Merge pull request #4552 from Yokozuna59/convert-cypress-util-to-ts

convert `cypress/helpers/util.js` to ts

.github/workflows/e2e.yml

@@ -45,6 +45,7 @@ jobs:
         env:
           CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
           VITEST_COVERAGE: true
+          CYPRESS_COMMIT: ${{ github.sha }}
       - name: Upload Coverage to Codecov
         uses: codecov/codecov-action@v3
         # Run step only pushes to develop and pull_requests

cypress/helpers/util.js

@@ -1,93 +0,0 @@
-const utf8ToB64 = (str) => {
-  return window.btoa(unescape(encodeURIComponent(str)));
-};
-
-const batchId = 'mermaid-batch' + new Date().getTime();
-
-export const mermaidUrl = (graphStr, options, api) => {
-  const obj = {
-    code: graphStr,
-    mermaid: options,
-  };
-  const objStr = JSON.stringify(obj);
-  let url = 'http://localhost:9000/e2e.html?graph=' + utf8ToB64(objStr);
-  if (api) {
-    url = 'http://localhost:9000/xss.html?graph=' + graphStr;
-  }
-
-  if (options.listUrl) {
-    cy.log(options.listId, ' ', url);
-  }
-
-  return url;
-};
-
-export const imgSnapshotTest = (graphStr, _options = {}, api = false, validation = undefined) => {
-  cy.log(_options);
-  const options = Object.assign(_options);
-  if (!options.fontFamily) {
-    options.fontFamily = 'courier';
-  }
-  if (!options.sequence) {
-    options.sequence = {};
-  }
-  if (!options.sequence || (options.sequence && !options.sequence.actorFontFamily)) {
-    options.sequence.actorFontFamily = 'courier';
-  }
-  if (options.sequence && !options.sequence.noteFontFamily) {
-    options.sequence.noteFontFamily = 'courier';
-  }
-  options.sequence.actorFontFamily = 'courier';
-  options.sequence.noteFontFamily = 'courier';
-  options.sequence.messageFontFamily = 'courier';
-  if (options.sequence && !options.sequence.actorFontFamily) {
-    options.sequence.actorFontFamily = 'courier';
-  }
-  if (!options.fontSize) {
-    options.fontSize = '16px';
-  }
-  const url = mermaidUrl(graphStr, options, api);
-  openURLAndVerifyRendering(url, options, validation);
-};
-
-export const urlSnapshotTest = (url, _options, api = false, validation) => {
-  const options = Object.assign(_options);
-  openURLAndVerifyRendering(url, options, validation);
-};
-
-export const renderGraph = (graphStr, options, api) => {
-  const url = mermaidUrl(graphStr, options, api);
-  openURLAndVerifyRendering(url, options);
-};
-
-export const openURLAndVerifyRendering = (url, options, validation = undefined) => {
-  const useAppli = Cypress.env('useAppli');
-  const name = (options.name || cy.state('runnable').fullTitle()).replace(/\s+/g, '-');
-
-  if (useAppli) {
-    cy.log('Opening eyes ' + Cypress.spec.name + ' --- ' + name);
-    cy.eyesOpen({
-      appName: 'Mermaid',
-      testName: name,
-      batchName: Cypress.spec.name,
-      batchId: batchId + Cypress.spec.name,
-    });
-  }
-
-  cy.visit(url);
-  cy.window().should('have.property', 'rendered', true);
-  cy.get('svg').should('be.visible');
-
-  if (validation) {
-    cy.get('svg').should(validation);
-  }
-
-  if (useAppli) {
-    cy.log('Check eyes' + Cypress.spec.name);
-    cy.eyesCheckWindow('Click!');
-    cy.log('Closing eyes' + Cypress.spec.name);
-    cy.eyesClose();
-  } else {
-    cy.matchImageSnapshot(name);
-  }
-};

