@mando75/typeorm-graphql-loader/dist/lib/Formatter.js

A dataloader which intelligently selects/joins the fields/relations from your TypeORM entities needed to resolve a GraphQL query

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Formatter = void 0;
var __1 = require("..");
var StringUtils_1 = require("typeorm/util/StringUtils");
var Formatter = (function () {
    function Formatter(_namingStrategy) {
        this._namingStrategy = _namingStrategy;
        this._searchMethodMapping = new Map([
            [__1.LoaderSearchMethod.ANY_POSITION, function (text) { return "%".concat(text, "%"); }],
            [__1.LoaderSearchMethod.STARTS_WITH, function (text) { return "".concat(text, "%"); }],
            [__1.LoaderSearchMethod.ENDS_WITH, function (text) { return "%".concat(text); }],
        ]);
    }
    Formatter.prototype.columnSelection = function (alias, field) {
        return "".concat(alias, ".").concat(field);
    };
    Formatter.prototype.aliasField = function (alias, field) {
        switch (this._namingStrategy) {
            case __1.LoaderNamingStrategyEnum.SNAKECASE:
                return "".concat(alias, "_").concat((0, StringUtils_1.snakeCase)(field));
            case __1.LoaderNamingStrategyEnum.CAMELCASE:
                return "".concat(alias, "_").concat(field);
            default:
                return "".concat(alias, "_").concat(field);
        }
    };
    Formatter.prototype.getSearchMethodMapping = function (method, searchText) {
        return this._searchMethodMapping.get(method)(searchText);
    };
    Formatter.prototype.formatSearchColumns = function (searchColumns, alias, caseSensitive) {
        var _this = this;
        return searchColumns.map(function (field) {
            if (typeof field === "string") {
                var formattedColumnName = _this.columnSelection(alias, field);
                return caseSensitive
                    ? "".concat(formattedColumnName, " LIKE :searchText")
                    : "LOWER(".concat(formattedColumnName, ") LIKE LOWER(:searchText)");
            }
            else {
                var joinedFields = field
                    .map(function (item) { return _this.columnSelection(alias, item); })
                    .join(" || ' ' || ");
                return caseSensitive
                    ? "".concat(joinedFields, " LIKE :searchText")
                    : "LOWER(".concat(joinedFields, ") LIKE LOWER(:searchText)");
            }
        });
    };
    return Formatter;
}());
exports.Formatter = Formatter;
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