SwAdMrec

Ad Placement Four Essentials
Use case: inline rectangle slots such as the article sidebar / right side of the play page (slotKey e.g. home_mrec)
Industry form: MREC (IAB Medium Rectangle 300×250; AdSDK format mrec)
Visual form: fixed-ratio medium rectangle image, single image direct render / multi-image carousel
Tracking events: same as banner — adImpression (once on entering the viewport via IntersectionObserver) / adClick; built-in zero-config, silent no-op when the tracker gate is off
Picking the wrong scenario = wrong ad_type / timing in tracking. See Ad Component Selection.

SwAdMrec is the medium rectangle ad slot (MREC, the industry-standard 300×250) — an "image-type" self-rendering component of the ad foundation. Same lineage as SwAdBanner; the difference is a default ratio of '300/250' (rectangle rather than banner). Impression / click tracking is built in.

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Props

Name	Type	Required	Default	Description
`items`	`SwAdItem[]`	✓	—	Ad creative array
`slotKey`	`string`	✓	—	Ad slot key → `ad_slot_key`
`slotName`	`string`		`undefined`	Ad slot name → `ad_slot_name`
`pageKey`	`string`		`undefined`	Page key → `page_key`
`pageName`	`string`		`undefined`	Page name → `page_name`
`ratio`	`string`		`'300/250'`	Aspect ratio, default standard MREC rectangle
`radius`	`number \| string`		`0`	Corner radius (number = px, string passed to SwImage as-is, e.g. `'1.125rem'`)
`showAdLabel`	`boolean`		`undefined`	"Ad" compliance badge; when not set it follows the global `swiftConfig.ad.showLabel` (default `true`), an explicit value always wins
`autoplay`	`boolean`		`true`	Multi-image autoplay
`autoplayDelay`	`number`		`4000`	Carousel interval (ms)

Events

Name	Payload	Description
`load`	—	Creative rendered
`empty`	—	`items` empty
`impression`	`items: SwAdItem[]`	Impression (tracking already reported)
`click`	`item: SwAdItem`	Click (tracking already reported)
`error`	—	Render / load error

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<SwAdMrec :items="ads" slot-key="article_mrec" page-key="article" :radius="8" show-ad-label />

Caveats

Defaults to a rectangle (300/250); pass ratio to override.
Tracking is built in and gated; see Ad & Tracking.