cypress/helpers/util.ts

@@ -0,0 +1,132 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+import { Buffer } from 'buffer';
+import type { MermaidConfig } from '../../packages/mermaid/src/config.type.js';
+
+interface CypressConfig {
+  listUrl?: boolean;
+  listId?: string;
+  name?: string;
+}
+type CypressMermaidConfig = MermaidConfig & CypressConfig;
+
+interface CodeObject {
+  code: string;
+  mermaid: CypressMermaidConfig;
+}
+
+const utf8ToB64 = (str: string): string => {
+  return Buffer.from(decodeURIComponent(encodeURIComponent(str))).toString('base64');
+};
+
+const batchId: string = 'mermaid-batch-' + Cypress.env('CYPRESS_COMMIT') || Date.now().toString();
+
+export const mermaidUrl = (
+  graphStr: string,
+  options: CypressMermaidConfig,
+  api: boolean
+): string => {
+  const codeObject: CodeObject = {
+    code: graphStr,
+    mermaid: options,
+  };
+  const objStr: string = JSON.stringify(codeObject);
+  let url = `http://localhost:9000/e2e.html?graph=${utf8ToB64(objStr)}`;
+  if (api) {
+    url = `http://localhost:9000/xss.html?graph=${graphStr}`;
+  }
+
+  if (options.listUrl) {
+    cy.log(options.listId, ' ', url);
+  }
+
+  return url;
+};
+
+export const imgSnapshotTest = (
+  graphStr: string,
+  _options: CypressMermaidConfig = {},
+  api = false,
+  validation?: any
+): void => {
+  cy.log(JSON.stringify(_options));
+  const options: CypressMermaidConfig = Object.assign(_options);
+  if (!options.fontFamily) {
+    options.fontFamily = 'courier';
+  }
+  if (!options.sequence) {
+    options.sequence = {};
+  }
+  if (!options.sequence || (options.sequence && !options.sequence.actorFontFamily)) {
+    options.sequence.actorFontFamily = 'courier';
+  }
+  if (options.sequence && !options.sequence.noteFontFamily) {
+    options.sequence.noteFontFamily = 'courier';
+  }
+  options.sequence.actorFontFamily = 'courier';
+  options.sequence.noteFontFamily = 'courier';
+  options.sequence.messageFontFamily = 'courier';
+  if (options.sequence && !options.sequence.actorFontFamily) {
+    options.sequence.actorFontFamily = 'courier';
+  }
+  if (!options.fontSize) {
+    options.fontSize = 16;
+  }
+
+  const url: string = mermaidUrl(graphStr, options, api);
+  openURLAndVerifyRendering(url, options, validation);
+};
+
+export const urlSnapshotTest = (
+  url: string,
+  _options: CypressMermaidConfig,
+  _api = false,
+  validation?: any
+): void => {
+  const options: CypressMermaidConfig = Object.assign(_options);
+  openURLAndVerifyRendering(url, options, validation);
+};
+
+export const renderGraph = (
+  graphStr: string,
+  options: CypressMermaidConfig = {},
+  api = false
+): void => {
+  const url: string = mermaidUrl(graphStr, options, api);
+  openURLAndVerifyRendering(url, options);
+};
+
+export const openURLAndVerifyRendering = (
+  url: string,
+  options: CypressMermaidConfig,
+  validation?: any
+): void => {
+  const useAppli: boolean = Cypress.env('useAppli');
+  const name: string = (options.name || cy.state('runnable').fullTitle()).replace(/\s+/g, '-');
+
+  if (useAppli) {
+    cy.log(`Opening eyes ${Cypress.spec.name} --- ${name}`);
+    cy.eyesOpen({
+      appName: 'Mermaid',
+      testName: name,
+      batchName: Cypress.spec.name,
+      batchId: batchId + Cypress.spec.name,
+    });
+  }
+
+  cy.visit(url);
+  cy.window().should('have.property', 'rendered', true);
+  cy.get('svg').should('be.visible');
+
+  if (validation) {
+    cy.get('svg').should(validation);
+  }
+
+  if (useAppli) {
+    cy.log(`Check eyes ${Cypress.spec.name}`);
+    cy.eyesCheckWindow('Click!');
+    cy.log(`Closing eyes ${Cypress.spec.name}`);
+    cy.eyesClose();
+  } else {
+    cy.matchImageSnapshot(name);
+  }
+};

