diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index f3aadf61e0..825b7a0913 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,4 +1,4 @@
-## Contributing
+# Contributing
 
 [fork]: https://github.com/github/codeql-action/fork
 [pr]: https://github.com/github/codeql-action/compare
@@ -37,6 +37,7 @@ As well as the unit tests (see _Common tasks_ above), there are integration test
 3. Make your change, add tests, and make sure the tests still pass
 4. Push to your fork and [submit a pull request][pr]
 5. Pat yourself on the back and wait for your pull request to be reviewed and merged.
+
 If you're a GitHub staff member, you can merge your own PR once it's approved; for external contributors, GitHub staff will merge your PR once it's approved.
 
 Here are a few things you can do that will increase the likelihood of your pull request being accepted:
diff --git a/lib/fingerprints.js b/lib/fingerprints.js
index e1338e17f4..d9a1e3b27f 100644
--- a/lib/fingerprints.js
+++ b/lib/fingerprints.js
@@ -146,10 +146,10 @@ function locationUpdateCallback(result, location) {
             result.partialFingerprints.primaryLocationLineHash = hash;
         }
         else if (existingFingerprint !== hash) {
-            core.warning("Calculated fingerprint of " + hash +
-                " for file " + location.physicalLocation.artifactLocation.uri +
-                " line " + lineNumber +
-                ", but found existing inconsistent fingerprint value " + existingFingerprint);
+            core.warning('Calculated fingerprint of ' + hash +
+                ' for file ' + location.physicalLocation.artifactLocation.uri +
+                ' line ' + lineNumber +
+                ', but found existing inconsistent fingerprint value ' + existingFingerprint);
         }
     };
 }
@@ -164,14 +164,14 @@ function resolveUriToFile(location, artifacts) {
             location.index < 0 ||
             location.index >= artifacts.length ||
             typeof artifacts[location.index].location !== 'object') {
-            core.debug('Ignoring location as index "' + location.index + '" is invalid');
+            core.debug(`Ignoring location as URI "${location.index}" is invalid`);
             return undefined;
         }
         location = artifacts[location.index].location;
     }
     // Get the URI and decode
     if (typeof location.uri !== 'string') {
-        core.debug('Ignoring location as uri "' + location.uri + '" is invalid');
+        core.debug(`Ignoring location as index "${location.uri}" is invalid`);
         return undefined;
     }
     let uri = decodeURIComponent(location.uri);
@@ -181,13 +181,13 @@ function resolveUriToFile(location, artifacts) {
         uri = uri.substring(fileUriPrefix.length);
     }
     if (uri.indexOf('://') !== -1) {
-        core.debug('Ignoring location URI "' + uri + "' as the scheme is not recognised");
+        core.debug(`Ignoring location URI "${uri}" as the scheme is not recognised`);
         return undefined;
     }
     // Discard any absolute paths that aren't in the src root
     const srcRootPrefix = process.env['GITHUB_WORKSPACE'] + '/';
     if (uri.startsWith('/') && !uri.startsWith(srcRootPrefix)) {
-        core.debug('Ignoring location URI "' + uri + "' as it is outside of the src root");
+        core.debug(`Ignoring location URI "${uri}" as it is outside of the src root`);
         return undefined;
     }
     // Just assume a relative path is relative to the src root.
@@ -198,7 +198,7 @@ function resolveUriToFile(location, artifacts) {
     }
     // Check the file exists
     if (!fs.existsSync(uri)) {
-        core.debug("Unable to compute fingerprint for non-existent file: " + uri);
+        core.debug(`Unable to compute fingerprint for non-existent file: ${uri}`);
         return undefined;
     }
     return uri;
@@ -207,6 +207,7 @@ exports.resolveUriToFile = resolveUriToFile;
 // Compute fingerprints for results in the given sarif file
 // and return an updated sarif file contents.
