URL normalization

javascript.url-normalization

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// Test source pending.

Definition

URL and anchor parsing preserve Unicode, IDN/path normalization and expected invalid-input exception outcomes. File/drive/UNC inputs retain construction, canParse and absolute anchor outcomes with explicit bases.

Find it in the repository

Collector source: core/signals/javascript/url-normalization.ts
Export: measurementModule · Signal object
Field definitions: core/definitions/javascript/url-normalization.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.url-normalization
Collector: javascript.url-normalization
API / surface: core/signals/javascript/url-normalization.ts
Timeout: 50 ms
Companion signals: None
Fixture inputs: Declared requests (listed below)

Exact request inputs

[
  {
    "key": "javascript.url-normalization.url-path",
    "inputs": {
      "url-0": {
        "url": "https://example.com/a/../b?x=é#片",
        "parser": "URL",
        "invalidControl": false
      },
      "url-9": {
        "url": "https://[::1]:443/a",
        "parser": "URL",
        "invalidControl": false
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.url-normalization.anchor-path",
    "inputs": {
      "anchor-0": {
        "url": "https://example.com/a/../b?x=é#片",
        "parser": "anchor",
        "invalidControl": false
      },
      "anchor-9": {
        "url": "https://[::1]:443/a",
        "parser": "anchor",
        "invalidControl": false
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.url-normalization.url-idn",
    "inputs": {
      "url-1": {
        "url": "https://bücher.example/",
        "parser": "URL",
        "invalidControl": false
      },
      "url-2": {
        "url": "https://faß.example/",
        "parser": "URL",
        "invalidControl": false
      },
      "url-3": {
        "url": "https://例え.テスト/",
        "parser": "URL",
        "invalidControl": false
      },
      "url-4": {
        "url": "https://مثال.إختبار/",
        "parser": "URL",
        "invalidControl": false
      },
      "url-5": {
        "url": "https://ｅｘａｍｐｌｅ.com/",
        "parser": "URL",
        "invalidControl": false
      },
      "url-6": {
        "url": "https://é.example/",
        "parser": "URL",
        "invalidControl": false
      },
      "url-7": {
        "url": "https://é.example/",
        "parser": "URL",
        "invalidControl": false
      },
      "url-8": {
        "url": "https://a。example/",
        "parser": "URL",
        "invalidControl": false
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.url-normalization.anchor-idn",
    "inputs": {
      "anchor-1": {
        "url": "https://bücher.example/",
        "parser": "anchor",
        "invalidControl": false
      },
      "anchor-2": {
        "url": "https://faß.example/",
        "parser": "anchor",
        "invalidControl": false
      },
      "anchor-3": {
        "url": "https://例え.テスト/",
        "parser": "anchor",
        "invalidControl": false
      },
      "anchor-4": {
        "url": "https://مثال.إختبار/",
        "parser": "anchor",
        "invalidControl": false
      },
      "anchor-5": {
        "url": "https://ｅｘａｍｐｌｅ.com/",
        "parser": "anchor",
        "invalidControl": false
      },
      "anchor-6": {
        "url": "https://é.example/",
        "parser": "anchor",
        "invalidControl": false
      },
      "anchor-7": {
        "url": "https://é.example/",
        "parser": "anchor",
        "invalidControl": false
      },
      "anchor-8": {
        "url": "https://a。example/",
        "parser": "anchor",
        "invalidControl": false
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.url-normalization.url-invalid",
    "inputs": {
      "url-10": {
        "url": "https://%/",
        "parser": "URL",
        "invalidControl": true
      },
      "url-11": {
        "url": "https://[invalid]/",
        "parser": "URL",
        "invalidControl": true
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.url-normalization.anchor-invalid",
    "inputs": {
      "anchor-10": {
        "url": "https://%/",
        "parser": "anchor",
        "invalidControl": true
      },
      "anchor-11": {
        "url": "https://[invalid]/",
        "parser": "anchor",
        "invalidControl": true
      }
    },
    "controls": {}
  },
  {
    "key": "javascript.url-normalization.file-urls",
    "inputs": {
      "file-drive-bar": {
        "input": "c|/foo/bar",
        "base": null
      },
      "file-unc": {
        "input": "\\\\host\\share\\f.txt",
        "base": null
      },
      "file-drive-scheme": {
        "input": "c:/foo/bar",
        "base": null
      },
      "file-file-drive-bar": {
        "input": "file:///c|/foo",
        "base": null
      },
      "file-file-drive-colon": {
        "input": "file:///c:/foo",
        "base": null
      },
      "file-file-four-slash": {
        "input": "file:////host/share/x",
        "base": null
      },
      "file-drive-backslash": {
        "input": "C:\\foo",
        "base": "file:///base/dir/"
      },
      "file-file-capital-drive": {
        "input": "file:///C:/foo",
        "base": null
      },
      "file-file-host": {
        "input": "file://host/share/x",
        "base": null
      },
      "file-file-relative-control": {
        "input": "../control",
        "base": "file:///base/dir/"
      },
      "file-https-control": {
        "input": "https://example.com/control",
        "base": null
      },
      "file-invalid-control": {
        "input": "https://[invalid]/",
        "base": null
      }
    },
    "controls": {
      "file-drive-bar": [
        "URL.canParse agrees with construction using identical input/base"
      ],
      "file-unc": [
        "URL.canParse agrees with construction using identical input/base"
      ],
      "file-drive-scheme": [
        "URL.canParse agrees with construction using identical input/base"
      ],
      "file-file-drive-bar": [
        "URL.canParse agrees with construction using identical input/base"
      ],
      "file-file-drive-colon": [
        "URL.canParse agrees with construction using identical input/base"
      ],
      "file-file-four-slash": [
        "URL.canParse agrees with construction using identical input/base"
      ],
      "file-drive-backslash": [
        "URL.canParse agrees with construction using identical input/base"
      ],
      "file-file-capital-drive": [
        "URL.canParse agrees with construction using identical input/base"
      ],
      "file-file-host": [
        "URL.canParse agrees with construction using identical input/base"
      ],
      "file-file-relative-control": [
        "URL.canParse agrees with construction using identical input/base"
      ],
      "file-https-control": [
        "URL.canParse agrees with construction using identical input/base"
      ],
      "file-invalid-control": [
        "URL.canParse agrees with construction using identical input/base"
      ]
    }
  }
]

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.url-normalization. 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/url-normalization"

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