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Don't patch Module without preload cache

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Fedor Indutny 2024-09-11 11:26:32 -07:00 committed by GitHub
parent 9687aee2ca
commit 390eab2556
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1 changed files with 52 additions and 50 deletions
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102
preload.wrapper.ts
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@ -71,59 +71,61 @@ const ModuleInternals = Module as unknown as {
_extensions: unknown;
};
const previousModuleCompile = ModuleInternals.prototype._compile;
ModuleInternals.prototype._compile = function _compile(
content: string,
filename: string
) {
if (filename !== srcPath) {
throw new Error(`Unexpected filename: ${filename}`);
}
if (cachedData || process.env.GENERATE_PRELOAD_CACHE) {
const previousModuleCompile = ModuleInternals.prototype._compile;
ModuleInternals.prototype._compile = function _compile(
content: string,
filename: string
) {
if (filename !== srcPath) {
throw new Error(`Unexpected filename: ${filename}`);
}
// Immediately restore
ModuleInternals.prototype._compile = previousModuleCompile;
// Immediately restore
ModuleInternals.prototype._compile = previousModuleCompile;
const require = (id: string) => {
return this.require(id);
const require = (id: string) => {
return this.require(id);
};
// https://github.com/nodejs/node/blob/v10.15.3/lib/internal/modules/cjs/helpers.js#L28
const resolve = (request: unknown, options: unknown) => {
return ModuleInternals._resolveFilename(request, this, false, options);
};
require.resolve = resolve;
resolve.paths = (request: unknown) => {
return ModuleInternals._resolveLookupPaths(request, this, true);
};
require.main = process.mainModule;
// Enable support to add extra extension types
require.extensions = ModuleInternals._extensions;
require.cache = ModuleInternals._cache;
const dir = dirname(filename);
const compiledWrapper = compile(filename, content);
// We skip the debugger setup because by the time we run, node has already
// done that itself.
// `Buffer` is included for Electron.
// See https://github.com/zertosh/v8-compile-cache/pull/10#issuecomment-518042543
const args = [
this.exports,
require,
this,
filename,
dir,
process,
global,
Buffer,
];
return compiledWrapper.apply(this.exports, args);
};
// https://github.com/nodejs/node/blob/v10.15.3/lib/internal/modules/cjs/helpers.js#L28
const resolve = (request: unknown, options: unknown) => {
return ModuleInternals._resolveFilename(request, this, false, options);
};
require.resolve = resolve;
resolve.paths = (request: unknown) => {
return ModuleInternals._resolveLookupPaths(request, this, true);
};
require.main = process.mainModule;
// Enable support to add extra extension types
require.extensions = ModuleInternals._extensions;
require.cache = ModuleInternals._cache;
const dir = dirname(filename);
const compiledWrapper = compile(filename, content);
// We skip the debugger setup because by the time we run, node has already
// done that itself.
// `Buffer` is included for Electron.
// See https://github.com/zertosh/v8-compile-cache/pull/10#issuecomment-518042543
const args = [
this.exports,
require,
this,
filename,
dir,
process,
global,
Buffer,
];
return compiledWrapper.apply(this.exports, args);
};
}
// eslint-disable-next-line import/no-dynamic-require
require(srcPath);