Struct TrimBlockHelper

pub struct TrimBlockHelper;

Trim start and end of a block output (all arguments are converted to string and case insensitive compared)

 assert_eq!(
   exec_template(json!({}), r#"{{#trim_block " "}} 1,2,3,4 {{/trim_block}}"#),
   "1,2,3,4"
 );
 assert_eq!(
   exec_template(json!({}), r#"{{#trim_block ","}}1,2,3,4{{/trim_block}}"#),
   "1,2,3,4"
 );
 assert_eq!(
   exec_template(json!({}), r#"{{#trim_block ","}}1,2,3,4,{{/trim_block}}"#),
   "1,2,3,4"
 );
 assert_eq!(
   exec_template(json!({}), r#"{{#trim_block ","}},1,2,3,4,{{/trim_block}}"#),
   "1,2,3,4"
 );
 assert_eq!(
   exec_template(json!({}), r#"{{#trim_block ","}},,1,2,3,4,,{{/trim_block}}"#),
   "1,2,3,4"
 );
 assert_eq!(
   exec_template(json!({"a": "42", "b": "42", "c": "42"}), r#"{{#trim_block ","}}{{#each this}}{{@key}},{{/each}}{{/trim_block}}"#),
   "a,b,c"
 );

Trait Implementations

impl HelperDef for TrimBlockHelper

fn call<'reg: 'rc, 'rc>( &self, h: &Helper<'reg, 'rc>, handle: &'reg Handlebars<'reg>, ctx: &'rc Context, render_ctx: &mut RenderContext<'reg, 'rc>, out: &mut dyn Output, ) -> HelperResult

A complex version of helper interface.

fn call_inner<'reg, 'rc>( &self, _: &Helper<'reg, 'rc>, _: &'reg Registry<'reg>, _: &'rc Context, _: &mut RenderContext<'reg, 'rc>, ) -> Result<ScopedJson<'reg, 'rc>, RenderError>

where 'reg: 'rc,

A simplified api to define helper