Commit ec38f2e

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update: hidden storage

1 parent 92be475 commit ec38f2eCopy full SHA for ec38f2e

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+29

-9

lines changed

+29

-9

lines changed

Lines changed: 29 additions & 9 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,27 +1,23 @@`
`1`	`1`	`// XSet because ES6 already has a Set class`
`2`	`2`	`class XSet {`
`3`	`3`	`constructor() {`
`4`		`- this.data = {};`
	`4`	`+ this.data = this.getStore();`
`5`	`5`	`}`
`6`	`6`
`7`	`7`	`add(element) {`
`8`		`- if (!this.data[element]) {`
`9`		`- this.data[element] = true;`
`10`		`- }`
	`8`	`+ this.data.push(element);`
`11`	`9`	`}`
`12`	`10`
`13`	`11`	`remove(element) {`
`14`		`- if (this.data[element]) {`
`15`		`- delete this.data[element];`
`16`		`- }`
	`12`	`+ this.data.pop(element);`
`17`	`13`	`}`
`18`	`14`
`19`	`15`	`has(element) {`
`20`		`- return !!this.data[element];`
	`16`	`+ return this.data.contains(element);`
`21`	`17`	`}`
`22`	`18`
`23`	`19`	`values() {`
`24`		`- return Object.keys(this.data);`
	`20`	`+ return this.data.val();`
`25`	`21`	`}`
`26`	`22`
`27`	`23`	`union(givenSet) {`
`@@ -37,6 +33,30 @@ class XSet {`
`37`	`33`
`38`	`34`	`return result;`
`39`	`35`	`}`
	`36`	`+`
	`37`	`+ // eslint-disable-next-line class-methods-use-this`
	`38`	`+ getStore() {`
	`39`	`+ const store = {};`
	`40`	`+`
	`41`	`+ return {`
	`42`	`+ push(el) {`
	`43`	`+ if (!store[el]) {`
	`44`	`+ store[el] = true;`
	`45`	`+ }`
	`46`	`+ },`
	`47`	`+ pop(el) {`
	`48`	`+ if (store[el]) {`
	`49`	`+ delete store[el];`
	`50`	`+ }`
	`51`	`+ },`
	`52`	`+ contains(el) {`
	`53`	`+ return !!store[el];`
	`54`	`+ },`
	`55`	`+ val() {`
	`56`	`+ return Object.keys(store);`
	`57`	`+ },`
	`58`	`+ };`
	`59`	`+ }`
`40`	`60`	`}`
`41`	`61`
`42`	`62`	`// const s = new XSet();`

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