interpolatePath.ts

export const interpolatePath = (
  path: string,
  variables: Record<string, string>
) => {
  const reg = "[[a-zA-Z]+]";

  const exp = new RegExp(reg, "g");
  const parameters = path.match(exp);
  const pathSpitted = path.split("/");

  return pathSpitted
    .map((pathS) => {
      if (!parameters) {
        return pathS;
      }
      const index = parameters.indexOf(pathS);

      if (index < 0) {
        return pathS;
      }

      const parameterAsVariablesKey = R_prop(index, parameters).slice(1, -1);
      const variableToInterpolateString = R_prop(
        parameterAsVariablesKey,
        variables
      );

      if (!variableToInterpolateString) {
        throw new Error(
          `interpolatePath Error: you forget to pass ${parameterAsVariablesKey}`
        );
      }

      return variableToInterpolateString;
    })
    .join("/");
};