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refactor(ext/node): use a snapshottable global name for Node's globalThis (#18860)
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parent
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commit
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3 changed files with 17 additions and 18 deletions
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@ -341,7 +341,7 @@ fn esm_code_from_top_level_decls(
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}
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let mut result = String::new();
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let global_this_expr = NODE_GLOBAL_THIS_NAME.as_str();
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let global_this_expr = NODE_GLOBAL_THIS_NAME;
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let global_this_expr = if has_global_this {
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global_this_expr
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} else {
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@ -506,10 +506,9 @@ mod tests {
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"export const x = 1;",
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&HashSet::from(["x".to_string()]),
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);
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assert!(r.contains(&format!(
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"var globalThis = {};",
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NODE_GLOBAL_THIS_NAME.as_str()
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)));
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assert!(
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r.contains(&format!("var globalThis = {};", NODE_GLOBAL_THIS_NAME,))
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);
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assert!(r.contains("var process = globalThis.process;"));
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assert!(r.contains("export const x = 1;"));
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}
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@ -533,7 +532,7 @@ mod tests {
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"var setTimeout = globalThis.setTimeout;\n",
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"export const x = 1;"
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),
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NODE_GLOBAL_THIS_NAME.as_str(),
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NODE_GLOBAL_THIS_NAME,
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)
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);
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}
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10
ext/node/build.rs
Normal file
10
ext/node/build.rs
Normal file
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@ -0,0 +1,10 @@
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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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fn main() {
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// we use a changing variable name to make it harder to depend on this
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let crate_version = env!("CARGO_PKG_VERSION");
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println!(
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"cargo:rustc-env=NODE_GLOBAL_THIS_NAME=__DENO_NODE_GLOBAL_THIS_{}__",
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crate_version.replace('.', "_")
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);
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}
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@ -169,15 +169,7 @@ pub trait NpmResolver: std::fmt::Debug + Send + Sync {
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) -> Result<(), AnyError>;
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}
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pub static NODE_GLOBAL_THIS_NAME: Lazy<String> = Lazy::new(|| {
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let now = std::time::SystemTime::now();
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let seconds = now
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.duration_since(std::time::SystemTime::UNIX_EPOCH)
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.unwrap()
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.as_secs();
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// use a changing variable name to make it hard to depend on this
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format!("__DENO_NODE_GLOBAL_THIS_{seconds}__")
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});
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pub const NODE_GLOBAL_THIS_NAME: &str = env!("NODE_GLOBAL_THIS_NAME");
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pub static NODE_ENV_VAR_ALLOWLIST: Lazy<HashSet<String>> = Lazy::new(|| {
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// The full list of environment variables supported by Node.js is available
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@ -557,9 +549,7 @@ pub fn initialize_runtime(
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argv0
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);
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}})('{}', {}, {});"#,
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NODE_GLOBAL_THIS_NAME.as_str(),
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uses_local_node_modules_dir,
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argv0
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NODE_GLOBAL_THIS_NAME, uses_local_node_modules_dir, argv0
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);
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js_runtime.execute_script(located_script_name!(), source_code.into())?;
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