react-monaco-editor
Version:
Monaco Editor for React
35 lines (32 loc) • 754 B
JavaScript
;
exports.intersect = sets => {
if (sets.length === 0) return new Set();
if (sets.length === 1) return new Set(sets[0]);
let minSize = Infinity;
let minIndex = -1;
for (let i = 0; i < sets.length; i++) {
const size = sets[i].size;
if (size < minSize) {
minIndex = i;
minSize = size;
}
}
const current = new Set(sets[minIndex]);
for (let i = 0; i < sets.length; i++) {
if (i === minIndex) continue;
const set = sets[i];
for (const item of current) {
if (!set.has(item)) {
current.delete(item);
}
}
}
return current;
};
exports.isSubset = (bigSet, smallSet) => {
if (bigSet.size < smallSet.size) return false;
for (const item of smallSet) {
if (!bigSet.has(item)) return false;
}
return true;
};