 function addFingerprints(sarifContents) {
+    var _a, _b;
     let sarif = JSON.parse(sarifContents);
     // Gather together results for the same file and construct
     // callbacks to accept hashes for that file and update the location
@@ -217,10 +218,8 @@ function addFingerprints(sarifContents) {
         for (const result of run.results || []) {
             // Check the primary location is defined correctly and is in the src root
             const primaryLocation = (result.locations || [])[0];
-            if (!primaryLocation ||
-                !primaryLocation.physicalLocation ||
-                !primaryLocation.physicalLocation.artifactLocation) {
-                core.debug("Unable to compute fingerprint for invalid location: " + JSON.stringify(primaryLocation));
+            if (!((_b = (_a = primaryLocation) === null || _a === void 0 ? void 0 : _a.physicalLocation) === null || _b === void 0 ? void 0 : _b.artifactLocation)) {
+                core.debug(`Unable to compute fingerprint for invalid location: ${JSON.stringify(primaryLocation)}`);
                 continue;
             }
             const filepath = resolveUriToFile(primaryLocation.physicalLocation.artifactLocation, artifacts);
diff --git a/lib/fingerprints.js.map b/lib/fingerprints.js.map
index d61ab331d4..3b8064b848 100644
--- a/lib/fingerprints.js.map
+++ b/lib/fingerprints.js.map
@@ -1 +1 @@
-{"version":3,"file":"fingerprints.js","sourceRoot":"","sources":["../src/fingerprints.ts"],"names":[],"mappings":";;;;;;;;;;;;AAAA,oDAAsC;AACtC,uCAAyB;AACzB,gDAAwB;AAExB,MAAM,GAAG,GAAG,IAAI,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC;AAC/B,MAAM,KAAK,GAAG,GAAG,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC;AAChC,MAAM,EAAE,GAAG,IAAI,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC;AAC9B,MAAM,EAAE,GAAG,IAAI,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC;AAC9B,MAAM,UAAU,GAAG,GAAG,CAAC;AACvB,MAAM,GAAG,GAAG,cAAI,CAAC,OAAO,CAAC,EAAE,CAAC,CAAC,CAAC,IAAI;AAElC,8CAA8C;AAC9C,SAAS,eAAe;IACtB,IAAI,QAAQ,GAAG,cAAI,CAAC,GAAG,CAAC,CAAC,IAAI;IAC7B,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,UAAU,EAAE,CAAC,EAAE,EAAE;QACnC,QAAQ,GAAG,QAAQ,CAAC,QAAQ,CAAC,GAAG,CAAC,CAAC;KACnC;IACD,OAAO,QAAQ,CAAC;AAClB,CAAC;AAMD;;;;;;;;;;;GAWG;AACH