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Colby Mchenry
c3efbbf4e7
An Angular handler's only caller is its template: `(click)="toggleFavorite()"`,
`(ngSubmit)="submitForm()"`. With no edge, the method showed no callers,
impact stopped at it, and the Steps picture of a screen reached its
handlers only through class containment, with nothing to say what fires
them.
The template pass now reads each `(event)="…"` binding — not
`[(ngModel)]`'s two-way half — and links the component to every method of
its own the statement calls (`save()`, `this.toggle(x)`; not
`closed.emit()` or `form.reset()`), as a `calls` edge
(`synthesizedBy: 'angular-event'`) carrying the binding as
`metadata.trigger`: `{ kind: 'prop', name: '(click)', of: 'button' }`.
The binding is in the template, so it cannot be read back from the source
at the edge's line; Steps now takes a trigger an edge carries before
reading one at the site.
angular-realworld: 21 binding sites → 17 edges (3 repeats of a method and
event, 1 `delete.emit(true)`); Steps for /article/:slug draws
deleteArticle on (click) · <button> → DELETE and back to /, addComment on
(ngSubmit) · <form>, the favorite button's toggle → POST/DELETE or
/register. Ghostfolio 225 edges of 302 sites, ngx-admin 75 of 100 — the
rest are `$event.stopPropagation()`, output emits, assignments and
repeats. Controls (koel, proshop) byte-identical.
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>