class

Hwaro::Assets::Sass::Environment

Inherits Reference < Object

Constructors

new(parent : Environment | Nil = nil, flow_control : Bool = false)

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Instance methods

assign_var(name : String, value : String, default : Bool, global : Bool) : Nil

Assignment semantics (dart-sass-flavored):

!global writes the root scope (skipped by !default when set).
!default is a no-op when the name resolves anywhere in scope to a non-null value; a null still takes the default (dart-sass: the $map: null !default; @if ... { $map: (...) !default; } guard idiom depends on it).
Otherwise the innermost non-root scope already declaring the name is updated; failing that, the name is declared here — which shadows a root/global variable rather than mutating it.
Exception: when every frame between here and the root is a flow-control scope, a root declaration is assigned, not shadowed (dart-sass flow-control scoping).

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declare_function(name : String, closure : SassFn) : Nil

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declare_mixin(name : String, closure : MixinClosure) : Nil

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declare_module(namespace : String, mod : SassModule) : Bool

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flow_control?

Flow-control scopes (@if/@each/@for/@while bodies) don't shadow outer variables — they assign through to them, global included (dart-sass flow-control scoping). That is what makes @while $i < 4 { $i: $i + 1; } terminate.

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functions

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lookup_function(name : String) : SassFn | Nil

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lookup_mixin(name : String) : MixinClosure | Nil

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lookup_var(name : String) : String | Nil

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mixins

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module?(namespace : String) : SassModule | Nil