cypress/integration/other/configuration.spec.js

@@ -1,4 +1,4 @@
-import { renderGraph } from '../../helpers/util.js';
+import { renderGraph } from '../../helpers/util.ts';
 describe('Configuration', () => {
   describe('arrowMarkerAbsolute', () => {
     it('should handle default value false of arrowMarkerAbsolute', () => {

cypress/integration/other/external-diagrams.spec.js

@@ -1,4 +1,4 @@
-import { urlSnapshotTest } from '../../helpers/util.js';
+import { urlSnapshotTest } from '../../helpers/util.ts';
 
 describe('mermaid', () => {
   describe('registerDiagram', () => {

cypress/integration/other/ghsa.spec.js

@@ -1,4 +1,4 @@
-import { urlSnapshotTest, openURLAndVerifyRendering } from '../../helpers/util.js';
+import { urlSnapshotTest, openURLAndVerifyRendering } from '../../helpers/util.ts';
 
 describe('CSS injections', () => {
   it('should not allow CSS injections outside of the diagram', () => {

cypress/integration/other/xss.spec.js

@@ -1,4 +1,4 @@
-import { mermaidUrl } from '../../helpers/util.js';
+import { mermaidUrl } from '../../helpers/util.ts';
 describe('XSS', () => {
   it('should handle xss in tags', () => {
     const str =

cypress/integration/rendering/appli.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest } from '../../helpers/util.js';
+import { imgSnapshotTest } from '../../helpers/util.ts';
 
 describe('Git Graph diagram', () => {
   it('1: should render a simple gitgraph with commit on main branch', () => {

cypress/integration/rendering/c4.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
 
 describe('C4 diagram', () => {
   it('should render a simple C4Context diagram', () => {

cypress/integration/rendering/classDiagram-v2.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest } from '../../helpers/util.js';
+import { imgSnapshotTest } from '../../helpers/util.ts';
 describe('Class diagram V2', () => {
   it('0: should render a simple class diagram', () => {
     imgSnapshotTest(

cypress/integration/rendering/classDiagram.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
 
 describe('Class diagram', () => {
   it('1: should render a simple class diagram', () => {

cypress/integration/rendering/conf-and-directives.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest } from '../../helpers/util.js';
+import { imgSnapshotTest } from '../../helpers/util.ts';
 
 describe('Configuration and directives - nodes should be light blue', () => {
   it('No config - use default', () => {

cypress/integration/rendering/current.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest } from '../../helpers/util.js';
+import { imgSnapshotTest } from '../../helpers/util.ts';
 
 describe('Current diagram', () => {
   it('should render a state with states in it', () => {

cypress/integration/rendering/debug.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest } from '../../helpers/util.js';
+import { imgSnapshotTest } from '../../helpers/util.ts';
 
 describe('Flowchart', () => {
   it('34: testing the label width in percy', () => {

cypress/integration/rendering/erDiagram.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
 
 describe('Entity Relationship Diagram', () => {
   it('should render a simple ER diagram', () => {

cypress/integration/rendering/flowchart-elk.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
 
 describe.skip('Flowchart ELK', () => {
   it('1-elk: should render a simple flowchart', () => {
@@ -681,7 +681,7 @@ title: Simple flowchart
 flowchart-elk TD
 A --> B
 `,
-      { titleTopMargin: 0 }
+      { flowchart: { titleTopMargin: 0 } }
     );
   });
   it('elk: should include classes on the edges', () => {
@@ -710,7 +710,7 @@ flowchart-elk LR
     style id2 fill:#bbf,stroke:#f66,stroke-width:2px,color:#fff,stroke-dasharray: 5 5
     classDef someclass fill:#f96
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
       it('With formatting in a node', () => {
@@ -726,7 +726,7 @@ flowchart-elk LR
   b --> d(The dog in the hog)
   c --> d
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
       it('New line in node and formatted edge label', () => {
@@ -736,7 +736,7 @@ flowchart-elk LR
 b("\`The dog in **the** hog.(1)
 NL\`") --"\`1o **bold**\`"--> c
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
       it('Wrapping long text with a new line', () => {
@@ -749,7 +749,7 @@ Word!
 Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. \`) --> c
 
