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const bemDecl = require('@bem/sdk.decl');
// Create two files with declarations:
const mock = require('mock-fs');
mock({
'set1.bemdecl.js': "exports.blocks = [\n {name: 'a'},\n {name: 'b'},\n {name: 'c'}\n];",
'set2.bemdecl.js': "exports.blocks = [\n {name: 'b'},\n {name: 'e'}\n];"
});
// In the RunKit you don't need to use an async function
// Await loading of file and put it to `set1` variable
const set1 = await bemDecl.load('set1.bemdecl.js');
// `set1` is an array of BemCell objects,
// convert them to strings using `.map` and special `id` property:
set1.map(c => c.id);
// Load the second set
const set2 = await bemDecl.load('set2.bemdecl.js');
set2.map(c => c.id);
bemDecl.subtract(set1, set2).map(c => c.id);
bemDecl.subtract(set2, set1).map(c => c.id);
bemDecl.intersect(set1, set2).map(c => c.id);
bemDecl.merge(set1, set2).map(c => c.id);
const mergedSet = bemDecl.normalize(bemDecl.merge(set1, set2));
bemDecl.save('mergedSet.bemdecl.js', mergedSet, { format: 'v1', exportType: 'commonjs' })
const fs = require('fs');
fs.readFile('mergedSet.bemdecl.js', 'utf-8', (err, data) => {
if (err) throw err;
console.log(data);
});
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