Max van der Velde Posts

Max van der Velde

•Created by Max van der Velde on 8/3/2023 in #help

Importing `puppeteer-cluster` from esm.sh causes `does not provide an export named 'default'` error

When importing https://esm.sh/puppeteer-cluster@0.23.0 I get the following error:

error: Uncaught SyntaxError: The requested module '/v130/y18n@5.0.8/denonext/y18n.mjs' does not provide an export named 'default'
    at <anonymous> (https://esm.sh/v130/yargs@17.7.1/denonext/helpers.js:4:1997)

error: Uncaught SyntaxError: The requested module '/v130/y18n@5.0.8/denonext/y18n.mjs' does not provide an export named 'default'
    at <anonymous> (https://esm.sh/v130/yargs@17.7.1/denonext/helpers.js:4:1997)

I'm not sure how to reslove this, anyone have an idea? My code looks something like this:

import { Cluster } from "https://esm.sh/puppeteer-cluster@0.23.0";

const cluster = await Cluster.launch({
            concurrency: Cluster.CONCURRENCY_PAGE,
            maxConcurrency: 10,
});

// etc...

import { Cluster } from "https://esm.sh/puppeteer-cluster@0.23.0";

const cluster = await Cluster.launch({
            concurrency: Cluster.CONCURRENCY_PAGE,
            maxConcurrency: 10,
});

// etc...

1 replies

DDeno

•Created by Max van der Velde on 7/11/2023 in #help

Deno seems to assume wrong return type (Puppeteer)

With the following code, I get an type error which I do not expect:

const element: ElementHandle | null = await page.$('span.label-status');
const shouldBeString: string = await element?.$eval('a', (el): string => el.innerText);

const element: ElementHandle | null = await page.$('span.label-status');
const shouldBeString: string = await element?.$eval('a', (el): string => el.innerText);

On the shouldBeString I receive the following type error:

Type 'ElementHandle<any> | undefined' is not assignable to type 'string'.
  Type 'undefined' is not assignable to type 'string'.

Type 'ElementHandle<any> | undefined' is not assignable to type 'string'.
  Type 'undefined' is not assignable to type 'string'.

Even though $eval() returns any type: https://pptr.dev/api/puppeteer.page._eval Anyone have an idea how to fix this?

14 replies