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
       it('Sub graphs and markdown strings', () => {
@@ -766,7 +766,7 @@ subgraph "\`**Two**\`"
 end
 
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
     });
@@ -782,7 +782,7 @@ flowchart-elk LR
     style id2 fill:#bbf,stroke:#f66,stroke-width:2px,color:#fff,stroke-dasharray: 5 5
     classDef someclass fill:#f96
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
       it('With formatting in a node', () => {
@@ -798,7 +798,7 @@ flowchart-elk LR
   b --> d(The dog in the hog)
   c --> d
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
       it('New line in node and formatted edge label', () => {
@@ -808,7 +808,7 @@ flowchart-elk LR
 b("\`The dog in **the** hog.(1)
 NL\`") --"\`1o **bold**\`"--> c
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
       it('Wrapping long text with a new line', () => {
@@ -821,7 +821,7 @@ Word!
 Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. \`") --> c
 
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
       it('Sub graphs and markdown strings', () => {
@@ -838,7 +838,7 @@ subgraph "\`**Two**\`"
 end
 
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
     });

cypress/integration/rendering/flowchart-v2.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
 
 describe('Flowchart v2', () => {
   it('1: should render a simple flowchart', () => {
@@ -671,7 +671,7 @@ title: Simple flowchart
 flowchart TD
 A --> B
 `,
-      { titleTopMargin: 0 }
+      { flowchart: { titleTopMargin: 0 } }
     );
   });
   it('3192: It should be possieble to render flowcharts with invisible edges', () => {
@@ -682,7 +682,7 @@ title: Simple flowchart with invisible edges
 flowchart TD
 A ~~~ B
 `,
-      { titleTopMargin: 0 }
+      { flowchart: { titleTopMargin: 0 } }
     );
   });
   it('4023: Should render html labels with images and-or text correctly', () => {
@@ -716,7 +716,7 @@ flowchart LR
     style id2 fill:#bbf,stroke:#f66,stroke-width:2px,color:#fff,stroke-dasharray: 5 5
     classDef someclass fill:#f96
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
       it('With formatting in a node', () => {
@@ -732,7 +732,7 @@ flowchart LR
   b --> d(The dog in the hog)
   c --> d
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
       it('New line in node and formatted edge label', () => {
@@ -742,7 +742,7 @@ flowchart LR
 b("\`The dog in **the** hog.(1)
 NL\`") --"\`1o **bold**\`"--> c
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
       it('Wrapping long text with a new line', () => {
@@ -755,7 +755,7 @@ Word!
 Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. \`") --> c
 
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
       it('Sub graphs and markdown strings', () => {
@@ -772,7 +772,7 @@ subgraph "\`**Two**\`"
 end
 
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
     });
@@ -788,7 +788,7 @@ flowchart LR
     style id2 fill:#bbf,stroke:#f66,stroke-width:2px,color:#fff,stroke-dasharray: 5 5
     classDef someclass fill:#f96
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
       it('With formatting in a node', () => {
@@ -804,7 +804,7 @@ flowchart LR
   b --> d(The dog in the hog)
   c --> d
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
       it('New line in node and formatted edge label', () => {
@@ -814,7 +814,7 @@ flowchart LR
 b("\`The dog in **the** hog.(1)
 NL\`") --"\`1o **bold**\`"--> c
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
       it('Wrapping long text with a new line', () => {
@@ -827,7 +827,7 @@ Word!
 Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. \`") --> c
 
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
       it('Sub graphs and markdown strings', () => {
@@ -844,7 +844,7 @@ subgraph "\`**Two**\`"
 end
 
