diff options
Diffstat (limited to 'cli/emit.rs')
| -rw-r--r-- | cli/emit.rs | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/cli/emit.rs b/cli/emit.rs index 50d4eb821..35d6f1110 100644 --- a/cli/emit.rs +++ b/cli/emit.rs @@ -42,6 +42,13 @@ use std::result; use std::sync::Arc; use std::time::Instant; +const IGNORE_DIRECTIVES: &[&str] = &[ + "// deno-fmt-ignore-file", + "// deno-lint-ignore-file", + "// This code was bundled using `deno bundle` and it's not recommended to edit it manually", + "" +]; + /// Represents the "default" type library that should be used when type /// checking the code in the module graph. Note that a user provided config /// of `"lib"` would override this value. @@ -503,6 +510,7 @@ impl From<BundleType> for swc::bundler::ModuleType { pub(crate) struct BundleOptions { pub bundle_type: BundleType, pub ts_config: TsConfig, + pub emit_ignore_directives: bool, } /// A module loader for swc which does the appropriate retrieval and transpiling @@ -630,12 +638,21 @@ pub(crate) fn bundle( let mut srcmap = Vec::new(); { let cfg = swc::codegen::Config { minify: false }; - let wr = Box::new(swc::codegen::text_writer::JsWriter::new( + let mut wr = Box::new(swc::codegen::text_writer::JsWriter::new( cm.clone(), "\n", &mut buf, Some(&mut srcmap), )); + + if options.emit_ignore_directives { + // write leading comments in bundled file + use swc::codegen::text_writer::WriteJs; + use swc::common::source_map::DUMMY_SP; + let cmt = IGNORE_DIRECTIVES.join("\n") + "\n"; + wr.write_comment(DUMMY_SP, &cmt)?; + } + let mut emitter = swc::codegen::Emitter { cfg, cm: cm.clone(), |