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further progress with the web-scrape tutorial

This commit is contained in:
Robyn Drake 2023-04-30 13:53:05 -05:00
parent 36ce21208c
commit c0bb4627f1
1 changed files with 10 additions and 3 deletions
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13
src/web-scrape/src/scrape.cjs
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@ -6,12 +6,19 @@ but using PouchDB
const PouchDB = require("pouchdb");
const {Worker, isMainThread} = require("worker-thread");
const { Worker, isMainThread, parentPort } = require("worker_threads");
const db = new PouchDB("scrape");
if( isMainThread ) {
new Worker(__filename);
const worker = new Worker(__filename);
worker.once("message", (message) => {
console.log(message);
});
worker.postMessage("Main Thread: Hi!");
} else {
console.log("Worker says: Hello World!");
parentPort.once("message", (message) => {
console.log(message); //prints "Main Thread: Hi!"
parentPort.postMessage("Worker thread: Hello!");
});
}