How do I check whether my UI5 manifest declares every library?

Open the Libraries tab in the FrontTailor panel and click Analyze. The analysis compares the loaded libraries and the app’s controls with sap.ui5/dependencies/libs and proposes missing entries as copyable JSON.

Why should I declare every UI5 library in the manifest?

UI5 loads declared libraries as a preload bundle in parallel with the start. Undeclared ones come module by module, often synchronously; that costs load time, needs unsafe-eval under a strict CSP and breaks in UI5 2.0 and in the launchpad.

What does the library analyzer cost?

Analysis, findings, network view and the manifest proposal are free (Community). The report as Markdown or CSV over all analyzed apps comes with Pro.

Libraries

A UI5 app has to name every library it uses in sap.ui5/dependencies/libs. If one is missing, the app often still runs – until it starts slowly, loads synchronously or breaks in the launchpad. The library analyzer shows for the running app which libraries are loaded, where they come from, whether the manifest declares them and which controls stem from them. Analysis and proposal are free; the export comes with Pro.

Edition: Community
Tab: “Libraries”
Export: Pro
Surfaces: DevTools panel and side panel
On PROD: allowed, the analysis only reads

Analyze

Open the FrontTailor panel in DevTools (F12) or the side panel and choose the Libraries tab. Nothing runs in the page until you click Analyze.

Open the app and navigate to the views you want to check – dialogs, too.
Choose the Libraries tab in the panel and click Analyze.
Read the verdict and the findings. If a declaration is missing, the Manifest proposal adds it.
Use Copy to take the proposal into the app’s manifest.json.
After further steps in the app, click Analyze again.

Library analyzer card with the verdict The manifest declares every library, counters per severity, scope of the analysis and the note about the full Resource Timing buffer — The analysis of the freestyle demo app: no error, one info and one hint finding.

The verdict, for example “The manifest declares every library the app uses.”
Counters per severity: Error, Warning, Info, Hint.
What was checked: app, UI5 version, minUI5Version, app controls and elements. Below it the network summary.
Note when the browser’s Resource Timing buffer is full (see network).
Analyze again.

Only controls that exist right now are seen. Dialogs and views that were never open are missing – open them and analyze again. In the launchpad the running app counts, not the shell; Fiori elements templates belong to the framework.

Findings

Filter by library or control.
Severity: All, Error, Warning, Info, Hint.
Severity of the finding.
Network: how the library came in – preload or single modules, number of modules, theme files, server, size and duration. Below it the loaded modules as evidence.
Fix with the concrete step; below it the link to the UI5 documentation.
Export as CSV or Markdown (see export).

Finding	Severity	When
Used but not declared	Error	app controls stem from the library, and neither manifest nor bootstrap nor a declared library covers it
Declared only in the bootstrap	Warning	only `data-sap-ui-libs` loads it – the launchpad does not use that HTML page
Preloaded through another library	Info	not declared, but comes as a dependency of a declared library
Loaded but not declared	Warning, Info in Fiori elements apps and the launchpad	loaded, nothing explains it, no app control uses it
Declared lazy, not loaded yet	Info	declared with `"lazy": true` and not needed yet
Declared but not loaded	Warning	declared (not lazy), but not loaded
Declared, but no control of the app uses it	Hint	only a hint, because views and dialogs that were not opened are missing
Library older than its minVersion	Warning	the declaration’s `minVersion` is above the loaded version; plus warnings about `minUI5Version`
Library version differs from the core	Warning	framework library with another version than `sap.ui.core`
Declared, but no preload found	Warning	network: modules came one by one while other libraries had a preload
Loaded over the network, not declared	Warning or Info	network: requested, not declared, nothing explains it
No library preload on the server	Info	network: no `library-preload` at all – server or build, not the manifest (for example `ui5 serve`)

Findings with controls name class, count and up to five examples with ID and view. Show in Inspector opens the control in the Inspector, Highlight in page frames it in the app.

Manifest proposal

What was added, for example “Added: sap.ui.layout” – or that nothing is missing.
Why declare every library?: preload, synchronous requests, CSP, UI5 2.0 and launchpad.
Copy.

The proposal contains the existing declarations and adds missing libraries. If all controls of a library live only in dialogs or popovers, it proposes the library as "lazy": true – then load it with sap/ui/core/Lib.load before use. Declarations without use stay in: check them before you remove them.

Loaded libraries and network

Loaded libraries table with sap.ui.layout, sap.m and sap.ui.core, columns Manifest, Network, Came in through, App controls and Status — The demo app’s three libraries. Without preload their modules come one by one from the app server.

Manifest: declared or not.
Network: Preload, Single modules, Bootstrap bundle or no requests, with number of modules, synchronous loads, theme files, server or CDN, size and duration.
Came in through: where the library comes from.
The library’s Status; next to it the number of App controls from it.

Came in through	Meaning
App manifest	in the app’s `sap.ui5/dependencies/libs`
Component	in the manifest of a component of the app, for example the list report
Bootstrap	`data-sap-ui-libs` or `window["sap-ui-config"].libs`
Dependency	non-lazy dependency of a loaded library
Lazy dependency	lazy dependency of a loaded library – explains nothing, it is not preloaded
Framework	the launchpad shell or its plug-ins
Implicit	none of these – loaded without anything visible explaining it

The network view reads the page’s Resource Timing entries – like the DevTools network tab, but also in the side panel and without extra requests. By default the browser keeps 250 entries; later ones are missing. FrontTailor does not change the buffer size but records every UI5 request itself from the moment the tab opens. If the buffer is full, the tab says so: keep using the app and analyze again.

Export

With from Pro, Markdown and CSV export a library report over all apps you analyzed in this tab – for example apps of a launchpad opened one after another. The report contains library and class names, control IDs, view names and the URL without parameters, no app data; email addresses and IBANs in IDs are masked. The session’s analyses stay in the browser only until the tab closes. Without Pro a click on the export explains what it contains; analysis, findings and the manifest proposal stay free.

Library findings in the UI5 2.0 check lead straight to this tab with Analyze libraries.

Typical problems

What you see	Cause and fix
“No app component found in this frame (launchpad home?) …”	The home page has no app. Open an app and analyze again.
Declared, but no control of the app uses it, although the library is needed	The controls live in a view or dialog that was not open yet. Open it and analyze again – or declare the library lazy.
No library preload on the server	Typical for local development servers with sources. Nothing to do locally; check the delivered app with built UI5.
Note about a full Resource Timing buffer	Requests between the overflow and opening the tab are missing. From now on FrontTailor records every UI5 request: use the app and analyze again.

Libraries

Analyze

Findings

Manifest proposal

Loaded libraries and network

Export

Typical problems

See also

Sources on this page

Short answers.

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