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45 lines
1.2 KiB
Rust
45 lines
1.2 KiB
Rust
// Copyright 2018-2025 the Deno authors. MIT license.
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use deno_ast::MediaType;
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use deno_ast::ModuleSpecifier;
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use deno_ast::ParseDiagnostic;
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use deno_core::op2;
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use crate::tools::lint;
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deno_core::extension!(deno_lint, ops = [op_lint_create_serialized_ast,],);
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#[derive(Debug, thiserror::Error, deno_error::JsError)]
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pub enum LintError {
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#[class(inherit)]
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#[error(transparent)]
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Io(#[from] std::io::Error),
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#[class(inherit)]
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#[error(transparent)]
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ParseDiagnostic(#[from] ParseDiagnostic),
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#[class(type)]
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#[error("Failed to parse path as URL: {0}")]
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PathParse(std::path::PathBuf),
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}
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#[op2]
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#[buffer]
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fn op_lint_create_serialized_ast(
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#[string] file_name: &str,
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#[string] source: String,
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) -> Result<Vec<u8>, LintError> {
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let file_text = deno_ast::strip_bom(source);
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let path = std::env::current_dir()?.join(file_name);
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let specifier = ModuleSpecifier::from_file_path(&path)
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.map_err(|_| LintError::PathParse(path))?;
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let media_type = MediaType::from_specifier(&specifier);
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let parsed_source = deno_ast::parse_program(deno_ast::ParseParams {
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specifier,
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text: file_text.into(),
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media_type,
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capture_tokens: false,
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scope_analysis: false,
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maybe_syntax: None,
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})?;
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Ok(lint::serialize_ast_to_buffer(&parsed_source))
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}
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