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我开始将一个网站从 Singularity 1.1.2 升级到 1.4.0，但在同一样式表中使用多个网格时，我立即碰壁了。我在这个网站上有五个不同的网格。以前我能够为每个网格和排水沟设置变量，就像这样......

$copy-grids: 2;
$copy-grids: add-grid(4 at $breakpoint-xs-min, $copy-grids);
$copy-grids: add-grid(6 at $breakpoint-l-min, $copy-grids);
$copy-gutters: $gutter-width;

$front-grids: 1;
$front-grids: add-grid(2 at $breakpoint-2up-min, $front-grids);
$front-grids: add-grid(3 at $breakpoint-3up-min, $front-grids);
$front-grids: add-grid(4 at $breakpoint-4up-min, $front-grids);
$front-gutters: breakpoint-to-base-em($front-gutter-width);

...

然后我能够使用 Singularity 的layout()函数将这些变量传递给自定义 mixins，就像这样......

// Mixins for the main content body copy.
@mixin copy-layout {
  @include layout($copy-grids, $copy-gutters) {
    // All the things!
    @content;
  }
}
@mixin copy-grid-span($span, $location) {
  @include copy-layout {
    @include grid-span($span, $location);
  }
}

// Mixins for the front page.
@mixin front-layout {
  @include layout($front-grids, $front-gutters) {
    $gutter-styles: 'split' 'fixed';
    // All the things!
    @content;
  }
}
@mixin front-grid-span($span, $location) {
  @include front-layout {
    @include grid-span($span, $location);
  }
}

...

这让我可以使用我的自定义 mixins 代替标准grid-span()mixins 来轻松实现我定义的任何网格。例如：

#block-bean-front-page-message {
  margin-bottom: $front-gutters;
  @include breakpoint-1up() {
    width: 100%;
    padding: 0 $front-gutters/2;
  }
  @include breakpoint-2up-to-4up() {
    @include front-grid-span(1, 2);
  }
  @include breakpoint-4up(true) {
    @include front-grid-span(3, 2);
  }
}

问题是，在 Singularity v1.4 中，网格和装订线设置不再保存到普通的 sass 变量中。相反，它们被保存为全局$Singularity-Settings映射中的键值。用于这些值的键在 、 和 mixins 中硬编码add-grid()，add-gutter()它们add-gutter-style()都不接受自定义变量名称。这似乎有效地阻止了我定义多个网格。因此，尽管layout()mixin 仍然存在，但我不再有可以为网格和装订线设置传递给它的变量，从而破坏了我的自定义布局包装器 mixin。

我已将此作为问题发布在 Github 上，并且我知道可能正在进行更永久的修复。但与此同时，我希望有一种解决方法，我可以使用当前版本的 Singularity 来完成多个网格。

4

1 回答 1

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看起来我可以通过覆盖 add-grid()、add-gutter() 和 add-gutter-style() 混合来实现我所追求的目标，如下所示：

@mixin add-grid($grid-definition, $grid-key: 'grids') {
  $Grid-Map: ();
  @if sgs-has($grid-key) {
    $Grid-Map: sgs-get($grid-key);
  }
  @else {
    $New-Map: sgs-set($grid-key, $Grid-Map)
  }
  $Add-Grid: add-grid($grid-definition, $Grid-Map);
  $HOLDER: sgs-set($grid-key, $Add-Grid);
}

@mixin add-gutter($gutter-definition, $gutter-key: 'gutters') {
  $Gutter-Map: ();
  @if sgs-has($gutter-key) {
    $Gutter-Map: sgs-get($gutter-key);
  }
  @else {
    $New-Map: sgs-set($gutter-key, $Gutter-Map)
  }
  $Add-Gutter: add-gutter($gutter-definition, $Gutter-Map);
  $HOLDER: sgs-set($gutter-key, $Add-Gutter);
}

@mixin add-gutter-style($gutter-style-definition, $gutter-style-key: 'gutter styles') {
  $Gutter-Style-Map: ();
  @if sgs-has($gutter-style-key) {
    $Gutter-Style-Map: sgs-get($gutter-style-key);
  }
  @else {
    $New-Map: sgs-set($gutter-style-key, $Gutter-Style-Map)
  }
  $Add-Gutter-Style: add-gutter-style($gutter-style-definition, $Gutter-Style-Map);
  $HOLDER: sgs-set($gutter-style-key, $Add-Gutter-Style);
}

然后我可以像这样定义我的网格......

@include add-grid(2, 'copy grids');
@include add-grid(4 at $breakpoint-xs-min, 'copy grids');
@include add-grid(6 at $breakpoint-l-min, 'copy grids');
$copy-grids: sgs-get('copy grids');
@include add-gutter($gutter-width, 'copy gutters');
$copy-gutters: sgs-get('copy gutters');

@include add-grid(2, 'front grids');
@include add-grid(2 at $breakpoint-2up-min, 'front grids');
@include add-grid(3 at $breakpoint-3up-min, 'front grids');
@include add-grid(4 at $breakpoint-4up-min, 'front grids');
$front-grids: sgs-get('front grids');
@include add-gutter($front-gutter-width-em, 'front gutters');
$front-gutters: sgs-get('front gutters');
$front-gutter-styles: 'split' 'fixed';

...给我可以传递给布局函数的变量。现在一切似乎都在工作，除了排水沟样式，它似乎对输出没有任何影响，但这是一个不同的问题。

于 2014-10-03T16:29:45.720 回答