Merge pull request #4941 from rflban/fix/1294_exhaustive-clear-sequen…

…ceDb-variables

fix/1294_exhaustive-clear-sequenceDb-variables

.npmrc

@@ -1,2 +1,3 @@
+registry=https://registry.npmjs.org
 auto-install-peers=true
 strict-peer-dependencies=false

cypress/helpers/util.ts

@@ -10,7 +10,7 @@ interface CypressConfig {
 type CypressMermaidConfig = MermaidConfig & CypressConfig;
 
 interface CodeObject {
-  code: string;
+  code: string | string[];
   mermaid: CypressMermaidConfig;
 }
 
@@ -25,7 +25,7 @@ const batchId: string =
     : Cypress.env('CYPRESS_COMMIT') || Date.now().toString());
 
 export const mermaidUrl = (
-  graphStr: string,
+  graphStr: string | string[],
   options: CypressMermaidConfig,
   api: boolean
 ): string => {
@@ -82,7 +82,7 @@ export const urlSnapshotTest = (
 };
 
 export const renderGraph = (
-  graphStr: string,
+  graphStr: string | string[],
   options: CypressMermaidConfig = {},
   api = false
 ): void => {

cypress/integration/rendering/sequencediagram.spec.js

@@ -930,4 +930,36 @@ context('Sequence diagram', () => {
       });
     });
   });
+  context('render after error', () => {
+    it('should render diagram after fixing destroy participant error', () => {
+      cy.on('uncaught:exception', (err) => {
+        return false;
+      });
+
+      renderGraph([
+        `sequenceDiagram
+    Alice->>Bob: Hello Bob, how are you ?
+    Bob->>Alice: Fine, thank you. And you?
+    create participant Carl
+    Alice->>Carl: Hi Carl!
+    create actor D as Donald
+    Carl->>D: Hi!
+    destroy Carl
+    Alice-xCarl: We are too many
+    destroy Bo
+    Bob->>Alice: I agree`,
+        `sequenceDiagram
+    Alice->>Bob: Hello Bob, how are you ?
+    Bob->>Alice: Fine, thank you. And you?
+    create participant Carl
+    Alice->>Carl: Hi Carl!
+    create actor D as Donald
+    Carl->>D: Hi!
+    destroy Carl
+    Alice-xCarl: We are too many
+    destroy Bob
+    Bob->>Alice: I agree`,
+      ]);
+    });
+  });
 });

docs/syntax/sequenceDiagram.md

@@ -131,6 +131,14 @@ sequenceDiagram
     Bob->>Alice: I agree
 ```
 
+#### Unfixable actor/participant creation/deletion error
+
+If an error of the following type occurs when creating or deleting an actor/participant:
+
+> The destroyed participant **participant-name** does not have an associated destroying message after its declaration. Please check the sequence diagram.
+
+And fixing diagram code does not get rid of this error and rendering of all other diagrams results in the same error, then you need to update the mermaid version to (v\<MERMAID_RELEASE_VERSION>+).
+
 ### Grouping / Box
 
 The actor(s) can be grouped in vertical boxes. You can define a color (if not, it will be transparent) and/or a descriptive label using the following notation: