Function filterTemplate

packages/filter/src/query.ts:730–752

(strings: TemplateStringsArray, ...keys: any[])

}

export function filterTemplate(strings: TemplateStringsArray, ...keys: any[]) {
  return function filter(ctx: AnyObject) {
    const tokens = [strings[0]];
    keys.forEach((key, i) => {
      if (
        typeof key === 'object' ||
        typeof key === 'boolean' ||
        typeof key === 'number'
      ) {
        tokens.push(JSON.stringify(key), strings[i + 1]);
        return;
      }
      const value = getDeepProperty(ctx, key);
      tokens.push(JSON.stringify(value), strings[i + 1]);
    });
    const result = tokens.join('');
    try {
      return JSON.parse(result);
    } catch (e) {
      throw new Error('Invalid JSON: ' + result);
    }
  };
}