ts-flex-query/expressions/function-application.js

Flexible and type-safe data queries

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.funcs = exports.FunctionApplicationExpression = void 0;
exports.func = func;
exports.isFunctionApplication = isFunctionApplication;
const lodash_1 = require("lodash");
const main_1 = require("../functions/main");
const evaluate_expression_1 = require("../helpers/evaluate-expression");
const utils_1 = require("../helpers/utils");
const data_type_1 = require("../types/data-type");
class FunctionApplicationExpression {
    constructor(container, member, args) {
        this.container = container;
        this.member = member;
        this.args = args;
        this.dataType = { type: data_type_1.DataTypeType.unknown };
    }
    evaluate(context) {
        return this.container[this.member](...this.args.map((arg) => (0, evaluate_expression_1.evaluateExpression)(arg, context)));
    }
}
exports.FunctionApplicationExpression = FunctionApplicationExpression;
function func(container, member, ...args) {
    return new FunctionApplicationExpression(container, member, args);
}
function createFunctionExpressionFactory(container, member) {
    return ((...args) => func(container, member, ...args));
}
function createFunctionExpressionFactories(container) {
    const relevantKeys = (0, main_1.getContainerFunctionKeys)(container);
    return (0, utils_1.createObjectFromArray)(relevantKeys, (key) => key, (key) => createFunctionExpressionFactory(container, key));
}
function createFunctionExpressionFactoriesForContainers(spec) {
    const factories = {};
    return (0, lodash_1.merge)(factories, ...Object.values(spec).map(createFunctionExpressionFactories));
}
exports.funcs = createFunctionExpressionFactoriesForContainers(main_1.publicFunctionContainers);
function isFunctionApplication(expr, container, member) {
    return expr instanceof FunctionApplicationExpression && expr.container === container && expr.member === member;
}
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