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feat(tokens): implement exception for typography multi tokens in build script #3285

Merged
merged 7 commits into from
Jul 22, 2024
18 changes: 12 additions & 6 deletions .github/workflows/build-tokens.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ jobs:

const inputFileNames = fs.readdirSync('packages/tokens/tokensstudio-generated')
const inputFiles = inputFileNames.map(fileName => ({
type: path.extname(fileName),
type: path.extname(fileName).replace(/^\./, ''),
name: fileName,
content: fs.readFileSync(`packages/tokens/tokensstudio-generated/${fileName}`, 'utf8')
}))
Expand All @@ -47,11 +47,17 @@ jobs:
'components.scss',
]
const outputFileNames = fs.readdirSync('packages/tokens/dist')
const outputFiles = outputFileNames.map(fileName => ({
type: path.extname(fileName),
name: fileName,
content: fs.readFileSync(`packages/tokens/dist/${fileName}`, 'utf8')
})).sort((a, b) => (outputOrder.includes(a.name) ? outputOrder.indexOf(a.name) : 1000) - (outputOrder.includes(b.name) ? outputOrder.indexOf(b.name) : 1000))
const outputFiles = outputFileNames
.map(fileName => ({
type: path.extname(fileName).replace(/^\./, ''),
name: fileName,
content: fs.readFileSync(`packages/tokens/dist/${fileName}`, 'utf8')
}))
.map(({ type, name, content }) => {
if (type === 'scss') content = content.replaceAll('\n\n', '\n \n').replaceAll('$', '$').replaceAll(' ', '  ')
return { type, name, content }
})
.sort((a, b) => (outputOrder.includes(a.name) ? outputOrder.indexOf(a.name) : 1000) - (outputOrder.includes(b.name) ? outputOrder.indexOf(b.name) : 1000))

return `# Token Build
## Input
Expand Down
45 changes: 41 additions & 4 deletions packages/tokens/build.js
Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,10 @@ StyleDictionary.registerFilter({
StyleDictionary.registerFormat({
name: 'swisspost/scss-format',
format: ({ dictionary, file }) => {
const MULTIVALUE_SEPARATOR_RULES = [
{ previousKey: 'fontSize', currentKey: 'lineHeight', separator: '/' },
];

const fileName = file.destination.replace(/\.scss$/, '');
const isCore = fileName === 'core';

Expand All @@ -76,10 +80,26 @@ StyleDictionary.registerFormat({
let tokenValue = token.value;

if (usesReferences(token.original.value)) {
tokenValue = token.original.value.replace(
/{[^}]+}/g,
match => `var(--${match.replace(/[{}]/g, '').replace(/\./g, '-')})`,
);
try {
if (token.type === 'typography') {
tokenValue = Object.entries(token.original.value).reduce(
(values, [key, value], i) =>
`${values}${getSeparator(
Object.keys(token.original.value)[i - 1],
key,
)}${getReference(value)}`,
'',
);
} else {
tokenValue = getReference(token.original.value);
}
} catch (error) {
console.error(
`\x1b[31mError: While processing the token \x1b[33m"${tokenName}"\x1b[31m within the tokenset \x1b[33m"${dataSetName}"\x1b[31m, the following error occurred:\n"${
error.message
}".\nInput:\n\x1b[90m${JSON.stringify(token, null, 2)}\x1b[0m`,
);
}
}

return isCore ? `--${tokenName}: ${tokenValue};` : `'${tokenName}': ${tokenValue},`;
Expand All @@ -92,6 +112,23 @@ StyleDictionary.registerFormat({
})
.join('\n')
);

function getReference(value = '') {
return value.replace(
/{[^}]+}/g,
match => `var(--${match.replace(/[{}]/g, '').replace(/\./g, '-')})`,
);
}

function getSeparator(pKey = '', cKey = '') {
if (pKey === '') return '';

return (
MULTIVALUE_SEPARATOR_RULES.find(
rule => rule.previousKey === pKey && rule.currentKey === cKey,
)?.separator ?? ' '
);
}
},
});

Expand Down
4 changes: 2 additions & 2 deletions pnpm-lock.yaml

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