breeze2-odata4/lib/decorators/custom-decorator.js

Library to allow OData 4 support for breezejs 2

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var breeze_client_1 = require("breeze-client");
var utilities_1 = require("../utilities");
var CustomDecorator = (function () {
    function CustomDecorator() {
        this.annotation = 'Custom';
    }
    CustomDecorator.prototype.decorate = function (expression, annotation) {
        var keys = Object.keys(annotation);
        breeze_client_1.core.arrayRemoveItem(keys, 'term', false);
        var valueKey = keys[0];
        var value = annotation[valueKey];
        var termParts = annotation.term.split('.');
        var startIndex = termParts.indexOf(this.annotation);
        var customPath = termParts.slice(startIndex + 1);
        if (!customPath.length) {
            return;
        }
        var dataType = utilities_1.getDataType(valueKey);
        var customValue = dataType.parse(value, 'string');
        expression.custom = expression.custom instanceof Object ? expression.custom : {};
        customPath.reduce(function (prev, curr, index, arr) {
            if (index < arr.length - 1) {
                prev[curr] = prev[curr] instanceof Object ? prev[curr] : {};
                return prev[curr];
            }
            else {
                prev[curr] = customValue;
                return prev;
            }
        }, expression.custom);
    };
    return CustomDecorator;
}());
exports.CustomDecorator = CustomDecorator;
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