,SAAgB,IAAI,CAAC,QAAsB,EAAE,KAAa;IACxD,iCAAiC;IACjC,MAAM,MAAM,GAAG,KAAK,CAAC,UAAU,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC;IAEzC,4DAA4D;IAC5D,sDAAsD;IACtD,wDAAwD;IACxD,MAAM,WAAW,GAAG,KAAK,CAAC,UAAU,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,CAAC;IAE/C,4DAA4D;IAC5D,IAAI,IAAI,GAAG,cAAI,CAAC,IAAI,CAAC;IACrB,IAAI,QAAQ,GAAG,eAAe,EAAE,CAAC;IAEjC,qFAAqF;IACrF,IAAI,KAAK,GAAG,CAAC,CAAC;IACd,8EAA8E;IAC9E,IAAI,UAAU,GAAG,CAAC,CAAC;IACnB,2DAA2D;IAC3D,IAAI,SAAS,GAAG,IAAI,CAAC;IACrB,oDAAoD;IACpD,IAAI,MAAM,GAAG,KAAK,CAAC;IACnB,wDAAwD;IACxD,0CAA0C;IAC1C,MAAM,UAAU,GAAoC,EAAE,CAAC;IAEvD,mEAAmE;IACnE,MAAM,UAAU,GAAG;QACjB,IAAI,SAAS,GAAG,IAAI,CAAC,UAAU,EAAE,CAAC,QAAQ,CAAC,EAAE,CAAC,CAAC;QAC/C,IAAI,CAAC,UAAU,CAAC,SAAS,CAAC,EAAE;YAC1B,UAAU,CAAC,SAAS,CAAC,GAAG,CAAC,CAAC;SAC3B;QACD,UAAU,CAAC,SAAS,CAAC,EAAE,CAAC;QACxB,QAAQ,CAAC,WAAW,CAAC,KAAK,CAAC,EAAE,SAAS,GAAG,GAAG,GAAG,UAAU,CAAC,SAAS,CAAC,CAAC,CAAC;QACtE,WAAW,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC,CAAC;IAC1B,CAAC,CAAC;IAEF,sEAAsE;IACtE,MAAM,UAAU,GAAG,UAAU,OAAe;QAC1C,MAAM,KAAK,GAAG,MAAM,CAAC,KAAK,CAAC,CAAC;QAC5B,MAAM,CAAC,KAAK,CAAC,GAAG,OAAO,CAAC;QACxB,IAAI,GAAG,GAAG,CAAC,QAAQ,CAAC,IAAI,CAAC;aACtB,GAAG,CAAC,cAAI,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC;aAC1B,QAAQ,CAAC,QAAQ,CAAC,QAAQ,CAAC,cAAI,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC;QAEpD,KAAK,GAAG,CAAC,KAAK,GAAG,CAAC,CAAC,GAAG,UAAU,CAAC;IACnC,CAAC,CAAC;IAEF,gFAAgF;IAChF,2EAA2E;IAC3E,8EAA8E;IAC9E,wEAAwE;IACxE,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,GAAG,GAAG,KAAK,CAAC,MAAM,EAAE,CAAC,IAAI,GAAG,EAAE,CAAC,EAAE,EAAE;QACjD,IAAI,OAAO,GAAG,CAAC,KAAK,GAAG,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,KAAK,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC;QACtD,+EAA+E;QAC/E,IAAI,OAAO,KAAK,KAAK,IAAI,OAAO,KAAK,GAAG,IAAI,CAAC,MAAM,IAAI,OAAO,KAAK,EAAE,CAAC,EAAE;YACtE,MAAM,GAAG,KAAK,CAAC;YACf,SAAS;SACV;QACD,qBAAqB;QACrB,IAAI,OAAO,KAAK,EAAE,EAAE;YAClB,OAAO,GAAG,EAAE,CAAC;YACb,MAAM,GAAG,IAAI,CAAC;SACf;aAAM;YACL,MAAM,GAAG,KAAK,CAAC;SAChB;QACD,IAAI,WAAW,CAAC,KAAK,CAAC,KAAK,CAAC,CAAC,EAAE;YAC7B,UAAU,EAAE,CAAC;SACd;QACD,IAAI,SAAS,EAAE;YACb,SAAS,GAAG,KAAK,CAAC;YAClB,UAAU,EAAE,CAAC;YACb,WAAW,CAAC,KAAK,CAAC,GAAG,UAAU,CAAC;SACjC;QACD,IAAI,OAAO,KAAK,EAAE,EAAE;YAClB,SAAS,GAAG,IAAI,CAAC;SAClB;QACD,UAAU,CAAC,OAAO,CAAC,CAAC;KACrB;IAED,4BAA4B;IAC5B,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,UAAU,EAAE,CAAC,EAAE,EAAE;QACnC,IAAI,WAAW,CAAC,KAAK,CAAC,KAAK,CAAC,CAAC,EAAE;YAC7B,UAAU,EAAE,CAAC;SACd;QACD,UAAU,CAAC,CAAC,CAAC,CAAC;KACf;AACH,CAAC;AAtFD,oBAsFC;AAED,2EAA2E;AAC3E,uFAAuF;AACvF,SAAS,sBAAsB,CAAC,MAAW,EAAE,QAAa;;IACxD,IAAI,iBAAiB,eAAG,QAAQ,CAAC,gBAAgB,0CAAE,MAAM,0CAAE,SAAS,CAAC;IACrE,IAAI,iBAAiB,KAAK,SAAS,EAAE;QACnC,0EAA0E;QAC1E,8EAA8E;QAC9E,gDAAgD;QAChD,iBAAiB,GAAG,CAAC,CAAC;KACvB;IACD,OAAO,UAAU,UAAkB,EAAE,IAAY;QAC/C,gDAAgD;QAChD,IAAI,iBAAiB,KAAK,UAAU,EAAE;YACpC,OAAO;SACR;QAED,IAAI,CAAC,MAAM,CAAC,mBAAmB,EAAE;YAC/B,MAAM,CAAC,mBAAmB,GAAG,EAAE,CAAC;SACjC;QACD,MAAM,mBAAmB,GAAG,MAAM,CAAC,mBAAmB,CAAC,uBAAuB,CAAC;QAE/E,0DAA0D;QAC1D,2CAA2C;QAC3C,IAAI,CAAC,mBAAmB,EAAE;YACxB,MAAM,CAAC,mBAAmB,CAAC,uBAAuB,GAAG,IAAI,CAAC;SAC3D;aAAM,IAAI,mBAAmB,KAAK,IAAI,EAAE;YACvC,IAAI,CAAC,OAAO,CAAC,4BAA4B,GAAG,IAAI;gBAC9C,YAAY,GAAG,QAAQ,CAAC,gBAAgB,CAAC,gBAAgB,CAAC,GAAG;gBAC7D,QAAQ,GAAG,UAAU;gBACrB,sDAAsD,GAAG,mBAAmB,CAAC,CAAC;SACjF;IACH,CAAC,CAAC;AACJ,CAAC;AAED,iEAAiE;AACjE,qCAAqC;AACrC,gEAAgE;AAChE,6CAA6C;AAC7C,SAAgB,gBAAgB,CAAC,QAAa,EAAE,SAAgB;IAC9D,sCAAsC;IACtC,IAAI,CAAC,QAAQ,CAAC,GAAG,IAAI,QAAQ,CAAC,KAAK,KAAK,SAAS,EAAE;QACjD,IAAI,OAAO,QAAQ,CAAC,KAAK,KAAK,QAAQ;YACpC,QAAQ,CAAC,KAAK,GAAG,CAAC;YAClB,QAAQ,CAAC,KAAK,IAAI,SAAS,CAAC,MAAM;YAClC,OAAO,SAAS,CAAC,QAAQ,CAAC,KAAK,CAAC,CAAC,QAAQ,KAAK,QAAQ,EAAE;YACxD,IAAI,CAAC,KAAK,CAAC,8BAA8B,GAAG,QAAQ,CAAC,KAAK,GAAG,cAAc,CAAC,CAAC;YAC7E,OAAO,SAAS,CAAC;SAClB;QACD,QAAQ,GAAG,SAAS,CAAC,QAAQ,CAAC,KAAK,CAAC,CAAC,QAAQ,CAAC;KAC/C;IAED,yBAAyB;IACzB,IAAI,OAAO,QAAQ,CAAC,GAAG,KAAK,QAAQ,EAAE;QACpC,IAAI,CAAC,KAAK,CAAC,4BAA4B,GAAG,QAAQ,CAAC,GAAG,GAAG,cAAc,CAAC,CAAC;QACzE,OAAO,SAAS,CAAC;KAClB;IACD,IAAI,GAAG,GAAG,kBAAkB,CAAC,QAAQ,CAAC,GAAG,CAAC,CAAC;IAE3C,iEAAiE;IACjE,MAAM,aAAa,GAAG,SAAS,CAAC;IAChC,IAAI,GAAG,CAAC,UAAU,CAAC,aAAa,CAAC,EAAE;QACjC,GAAG,GAAG,GAAG,CAAC,SAAS,CAAC,aAAa,CAAC,MAAM,CAAC,CAAC;KAC3C;IACD,IAAI,GAAG,CAAC,OAAO,CAAC,KAAK,CAAC,KAAK,CAAC,CAAC,EAAE;QAC7B,IAAI,CAAC,KAAK,CAAC,yBAAyB,GAAG,GAAG,GAAG,mCAAmC,CAAC,CAAC;QAClF,OAAO,SAAS,CAAC;KAClB;IAED,yDAAyD;IACzD,MAAM,aAAa,GAAG,OAAO,CAAC,GAAG,CAAC,kBAA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\ No newline at end of file
