Error getter access

javascript.error-lookup

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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

Getter topology and access counts before/logged/task/positive-control interventions; this does not identify a particular debugger.

Find it in the repository

Collector source: core/signals/javascript/error-lookup.ts
Export: measurementModule · Signal object
Field definitions: core/definitions/javascript/error-lookup.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-lookup
Collector: javascript.error-lookup
API / surface: core/signals/javascript/error-lookup.ts
Timeout: 1000 ms
Companion signals: None
Fixture inputs: Declared requests (listed below)

Exact request inputs

[
  {
    "key": "javascript.error-lookup.ordinary-unlogged",
    "inputs": {
      "ordinary-unlogged": {
        "shape": "ordinary",
        "logged": false
      }
    },
    "controls": {
      "ordinary-unlogged": [
        {
          "relationshipId": "getter-positive-control",
          "class": "required",
          "preconditions": [
            "explicit deliberate read after all observation phases"
          ]
        }
      ]
    }
  },
  {
    "key": "javascript.error-lookup.ordinary-logged",
    "inputs": {
      "ordinary-logged": {
        "shape": "ordinary",
        "logged": true
      }
    },
    "controls": {
      "ordinary-logged": [
        {
          "relationshipId": "getter-positive-control",
          "class": "required",
          "preconditions": [
            "explicit deliberate read after all observation phases"
          ]
        }
      ]
    }
  },
  {
    "key": "javascript.error-lookup.own-getter-unlogged",
    "inputs": {
      "own-getter-unlogged": {
        "shape": "own-getter",
        "logged": false
      }
    },
    "controls": {
      "own-getter-unlogged": [
        {
          "relationshipId": "getter-positive-control",
          "class": "required",
          "preconditions": [
            "explicit deliberate read after all observation phases"
          ]
        }
      ]
    }
  },
  {
    "key": "javascript.error-lookup.own-getter-logged",
    "inputs": {
      "own-getter-logged": {
        "shape": "own-getter",
        "logged": true
      }
    },
    "controls": {
      "own-getter-logged": [
        {
          "relationshipId": "getter-positive-control",
          "class": "required",
          "preconditions": [
            "explicit deliberate read after all observation phases"
          ]
        }
      ]
    }
  },
  {
    "key": "javascript.error-lookup.inherited-getter-unlogged",
    "inputs": {
      "inherited-getter-unlogged": {
        "shape": "inherited-getter",
        "logged": false
      }
    },
    "controls": {
      "inherited-getter-unlogged": [
        {
          "relationshipId": "getter-positive-control",
          "class": "required",
          "preconditions": [
            "explicit deliberate read after all observation phases"
          ]
        }
      ]
    }
  },
  {
    "key": "javascript.error-lookup.inherited-getter-logged",
    "inputs": {
      "inherited-getter-logged": {
        "shape": "inherited-getter",
        "logged": true
      }
    },
    "controls": {
      "inherited-getter-logged": [
        {
          "relationshipId": "getter-positive-control",
          "class": "required",
          "preconditions": [
            "explicit deliberate read after all observation phases"
          ]
        }
      ]
    }
  },
  {
    "key": "javascript.error-lookup.shielded-unlogged",
    "inputs": {
      "shielded-unlogged": {
        "shape": "shielded",
        "logged": false
      }
    },
    "controls": {
      "shielded-unlogged": [
        {
          "relationshipId": "getter-positive-control",
          "class": "required",
          "preconditions": [
            "explicit deliberate read after all observation phases"
          ]
        }
      ]
    }
  },
  {
    "key": "javascript.error-lookup.shielded-logged",
    "inputs": {
      "shielded-logged": {
        "shape": "shielded",
        "logged": true
      }
    },
    "controls": {
      "shielded-logged": [
        {
          "relationshipId": "getter-positive-control",
          "class": "required",
          "preconditions": [
            "explicit deliberate read after all observation phases"
          ]
        }
      ]
    }
  }
]

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-lookup. 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-lookup"

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