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support for unicode codepoints greater than 0xffff #361

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eposjk opened this issue Feb 28, 2022 · 1 comment · May be fixed by #507
Open

support for unicode codepoints greater than 0xffff #361

eposjk opened this issue Feb 28, 2022 · 1 comment · May be fixed by #507

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@eposjk
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eposjk commented Feb 28, 2022

When I tried to generate a font overriding the "👥" symbol (codepoint: 128101), fantasticon seems to change the codepoint to 61697.
The problem seems to be

fantasticon/src/generators/asset-types/svg.ts

Line 33 in fd54837

const unicode = String.fromCharCode(codepoints[id]);

According to https://developer.mozilla.org/de/docs/Web/JavaScript/Reference/Global_Objects/String/fromCharCode
String.fromCharCode() only supports 16-bit codepoints. ES2015 offers a similar function String.fromCodePoint() which does not have that restriction.

When I replace it locally, it seems to work.
@skytomo221
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Hello, I have the same issue.

I am currently trying to create a font for Hentaigana (U+1B000 - U+1B0FF). It would be very convenient if I could combine svgs to create the font file, but is currently prevented from doing so due to this.

While analyzing this issue, I found a similar problem in the svgicons2svgfont package, which fantasticon depends on.
nfroidure/svgicons2svgfont#96
Hence it might take a little more than fixing the line that @eposjk has pointed out.
I would be more than happy to help regarding this issue. 🙂

MLoughry added a commit to MLoughry/fantasticon that referenced this issue Feb 8, 2023
@MLoughry
Add support for unicode ranges larger than 0xFFF
d6669e6 
Fixes tancredi#361
@MLoughry MLoughry linked a pull request Feb 8, 2023 that will close this issue
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Add support for unicode ranges larger than 0xFFFF MLoughry/fantasticon
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@eposjk @skytomo221