Make Blacklist class

This commit is contained in:
Shin'ya UEOKA 2019-10-05 06:39:20 +00:00
parent 574692551a
commit b86b4680b6
12 changed files with 139 additions and 149 deletions

View file

@ -0,0 +1,39 @@
export type BlacklistJSON = string[];
const fromWildcard = (pattern: string): RegExp => {
let regexStr = '^' + pattern.replace(/\*/g, '.*') + '$';
return new RegExp(regexStr);
};
export default class Blacklist {
constructor(
private blacklist: string[],
) {
}
static fromJSON(json: any): Blacklist {
if (!Array.isArray(json)) {
throw new TypeError(`"blacklist" is not an array of string`);
}
for (let x of json) {
if (typeof x !== 'string') {
throw new TypeError(`"blacklist" is not an array of string`);
}
}
return new Blacklist(json);
}
toJSON(): BlacklistJSON {
return this.blacklist;
}
includes(url: string): boolean {
let u = new URL(url);
return this.blacklist.some((item) => {
if (!item.includes('/')) {
return fromWildcard(item).test(u.host);
}
return fromWildcard(item).test(u.host + u.pathname);
});
}
}