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Merge pull request #6905 from mermaid-js/6780-class-diagram-newline-whitespace

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6780: treat newline characters as whitespace in class diagrams
This commit is contained in:
Shubham P
2025-09-01 12:20:42 +00:00
committed by GitHub
parent 82800a2c84 33bc4a0b4e
commit 6b1a7a9e1a
4 changed files with 35 additions and 1 deletions
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8
packages/mermaid/src/diagrams/class/classDiagram.spec.ts
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@@ -1070,6 +1070,14 @@ describe('given a class diagram with members and methods ', function () {
parser.parse(str);
});
it('should handle an empty class body with {}', function () {
const str = 'classDiagram\nclass EmptyClass {}';
parser.parse(str);
const actual = parser.yy.getClass('EmptyClass');
expect(actual.label).toBe('EmptyClass');
expect(actual.members.length).toBe(0);
expect(actual.methods.length).toBe(0);
});
});
});

10
packages/mermaid/src/diagrams/class/parser/classDiagram.jison
View File

@@ -293,6 +293,7 @@ classStatement
: classIdentifier
| classIdentifier STYLE_SEPARATOR alphaNumToken {yy.setCssClass($1, $3);}
| classIdentifier STRUCT_START members STRUCT_STOP {yy.addMembers($1,$3);}
| classIdentifier STRUCT_START STRUCT_STOP {}
| classIdentifier STYLE_SEPARATOR alphaNumToken STRUCT_START members STRUCT_STOP {yy.setCssClass($1, $3);yy.addMembers($1,$5);}
;
@@ -301,8 +302,15 @@ classIdentifier
| CLASS className classLabel {$$=$2; yy.addClass($2);yy.setClassLabel($2, $3);}
;
emptyBody
:
| SPACE emptyBody
| NEWLINE emptyBody
;
annotationStatement
:ANNOTATION_START alphaNumToken ANNOTATION_END className { yy.addAnnotation($4,$2); }
: ANNOTATION_START alphaNumToken ANNOTATION_END className { yy.addAnnotation($4,$2); }
;
members