vendor tsgo

tools/tsgo/internal/printer/generatedidentifierflags.go

@@ -0,0 +1,57 @@
+package printer
+
+type GeneratedIdentifierFlags int
+
+const (
+	// Kind
+
+	GeneratedIdentifierFlagsNone     = iota // Not automatically generated.
+	GeneratedIdentifierFlagsAuto            // Automatically generated identifier.
+	GeneratedIdentifierFlagsLoop            // Automatically generated identifier with a preference for '_i'.
+	GeneratedIdentifierFlagsUnique          // Unique name based on the 'text' property.
+	GeneratedIdentifierFlagsNode            // Unique name based on the node in the 'Node' property.
+	GeneratedIdentifierFlagsKindMask = 7    // Mask to extract the kind of identifier from its flags.
+
+	// Flags
+
+	GeneratedIdentifierFlagsReservedInNestedScopes = 1 << 3 // Reserve the generated name in nested scopes
+	GeneratedIdentifierFlagsOptimistic             = 1 << 4 // First instance won't use '_#' if there's no conflict
+	GeneratedIdentifierFlagsFileLevel              = 1 << 5 // Use only the file identifiers list and not generated names to search for conflicts
+	GeneratedIdentifierFlagsAllowNameSubstitution  = 1 << 6 // Used by `module.ts` to indicate generated nodes which can have substitutions performed upon them (as they were generated by an earlier transform phase)
+)
+
+func (f GeneratedIdentifierFlags) Kind() GeneratedIdentifierFlags {
+	return f & GeneratedIdentifierFlagsKindMask
+}
+
+func (f GeneratedIdentifierFlags) IsAuto() bool {
+	return f.Kind() == GeneratedIdentifierFlagsAuto
+}
+
+func (f GeneratedIdentifierFlags) IsLoop() bool {
+	return f.Kind() == GeneratedIdentifierFlagsLoop
+}
+
+func (f GeneratedIdentifierFlags) IsUnique() bool {
+	return f.Kind() == GeneratedIdentifierFlagsUnique
+}
+
+func (f GeneratedIdentifierFlags) IsNode() bool {
+	return f.Kind() == GeneratedIdentifierFlagsNode
+}
+
+func (f GeneratedIdentifierFlags) IsReservedInNestedScopes() bool {
+	return f&GeneratedIdentifierFlagsReservedInNestedScopes != 0
+}
+
+func (f GeneratedIdentifierFlags) IsOptimistic() bool {
+	return f&GeneratedIdentifierFlagsOptimistic != 0
+}
+
+func (f GeneratedIdentifierFlags) IsFileLevel() bool {
+	return f&GeneratedIdentifierFlagsFileLevel != 0
+}
+
+func (f GeneratedIdentifierFlags) HasAllowNameSubstitution() bool {
+	return f&GeneratedIdentifierFlagsAllowNameSubstitution != 0
+}