feat(cli): additive collect mode

Author: patrickhulce

packages/cli/src/collect/collect.js

@@ -14,7 +14,8 @@ const {saveLHR, clearSavedLHRs} = require('@lhci/utils/src/saved-reports.js');
 function buildCommand(yargs) {
   return yargs.options({
     method: {type: 'string', choices: ['node', 'docker'], default: 'node'},
-    headful: {type: 'boolean', description: 'When enabled runs with a headful Chrome'},
+    headful: {type: 'boolean', description: 'Run with a headful Chrome'},
+    additive: {type: 'boolean', description: 'Skips clearing of previous collect data'},
     url: {description: 'The URL to run Lighthouse on.', required: true},
     settings: {description: 'The Lighthouse settings and flags to use when collecting'},
     numberOfRuns: {
@@ -34,7 +35,7 @@ async function runCommand(options) {
   if (options.method !== 'node') throw new Error(`Method "${options.method}" not yet supported`);
   const runner = new LighthouseRunner();
 
-  clearSavedLHRs();
+  if (!options.additive) clearSavedLHRs();
   process.stdout.write(`Running Lighthouse ${options.numberOfRuns} time(s)\n`);
 
   for (let i = 0; i < options.numberOfRuns; i++) {

packages/cli/src/upload/upload.js

@@ -28,7 +28,7 @@ function buildCommand(yargs) {
       description: 'sed-like replacement patterns to mask non-deterministic URL substrings.',
       default: [
         's#:[0-9]{3,5}/#:PORT/#', // replace ports
-        's/[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/UUID/i', // replace UUIDs
+        's/[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/UUID/ig', // replace UUIDs
       ],
     },
   });

types/collect.d.ts

@@ -43,6 +43,7 @@ declare global {
         method: 'node' | 'docker';
         numberOfRuns: number;
         headful: boolean;
+        additive: boolean;
         settings?: LighthouseSettings;
       }
     }