refactor(runtime): Worker bootstrap options (#12299)

1 files changed, 48 insertions, 0 deletions

diff --git a/runtime/worker_bootstrap.rs b/runtime/worker_bootstrap.rs
new file mode 100644
index 000000000..9bd519d73
--- /dev/null
+++ b/runtime/worker_bootstrap.rs
@@ -0,0 +1,48 @@
+use crate::ops::runtime::ppid;
+use deno_core::serde_json;
+use deno_core::serde_json::json;
+use deno_core::ModuleSpecifier;
+
+/// Common bootstrap options for MainWorker & WebWorker
+#[derive(Clone)]
+pub struct BootstrapOptions {
+  /// Sets `Deno.args` in JS runtime.
+  pub args: Vec<String>,
+  pub apply_source_maps: bool,
+  pub cpu_count: usize,
+  pub debug_flag: bool,
+  pub enable_testing_features: bool,
+  pub location: Option<ModuleSpecifier>,
+  /// Sets `Deno.noColor` in JS runtime.
+  pub no_color: bool,
+  /// Sets `Deno.version.deno` in JS runtime.
+  pub runtime_version: String,
+  /// Sets `Deno.version.typescript` in JS runtime.
+  pub ts_version: String,
+  pub unstable: bool,
+}
+
+impl BootstrapOptions {
+  pub fn as_json(&self) -> String {
+    let payload = json!({
+      // Shared bootstrap args
+      "args": self.args,
+      "applySourceMaps": self.apply_source_maps,
+      "cpuCount": self.cpu_count,
+      "debugFlag": self.debug_flag,
+      "denoVersion": self.runtime_version,
+      "location": self.location,
+      "noColor": self.no_color,
+      "tsVersion": self.ts_version,
+      "unstableFlag": self.unstable,
+      // Web worker only
+      "enableTestingFeaturesFlag": self.enable_testing_features,
+      // Env values
+      "pid": std::process::id(),
+      "ppid": ppid(),
+      "target": env!("TARGET"),
+      "v8Version": deno_core::v8_version(),
+    });
+    serde_json::to_string_pretty(&payload).unwrap()
+  }
+}