Add an option --no-summary to not print the summary at the end of the report

bin/cli.js

@@ -14,8 +14,6 @@ import logging from '../src/lib/logger.js';
 import SVGLint from '../src/svglint.js';
 // @ts-ignore
 
-const gui = new GUI();
-
 const logger = logging('');
 
 const EXIT_CODES = Object.freeze({
@@ -46,26 +44,30 @@ const cli = meow(
     `
         ${chalk.yellow('Usage:')}
             ${chalk.bold('svglint')} [--config config.js] [--ci] [--debug] ${chalk.bold('file1.svg file2.svg')}
-            ${chalk.bold('svglint')} --stdin [--config config.js] [--ci] [--debug] < ${chalk.bold('file1.svg')}
+            ${chalk.bold('svglint')} --stdin [--config config.js] [--summary] [--ci] [--debug] < ${chalk.bold('file1.svg')}
 
         ${chalk.yellow('Options:')}
             ${chalk.bold('--help')}        Display this help text
             ${chalk.bold('--version')}     Show the current SVGLint version
             ${chalk.bold('--config, -c')}  Specify the config file. Defaults to '.svglintrc.js'
             ${chalk.bold('--debug,  -d')}  Show debug logs
             ${chalk.bold('--ci, -C')}      Only output to stdout once, when linting is finished
-            ${chalk.bold('--stdin')}       Read an SVG from stdin`,
+            ${chalk.bold('--stdin')}       Read an SVG from stdin
+            ${chalk.bold('--summary')}     Print the summary at the end`,
     {
         importMeta: import.meta,
         flags: {
             config: {type: 'string', alias: 'c'},
             debug: {type: 'boolean', alias: 'd'},
             ci: {type: 'boolean', alias: 'C'},
             stdin: {type: 'boolean'},
+            summary: {type: 'boolean', default: true},
         },
     },
 );
 
+const gui = new GUI({printSummary: cli.flags.summary});
+
 process.on('exit', () => {
     gui.finish();
 });

src/cli/gui.js

@@ -15,7 +15,7 @@ const logHistory = Logger.cliConsole;
 /** @typedef {import("../lib/linting.js")} Linting */
 
 export default class GUI {
-    constructor() {
+    constructor({printSummary = true} = {}) {
         // Subscribe to global logs
         Logger.setCLI(true);
         logHistory.on('msg', () => this.update());
@@ -30,7 +30,7 @@ export default class GUI {
             summary: new Separator('Summary'),
         };
         this.$log = new Log(logHistory);
-        this.$summary = new Summary();
+        this.$summary = printSummary ? new Summary() : null;
         /** @type {LintingDisplay[]} */
         this.$lintings = [];
     }
@@ -40,8 +40,11 @@ export default class GUI {
      */
     finish() {
         if (this.ci) {
-            // eslint-disable-next-line no-console
-            console.log(this.render());
+            const output = this.render();
+            if (output) {
+                // eslint-disable-next-line no-console
+                console.log(output);
+            }
         } else {
             this.update(true);
         }
@@ -104,7 +107,10 @@ export default class GUI {
             }
         }
 
-        outp.push('', this.$titles.summary, this.$summary);
+        if (this.$summary) {
+            outp.push('', this.$titles.summary, this.$summary);
+        }
+
         if (outp[0] === '') {
             outp.shift();
         }
@@ -127,7 +133,10 @@ export default class GUI {
      */
     addLinting(linting) {
         this.$lintings.push(new LintingDisplay(linting));
-        this.$summary.addLinting(linting);
+        if (this.$summary) {
+            this.$summary.addLinting(linting);
+        }
+
         linting.on('rule', () => this.update());
         linting.on('done', () => this.update());
     }

test/cli.spec.js

@@ -144,3 +144,21 @@ describe('Configuration files', function () {
         expect(stdout).not.toMatch('Failed to lint');
     });
 });
+
+describe('--no-summary', function () {
+    it('should not print summary with valid SVG', async function () {
+        const {stdout} = await execCli([VALID_SVG, '--no-summary']);
+        expect(stdout).not.toMatch('Summary');
+    });
+
+    it('should print the summary not passing --no-summary', async function () {
+        const {stdout} = await execCli([VALID_SVG]);
+        expect(stdout).toMatch('Summary');
+    });
+
+    it('should print errors with invalid SVG', async function () {
+        const {stdout} = await execCli([INVALID_SVG, '--no-summary']);
+        expect(stdout).toMatch('Files');
+        expect(stdout).not.toMatch('Summary');
+    });
+});