@jplorg/jpl/lib/applyDefaults.js

JPL interpreter

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
/** Apply the specified defaults to the config */
function applyDefaults(config, defaults, ...strictPaths) {
  const iter = (c, d, s) => {
    if (Array.isArray(c)) return c;
    if (typeof c === 'object') {
      if (c === null || Array.isArray(d) || typeof d !== 'object' || d === null) return c;
      const result = {
        ...c
      };
      const isStrict = s.some(entry => entry.length === 0);
      Object.keys({
        ...c,
        ...d
      }).forEach(key => {
        if (isStrict) {
          if (!Object.hasOwn(result, key)) result[key] = d[key];
        } else {
          result[key] = iter(result[key], d[key], s.filter(entry => entry[0] === key).map(entry => entry.slice(1)));
        }
        if (result[key] === undefined) delete result[key];
      });
      return result;
    }
    return c === undefined ? d : c;
  };
  return iter(config, defaults, strictPaths.map(path => typeof path === 'string' ? path.split('.') : path));
}
var _default = exports.default = applyDefaults;