parjs/dist/internal/parsers/eof.js

Library for building parsers using combinators.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.eof = void 0;
const parser_1 = require("../parser");
const result_1 = require("../result");
class Eof extends parser_1.ParjserBase {
    constructor(result) {
        super();
        this.result = result;
        this.type = "eof";
        this.expecting = "expecting end of input";
    }
    _apply(ps) {
        if (ps.position === ps.input.length) {
            ps.kind = result_1.ResultKind.Ok;
            ps.value = this.result;
        }
        else {
            ps.kind = result_1.ResultKind.SoftFail;
        }
    }
}
/**
 * Returns a parser that succeeds if there is no more input.
 *
 * @param result Optionally, the result the parser will yield. Defaults to undefined.
 */
function eof(result) {
    return new Eof(result);
}
exports.eof = eof;
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