parjs/dist/internal/combinators/stringify.js

Library for building parsers using combinators.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.stringify = void 0;
const combinated_1 = require("../combinated");
const functions_1 = require("../functions");
const wrap_implicit_1 = require("../wrap-implicit");
class Str extends combinated_1.Combinated {
    constructor() {
        super(...arguments);
        this.type = "stringify";
        this.expecting = this.source.expecting;
    }
    _apply(ps) {
        this.source.apply(ps);
        if (!ps.isOk) {
            return;
        }
        const { value } = ps;
        const typeStr = typeof value;
        if (typeStr === "string") {
            return;
        }
        if (value === null || value === undefined) {
            ps.value = String(value);
        }
        else if (value instanceof Array) {
            ps.value = (0, functions_1.recJoin)(value);
        }
        else if (typeStr === "symbol") {
            ps.value = String(value).slice(7, -1);
        }
        else {
            ps.value = value.toString();
        }
    }
}
/** Applies the source parser and yields a stringified result. */
function stringify() {
    return source => new Str((0, wrap_implicit_1.wrapImplicit)(source));
}
exports.stringify = stringify;
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