parjs/internal/combinators/combinator.js

A parser-combinator library for JavaScript.

"use strict";
/** @module parjs/internal */ /** */
Object.defineProperty(exports, "__esModule", { value: true });
const scalar_converter_1 = require("../scalar-converter");
/**
 * Represents the given function as a Parjs combinator.
 * @param f The combinator function.
 */
function defineCombinator(f) {
    return (x) => {
        let resolved = scalar_converter_1.ScalarConverter.convert(x);
        return f(resolved);
    };
}
exports.defineCombinator = defineCombinator;
function composeCombinator(...fs) {
    return x => {
        let last = x;
        for (let f of fs) {
            last = f(last);
        }
        return last;
    };
}
exports.composeCombinator = composeCombinator;
function pipe(source, ...funcs) {
    let last = scalar_converter_1.ScalarConverter.convert(source);
    for (let func of funcs) {
        last = func(last);
    }
    return last;
}
exports.pipe = pipe;

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