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Code Issues Packages 1 Wiki Activity

refactor(ext/node): remove several TODOs (#15452)

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Bartek Iwańczuk 2022-08-11 16:44:01 +02:00 committed by GitHub
parent 2164f6b1eb
commit 10ce2e9e80
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1 changed files with 31 additions and 20 deletions
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51
ext/node/01_require.js
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@ -19,6 +19,7 @@
ObjectPrototypeHasOwnProperty,
ObjectSetPrototypeOf,
ObjectKeys,
ObjectPrototype,
ObjectCreate,
SafeMap,
SafeWeakMap,
@ -50,11 +51,6 @@
}
}
// TODO:
function isProxy() {
return false;
}
// TODO(bartlomieju): verify in other parts of this file that
// we have initialized the system before making APIs work
let cjsInitialized = false;
@ -200,7 +196,6 @@
function getExportsForCircularRequire(module) {
if (
module.exports &&
!isProxy(module.exports) &&
ObjectGetPrototypeOf(module.exports) === ObjectPrototype &&
// Exclude transpiled ES6 modules / TypeScript code because those may
// employ unusual patterns for accessing 'module.exports'. That should
@ -218,6 +213,13 @@
return module.exports;
}
function emitCircularRequireWarning(prop) {
processGlobal.emitWarning(
`Accessing non-existent property '${String(prop)}' of module exports ` +
"inside circular dependency",
);
}
// A Proxy that can be used as the prototype of a module.exports object and
// warns when non-existent properties are accessed.
const CircularRequirePrototypeWarningProxy = new Proxy({}, {
@ -226,9 +228,7 @@
// of transpiled code to determine whether something comes from an
// ES module, and is not used as a regular key of `module.exports`.
if (prop in target || prop === "__esModule") return target[prop];
// TODO:
// emitCircularRequireWarning(prop);
console.log("TODO: emitCircularRequireWarning");
emitCircularRequireWarning(prop);
return undefined;
},
@ -238,9 +238,7 @@
) {
return ObjectGetOwnPropertyDescriptor(target, prop);
}
// TODO:
// emitCircularRequireWarning(prop);
console.log("TODO: emitCircularRequireWarning");
emitCircularRequireWarning(prop);
return undefined;
},
});
@ -258,7 +256,6 @@
}
const builtinModules = [];
// TODO(bartlomieju): handle adding native modules
Module.builtinModules = builtinModules;
Module._extensions = Object.create(null);
@ -298,10 +295,7 @@
if (curPath && stat(curPath) < 1) continue;
if (!absoluteRequest) {
const exportsResolved = false;
// TODO:
console.log("TODO: Module._findPath resolveExports");
// const exportsResolved = resolveExports(curPath, request);
const exportsResolved = resolveExports(curPath, request);
if (exportsResolved) {
return exportsResolved;
}
@ -447,7 +441,6 @@
}
} else if (
module.exports &&
!isProxy(module.exports) &&
ObjectGetPrototypeOf(module.exports) ===
CircularRequirePrototypeWarningProxy
) {
@ -624,15 +617,33 @@
return `${Module.wrapper[0]}${script}${Module.wrapper[1]}`;
};
function enrichCJSError(error) {
if (error instanceof SyntaxError) {
if (
error.message.includes(
"Cannot use import statement outside a module",
) ||
error.message.includes("Unexpected token 'export'")
) {
console.error(
'To load an ES module, set "type": "module" in the package.json or use ' +
"the .mjs extension.",
);
}
}
}
function wrapSafe(
filename,
content,
_cjsModuleInstance,
cjsModuleInstance,
) {
const wrapper = Module.wrap(content);
const [f, err] = core.evalContext(wrapper, filename);
if (err) {
console.log("TODO: wrapSafe check if main module");
if (processGlobal.mainModule === cjsModuleInstance) {
enrichCJSError(err.thrown);
}
throw err.thrown;
}
return f;