sharp-mapper
Version:
JavaScript mapping module
77 lines (56 loc) • 2.54 kB
JavaScript
;
const _ = require('lodash');
const config = require('./config');
const ValueMapper = require('./src/ValueMapper');
const StructureMapper = require('./src/StructureMapper');
const removeUndefinedValues = function(object) {
return JSON.parse(JSON.stringify(object));
};
const format = function(mappedObject, removeUndefinedFlag) {
if(removeUndefinedFlag) {
mappedObject = removeUndefinedValues(mappedObject);
}
return mappedObject;
};
const structureMap = function(data, schema, removeUndefinedFlag) {
const structureMapper = new StructureMapper(config);
const mappedObject = structureMapper.map(data, schema, '');
return format(mappedObject, removeUndefinedFlag);
};
const valueMap = function(objectToMap, schema, removeUndefinedFlag) {
const valueMapper = new ValueMapper(config, schema);
const mappedObject = valueMapper.map(objectToMap, schema);
return format(mappedObject, removeUndefinedFlag);
};
const translatePaths = function(data, writtenPaths) {
if(!Array.isArray(writtenPaths)) throw new Error('Second argument in the translatePaths function must be an array');
const structureMapper = new StructureMapper(config);
let result = [];
writtenPaths.forEach(path => {
const actualPaths = structureMapper.changeWrittenPathToActualPaths(data, path);
result = result.concat(actualPaths);
});
return result;
};
const enforceArrays = function(data, writtenPaths) {
if(!Array.isArray(writtenPaths)) throw new Error('Second argument in the enforceArrays function must be an array');
const mappedData = _.cloneDeep(data);
writtenPaths.forEach(pathtoEnforceAsArr => {
const splittedPath = pathtoEnforceAsArr.split('.');
if(splittedPath.length === 1) {
const actualData = _.get(mappedData, pathtoEnforceAsArr);
if(actualData && !Array.isArray(actualData)) _.set(mappedData, pathtoEnforceAsArr, [actualData]);
return;
}
const parentPath = _.initial(splittedPath).join('.');
const child = _.last(splittedPath);
const actualParentsPaths = translatePaths(mappedData, [parentPath]);
actualParentsPaths.forEach(aParentpath => {
const finalPath = `${aParentpath}.${child}`;
const actualData = _.get(mappedData, finalPath);
if(actualData && !Array.isArray(actualData)) _.set(mappedData, finalPath, [actualData]);
});
});
return mappedData;
};
module.exports = { structureMap, valueMap, translatePaths, enforceArrays };