rawsql-ts
Version:
[beta]High-performance SQL parser and AST analyzer written in TypeScript. Provides fast parsing and advanced transformation capabilities.
20 lines • 744 B
JavaScript
import { ParameterExpression } from "../models/ValueComponent";
export class ParameterExpressionParser {
static parseFromLexeme(lexemes, index) {
let idx = index;
let paramName = lexemes[idx].value;
// Normalize parameter: Remove the parameter symbol and extract the parameter name.
if (paramName.startsWith('${') && paramName.endsWith('}')) {
// ${name} → name
paramName = paramName.slice(2, -1);
}
else {
// :name → name
paramName = paramName.slice(1);
}
const value = new ParameterExpression(paramName);
idx++;
return { value, newIndex: idx };
}
}
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