A simple javascript/typescript library for renaming variables within string.

Why did I create this libray?

this library was created just solve a use case in another project. So you probrably won´t need to use this. But if not, feel free to use and modify this code.

Use example

replaceVariables(str: string, separator_pattern: string, values: Record<string, string>): string

import { replaceVariables, SeparatorPattern } from 'replace-variables'

const base_url = 'https://shop.com/product/[id]/details'

const url_with_id = replaceVariables(base_url, SeparatorPattern.Bracket, {
  id: 'my-id'
}) // => https://shop.com/product/my-id/details

replaceVariablesWithUsedValues(str: string, separator_pattern: string, variable_position, Record<string, string>): [string, Array<string>]

same replaceVariables but returns values that have been used

import { replaceVariablesWithUsedValues, SeparatorPattern } from 'replace-variables'

const base_url = 'https://shop.com/product/:id/details'

replaceVariablesWithUsedValues(base_url, SeparatorPattern.Colon, {
  id: 'my-id'
}) // => [https://shop.com/product/my-id?color=red&size=, [my-id]]

replaceVariableOnPosition(str: string, separator_pattern: string, variable_position: number, value: string): string

import { replaceVariableOnPosition, SeparatorPattern } from 'replace-variables'

const base_url = 'https://shop.com/product/my-id?color=&size='

replaceVariableOnPosition(base_url, SeparatorPattern.LikeUrlParameter, 1, 'red') // => https://shop.com/product/my-id?color=red&size=

replaceVariableOnPosition(base_url, SeparatorPattern.LikeUrlParameter, 2, 'large') // => https://shop.com/product/my-id?color=&size=large

Supported patterns

Colon :my-varaible

At @my-variable

LikeUrlParameter ?my-variable=

Parentheses (my-variable)

Braces {my-variable}

Brackets [my-variable]