azion/packages/unenv-preset/src/polyfills/node/internal/util/mime.js

Azion Packages for Edge Computing.

/* eslint-disable */
// https://nodejs.org/api/util.html#class-utilmimetype

export class MIMEType {
  __unenv__ = true;

  params = new MIMEParams();
  type;
  subtype;

  constructor(input) {
    const [essence = '', ...params] = String(input).split(';');
    const [type = '', subtype = ''] = essence.split('/');
    this.type = type;
    this.subtype = subtype;
    this.params = new MIMEParams();
    for (const param of params) {
      const [name, value] = param.split('=');
      this.params.set(name, value);
    }
  }

  get essence() {
    return this.type + '/' + this.subtype;
  }

  toString() {
    const paramsStr = this.params.toString();
    return this.essence + (paramsStr ? `;${paramsStr}` : '');
  }
}

// https://nodejs.org/api/util.html#util_class_util_mimeparams

export class MIMEParams extends Map {
  __unenv__ = true;

  get(name) {
    return super.get(name) || null;
  }

  toString() {
    return [...this.entries()].map(([name, value]) => `${name}=${value}`).join('&');
  }
}