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metamask-extension/app/scripts/lib/createTabIdMiddleware.js
Dan J Miller 1d2c57a2f3
Assign tabId to middleware request, if provided (#7695)
The `tabId` of the message sender is now added to the middleware
request object. This step is omitted if the `tabId` is not provided.
This is done early in the middleware stack, so the `tabId` should be
available for any subsequent middleware to use.

The Onboarding Middleware has also been modified to get the `tabId`
from the request object, rather than expecting it as a parameter upon
creation.

This refactor will enable further uses of the `tabId`.
2020-02-20 18:39:00 -04:00

15 lines
396 B
JavaScript

module.exports = createTabIdMiddleware
/**
* Returns a middleware that appends the DApp TabId to the request
* @param {{ tabId: number }} opts - The middleware options
* @returns {Function}
*/
function createTabIdMiddleware (opts) {
return function tabIdMiddleware (/** @type {any} */ req, /** @type {any} */ _, /** @type {Function} */ next) {
req.tabId = opts.tabId
next()
}
}