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/* font i18n */
:root {
/* customizable localized variables */
:lang(ja) {
--fonts-override: var(--fonts-default-override-ja);
}
:lang(zh-CN) {
--fonts-override: var(--fonts-default-override-zh-cn);
}
:lang(zh-TW) {
--fonts-override: var(--fonts-default-override-zh-tw);
}
:lang(zh-HK) {
--fonts-override: var(--fonts-default-override-zh-hk);
}
:lang(ko) {
--fonts-override: var(--fonts-default-override-ko);
}
}
[lang] {
font-family: var(--fonts-regular);
}
each(@fonts, {
@weights: .gen-weights-all(@value);
@locale: replace(@key, "@", "-");
.font-face-cjk(~"system-ui@{locale}", @weights[@light], 300);
.font-face-cjk(~"system-ui@{locale}", @weights[@regular], 400);
.font-face-cjk(~"system-ui@{locale}", @weights[@medium], 500);
.font-face-cjk(~"system-ui@{locale}", @weights[@bold], 700);
/* Safari on macOS/iOS */
@font-face {
font-family: ~"system-ui@{locale}";
src: local("HelveticaNeue");
unicode-range: U+A0;
}
/* Other browsers on macOS/iOS */
@supports not (-webkit-hyphens:none) {
@font-face {
font-family: ~"system-ui@{locale}";
src: local("HelveticaNeue");
unicode-range: U+20;
}
}
:root {
/* Special handling for Firefox on Windows/Linux */
@supports (-moz-appearance:none) {
--fonts-default-override@{locale}: ~"var(--fonts-proportional), system-ui@{locale}";
}
--fonts-default-override@{locale}: ~"system-ui@{locale}, var(--fonts-proportional)";
}
});
@fonts: {
@ja:
"HiraginoSans-:{W2,W4,W5,W6}", "HiraKakuProN-:{W3,W6}", "Hiragino Kaku Gothic ProN :{W3,W6}",
.shs("JP")[], .shs("J")[], .noto("JP")[], .shs("")[],
/* https://acetaminophen.hatenablog.com/entry/2016/02/15/225009 */
"Yu Gothic :{Regular,Medium,Bold}", "YuGothic :{Regular,Medium,Bold}",
"Droid Sans Japanese:{}", "Meiryo:{, Bold}", "MS PGothic:{}";
@zh-cn:
.pingfang("SC")[],
.shs("CN")[], .shs("SC")[], .noto("SC")[],
"HiraginoSansGB-:{W3,W6}", "Hiragino Sans GB :{W3,W6}",
"Microsoft YaHei:{ Light,, Bold}", "Heiti SC :{Light,Medium}", "SimHei:{}";
@zh-tw:
.pingfang("TC")[],
.shs("TW")[], .shs("TC")[], .noto("TC")[],
"HiraginoSansTC-:{W3,W6}", "Hiragino Sans TC :{W3,W6}",
"Microsoft JhengHei:{ Light,, Bold}", "Heiti TC :{Light,Medium}", "PMingLiU:{}";
@zh-hk:
.pingfang("HK")[],
.shs("HK")[], .shs("HC")[], .noto("HK")[], .shs("TC")[], .noto("TC")[],
"HiraginoSansTC-:{W3,W6}", "Hiragino Sans TC :{W3,W6}",
"Microsoft JhengHei:{ Light,, Bold}", "Heiti TC :{Light,Medium}", "PMingLiU_HKSCS:{}", "PMingLiU:{}";
@ko:
"AppleSDGothicNeo-:{Light,Regular,Medium,SemiBold}",
.shs("KR")[], .shs("K")[], .noto("KR")[],
"NanumBarunGothic:{ Light,, Bold}",
"Malgun Gothic:{ Semilight,, Bold}", "Nanum Gothic:{, Bold}", "Dotum:{}";
}
.noto(@suffix) { @value: "Noto Sans CJK @{suffix} ", "NotoSansCJK@{suffix}-"; }
.shs(@suffix) { @value: replace("Source Han Sans @{suffix} ", " ", " "), "SourceHanSans@{suffix}-"; }
.pingfang(@suffix) { @value: "PingFang@{suffix}-:{Light,Regular,Medium,Semibold}"; }
.font-face-cjk(@family, @src, @weight) {
@font-face {
font-family: @family;
src: @src;
font-weight: @weight;
unicode-range: ~"U+11??, U+2E80-4DBF, U+4E00-9FFF, U+A960-A97F, U+AC00-D7FF, U+F900-FAFF, U+FE00-FE6F, U+FF00-FFEF, U+1F2??, U+2????";
}
}
.gen-weights(@family) when (isstring(@family)) {
@family-str: replace(@family, ":\{.*\}$", "");
// apply standard style names if none is given
// should the font have no styles, use :{}, as in "SimHei:{}"
@weights-str: if(@family = @family-str, "Light,Regular,Medium,Bold", replace(@family, ".*:\{(.*)\}$", "$1"));
@lightest: replace(@weights-str, ",.*", "");
@boldest: replace(@weights-str, ".*,", "");
@2ndboldest: replace(@weights-str, "(?:.*,|)([^,]*),.*$", "$1");
@2ndlightest: if(@2ndboldest = @lightest, @lightest, replace(@weights-str, "^.*?,([^,]*).*", "$1"));
@light: local("@{family-str}@{lightest}");
@regular: local("@{family-str}@{2ndlightest}");
@medium: local("@{family-str}@{2ndboldest}");
@bold: local("@{family-str}@{boldest}");
}
.gen-weights(@family) when not (isstring(@family)) {
.gen-weights-all(@family);
}
.gen-weights(@family, @last) {
@this: .gen-weights(@family);
@light: @last[@light], @this[@light];
@regular: @last[@regular], @this[@regular];
@medium: @last[@medium], @this[@medium];
@bold: @last[@bold], @this[@bold];
}
.gen-weights-all(@family) when not (isstring(@family)) {
.gen-weights-all(@family, length(@family));
}
.gen-weights-all(@family, 1) when not (isstring(@family)) {
.gen-weights(extract(@family, 1));
}
.gen-weights-all(@family, @ctr) when not (isstring(@family)) and (@ctr > 1) and (@ctr <= length(@family)) {
.gen-weights(extract(@family, @ctr), .gen-weights-all(@family, @ctr - 1));
}
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