+{"version":3,"file":"fingerprints.js","sourceRoot":"","sources":["../src/fingerprints.ts"],"names":[],"mappings":";;;;;;;;;;;;AAAA,oDAAsC;AACtC,uCAAyB;AACzB,gDAAwB;AAExB,MAAM,GAAG,GAAG,IAAI,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC;AAC/B,MAAM,KAAK,GAAG,GAAG,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC;AAChC,MAAM,EAAE,GAAG,IAAI,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC;AAC9B,MAAM,EAAE,GAAG,IAAI,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC;AAC9B,MAAM,UAAU,GAAG,GAAG,CAAC;AACvB,MAAM,GAAG,GAAG,cAAI,CAAC,OAAO,CAAC,EAAE,CAAC,CAAC,CAAC,IAAI;AAElC,8CAA8C;AAC9C,SAAS,eAAe;IACtB,IAAI,QAAQ,GAAG,cAAI,CAAC,GAAG,CAAC,CAAC,IAAI;IAC7B,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,UAAU,EAAE,CAAC,EAAE,EAAE;QACnC,QAAQ,GAAG,QAAQ,CAAC,QAAQ,CAAC,GAAG,CAAC,CAAC;KACnC;IACD,OAAO,QAAQ,CAAC;AAClB,CAAC;AAMD;;;;;;;;;;;GAWG;AACH,SAAgB,IAAI,CAAC,QAAsB,EAAE,KAAa;IACxD,iCAAiC;IACjC,MAAM,MAAM,GAAG,KAAK,CAAC,UAAU,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC;IAEzC,4DAA4D;IAC5D,sDAAsD;IACtD,wDAAwD;IACxD,MAAM,WAAW,GAAG,KAAK,CAAC,UAAU,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,CAAC;IAE/C,4DAA4D;IAC5D,IAAI,IAAI,GAAG,cAAI,CAAC,IAAI,CAAC;IACrB,IAAI,QAAQ,GAAG,eAAe,EAAE,CAAC;IAEjC,qFAAqF;IACrF,IAAI,KAAK,GAAG,CAAC,CAAC;IACd,8EAA8E;IAC9E,IAAI,UAAU,GAAG,CAAC,CAAC;IACnB,2DAA2D;IAC3D,IAAI,SAAS,GAAG,IAAI,CAAC;IACrB,oDAAoD;IACpD,IAAI,MAAM,GAAG,KAAK,CAAC;IACnB,wDAAwD;IACxD,0CAA0C;IAC1C,MAAM,UAAU,GAAoC,EAAE,CAAC;IAEvD,mEAAmE;IACnE,MAAM,UAAU,GAAG;QACjB,IAAI,SAAS,GAAG,IAAI,CAAC,UAAU,EAAE,CAAC,QAAQ,CAAC,EAAE,CAAC,CAAC;QAC/C,IAAI,CAAC,UAAU,CAAC,SAAS,CAAC,EAAE;YAC1B,UAAU,CAAC,SAAS,CAAC,GAAG,CAAC,CAAC;SAC3B;QACD,UAAU,CAAC,SAAS,CAAC,EAAE,CAAC;QACxB,QAAQ,CAAC,WAAW,CAAC,KAAK,CAAC,EAAE,SAAS,GAAG,GAAG,GAAG,UAAU,CAAC,SAAS,CAAC,CAAC,CAAC;QACtE,WAAW,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC,CAAC;IAC1B,CAAC,CAAC;IAEF,sEAAsE;IACtE,MAAM,UAAU,GAAG,UAAU,OAAe;QAC1C,MAAM,KAAK,GAAG,MAAM,CAAC,KAAK,CAAC,CAAC;QAC5B,MAAM,CAAC,KAAK,CAAC,GAAG,OAAO,CAAC;QACxB,IAAI,GAAG,GAAG,CAAC,QAAQ,CAAC,IAAI,CAAC;aACtB,GAAG,CAAC,cAAI,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC;aAC1B,QAAQ,CAAC,QAAQ,CAAC,QAAQ,CAAC,cAAI,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC;QAEpD,KAAK,GAAG,CAAC,KAAK,GAAG,CAAC,CAAC,GAAG,UAAU,CAAC;IACnC,CAAC,CAAC;IAEF,gFAAgF;IAChF,2EAA2E;IAC3E,8EAA8E;IAC9E,wEAAwE;IACxE,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,GAAG,GAAG,KAAK,CAAC,MAAM,EAAE,CAAC,IAAI,GAAG,EAAE,CAAC,EAAE,EAAE;QACjD,IAAI,OAAO,GAAG,CAAC,KAAK,GAAG,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,KAAK,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC;QACtD,+EAA+E;QAC/E,IAAI,OAAO,KAAK,KAAK,IAAI,OAAO,KAAK,GAAG,IAAI,CAAC,MAAM,IAAI,OAAO,KAAK,EAAE,CAAC,EAAE;YACtE,MAAM,GAAG,KAAK,CAAC;YACf,SAAS;SACV;QACD,qBAAqB;QACrB,IAAI,OAAO,KAAK,EAAE,EAAE;YAClB,OAAO,GAAG,EAAE,CAAC;YACb,MAAM,GAAG,IAAI,CAAC;SACf;aAAM;YACL,MAAM,GAAG,KAAK,CAAC;SAChB;QACD,IAAI,WAAW,CAAC,KAAK,CAAC,KAAK,CAAC,CAAC,EAAE;YAC7B,UAAU,EAAE,CAAC;SACd;QACD,IAAI,SAAS,EAAE;YACb,SAAS,GAAG,KAAK,CAAC;YAClB,UAAU,EAAE,CAAC;YACb,WAAW,CAAC,KAAK,CAAC,GAAG,UAAU,CAAC;SACjC;QACD,IAAI,OAAO,KAAK,EAAE,EAAE;YAClB,SAAS,GAAG,IAAI,CAAC;SAClB;QACD,UAAU,CAAC,OAAO,CAAC,CAAC;KACrB;IAED,4BAA4B;IAC5B,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,UAAU,EAAE,CAAC,EAAE,EAAE;QACnC,IAAI,WAAW,CAAC,KAAK,CAAC,KAAK,CAAC,CAAC,EAAE;YAC7B,UAAU,EAAE,CAAC;SACd;QACD,UAAU,CAAC,CAAC,CAAC,CAAC;KACf;AACH,CAAC;AAtFD,oBAsFC;AAED,2EAA2E;AAC3E,uFAAuF;AACvF,SAAS,sBAAsB,CAAC,MAAW,EAAE,QAAa;;IACxD,IAAI,iBAAiB,eAAG,QAAQ,CAAC,gBAAgB,0CAAE,MAAM,0CAAE,SAAS,CAAC;IACrE,IAAI,iBAAiB,KAAK,SAAS,EAAE;QACnC,0EAA0E;QAC1E,8EAA8E;QAC9E,gDAAgD;QAChD,iBAAiB,GAAG,CAAC,CAAC;KACvB;IACD,OAAO,UAAU,UAAkB,EAAE,IAAY;QAC/C,gDAAgD;QAChD,IAAI,iBAAiB,KAAK,UAAU,EAAE;YACpC,OAAO;SACR;QAED,IAAI,CAAC,MAAM,CAAC,mBAAmB,EAAE;YAC/B,MAAM,CAAC,mBAAmB,GAAG,EAAE,CAAC;SACjC;QACD,MAAM,mBAAmB,GAAG,MAAM,CAAC,mBAAmB,CAAC,uBAAuB,CAAC;QAE/E,0DAA0D;QAC1D,2CAA2C;QAC3C,IAAI,CAAC,mBAAmB,EAAE;YACxB,MAAM,CAAC,mBAAmB,CAAC,uBAAuB,GAAG,IAAI,CAAC;SAC3D;aAAM,IAAI,mBAAmB,KAAK,IAAI,EAAE;YACvC,IAAI,CAAC,OAAO,CAAC,4BAA4B,GAAG,IAAI;gBAC9C,YAAY,GAAG,QAAQ,CAAC,gBAAgB,CAAC,gBAAgB,CAAC,GAAG;gBAC7D,QAAQ,GAAG,UAAU;gBACrB,sDAAsD,GAAG,mBAAmB,CAAC,CAAC;SACjF;IACH,CAAC,CAAC;AACJ,CAAC;AAED,iEAAiE;AACjE,qCAAqC;AACrC,gEAAgE;AAChE,6CAA6C;AAC7C,SAAgB,gBAAgB,CAAC,QAAa,EAAE,SAAgB;IAC9D,sCAAsC;IACtC,IAAI,CAAC,QAAQ,CAAC,GAAG,IAAI,QAAQ,CAAC,KAAK,KAAK,SAAS,EAAE;QACjD,IAAI,OAAO,QAAQ,CAAC,KAAK,KAAK,QAAQ;YACpC,QAAQ,CAAC,KAAK,GAAG,CAAC;YAClB,QAAQ,CAAC,KAAK,IAAI,SAAS,CAAC,MAAM;YAClC,OAAO,SAAS,CAAC,QAAQ,CAAC,KAAK,CAAC,CAAC,QAAQ,KAAK,QAAQ,EAAE;YACxD,IAAI,CAAC,KAAK,CAAC,6BAA6B,QAAQ,CAAC,KAAK,cAAc,CAAC,CAAC;YACtE,OAAO,SAAS,CAAC;SAClB;QACD,QAAQ,GAAG,SAAS,CAAC,QAAQ,CAAC,KAAK,CAAC,CAAC,QAAQ,CAAC;KAC/C;IAED,yBAAyB;IACzB,IAAI,OAAO,QAAQ,CAAC,GAAG,KAAK,QAAQ,EAAE;QACpC,IAAI,CAAC,KAAK,CAAC,+BAA+B,QAAQ,CAAC,GAAG,cAAc,CAAC,CAAC;QACtE,OAAO,SAAS,CAAC;KAClB;IACD,IAAI,GAAG,GAAG,kBAAkB,CAAC,QAAQ,CAAC,GAAG,CAAC,CAAC;IAE3C,iEAAiE;IACjE,MAAM,aAAa,GAAG,SAAS,CAAC;IAChC,IAAI,GAAG,CAAC,UAAU,CAAC,aAAa,CAAC,EAAE;QACjC,GAAG,GAAG,GAAG,CAAC,SAAS,CAAC,aAAa,CAAC,MAAM,CAAC,CAAC;KAC3C;IACD,IAAI,GAAG,CAAC,OAAO,CAAC,KAAK,CAAC,KAAK,CAAC,CAAC,EAAE;QAC7B,IAAI,CAAC,KAAK,CAAC,0BAA0B,GAAG,mCAAmC,CAAC,CAAC;QAC7E,OAAO,SAAS,CAAC;KAClB;IAED,yDAAyD;IACzD,MAAM,aAAa,GAAG,OAAO,CAAC,GAAG,CAAC,kBAAkB,CAAC,GAAG,GAAG,CAAC;IAC5D,I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\ No newline at end of file
diff --git a/src/fingerprints.ts b/src/fingerprints.ts
index b75f11e933..83ab602e13 100644
--- a/src/fingerprints.ts
+++ b/src/fingerprints.ts
@@ -148,10 +148,10 @@ function locationUpdateCallback(result: any, location: any): hashCallback {
     if (!existingFingerprint) {
       result.partialFingerprints.primaryLocationLineHash = hash;
     } else if (existingFingerprint !== hash) {
-      core.warning("Calculated fingerprint of " + hash +
-        " for file " + location.physicalLocation.artifactLocation.uri +
-        " line " + lineNumber +
-        ", but found existing inconsistent fingerprint value " + existingFingerprint);
+      core.warning('Calculated fingerprint of ' + hash +
+        ' for file ' + location.physicalLocation.artifactLocation.uri +
+        ' line ' + lineNumber +
+        ', but found existing inconsistent fingerprint value ' + existingFingerprint);
     }
   };
 }
@@ -167,7 +167,7 @@ export function resolveUriToFile(location: any, artifacts: any[]): string | unde
       location.index < 0 ||
       location.index >= artifacts.length ||
       typeof artifacts[location.index].location !== 'object') {
-      core.debug('Ignoring location as index "' + location.index + '" is invalid');
+      core.debug(`Ignoring location as URI "${location.index}" is invalid`);
       return undefined;
     }
     location = artifacts[location.index].location;
