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conformance · v137

v137 · writer-api — conformance probe

6 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.

browser: spec: https://webmachinelearning.github.io/writing-assistance-apis/#writer-api chromestatus: #4712595362414592 generated 2026-06-01T09:35:00Z by conformance-author-v1-subagent
0
pass
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fail
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blocked
6
total
id contract kind verdict detail
writer-global-exists The Writer interface is exposed on the global scope. spec ↗ script
writer-create-is-function Writer.create(options) is a static function returning a Promise<Writer>. spec ↗ script
writer-availability-is-function Writer.availability(options) is a static function returning a Promise<Availability>. spec ↗ script
writer-prototype-write Writer sessions expose write(input, options) returning a Promise<DOMString>. spec ↗ script
writer-prototype-writeStreaming Writer sessions expose writeStreaming(input, options) returning a ReadableStream. spec ↗ script
writer-prototype-measureInputUsage Writer sessions expose measureInputUsage(input, options) for input-size accounting. spec ↗ script