worker-transfer-data/tsconfig.json

{
    "compilerOptions": {
        "module": "commonjs",
        "target": "es2017",
        "lib": [
            "ScriptHost",
            "DOM",
            "ES2015",
            "ES2016",
            "ES2017",
            "ES2018",
            "ES2019",
            "ES2020",
            "ES2021",
            "ESNext"
        ],
        "types": ["jest", "node", "@types/jest", "@types/offscreencanvas"],
        "sourceMap": true,
        "typeRoots" : ["./src/define"],
        "downlevelIteration": true,
        "esModuleInterop": true,
        "experimentalDecorators": true
    }
}