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ankiconnect

A simple implementation of AnkiConnect client, with TypeScript typing (using // @ts-check in an IME.)

Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://updategreasyfork.deno.dev/scripts/452285/1099556/ankiconnect.js 

class AnkiConnect {
  baseURL;
  version;

  constructor(baseURL = 'http://localhost:8765', version = 6) {
    this.baseURL = baseURL;
    this.version = version;
  }

  async send(action, params, version = this.version) {
    return new Promise((resolve, reject) => {
      const xhr = new XMLHttpRequest();
      xhr.addEventListener('error', () => reject('failed to issue request'));
      xhr.addEventListener('load', () => {
        try {
          const response = JSON.parse(xhr.responseText);
          if (Object.getOwnPropertyNames(response).length != 2) {
            throw 'response has an unexpected number of fields';
          }
          if (!response.hasOwnProperty('error')) {
            throw 'response is missing required error field';
          }
          if (!response.hasOwnProperty('result')) {
            throw 'response is missing required result field';
          }
          if (response.error) {
            throw response.error;
          }
          resolve(response.result);
        } catch (e) {
          reject(e);
        }
      });

      xhr.open('POST', this.baseURL);
      xhr.send(JSON.stringify({ action, version, params }));
    });
  }

  chain(action, params, version = this.version) {
    const actions = [{ action, params }];

    const chainable = {
      commit: async () => {
        if (actions.length > 1) {
          return this.send('multi', { actions }, version);
        }

        return this.send(action, params, version);
      },
      add: async (action, params) => {
        actions.push({ action, params });
        return chainable;
      },
    };

    return chainable;
  }
}