{{~#each parts ~}}

    {{#if (eq this.type "plain_text")~}}
        {{~this.content~}}
    {{else if (eq this.type "channel_topic")}}
        {{~!-- squash whitespace --~}}
        channel {{this.channel}} > {{this.topic}}
        {{~!-- squash whitespace --~}}
    {{else if (eq this.type "invalid_has")}}
        {{~!-- squash whitespace --~}}
        invalid {{this.operand}} operand for has operator
        {{~!-- squash whitespace --~}}
    {{else if (eq this.type "prefix_for_operator")}}
        {{~!-- squash whitespace --~}}
        {{this.prefix_for_operator}} {{this.operand}}
        {{~!-- squash whitespace --~}}
    {{else if (eq this.type "is_operator")}}
        {{#if (eq this.operand "mentioned")}}
            {{~!-- squash whitespace --~}}
            {{this.verb}}@-mentions
            {{~!-- squash whitespace --~}}
        {{else if (or (eq this.operand "starred") (eq this.operand "alerted") (eq this.operand "unread"))}}
            {{~!-- squash whitespace --~}}
            {{this.verb}}{{this.operand}} messages
            {{~!-- squash whitespace --~}}
        {{else if (or (eq this.operand "dm") (eq this.operand "private"))}}
            {{~!-- squash whitespace --~}}
            {{this.verb}}direct messages
            {{~!-- squash whitespace --~}}
        {{else if (eq this.operand "resolved")}}
            {{~!-- squash whitespace --~}}
            {{this.verb}}topics marked as resolved
            {{~!-- squash whitespace --~}}
        {{else}}
            {{~!-- squash whitespace --~}}
            invalid {{this.operand}} operand for is operator
            {{~!-- squash whitespace --~}}
        {{~/if~}}
    {{~/if~}}
    {{~#if (not @last)~}}, {{/if~}}

{{~/each~}}