Merge pull request #1631 from sveltejs/gh-1618

encapsulate local styles inside global ones
pull/1636/head
Rich Harris 6 years ago committed by GitHub
commit 65aae85fed
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@ -30,6 +30,7 @@ export default class Selector {
apply(node: Node, stack: Node[]) {
const toEncapsulate: Node[] = [];
applySelector(this.stylesheet, this.localBlocks.slice(), node, stack.slice(), toEncapsulate);
if (toEncapsulate.length > 0) {
@ -132,10 +133,6 @@ export default class Selector {
}
}
function isDescendantSelector(selector: Node) {
return selector.type === 'WhiteSpace' || selector.type === 'Combinator';
}
function applySelector(stylesheet: Stylesheet, blocks: Block[], node: Node, stack: Node[], toEncapsulate: any[]): boolean {
const block = blocks.pop();
if (!block) return false;
@ -145,7 +142,6 @@ function applySelector(stylesheet: Stylesheet, blocks: Block[], node: Node, stac
}
let i = block.selectors.length;
let j = stack.length;
while (i--) {
const selector = block.selectors[i];
@ -202,12 +198,18 @@ function applySelector(stylesheet: Stylesheet, blocks: Block[], node: Node, stac
}
}
if (blocks.every(block => block.global)) {
toEncapsulate.push({ node, block });
return true;
}
return false;
} else if (block.combinator.name === '>') {
if (applySelector(stylesheet, blocks, stack.pop(), stack, toEncapsulate)) {
toEncapsulate.push({ node, block });
return true;
}
return false;
}

@ -0,0 +1 @@
div .foo.svelte-xyz{color:red}div>.foo.svelte-xyz{font-weight:bold}

@ -0,0 +1,11 @@
<p class='foo'>red/bold</p>
<style>
:global(div) .foo {
color: red;
}
:global(div) > .foo {
font-weight: bold;
}
</style>
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