SSE client-shape contract checks — token swap mode and eager connect.
contracts.rules_sse_client_shape
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Symbols on this page
Classify EventStream generators as one-shot or per-token Fragment yields.
Return(event_name, replaces, swap_mode) for each sse-swapsink.
Warn when a multi-Fragment SSE stream uses replace swaps instead of append.
Info when a full page statically connects to SSE on first paint.
_FragmentYieldVisitor
class
Classify EventStream generators as one-shot or per-token Fragment yields.
_sse_swap_sinks
function
def _sse_swap_sinks(source: str) -> list[tuple[str, bool, str]]Return(event_name, replaces, swap_mode) for each sse-swapsink.
Parameters
| Name | Type | Default | Description |
|---|---|---|---|
source
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str
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— |
check_sse_token_swap_mode
function
def check_sse_token_swap_mode(template_sources: dict[str, str], router: Router) -> list[ContractIssue]Warn when a multi-Fragment SSE stream uses replace swaps instead of append.
Parameters
| Name | Type | Default | Description |
|---|---|---|---|
template_sources
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dict[str, str]
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— | |
router
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Router
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— |
check_sse_eager_connect
function
def check_sse_eager_connect(template_sources: dict[str, str]) -> list[ContractIssue]Info when a full page statically connects to SSE on first paint.
Parameters
| Name | Type | Default | Description |
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template_sources
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dict[str, str]
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— |
View source · /home/runner/work/chirp/chirp/site/../src/chirp/contracts/rules_sse_client_shape.py:1