Files
mermaid-live-editor/src/lib/util/mermaid.ts
T
2022-10-19 15:17:52 +05:30

42 lines
1.2 KiB
TypeScript

import mermaid from 'mermaid';
// We need to export MermaidConfig and all related types from mermaid.
import type { MermaidConfig } from 'mermaid/dist/config.type';
import { env } from './env';
const { mermaidBaseURL, mermaidCDNUrl, useLocalMermaid } = env;
const getDiagramURL = (name: string, version: string): string => {
if (useLocalMermaid) {
return `${mermaidBaseURL}/${name}-detector.esm.mjs`;
}
return `${mermaidCDNUrl}/${name}@${version}/dist/${name}-detector.esm.mjs`;
};
const initialize = mermaid.initializeAsync({
// logLevel: 0,
lazyLoadedDiagrams: [getDiagramURL('mermaid-mindmap', '9.2.0-rc4')],
loadExternalDiagramsAtStartup: true
});
export const init = async () => {
await initialize;
};
export const render = async (
config: MermaidConfig,
code: string,
id: string,
callback: Parameters<typeof mermaid.render>[2]
): Promise<void> => {
// Should be able to call this multiple times without any issues.
mermaid.initialize(config);
// console.log('Rendering', code);
// mermaid.mermaidAPI.render(id, code, callback);
await init();
await mermaid.mermaidAPI.renderAsync(id, code, callback);
};
export const parse = async (code: string): Promise<boolean> => {
await init();
return mermaid.parseAsync(code);
};