Auto-Generation of Node "Factory" Functions #3762
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rbuckton
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This adds a
processTypes.tsscript that can be used to create afactory.generated.tsfile, which contains functions for creating, updating, and testing TypeScript AST nodes.The
processTypes.tsscript uses the LKG version of TypeScript to parse and reason over thesrc/compiler/types.tsfile. Output is controlled through the use of annotation-like comments (similar to@internal):Annotations on Interface/Type Alias declarations
// @kind(SyntaxKind)- Marks a type declaration as the type for the syntax kind.// @factoryparam(string)- Marks a property, by name, that will be included in the parameter list for a create function, but not its associated update function.// @factoryhidden(boolean)- Marks the entire type as either hidden (not included in the set of generated factory functions), or visible.// @factoryhidden(string, boolean)- Marks a property, by name, that will be either hidden or visible.// @factoryorder(...string)- Controls order of parameters to the create or update functions.Annotations on a property of an interface
// @factoryparam- Marks the property as a parameter to the create function, but not the update function.// @factoryhidden(boolean)- Marks the property as either hidden or visible.