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Merge pull request #4528 from Yokozuna59/bug/4527_fix-optional-style-issue

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fix not rendered style when style is optional
This commit is contained in:
Sidharth Vinod 2023-06-27 11:30:15 +05:30 committed by GitHub
commit 2bec82707f
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3 changed files with 9 additions and 7 deletions
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5
packages/mermaid/src/diagram-api/diagramAPI.ts
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@ -7,7 +7,6 @@ import { addStylesForDiagram } from '../styles.js';
import { DiagramDefinition, DiagramDetector } from './types.js';
import * as _commonDb from '../commonDb.js';
import { parseDirective as _parseDirective } from '../directiveUtils.js';
import isEmpty from 'lodash-es/isEmpty.js';
/*
Packaging and exposing resources for external diagrams so that they can import
@ -51,9 +50,7 @@ export const registerDiagram = (
if (detector) {
addDetector(id, detector);
}
if (!isEmpty(diagram.styles)) {
addStylesForDiagram(id, diagram.styles);
}
addStylesForDiagram(id, diagram.styles);
if (diagram.injectUtils) {
diagram.injectUtils(

2
packages/mermaid/src/diagram-api/types.ts
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@ -82,3 +82,5 @@ export type ParseDirectiveDefinition = (statement: string, context: string, type
export type HTML = d3.Selection<HTMLIFrameElement, unknown, Element, unknown>;
export type SVG = d3.Selection<SVGSVGElement, unknown, Element, unknown>;
export type DiagramStylesProvider = (options?: any) => string;

9
packages/mermaid/src/styles.ts
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@ -1,7 +1,8 @@
import type { FlowChartStyleOptions } from './diagrams/flowchart/styles.js';
import { log } from './logger.js';
import type { DiagramStylesProvider } from './diagram-api/types.js';
const themes: Record<string, any> = {};
const themes: Record<string, DiagramStylesProvider> = {};
const getStyles = (
type: string,
@ -73,8 +74,10 @@ const getStyles = (
`;
};
export const addStylesForDiagram = (type: string, diagramTheme: unknown): void => {
themes[type] = diagramTheme;
export const addStylesForDiagram = (type: string, diagramTheme?: DiagramStylesProvider): void => {
if (diagramTheme !== undefined) {
themes[type] = diagramTheme;
}
};
export default getStyles;