rawsql-ts/dist/parsers/JoinOnClauseParser.js

[beta]High-performance SQL parser and AST analyzer written in TypeScript. Provides fast parsing and advanced transformation capabilities.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.JoinOnClauseParser = void 0;
const Clause_1 = require("../models/Clause");
const ValueParser_1 = require("./ValueParser");
class JoinOnClauseParser {
    static tryParse(lexemes, index) {
        let idx = index;
        if (idx < lexemes.length && lexemes[idx].value === 'on') {
            idx++; // Skip 'on' keyword
            // Parse the condition expression
            const condition = ValueParser_1.ValueParser.parseFromLexeme(lexemes, idx);
            idx = condition.newIndex;
            const joinOn = new Clause_1.JoinOnClause(condition.value);
            return { value: joinOn, newIndex: idx };
        }
        return null;
    }
}
exports.JoinOnClauseParser = JoinOnClauseParser;
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