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Fix multiple @font-face of the same name #327

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merged 2 commits into from
Jun 8, 2018
Merged

Fix multiple @font-face of the same name #327

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bbd3e1e
Fix multiple font family issues.
milesj May 23, 2018
b70b9fc
Fix spacing.
milesj Jun 7, 2018
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8 changes: 7 additions & 1 deletion src/inject.js
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,13 @@ const stringHandlers = {
// an array of objects and strings.
fontFamily: function fontFamily(val) {
if (Array.isArray(val)) {
return val.map(fontFamily).join(",");
const nameMap = {};
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Was gonna use Set, but I didn't see that or Map used anywhere else. Playing it safe.

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That's right, we've avoided these things so it would be nice to keep it that way unless there is a compelling reason not to.

I think the order of the keys in the object are not guaranteed on older versions of Node, but that might not matter anymore so this should be okay.


val.forEach(v => {
nameMap[fontFamily(v)] = true;
});

return Object.keys(nameMap).join(",");
} else if (typeof val === "object") {
injectStyleOnce(val.src, "@font-face", [val], false);
return `"${val.fontFamily}"`;
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68 changes: 68 additions & 0 deletions tests/inject_test.js
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Expand Up @@ -404,6 +404,74 @@ describe('String handlers', () => {
assertStylesInclude('font-family: CoolFont;');
assertStylesInclude("src: url('coolfont.ttf');");
});

it('supports multiple @font-face with the same family name', () => {
const sheet = StyleSheet.create({
base: {
fontFamily: [
{
fontFamily: "CoolFont",
src: "url('coolfont.ttf')",
},
{
fontFamily: "CoolFont",
fontStyle: "italic",
src: "url('coolfont-italic.ttf')",
},
{
fontFamily: "CoolFont",
fontWeight: 300,
src: "url('coolfont-bold.ttf')",
},
"sans-serif",
],
},
});

startBuffering();
css(sheet.base);
flushToStyleTag();

assertStylesInclude('font-family: "CoolFont",sans-serif !important');
assertStylesInclude('font-family: CoolFont;');
assertStylesInclude("src: url('coolfont.ttf');");
assertStylesInclude("font-style: italic; src: url('coolfont-italic.ttf');");
assertStylesInclude("font-weight: 300; src: url('coolfont-bold.ttf');");
});

it('supports multiple @font-face with different family names', () => {
const sheet = StyleSheet.create({
base: {
fontFamily: [
{
fontFamily: "CoolFont",
src: "url('coolfont.ttf')",
},
{
fontFamily: "AwesomeFont",
src: "url('awesomefont.ttf')",
},
{
fontFamily: "SuperFont",
src: "url('superfont.ttf')",
},
"sans-serif",
],
},
});

startBuffering();
css(sheet.base);
flushToStyleTag();

assertStylesInclude('font-family: "CoolFont","AwesomeFont","SuperFont",sans-serif !important');
assertStylesInclude('font-family: CoolFont;');
assertStylesInclude("src: url('coolfont.ttf');");
assertStylesInclude('font-family: AwesomeFont;');
assertStylesInclude("src: url('awesomefont.ttf');");
assertStylesInclude('font-family: SuperFont;');
assertStylesInclude("src: url('superfont.ttf');");
});
});

describe('animationName', () => {
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