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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 5x 5x 5x 5x 5x 5x 1x 1x 1x 1x 1x 1x 1x 1x 2x 2x 2x 2x 2x 1x 1x 1x 1x 1x 1x 1x 1x 1x 2x 2x 2x 2x 2x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 5x 5x 1x 1x 1x | const Json = require('./json.js'); const makeObject = require('./src/handlers/make/makeObject.js'); const isArrayNotEmpty = (value) => (Array.isArray(value) && value.length > 0); const isNoArray = (value) => (value !== undefined && !Array.isArray(value)); const validateValue = (value) => (isNoArray(value) || isArrayNotEmpty(value)); class Map { /** * Construct a map containing origin object, destination object and settings * @param {Object} origin - origin object, from where data should be obtained * @param {Object} destination - destination object, to where data should be mapped * @param {Object} settings object, currently only support for fatalErrorOnCreate, * if true, an arror will be thrown on translation if query is not met. */ constructor(origin, destination, settings) { const setting = makeObject(settings); this.originObject = new Json(origin); this.destinationObject = new Json(destination); this.fatalErrorOnCreate = setting.fatalErrorOnCreate; this.mapIfNotFound = setting.mapIfNotFound; } /** * Translate a single value into destination object. Query will stop after first match. * @param {String} originPath - path from where data should be obtained from origin object * @param {originPath} destinationPath - path to where data should be mapped into destination * object */ translate(originPath, destinationPath) { const value = this.originObject.get(originPath); if (this.mapIfNotFound || value !== undefined) { this.destinationObject.set(destinationPath, value, this.fatalErrorOnSet); } } /** * Translate all values into destination object. Destination will be an array with all results * from origin query. * @param {String} originPath - path from where data should be obtained from origin object * @param {originPath} destinationPath - path to where data should be mapped into destination * object */ translateAll(originPath, destinationPath) { const values = this.originObject.getAll(originPath); if (this.mapIfNotFound || validateValue(values)) { this.destinationObject.setAll(destinationPath, values, this.fatalErrorOnSet); } } /** * Translate single value into destination object. Destination will be the first matching value * from origin path, mapped into all qualified destinations. * @param {String} originPath - path from where data should be obtained from origin object * @param {originPath} destinationPath - path to where data should be mapped into destination * object */ translateOneToAll(originPath, destinationPath) { const value = this.originObject.get(originPath); if (this.mapIfNotFound || value !== undefined) { this.destinationObject.setAll(destinationPath, value, this.fatalErrorOnSet); } } /** * Translate all values into destination object. The single destination will be filled with an * array filled with all results from the originPath query. * @param {String} originPath - path from where data should be obtained from origin object * @param {originPath} destinationPath - path to where data should be mapped into destination * object */ translateAllToOne(originPath, destinationPath) { const values = this.originObject.getAll(originPath); if (this.mapIfNotFound || validateValue(values)) { this.destinationObject.set(destinationPath, values, this.fatalErrorOnSet); } } /** * Exports the destination object * @returns {Object} destination object */ export() { return this.destinationObject.object; } } module.exports = Map; |