dynamodb-path

Convert an array path like ['x', '291', '2', 'beep', 283] to a string path like #x[291][2].#beep[283] suitable for DynamoDB UpdateExpressions.

example

var ddbPath = require('dynamodb-path')
var escape = (s) => '#' + s

var arr = ['x', '291', '2', 'beep', 283]
var str = ddbPath(arr, escape)

console.log(str) // #x[291][2].#beep[283]

api

ddbPath(path[, map])

Takes an array, returns a string. Will throw if path is invalid. If a map function is provided, it will be called for every string segment. You can use this mapper to escape segments and collect names for ExpressionAttributeNames.

install

With npm do:

npm install dynamodb-path

license

MIT © ironSource