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validate that height in putInfoIframe is defined

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This commit is contained in:
Yokozuna59 2023-06-20 17:49:07 +03:00
parent b041e5168b
commit 99da3d7cd5
2 changed files with 6 additions and 4 deletions
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6
docs/config/setup/modules/mermaidAPI.md
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@ -96,7 +96,7 @@ mermaid.initialize(config);
#### Defined in
[mermaidAPI.ts:663](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L663)
[mermaidAPI.ts:665](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L665)
## Functions
@ -127,7 +127,7 @@ Return the last node appended
#### Defined in
[mermaidAPI.ts:308](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L308)
[mermaidAPI.ts:310](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L310)
---
@ -320,4 +320,4 @@ Remove any existing elements from the given document
#### Defined in
[mermaidAPI.ts:358](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L358)
[mermaidAPI.ts:360](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L360)

4
packages/mermaid/src/mermaidAPI.ts
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@ -285,7 +285,9 @@ export const cleanUpSvgCode = (
* TODO replace btoa(). Replace with buf.toString('base64')?
*/
export const putIntoIFrame = (svgCode = '', svgElement?: D3Element): string => {
const height = svgElement ? svgElement.viewBox.baseVal.height + 'px' : IFRAME_HEIGHT;
const height = svgElement?.viewBox?.baseVal?.height
? svgElement.viewBox.baseVal.height + 'px'
: IFRAME_HEIGHT;
const base64encodedSrc = btoa('<body style="' + IFRAME_BODY_STYLE + '">' + svgCode + '</body>');
return `<iframe style="width:${IFRAME_WIDTH};height:${height};${IFRAME_STYLES}" src="data:text/html;base64,${base64encodedSrc}" sandbox="${IFRAME_SANDBOX_OPTS}">
${IFRAME_NOT_SUPPORTED_MSG}