@@ -175,7 +175,7 @@ export function resolveUriToFile(location: any, artifacts: any[]): string | unde
 
   // Get the URI and decode
   if (typeof location.uri !== 'string') {
-    core.debug('Ignoring location as uri "' + location.uri + '" is invalid');
+    core.debug(`Ignoring location as index "${location.uri}" is invalid`);
     return undefined;
   }
   let uri = decodeURIComponent(location.uri);
@@ -186,14 +186,14 @@ export function resolveUriToFile(location: any, artifacts: any[]): string | unde
     uri = uri.substring(fileUriPrefix.length);
   }
   if (uri.indexOf('://') !== -1) {
-    core.debug('Ignoring location URI "' + uri + "' as the scheme is not recognised");
+    core.debug(`Ignoring location URI "${uri}" as the scheme is not recognised`);
     return undefined;
   }
 
   // Discard any absolute paths that aren't in the src root
   const srcRootPrefix = process.env['GITHUB_WORKSPACE'] + '/';
   if (uri.startsWith('/') && !uri.startsWith(srcRootPrefix)) {
-    core.debug('Ignoring location URI "' + uri + "' as it is outside of the src root");
+    core.debug(`Ignoring location URI "${uri}" as it is outside of the src root`);
     return undefined;
   }
 
@@ -206,7 +206,7 @@ export function resolveUriToFile(location: any, artifacts: any[]): string | unde
 
   // Check the file exists
   if (!fs.existsSync(uri)) {
-    core.debug("Unable to compute fingerprint for non-existent file: " + uri);
+    core.debug(`Unable to compute fingerprint for non-existent file: ${uri}`);
     return undefined;
   }
 
@@ -228,10 +228,8 @@ export function addFingerprints(sarifContents: string): string {
     for (const result of run.results || []) {
       // Check the primary location is defined correctly and is in the src root
       const primaryLocation = (result.locations || [])[0];
-      if (!primaryLocation ||
-        !primaryLocation.physicalLocation ||
-        !primaryLocation.physicalLocation.artifactLocation) {
-        core.debug("Unable to compute fingerprint for invalid location: " + JSON.stringify(primaryLocation));
+      if (!primaryLocation?.physicalLocation?.artifactLocation) {
+        core.debug(`Unable to compute fingerprint for invalid location: ${JSON.stringify(primaryLocation)}`);
         continue;
       }