Error allocation response

javascript.error-capture

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Selected signal results for external comparison. Field statuses, controls and exact values are retained.

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// Test source pending.

Definition

Error/plain allocation response by stack-limit and depth condition retains applied limits, counts and separate warm/measured aggregates.

Find it in the repository

Collector source: core/signals/javascript/error-capture.ts
Export: measurementModule · Signal object
Field definitions: core/definitions/javascript/error-capture.ts
Capture membership: Product capture · common/capture/product.ts
Page registration: app/signals/registry.ts
Field projection: core/results/measurement.ts

Execution contract

Signal: javascript.error-capture
Collector: javascript.error-capture
API / surface: core/signals/javascript/error-capture.ts
Timeout: 2000 ms
Companion signals: None
Fixture inputs: Declared requests (listed below)

Exact request inputs

[
  {
    "key": "javascript.error-capture.capture-zero-0-plain",
    "inputs": {
      "capture-zero-0-plain": {
        "limit": "zero",
        "depth": 0,
        "errors": false,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-ordinary-32-error",
    "inputs": {
      "capture-ordinary-32-error": {
        "limit": "ordinary",
        "depth": 32,
        "errors": true,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-nonnumeric-32-plain",
    "inputs": {
      "capture-nonnumeric-32-plain": {
        "limit": "nonnumeric",
        "depth": 32,
        "errors": false,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-zero-0-error",
    "inputs": {
      "capture-zero-0-error": {
        "limit": "zero",
        "depth": 0,
        "errors": true,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-zero-32-plain",
    "inputs": {
      "capture-zero-32-plain": {
        "limit": "zero",
        "depth": 32,
        "errors": false,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-nonnumeric-0-plain",
    "inputs": {
      "capture-nonnumeric-0-plain": {
        "limit": "nonnumeric",
        "depth": 0,
        "errors": false,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-ordinary-8-error",
    "inputs": {
      "capture-ordinary-8-error": {
        "limit": "ordinary",
        "depth": 8,
        "errors": true,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-nonnumeric-8-plain",
    "inputs": {
      "capture-nonnumeric-8-plain": {
        "limit": "nonnumeric",
        "depth": 8,
        "errors": false,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-nonnumeric-32-error",
    "inputs": {
      "capture-nonnumeric-32-error": {
        "limit": "nonnumeric",
        "depth": 32,
        "errors": true,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-ordinary-0-plain",
    "inputs": {
      "capture-ordinary-0-plain": {
        "limit": "ordinary",
        "depth": 0,
        "errors": false,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-zero-8-plain",
    "inputs": {
      "capture-zero-8-plain": {
        "limit": "zero",
        "depth": 8,
        "errors": false,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-nonnumeric-0-error",
    "inputs": {
      "capture-nonnumeric-0-error": {
        "limit": "nonnumeric",
        "depth": 0,
        "errors": true,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-zero-8-error",
    "inputs": {
      "capture-zero-8-error": {
        "limit": "zero",
        "depth": 8,
        "errors": true,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-nonnumeric-8-error",
    "inputs": {
      "capture-nonnumeric-8-error": {
        "limit": "nonnumeric",
        "depth": 8,
        "errors": true,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-zero-32-error",
    "inputs": {
      "capture-zero-32-error": {
        "limit": "zero",
        "depth": 32,
        "errors": true,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-ordinary-8-plain",
    "inputs": {
      "capture-ordinary-8-plain": {
        "limit": "ordinary",
        "depth": 8,
        "errors": false,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-ordinary-0-error",
    "inputs": {
      "capture-ordinary-0-error": {
        "limit": "ordinary",
        "depth": 0,
        "errors": true,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-ordinary-32-plain",
    "inputs": {
      "capture-ordinary-32-plain": {
        "limit": "ordinary",
        "depth": 32,
        "errors": false,
        "countPerBatch": 64
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.error-capture.capture-schedule",
    "inputs": {
      "capture-schedule": {
        "maxAllocations": 3456
      }
    },
    "controls": {}
  }
]

One collector runs per invocation. Results and JSON select this signal’s fields; any companions execute in the same collector.

Generated source manifest lists runtime files, fixture URLs and content digests for this build. The Source tab provides a copyable console sample.

Run and edit locally

From the repository root, start the Astro app, then open /signals/javascript.error-capture. Edit the collector source and reload the page to load its new build.

pnpm run dev:web

In a browser module served by this repository’s Vite graph:

import { createCollector } from "/core/collect"
import { measurementModule } from "/core/signals/javascript/error-capture"

const signal = measurementModule
const collector = createCollector()
const suite = { signals: [signal] }
const result = await collector.collect(suite)

Reuse the collector owner for repeated calls so collection can enforce cleanup. This returns the collector’s raw result; app/signals/projection.ts selects the retained fields shown on this page.

rg -n 'measurementModule' core app tests
pnpm run check
pnpm run test tests/unit/app/focused-projection.test.ts