Fix sandbox mode with UTF-16 characters
#5520
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Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## develop #5520 +/- ##
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- Coverage 5.73% 5.73% -0.01%
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Files 278 279 +1
Lines 41999 42005 +6
Branches 490 491 +1
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Hits 2409 2409
- Misses 39590 39596 +6
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😕 Not sure why the lint CI is failing now. Something to do with docs? |
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There were some issues in develop, let's see if it passes now. |
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* develop:
chore: Update docs
chore: Add argos token to cypress config.
chore: Remove cy.get('svg') calls
Explain line breaks in `sequenceDiagram.md`
add integration test
fix note z position
Correct the System_Boundary stereotype
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@iansan5653, Thank you for the contribution! |
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📑 Summary
btoais the native browser API for encoding strings to Base64, but it does not support UTF-16 code points:This in turn results in Mermaid crashing when attempting to render diagrams with, for example, emojis. Which causes Mermaid to render the diagram directly to the page, circumventing the sandbox mode and breaking the page.
This PR fixes the problem by down-encoding the string to UTF-8 before encoding it to Base64, as described on MDN. In addition, now that the encoded string is UTF-8 we need to specify an encoding in the
dataURL so that the browser knows how to render that text.📋 Tasks
Make sure you
MERMAID_RELEASE_VERSIONis used for all new features.developbranch