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Mini Shell
Mini Shell
'use strict';
const { runInNewContext, runInThisContext } = require('vm');
const { setFlagsFromString } = require('v8');
const { parentPort, workerData } = require('worker_threads');
const { ResourceLoader } = require(workerData.wptRunner);
const resource = new ResourceLoader(workerData.wptPath);
if (workerData.needsGc) {
// See https://github.com/nodejs/node/issues/16595#issuecomment-340288680
setFlagsFromString('--expose-gc');
globalThis.gc = runInNewContext('gc');
}
globalThis.self = global;
globalThis.GLOBAL = {
isWindow() { return false; },
isShadowRealm() { return false; },
};
globalThis.require = require;
// This is a mock for non-fetch tests that use fetch to resolve
// a relative fixture file.
// Actual Fetch API WPTs are executed in nodejs/undici.
globalThis.fetch = function fetch(file) {
return resource.readAsFetch(workerData.testRelativePath, file);
};
if (workerData.initScript) {
runInThisContext(workerData.initScript);
}
runInThisContext(workerData.harness.code, {
filename: workerData.harness.filename,
});
// eslint-disable-next-line no-undef
add_result_callback((result) => {
parentPort.postMessage({
type: 'result',
result: {
status: result.status,
name: result.name,
message: result.message,
stack: result.stack,
},
});
});
// Keep the event loop alive
const timeout = setTimeout(() => {
parentPort.postMessage({
type: 'completion',
status: { status: 2 },
});
}, 2 ** 31 - 1); // Max timeout is 2^31-1, when overflown the timeout is set to 1.
// eslint-disable-next-line no-undef
add_completion_callback((_, status) => {
clearTimeout(timeout);
parentPort.postMessage({
type: 'completion',
status,
});
});
for (const scriptToRun of workerData.scriptsToRun) {
runInThisContext(scriptToRun.code, { filename: scriptToRun.filename });
}
Zerion Mini Shell 1.0