ts-flex-query/operators/basic/map.js

Flexible and type-safe data queries

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MapOperator = void 0;
exports.map = map;
const map_1 = require("../../expressions/map");
const variable_1 = require("../../expressions/variable");
const object_value_selector_1 = require("../../helpers/object-value-selector");
const data_type_1 = require("../../types/data-type");
class MapOperator {
    constructor(mapper) {
        this.mapper = mapper;
    }
    instantiate(input) {
        const variableSymbol = Symbol('vMap');
        const variableType = input.dataType.type === data_type_1.DataTypeType.array
            ? input.dataType.elementType
            : { type: data_type_1.DataTypeType.unknown };
        const variableExpression = (0, variable_1.variable)(variableType, variableSymbol);
        return new map_1.MapExpression(input, variableSymbol, this.mapper(variableExpression));
    }
}
exports.MapOperator = MapOperator;
function map(selector) {
    return new MapOperator((input) => (0, object_value_selector_1.createQueryFromObjectValueSelector)(selector).instantiate(input));
}
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