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{  "name": "Exact vs. prefix based matching",  "details": "Scopes are matched with base URLs that are exactly the same or subpaths under the scopes with trailing shashes",  "link": "https://wicg.github.io/import-maps/#resolve-a-module-specifier Step 8.1",  "tests": {    "Scope without trailing slash only": {      "importMap": {        "scopes": {          "/js": {            "moment": "/only-triggered-by-exact/moment",            "moment/": "/only-triggered-by-exact/moment/"          }        }      },      "importMapBaseURL": "https://example.com/app/index.html",      "tests": {        "Non-trailing-slash base URL (exact match)": {          "baseURL": "https://example.com/js",          "expectedResults": {            "moment": "https://example.com/only-triggered-by-exact/moment",            "moment/foo": "https://example.com/only-triggered-by-exact/moment/foo"          }        },        "Trailing-slash base URL (fail)": {          "baseURL": "https://example.com/js/",          "expectedResults": {            "moment": null,            "moment/foo": null          }        },        "Subpath base URL (fail)": {          "baseURL": "https://example.com/js/app.mjs",          "expectedResults": {            "moment": null,            "moment/foo": null          }        },        "Non-subpath base URL (fail)": {          "baseURL": "https://example.com/jsiscool",          "expectedResults": {            "moment": null,            "moment/foo": null          }        }      }    },    "Scope with trailing slash only": {      "importMap": {        "scopes": {          "/js/": {            "moment": "/triggered-by-any-subpath/moment",            "moment/": "/triggered-by-any-subpath/moment/"          }        }      },      "importMapBaseURL": "https://example.com/app/index.html",      "tests": {        "Non-trailing-slash base URL (fail)": {          "baseURL": "https://example.com/js",          "expectedResults": {            "moment": null,            "moment/foo": null          }        },        "Trailing-slash base URL (exact match)": {          "baseURL": "https://example.com/js/",          "expectedResults": {            "moment": "https://example.com/triggered-by-any-subpath/moment",            "moment/foo": "https://example.com/triggered-by-any-subpath/moment/foo"          }        },        "Subpath base URL (prefix match)": {          "baseURL": "https://example.com/js/app.mjs",          "expectedResults": {            "moment": "https://example.com/triggered-by-any-subpath/moment",            "moment/foo": "https://example.com/triggered-by-any-subpath/moment/foo"          }        },        "Non-subpath base URL (fail)": {          "baseURL": "https://example.com/jsiscool",          "expectedResults": {            "moment": null,            "moment/foo": null          }        }      }    },    "Scopes with and without trailing slash": {      "importMap": {        "scopes": {          "/js": {            "moment": "/only-triggered-by-exact/moment",            "moment/": "/only-triggered-by-exact/moment/"          },          "/js/": {            "moment": "/triggered-by-any-subpath/moment",            "moment/": "/triggered-by-any-subpath/moment/"          }        }      },      "importMapBaseURL": "https://example.com/app/index.html",      "tests": {        "Non-trailing-slash base URL (exact match)": {          "baseURL": "https://example.com/js",          "expectedResults": {            "moment": "https://example.com/only-triggered-by-exact/moment",            "moment/foo": "https://example.com/only-triggered-by-exact/moment/foo"          }        },        "Trailing-slash base URL (exact match)": {          "baseURL": "https://example.com/js/",          "expectedResults": {            "moment": "https://example.com/triggered-by-any-subpath/moment",            "moment/foo": "https://example.com/triggered-by-any-subpath/moment/foo"          }        },        "Subpath base URL (prefix match)": {          "baseURL": "https://example.com/js/app.mjs",          "expectedResults": {            "moment": "https://example.com/triggered-by-any-subpath/moment",            "moment/foo": "https://example.com/triggered-by-any-subpath/moment/foo"          }        },        "Non-subpath base URL (fail)": {          "baseURL": "https://example.com/jsiscool",          "expectedResults": {            "moment": null,            "moment/foo": null          }        }      }    }  }}