Function getIndicator

src/miscRequests.js:278–351

* Get an indicator * @function getIndicator * @param {string} id Indicator ID (Like: PUB;XXXXXXXXXXXXXXXXXXXXX) * @param {'last' | string} [version] Wanted version of the indicator * @param {string} [session] User 'sessionid' cookie * @param {string} [signature] User 'sessionid_sign'

(id, version = 'last', session = '', signature = '')

   * @returns {Promise<PineIndicator>} Indicator
   */
  async getIndicator(id, version = 'last', session = '', signature = '') {
    const indicID = id.replace(/ |%/g, '%25');

    const { data } = await axios.get(
      `https://pine-facade.tradingview.com/pine-facade/translate/${indicID}/${version}`,
      {
        headers: {
          cookie: genAuthCookies(session, signature),
        },
        validateStatus,
      },
    );

    if (!data.success || !data.result.metaInfo || !data.result.metaInfo.inputs) {
      throw new Error(`Inexistent or unsupported indicator: "${data.reason}"`);
    }

    const inputs = {};

    data.result.metaInfo.inputs.forEach((input) => {
      if (['text', 'pineId', 'pineVersion'].includes(input.id)) return;

      const inlineName = input.name.replace(/ /g, '_').replace(/[^a-zA-Z0-9_]/g, '');

      inputs[input.id] = {
        name: input.name,
        inline: input.inline || inlineName,
        internalID: input.internalID || inlineName,
        tooltip: input.tooltip,

        type: input.type,
        value: input.defval,
        isHidden: !!input.isHidden,
        isFake: !!input.isFake,
      };

      if (input.options) inputs[input.id].options = input.options;
    });

    const plots = {};

    Object.keys(data.result.metaInfo.styles).forEach((plotId) => {
      const plotTitle = data
        .result
        .metaInfo
        .styles[plotId]
        .title
        .replace(/ /g, '_')
        .replace(/[^a-zA-Z0-9_]/g, '');

      const titles = Object.values(plots);

      if (titles.includes(plotTitle)) {
        let i = 2;
        while (titles.includes(`${plotTitle}_${i}`)) i += 1;
        plots[plotId] = `${plotTitle}_${i}`;
      } else plots[plotId] = plotTitle;
    });