBase64DecodeTemplate.ts
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Expand Up @@ -10,26 +10,32 @@ export function StringArrayBase64DecodeTemplate(randomGenerator: IRandomGenerato
const initializedIdentifier: string = randomGenerator.getRandomString(identifierLength);
const base64Identifier: string = randomGenerator.getRandomString(identifierLength);
const dataIdentifier: string = randomGenerator.getRandomString(identifierLength);
const cacheStateIdentifier: string = randomGenerator.getRandomString(identifierLength);

return `
if ({stringArrayCallsWrapperName}.${initializedIdentifier} === undefined) {
{atobPolyfill}
{stringArrayCallsWrapperName}.${base64Identifier} = {atobFunctionName};

{stringArrayCallsWrapperName}.${dataIdentifier} = {};

{stringArrayCallsWrapperName}.${initializedIdentifier} = true;
}

const firstValue = stringArray[0];
const cacheKey = index + firstValue;
const cachedValue = {stringArrayCallsWrapperName}.${dataIdentifier}[cacheKey];

if (!cachedValue) {

if ({stringArrayCallsWrapperName}.${cacheStateIdentifier} !== firstValue) {
{stringArrayCallsWrapperName}.${dataIdentifier} = {};
{stringArrayCallsWrapperName}.${cacheStateIdentifier} = firstValue;
}

const cachedValue = {stringArrayCallsWrapperName}.${dataIdentifier}[index];

if (cachedValue === undefined) {
{selfDefendingCode}

value = {stringArrayCallsWrapperName}.${base64Identifier}(value);
{stringArrayCallsWrapperName}.${dataIdentifier}[cacheKey] = value;
{stringArrayCallsWrapperName}.${dataIdentifier}[index] = value;
} else {
value = cachedValue;
}
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24 changes: 15 additions & 9 deletions ...helpers/string-array/templates/string-array-calls-wrapper/StringArrayRC4DecodeTemplate.ts
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Expand Up @@ -11,31 +11,37 @@ export function StringArrayRC4DecodeTemplate(randomGenerator: IRandomGenerator):
const rc4Identifier: string = randomGenerator.getRandomString(identifierLength);
const dataIdentifier: string = randomGenerator.getRandomString(identifierLength);
const onceIdentifier: string = randomGenerator.getRandomString(identifierLength);
const cacheStateIdentifier: string = randomGenerator.getRandomString(identifierLength);

return `
if ({stringArrayCallsWrapperName}.${initializedIdentifier} === undefined) {
{atobPolyfill}
{rc4Polyfill}
{stringArrayCallsWrapperName}.${rc4Identifier} = {rc4FunctionName};

{stringArrayCallsWrapperName}.${dataIdentifier} = {};

{stringArrayCallsWrapperName}.${initializedIdentifier} = true;
}

const firstValue = stringArray[0];
const cacheKey = index + firstValue;
const cachedValue = {stringArrayCallsWrapperName}.${dataIdentifier}[cacheKey];

if (!cachedValue) {
if ({stringArrayCallsWrapperName}.${cacheStateIdentifier} !== firstValue) {
{stringArrayCallsWrapperName}.${dataIdentifier} = {};
{stringArrayCallsWrapperName}.${cacheStateIdentifier} = firstValue;
}

const cachedValue = {stringArrayCallsWrapperName}.${dataIdentifier}[index];

if (cachedValue === undefined) {
if ({stringArrayCallsWrapperName}.${onceIdentifier} === undefined) {
{selfDefendingCode}

{stringArrayCallsWrapperName}.${onceIdentifier} = true;
}

value = {stringArrayCallsWrapperName}.${rc4Identifier}(value, key);
{stringArrayCallsWrapperName}.${dataIdentifier}[cacheKey] = value;
{stringArrayCallsWrapperName}.${dataIdentifier}[index] = value;
} else {
value = cachedValue;
}
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