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19 lines
795 B
Rust
19 lines
795 B
Rust
use handlebars::*;
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#[derive(Clone, Copy)]
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pub struct ContainsHelper;
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impl HelperDef for ContainsHelper {
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fn call<'reg: 'rc, 'rc>(&self, h: &Helper<'reg, 'rc>, r: &'reg Handlebars<'_>, ctx: &'rc Context, rc: &mut RenderContext<'reg, 'rc>, out: &mut dyn Output) -> HelperResult {
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let array = h.param(0).map(|v| serde_json::from_value::<Vec<String>>(v.value().clone()).unwrap()).ok_or_else(|| RenderError::new("Parameter not found!"))?;
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let value = h.param(1).map(|v| v.value().as_str().unwrap()).ok_or_else(|| RenderError::new("Parameter not found!"))?;
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let tmpl = if array.contains(&String::from(value)) { h.template() } else { h.inverse() };
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match tmpl {
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Some(ref t) => t.render(r, ctx, rc, out),
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None => Ok(()),
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}
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}
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}
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