ts-flex-query/expressions/flat-map.js

Flexible and type-safe data queries

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.FlatMapExpression = void 0;
const lodash_1 = require("lodash");
const evaluate_expression_1 = require("../helpers/evaluate-expression");
const evaluation_context_utils_1 = require("../helpers/evaluation-context-utils");
class FlatMapExpression {
    constructor(input, variableSymbol, body) {
        this.input = input;
        this.variableSymbol = variableSymbol;
        this.body = body;
        this.dataType = body.dataType;
    }
    evaluate(context) {
        const inputValue = (0, evaluate_expression_1.evaluateExpression)(this.input, context);
        const elementsResult = Array.isArray(inputValue)
            ? inputValue.map((element) => this.evaluateInnerArray((0, evaluation_context_utils_1.addVariable)(context, this.variableSymbol, element)))
            : [];
        return (0, lodash_1.flatten)(elementsResult);
    }
    evaluateInnerArray(context) {
        const result = (0, evaluate_expression_1.evaluateExpression)(this.body, context);
        return result;
    }
}
exports.FlatMapExpression = FlatMapExpression;
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