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BEM deps to import
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| function depsToImport(deps) { | |
| const uniq = a => [...new Set(a)]; | |
| return Object.values( | |
| deps | |
| .map(({ block, ...rest }) => ({ block: Array.isArray(block) ? block[0] : block, ...rest })) | |
| .reduce((res, { block, elem, mod, val }) => { | |
| const key = elem ? `${block}__${elem}` : block; | |
| const cur = res[key] || {}; | |
| return { | |
| ...res, | |
| [key]: { | |
| ...cur, | |
| block, | |
| ...(elem && { elem }), | |
| ...(mod && { | |
| mod: { | |
| ...cur.mod, | |
| ...(val && { | |
| [mod]: uniq([...((cur.mod && cur.mod[mod]) ? cur.mod[mod] : []), val]), | |
| }) | |
| }, | |
| }) | |
| }, | |
| }; | |
| }, {}) | |
| ).map(({ block, elem, mod }) => { | |
| const res = [`b:${block}`]; | |
| if (elem) { | |
| res.push(`e:${elem}`); | |
| } | |
| if (mod && Object.keys(mod).length) { | |
| res.push( | |
| Object | |
| .entries(mod) | |
| .map( | |
| ([key, values]) => | |
| ((values.length === 1 && values[0] === true) ? `m:${key}` : `m:${key}=${values.join('|')}`) | |
| ) | |
| .join(' ') | |
| ); | |
| } | |
| return `import '${res.join(' ')}';`; | |
| }).sort().join('\n'); | |
| } |
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