Automatically install npm packages when running a script in Bun's runtime (#1459)

* Update bundler.zig

* WIP

* Update README.md

* Update README.md

* wip

* Support running scripts without package.json

* Add `--no-auto-install` and `--prefer-offline` flags

* WIP

* wip

* Update headers-handwritten.h

* WIP

* Build fixes

* Fix UAF

* Update install.zig

* Must call .allocate()

* Micro-optimization: only call .timestamp() once per tick when installing packages

* Support progress bar

* Extend the timestamp for package staleness checks to 1 day

* Add `--prefer-latest`, `-i` CLI Flags

* Fix crash

* Support line text manually being set on an Error instance

* Add a few more fields for error messages

* Fix bug when counting 8 character strings in string builder

* Implement error handling for automatic package installs!

* Fix crash

* Make it say module when there's a slash

* Update module_loader.zig

* Ban dependency versions in import specifiers when a package.json is present

* Remove unused field

* Update README.md

* Update README.md

* Update README.md

* Update README.md

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>

1 files changed, 13 insertions, 3 deletions

diff --git a/src/bun.js/bindings/bindings.cpp b/src/bun.js/bindings/bindings.cpp
index 65c2c458f..cc6c237ed 100644
--- a/src/bun.js/bindings/bindings.cpp
+++ b/src/bun.js/bindings/bindings.cpp
@@ -2419,12 +2419,22 @@ static void fromErrorInstance(ZigException* except, JSC::JSGlobalObject* global,
         if (JSC::JSValue sourceURL = obj->getIfPropertyExists(global, global->vm().propertyNames->sourceURL)) {
             except->stack.frames_ptr[0].source_url = Zig::toZigString(sourceURL, global);
 
+            if (JSC::JSValue column = obj->getIfPropertyExists(global, global->vm().propertyNames->column)) {
+                except->stack.frames_ptr[0].position.column_start = column.toInt32(global);
+            }
+
             if (JSC::JSValue line = obj->getIfPropertyExists(global, global->vm().propertyNames->line)) {
                 except->stack.frames_ptr[0].position.line = line.toInt32(global);
-            }
 
-            if (JSC::JSValue column = obj->getIfPropertyExists(global, global->vm().propertyNames->column)) {
-                except->stack.frames_ptr[0].position.column_start = column.toInt32(global);
+                if (JSC::JSValue lineText = obj->getIfPropertyExists(global, JSC::Identifier::fromString(global->vm(), "lineText"_s))) {
+                    if (JSC::JSString* jsStr = lineText.toStringOrNull(global)) {
+                        auto str = jsStr->value(global);
+                        except->stack.source_lines_ptr[0] = Zig::toZigString(str);
+                        except->stack.source_lines_numbers[0] = except->stack.frames_ptr[0].position.line;
+                        except->stack.source_lines_len = 1;
+                        except->remapped = true;
+                    }
+                }
             }
             except->stack.frames_len = 1;
         }