 `,
-          { titleTopMargin: 0 }
+          { flowchart: { titleTopMargin: 0 } }
         );
       });
     });

cypress/integration/rendering/flowchart.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
 
 describe('Graph', () => {
   it('1: should render a simple flowchart no htmlLabels', () => {

cypress/integration/rendering/gantt.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
 
 describe('Gantt diagram', () => {
   beforeEach(() => {

cypress/integration/rendering/gitGraph.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest } from '../../helpers/util.js';
+import { imgSnapshotTest } from '../../helpers/util.ts';
 
 describe('Git Graph diagram', () => {
   it('1: should render a simple gitgraph with commit on main branch', () => {

cypress/integration/rendering/info.spec.ts

@@ -1,4 +1,4 @@
-import { imgSnapshotTest } from '../../helpers/util.js';
+import { imgSnapshotTest } from '../../helpers/util.ts';
 
 describe('info diagram', () => {
   it('should handle an info definition', () => {

cypress/integration/rendering/journey.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
 
 describe('User journey diagram', () => {
   it('Simple test', () => {

cypress/integration/rendering/mindmap.spec.ts

@@ -1,4 +1,4 @@
-import { imgSnapshotTest } from '../../helpers/util.js';
+import { imgSnapshotTest } from '../../helpers/util.ts';
 
 /**
  * Check whether the SVG Element has a Mindmap root
@@ -242,8 +242,7 @@ mindmap
     a second line 😎\`]
       id2[\`The dog in **the** hog... a *very long text* about it
 Word!\`]
-`,
-        { titleTopMargin: 0 }
+`
       );
     });
   });

cypress/integration/rendering/pie.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
 
 describe('Pie Chart', () => {
   it('should render a simple pie diagram', () => {

cypress/integration/rendering/quadrantChart.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
 
 describe('Quadrant Chart', () => {
   it('should render if only chart type is provided', () => {

cypress/integration/rendering/requirement.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
 
 describe('Requirement diagram', () => {
   it('sample', () => {

cypress/integration/rendering/sankey.spec.ts

@@ -1,4 +1,4 @@
-import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
 
 describe('Sankey Diagram', () => {
   it('should render a simple example', () => {

cypress/integration/rendering/sequencediagram.spec.js

@@ -1,6 +1,6 @@
 /// <reference types="Cypress" />
 
-import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
 
 context('Sequence diagram', () => {
   it('should render a sequence diagram with boxes', () => {

cypress/integration/rendering/stateDiagram-v2.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
 
 describe('State diagram', () => {
   it('v2 should render a simple info', () => {

cypress/integration/rendering/stateDiagram.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
 
 describe('State diagram', () => {
   it('should render a simple state diagrams', () => {

cypress/integration/rendering/theme.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest } from '../../helpers/util.js';
+import { imgSnapshotTest } from '../../helpers/util.ts';
 
 describe('themeCSS balancing, it', () => {
   it('should not allow unbalanced CSS definitions', () => {

cypress/integration/rendering/timeline.spec.ts

@@ -1,4 +1,4 @@
-import { imgSnapshotTest } from '../../helpers/util.js';
+import { imgSnapshotTest } from '../../helpers/util.ts';
 
 describe('Timeline diagram', () => {
   it('1: should render a simple timeline with no specific sections', () => {

cypress/integration/rendering/zenuml.spec.js

@@ -1,4 +1,4 @@
-import { imgSnapshotTest } from '../../helpers/util.js';
+import { imgSnapshotTest } from '../../helpers/util.ts';
 
 describe('Zen UML', () => {
   it('Basic Zen UML diagram', () => {

cypress/tsconfig.json

@@ -2,7 +2,9 @@
   "compilerOptions": {
     "target": "es2020",
     "lib": ["es2020", "dom"],
-    "types": ["cypress", "node"]
+    "types": ["cypress", "node"],
+    "allowImportingTsExtensions": true,
+    "noEmit": true
   },
   "include": ["**/*.ts"]
 }