crawler-ts-fetch
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Lightweight crawler written in TypeScript using ES6 generators.
21 lines (20 loc) • 1.06 kB
JavaScript
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
import fetch from 'node-fetch';
export { Response } from 'node-fetch';
function delay(milliseconds) {
return new Promise((resolve) => setTimeout(resolve, milliseconds));
}
export function createRequester(delayMilliseconds = 50) {
return (href) => __awaiter(this, void 0, void 0, function* () {
yield delay(delayMilliseconds);
return fetch(href);
});
}