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fix: Create a copy of config passed in initialize, so that theme variables are not leaked to the object

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This commit is contained in:
Sidharth Vinod
2024-08-20 16:57:11 +05:30
parent 04c29e2a96
commit 3ee19337ca
1 changed files with 4 additions and 2 deletions
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6
packages/mermaid/src/mermaidAPI.ts
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@@ -25,6 +25,7 @@ import { preprocessDiagram } from './preprocess.js';
import { decodeEntities } from './utils.js'; import { decodeEntities } from './utils.js';
import { toBase64 } from './utils/base64.js'; import { toBase64 } from './utils/base64.js';
import type { D3Element, ParseOptions, ParseResult, RenderResult } from './types.js'; import type { D3Element, ParseOptions, ParseResult, RenderResult } from './types.js';
import assignWithDepth from './assignWithDepth.js';
const MAX_TEXTLENGTH = 50_000; const MAX_TEXTLENGTH = 50_000;
const MAX_TEXTLENGTH_EXCEEDED_MSG = const MAX_TEXTLENGTH_EXCEEDED_MSG =
@@ -473,9 +474,10 @@ const render = async function (
}; };
/** /**
* @param options - Initial Mermaid options * @param userOptions - Initial Mermaid options
*/ */
function initialize(options: MermaidConfig = {}) { function initialize(userOptions: MermaidConfig = {}) {
const options = assignWithDepth({}, userOptions);
// Handle legacy location of font-family configuration // Handle legacy location of font-family configuration
if (options?.fontFamily && !options.themeVariables?.fontFamily) { if (options?.fontFamily && !options.themeVariables?.fontFamily) {
if (!options.themeVariables) { if (!options.themeVariables) {