dev: Remove the unused PNG chart and --site-url from perf-chart

cspell-dict.txt

@@ -54,7 +54,6 @@ résumé
 rolldown
 rspack
 serializers
-skia-canvas
 smol-toml
 specberus
 Subdeps

pnpm-workspace.yaml

@@ -52,7 +52,6 @@ allowBuilds:
   '@swc/core': true
   core-js: false
   esbuild: true
-  skia-canvas: false
   unrs-resolver: true
 
 # cspell:dictionaries npm

tools/perf-chart/package.json

@@ -23,10 +23,6 @@
     "src",
     "bin.ts"
   ],
-  "devDependencies": {
-    "chart.js": "^4.6.1",
-    "skia-canvas": "^4.0.0"
-  },
   "dependencies": {
     "@streetsidesoftware/unindent": "^1.0.1",
     "commander": "^15.0.0",

tools/perf-chart/src/app.ts

@@ -6,8 +6,6 @@ program
     .argument('<file>', 'path to perf data file')
     .description('Generate a min/max chart of the perf data')
     .option('-o, --output <path>', 'Path to the output the Markdown file.')
-    .option('-p, --png <path>', 'Path to PNG file to generate.')
-    .option('-u, --site-url <url>', 'The url to prefix png path when adding it to the markdown.')
     .option('--daily-csv <path>', 'Path out output the daily csv')
     .option(
         '-d, --days <number>',

tools/perf-chart/src/options.ts

@@ -1,13 +1,7 @@
 export interface Options {
-    /** Path to PNG file to generate. */
-    png?: string;
-
     /** Path to the output the Markdown file. */
     output?: string;
 
-    /** The url to prefix png path when adding it to the markdown */
-    siteUrl?: string;
-
     /** The number of days in the past to plot. */
     days: number;
 

tools/perf-chart/src/perfChart.ts

@@ -30,8 +30,6 @@ export async function perfReport(csvFile: string | URL, options: Options): Promi
     const recordsGraph = limitDataToDaysAgo(rawRecords, days * 3);
 
     await outputDailyCsv(recordsGraph, options);
-
-    await generatePng(recordsGraph, options);
 }
 
 function limitDataToDaysAgo(data: CsvRecordsRO, days: number): CsvRecord[] {
@@ -62,17 +60,7 @@ async function outputDailyCsv(records: CsvRecord[], options: Options): Promise<v
     await outputFile(options.dailyCsv, dailyCsv);
 }
 
-async function generatePng(records: CsvRecord[], options: Options): Promise<void> {
-    if (!options.png) return;
-
-    // Delay the import until needed - not actively used.
-    const { plotPng } = await import('./experimental/plotPng.ts');
-
-    const buffer = await plotPng(records, options);
-    await outputFile(options.png, buffer);
-}
-
-async function outputFile(filePath: string, content: string | Buffer): Promise<void> {
+async function outputFile(filePath: string, content: string): Promise<void> {
     await fs.mkdir(Path.dirname(filePath), { recursive: true });
     await fs.writeFile(filePath, content);
 }

tools/perf-chart/tsconfig.json

@@ -4,8 +4,6 @@
         "noEmit": true,
         "module": "NodeNext",
         "moduleResolution": "NodeNext",
-        // `skia-canvas` ships type declarations with errors.
-        "skipLibCheck": true,
         "allowImportingTsExtensions": true,
         "types": ["node"],
         "outDir": "dist"