feat(templ): ✨ added templ to command line that reads go template and outputs code

pkg/commontypes/typescript.go

@@ -0,0 +1,75 @@
+package commontypes
+
+// TypeScriptTypeMap maps PostgreSQL types to TypeScript types
+var TypeScriptTypeMap = map[string]string{
+	// Integer types
+	"integer":     "number",
+	"int":         "number",
+	"int4":        "number",
+	"smallint":    "number",
+	"int2":        "number",
+	"bigint":      "number",
+	"int8":        "number",
+	"serial":      "number",
+	"bigserial":   "number",
+	"smallserial": "number",
+
+	// String types
+	"text":      "string",
+	"varchar":   "string",
+	"char":      "string",
+	"character": "string",
+	"citext":    "string",
+	"bpchar":    "string",
+	"uuid":      "string",
+
+	// Boolean
+	"boolean": "boolean",
+	"bool":    "boolean",
+
+	// Float types
+	"real":             "number",
+	"float4":           "number",
+	"double precision": "number",
+	"float8":           "number",
+	"numeric":          "number",
+	"decimal":          "number",
+
+	// Date/Time types
+	"timestamp":                   "Date",
+	"timestamp without time zone": "Date",
+	"timestamp with time zone":    "Date",
+	"timestamptz":                 "Date",
+	"date":                        "Date",
+	"time":                        "Date",
+	"time without time zone":      "Date",
+	"time with time zone":         "Date",
+	"timetz":                      "Date",
+
+	// Binary
+	"bytea": "Buffer",
+
+	// JSON
+	"json":  "any",
+	"jsonb": "any",
+
+	// Array
+	"array": "any[]",
+}
+
+// SQLToTypeScript converts SQL types to TypeScript types
+func SQLToTypeScript(sqlType string, nullable bool) string {
+	baseType := ExtractBaseType(sqlType)
+
+	tsType, ok := TypeScriptTypeMap[baseType]
+	if !ok {
+		tsType = "any"
+	}
+
+	// Handle nullable types
+	if nullable {
+		return tsType
+	}
+
+	return tsType + " | null"
+}