@mistlog/typetype/build/src/parser/function/function.js

A programming language designed for typescript type generation

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.FunctionTypeParam = exports.FunctionTypeParamList = exports.FunctionType = void 0;
const react_peg_1 = require("react-peg");
const common_1 = require("../common");
const basic_1 = require("../basic");
const expression_1 = require("../expression");
function FunctionType() {
    const action = ({ params, returnType, typeParams, isConstructor }) => {
        const type = {
            kind: "FunctionType",
            params,
            returnType
        };
        if (typeParams) {
            type.typeParams = typeParams;
        }
        if (isConstructor) {
            type.isConstructor = true;
        }
        return type;
    };
    return (react_peg_1.ReactPeg.createChunk("pattern", { action: action },
        common_1.Text("type"),
        react_peg_1.ReactPeg.createChunk("opt", { label: "isConstructor" }, common_1.Text("new")),
        react_peg_1.ReactPeg.createChunk(common_1._, null),
        react_peg_1.ReactPeg.createChunk("opt", { label: "typeParams" },
            react_peg_1.ReactPeg.createChunk("pattern", { action: ({ typeParams }) => typeParams },
                common_1.Text("<"),
                react_peg_1.ReactPeg.createChunk(expression_1.ParamList, { label: "typeParams" }),
                react_peg_1.ReactPeg.createChunk("text", null, ">"))),
        react_peg_1.ReactPeg.createChunk("text", null, "("),
        react_peg_1.ReactPeg.createChunk(common_1._, null),
        react_peg_1.ReactPeg.createChunk(FunctionTypeParamList, { label: "params" }),
        common_1.Text(")"),
        common_1.Text("=>"),
        react_peg_1.ReactPeg.createChunk(expression_1.TypeExpression, { label: "returnType" })));
}
exports.FunctionType = FunctionType;
function FunctionTypeParamList() {
    const action = ({ head, tail }) => {
        return head ? [head, ...tail] : [];
    };
    return (react_peg_1.ReactPeg.createChunk("pattern", { action: action },
        react_peg_1.ReactPeg.createChunk("opt", { label: "head" },
            react_peg_1.ReactPeg.createChunk(FunctionTypeParam, null)),
        react_peg_1.ReactPeg.createChunk("repeat", { type: "*", label: "tail" },
            react_peg_1.ReactPeg.createChunk("pattern", { action: ({ param }) => param },
                common_1.Text(","),
                react_peg_1.ReactPeg.createChunk(FunctionTypeParam, { label: "param" })))));
}
exports.FunctionTypeParamList = FunctionTypeParamList;
function FunctionTypeParam() {
    const action = ({ name, type, rest, optional }) => {
        const param = {
            kind: "FunctionTypeParam",
            name,
            type
        };
        if (rest) {
            param.rest = true;
        }
        if (optional) {
            param.optional = true;
        }
        return param;
    };
    return (react_peg_1.ReactPeg.createChunk("pattern", { action: action },
        react_peg_1.ReactPeg.createChunk(common_1._, null),
        react_peg_1.ReactPeg.createChunk("opt", { label: "rest" },
            react_peg_1.ReactPeg.createChunk("text", null, "...")),
        react_peg_1.ReactPeg.createChunk(basic_1.Identifier, { label: "name" }),
        react_peg_1.ReactPeg.createChunk("opt", { label: "optional" }, common_1.Text("?")),
        react_peg_1.ReactPeg.createChunk("opt", { label: "type" },
            react_peg_1.ReactPeg.createChunk("pattern", { action: ({ expression }) => expression },
                common_1.Text(":"),
                react_peg_1.ReactPeg.createChunk(expression_1.TypeExpression, { label: "expression" }))),
        react_peg_1.ReactPeg.createChunk(common_1._, null)));
}
exports.FunctionTypeParam = FunctionTypeParam;