diff options
| author | Geert-Jan Zwiers <geertjanzwiers@protonmail.com> | 2022-05-13 18:36:00 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-05-13 18:36:00 +0200 |
| commit | 0568be863ba5e02bdbd3889f66281fae356f7263 (patch) | |
| tree | 27e19ef52beea9fbd0a4c281829be59660718de9 | |
| parent | 939a070c8cbe77626e07a01646c324b2ae5ac740 (diff) | |
feat(ext/web): add performance.toJSON (#14548)
| -rw-r--r-- | cli/dts/lib.deno.shared_globals.d.ts | 4 | ||||
| -rw-r--r-- | cli/tests/unit/performance_test.ts | 9 | ||||
| -rw-r--r-- | ext/web/15_performance.js | 4 | ||||
| -rw-r--r-- | tools/wpt/expectation.json | 2 |
4 files changed, 16 insertions, 3 deletions
diff --git a/cli/dts/lib.deno.shared_globals.d.ts b/cli/dts/lib.deno.shared_globals.d.ts index b96c56dba..d430c16b0 100644 --- a/cli/dts/lib.deno.shared_globals.d.ts +++ b/cli/dts/lib.deno.shared_globals.d.ts @@ -450,6 +450,7 @@ declare class Worker extends EventTarget { declare type PerformanceEntryList = PerformanceEntry[]; declare class Performance { + /** Returns a timestamp representing the start of the performance measurement. */ readonly timeOrigin: number; constructor(); @@ -490,6 +491,9 @@ declare class Performance { * ``` */ now(): number; + + /** Returns a JSON representation of the performance object. */ + toJSON(): any; } declare var performance: Performance; diff --git a/cli/tests/unit/performance_test.ts b/cli/tests/unit/performance_test.ts index 252a31fc4..917546e2c 100644 --- a/cli/tests/unit/performance_test.ts +++ b/cli/tests/unit/performance_test.ts @@ -27,6 +27,15 @@ Deno.test(function timeOrigin() { assert(Date.now() >= origin); }); +Deno.test(function performanceToJSON() { + const json = performance.toJSON(); + + assert("timeOrigin" in json); + assert(json.timeOrigin === performance.timeOrigin); + // check there are no other keys + assertEquals(Object.keys(json).length, 1); +}); + Deno.test(function performanceMark() { const mark = performance.mark("test"); assert(mark instanceof PerformanceMark); diff --git a/ext/web/15_performance.js b/ext/web/15_performance.js index d1437c8d7..10e014008 100644 --- a/ext/web/15_performance.js +++ b/ext/web/15_performance.js @@ -556,7 +556,9 @@ toJSON() { webidl.assertBranded(this, PerformancePrototype); - return {}; + return { + timeOrigin: this.timeOrigin, + }; } [customInspect](inspect) { diff --git a/tools/wpt/expectation.json b/tools/wpt/expectation.json index e71a48e2f..2fa5f6e68 100644 --- a/tools/wpt/expectation.json +++ b/tools/wpt/expectation.json @@ -1182,13 +1182,11 @@ "idlharness.any.html": [ "Performance interface: existence and properties of interface object", "Performance interface: existence and properties of interface prototype object", - "Performance interface: default toJSON operation on performance", "Window interface: attribute performance" ], "idlharness.any.worker.html": [ "Performance interface: existence and properties of interface object", "Performance interface: existence and properties of interface prototype object", - "Performance interface: default toJSON operation on performance", "WorkerGlobalScope interface: attribute performance", "WorkerGlobalScope interface: self must inherit property \"performance\" with the proper type" ], |