feat(browser-context): add a virtual clipboard#41741
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add a new `browserContext.clipboard` for reading and writing rich content (e.g. `text/html`), binary data (e.g. `image/png`), and plain text it leverages a per-context store that shims and shares `navigator.clipboard`, native `ControlOrMeta+c`/`ControlOrMeta+v` (via `trusted` event interception), and `document.execCommand` across every page copy, cut, and paste dispatch a real `ClipboardEvent` with a populated `DataTransfer` so that page handlers can read and override `clipboardData` like they would in a real browser with one exception as Firefox does not expose `clipboardData` on a synthesized `paste` event the shim is installed lazily on the first `browserContext.clipboard` use, or eagerly via `browserContext.clipboard.install()` (e.g. for pages that only exercise native keyboard shortcuts) note that `navigator.clipboard` is only redirected where the browser already exposes it and rejects types it cannot write since that API has additional restrictions (unlike native keyboard interactions)
dcrousso
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Test results for "MCP"1 failed 7759 passed, 1249 skipped Merge workflow run. |
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Test results for "tests 1"3 failed 6 flaky49730 passed, 1162 skipped Merge workflow run. |
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add a new
browserContext.clipboardfor reading and writing rich content (e.g.text/html), binary data (e.g.image/png), and plain textit leverages a per-context store that shims and shares
navigator.clipboard, nativeControlOrMeta+c/ControlOrMeta+v(viatrustedevent interception), anddocument.execCommandacross every pagecopy, cut, and paste dispatch a real
ClipboardEventwith a populatedDataTransferso that page handlers can read and overrideclipboardDatalike they would in a real browserwith one exception as Firefox does not expose
clipboardDataon a synthesizedpasteeventthe shim is installed lazily on the first
browserContext.clipboarduse, or eagerly viabrowserContext.clipboard.install()(e.g. for pages that only exercise native keyboard shortcuts)note that
navigator.clipboardis only redirected where the browser already exposes it and rejects types it cannot write since that API has additional restrictions (unlike native keyboard interactions)fixes #15860