Sha256: f034961b3bdd750dd00842233887fc0c21ed6e9f9fa74d0afea062b334607cef
Contents?: true
Size: 1.18 KB
Versions: 211
Compression:
Stored size: 1.18 KB
Contents
export default class CustomSet {
constructor(data = []) {
this.data = {};
data.forEach(el => this.put(el));
this.comparator = typeof data[0] === 'number' ?
(a, b) => a - b
: (a, b) => b <= a
? 1 : -1;
}
delete(el) {
delete this.data[el];
return this;
}
eql(other) {
return this.difference(other).size() === 0;
}
difference(other) {
return new CustomSet(Object.keys(this.data).filter(el => other.data[el] === undefined));
}
disjoint(other) {
return this.size === 0 || this.difference(other).size() === this.size();
}
intersection(other) {
return this.difference(this.difference(other));
}
union(other) {
return new CustomSet(this.toList().concat(this.difference(other).toList()));
}
subset(other) {
return other.eql(this.intersection(other));
}
toList() {
return Object.keys(this.data).map(el => +el);
}
member(el) {
return this.data[el] !== undefined;
}
put(value) {
this.data[value] = value;
return this;
}
sort() {
this.data.sort(this.comparator);
}
size() {
return Object.keys(this.data).length;
}
empty() {
this.data = {};
return this;
}
}
Version data entries
211 entries across 211 versions & 1 rubygems