yayjarred/prepare-for-libuv

1 files changed, 47 insertions, 0 deletions

diff --git a/src/codegen/client-js.ts b/src/codegen/client-js.ts
new file mode 100644
index 000000000..4dfa6acf6
--- /dev/null
+++ b/src/codegen/client-js.ts
@@ -0,0 +1,47 @@
+// This is the implementation for $debug
+export function createLogClientJS(filepath: string, publicName: string) {
+  return `
+let $debug_log_enabled = ((env) => (
+  // The rationale for checking all these variables is just so you don't have to exactly remember which one you set.
+  (env.BUN_DEBUG_ALL && env.BUN_DEBUG_ALL !== '0')
+  || (env.BUN_DEBUG_JS && env.BUN_DEBUG_JS !== '0')
+  || (env.BUN_DEBUG_${filepath
+    .replace(/^.*?:/, "")
+    .split(/[-_./]/g)
+    .join("_")
+    .toUpperCase()})
+  || (env.DEBUG_${filepath
+    .replace(/^.*?:/, "")
+    .split(/[-_./]/g)
+    .join("_")
+    .toUpperCase()})
+))(Bun.env);
+let $debug_pid_prefix = Bun.env.SHOW_PID === '1';
+let $debug_log = $debug_log_enabled ? (...args) => {
+  // warn goes to stderr without colorizing
+  console.warn(($debug_pid_prefix ? \`[\${process.pid}] \` : '') + (Bun.enableANSIColors ? '\\x1b[90m[${publicName}]\\x1b[0m' : '[${publicName}]'), ...args);
+} : () => {};
+`;
+}
+
+export function createAssertClientJS(publicName: string) {
+  return `
+let $assert = function(check, sourceString, ...message) {
+  if (!check) {
+    const prevPrepareStackTrace = Error.prepareStackTrace;
+    Error.prepareStackTrace = (e, stack) => {
+      return e.name + ': ' + e.message + '\\n' + stack.slice(1).map(x => '  at ' + x.toString()).join('\\n');
+    };
+    const e = new Error(sourceString);
+    e.stack; // materialize stack
+    e.name = 'AssertionError';
+    Error.prepareStackTrace = prevPrepareStackTrace;
+    console.error('[${publicName}] ASSERTION FAILED: ' + sourceString);
+    if (message.length) console.warn(...message);
+    console.warn(e.stack.split('\\n')[1] + '\\n');
+    if (Bun.env.ASSERT === 'CRASH') process.exit(0xAA);
+    throw e;
+  }
+}
+`;
+}