typed-utilities/build/interpolate.js

Strongly typed general purpose utilities

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.interpolate = void 0;
const DEFAULT_INTERPOLATE_VARIABLE_PATTERN = /{([^{}]*)}/g;

const interpolate = ({
  template,
  variables,
  strict = false,
  pattern = DEFAULT_INTERPOLATE_VARIABLE_PATTERN
}) => template.split(pattern).map((part, index) => {
  if (index % 2 === 0) {
    return part;
  }

  const variable = variables[part];

  if (typeof variable === `undefined`) {
    if (strict) {
      throw new Error(`variable not found: '${part}'`);
    }

    return part;
  }

  return variable;
});

exports.interpolate = interpolate;
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