Function snakeCaseToCamelCase

tools/js/generate-store-logic.js:22–23

const camelCaseToUpperSnakeCase = str => str.replace(/([A-Z])/g, '_$1').toUpperCase()
const snakeCaseToCamelCase = str =>
  str.replace(/([-_][a-z])/g, group => group.toUpperCase().replace('-', '').replace('_', ''))
const snakeCaseToPascalCase = str =>
  snakeCaseToCamelCase(str).replace(/(^[a-z])/g, group => group.toUpperCase())