truncate: (str, len) => { if (str.length > len && str.length>0) { let new_str = str + ' ' new_str = str.substr(0, len) new_str = str.substr(0, new_str.lastIndexOf(' ')) new_str = new_str.length > 0 ? new_str : str.substr(0, len) return new_str + '...' } return str }
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