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URLBuilder.ts
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import { BeforeToken, TokenKey, IURLBuilder } from './ts-refs/be-reformable/types';
export class URLBuilder implements IURLBuilder{
#tokens: Array<[BeforeToken, TokenKey]> = [];
get tokens(){
return this.#tokens;
}
constructor(public pattern: string){
let result;
let i = 0;
const positions = this.#tokens;
while ((result = reg.exec(pattern)) !== null) {
const beforeToken = pattern.substring(i, result.index);
const r = result[0]
const tokenKey = r.substring(1);
i = result.index + r.length;
positions.push([beforeToken, tokenKey]);
}
if(i < pattern.length){
positions.push([pattern.substring(i), undefined]);
}
}
build(obj: any){
const tokens: Array<string> = [];
for(const tokenItem of this.#tokens){
const [beforeToken, key] = tokenItem;
tokens.push(beforeToken);
if(key !== undefined && key in obj){
tokens.push(obj[key]);
}
}
return tokens.join('');
}
}
const reg = /\:\w+/g;