yaml 2.1.4

yaml: ^2.1.4 copied to clipboard

Rewrite the parser for a 10x speed improvement.

Support anchors and aliases (&foo and *foo).

Support explicit tags (e.g. !!str). Note that user-defined tags are still not fully supported.

%YAML and %TAG directives are now parsed, although again user-defined tags are not fully supported.

YamlScalar, YamlList, and YamlMap now expose the styles in which they were written (for example plain vs folded, block vs flow).

A yamlWarningCallback field is exposed. This field can be used to customize how YAML warnings are displayed.

Fix an import in a test.

Widen the version constraint on the collection package.

Switch from source_maps' Span class to source_span's SourceSpan class.

For consistency with source_span and string_scanner, all sourceName parameters have been renamed to sourceUrl. They now accept Urls as well as Strings.

Fix broken type arguments that caused breakage on dart2js.

Fix an analyzer warning in yaml_node_wrapper.dart.

Add new publicly-accessible constructors for YamlNode subclasses. These constructors make it possible to use the same API to access non-YAML data as YAML data.

Make YamlException inherit from source_map's [SpanFormatException][]. This improves the error formatting and allows callers access to source range information.

Backwards incompatibility: The data structures returned by loadYaml and loadYamlStream are now immutable.

Backwards incompatibility: The interface of the YamlMap class has changed substantially in numerous ways. External users may no longer construct their own instances.

Maps and lists returned by loadYaml and loadYamlStream now contain information about their source locations.

A new loadYamlNode function returns the source location of top-level scalars as well.