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feat: skip attaching the launcher when its embedded and update tests #53

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feat: skip attaching the launcher when its embedded and update tests #53

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2384f36
feat: skip attaching the launcher when its embedded and update tests
jaissica12 Jan 21, 2026
8760220
add additional check for currentLauncher and update test
jaissica12 Jan 21, 2026
1eedab7
add helper to check if launcher can be attached and update tests
jaissica12 Jan 28, 2026
6d50f61
remove check for Rokt.currentLauncher
jaissica12 Jan 29, 2026
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21 changes: 12 additions & 9 deletions src/Rokt-Kit.js
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,14 @@ var constructor = function () {
return baseUrl + '?extensions=' + extensions.join(',');
}

/**
* Checks if Rokt launcher is available and ready to attach
* @returns {boolean} True if launcher can be attached
*/
function isLauncherReadyToAttach() {
return window.Rokt && typeof window.Rokt.createLauncher === 'function';
}

/**
* Passes attributes to the Rokt Web SDK for client-side hashing
* @see https://docs.rokt.com/developers/integration-guides/web/library/integration-launcher#hash-attributes
Expand Down Expand Up @@ -120,7 +128,9 @@ var constructor = function () {
return;
}

if (!window.Rokt || !(window.Rokt && window.Rokt.currentLauncher)) {
if (isLauncherReadyToAttach()) {
attachLauncher(accountId, launcherOptions);
} else {
var target = document.head || document.body;
var script = document.createElement('script');
script.type = 'text/javascript';
Expand All @@ -131,12 +141,7 @@ var constructor = function () {
script.id = 'rokt-launcher';

script.onload = function () {
// Once the script loads, ensure the Rokt object is available
if (
window.Rokt &&
typeof window.Rokt.createLauncher === 'function' &&
window.Rokt.currentLauncher === undefined
) {
if (isLauncherReadyToAttach()) {
attachLauncher(accountId, launcherOptions);
} else {
console.error(
Expand All @@ -151,8 +156,6 @@ var constructor = function () {

target.appendChild(script);
captureTiming(PerformanceMarks.RoktScriptAppended);
} else {
console.warn('Unable to find Rokt on the page');
}
}
/**
Expand Down
22 changes: 22 additions & 0 deletions test/src/tests.js
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Original file line number Diff line number Diff line change
Expand Up @@ -577,6 +577,14 @@ describe('Rokt Forwarder', () => {
});

it('should add a performance marker when the script is appended', async () => {
var savedRokt = window.mParticle.Rokt;
window.Rokt = undefined;
window.mParticle.Rokt = {
domain: 'apps.rokt.com',
attachKit: async () => Promise.resolve(),
filters: savedRokt.filters,
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Copilot AI Jan 21, 2026

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For better test isolation and consistency, consider explicitly initializing the createLauncherCalled flag in the new mParticle.Rokt object. While this test doesn't assert on createLauncherCalled, adding it would match the pattern used in beforeEach (line 542) and prevent potential issues if future tests rely on this flag's state. Example: createLauncherCalled: false

Suggested change
filters: savedRokt.filters,
filters: savedRokt.filters,
createLauncherCalled: false,

Copilot uses AI. Check for mistakes.
};

await window.mParticle.forwarder.init(
{ accountId: '123456' },
reportService.cb,
Expand Down Expand Up @@ -724,6 +732,20 @@ describe('Rokt Forwarder', () => {

mockMessageQueue.length.should.equal(0);
});

it('should call createLauncher when launcher is embedded and not yet initialized', async () => {
await window.mParticle.forwarder.init(
{ accountId: '123456' },
reportService.cb,
false,
null,
{}
);

await waitForCondition(() => window.mParticle.Rokt.attachKitCalled);

window.mParticle.Rokt.createLauncherCalled.should.equal(true);
});
});

describe('#selectPlacements', () => {
Expand Down
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