Struct SourceMapBuilder 

pub struct SourceMapBuilder { /* private fields */ }

Builder for incrementally constructing a SourceMap from iterators.

Avoids the need to pre-collect sources, names, and mappings into Vecs. Delegates to SourceMap::from_parts internally.

Implementations

impl SourceMapBuilder

pub fn new() -> Self

Create an empty source map builder.

pub fn file(self, file: impl Into<String>) -> Self

Set the generated file name.

pub fn source_root(self, root: impl Into<String>) -> Self

Set the source root prefix.

pub fn sources( self, sources: impl IntoIterator<Item = impl Into<String>>, ) -> Self

Replace the source list.

pub fn sources_content( self, content: impl IntoIterator<Item = Option<impl Into<String>>>, ) -> Self

Replace the source content list. Entries are parallel to sources.

pub fn names(self, names: impl IntoIterator<Item = impl Into<String>>) -> Self

Replace the name list.

pub fn mappings(self, mappings: impl IntoIterator<Item = Mapping>) -> Self

Replace the decoded mapping list.

Mappings must be sorted by (generated_line, generated_column).

pub fn ignore_list(self, list: impl IntoIterator<Item = u32>) -> Self

Replace the ignore-list source indices.

pub fn debug_id(self, id: impl Into<String>) -> Self

Set the source map debug ID.

pub fn scopes(self, scopes: ScopeInfo) -> Self

Set ECMA-426 scopes data.

pub fn extension(self, key: impl Into<String>, value: Value) -> Self

Add one extension field.

Only x_ and x- extension keys are retained in the built SourceMap, matching JSON parsing behavior.

pub fn extensions<K, I>(self, extensions: I) -> Self

where K: Into<String>, I: IntoIterator<Item = (K, Value)>,

Replace extension fields.

Only x_ and x- extension keys are retained in the built SourceMap, matching JSON parsing behavior.

pub fn build(self) -> SourceMap

Consume the builder and produce a SourceMap.

Mappings must be sorted by (generated_line, generated_column).

Trait Implementations

impl Default for SourceMapBuilder

fn default() -> Self

Returns the “default value” for a type.