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feat: support @scope at-rule #70

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merged 1 commit into from
Jan 17, 2024
Merged

feat: support @scope at-rule #70

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46 changes: 42 additions & 4 deletions src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -524,10 +524,12 @@ module.exports = (options = {}) => {
} else if (localMatch) {
atRule.params = localMatch[0];
globalKeyframes = false;
} else if (!globalMode) {
if (atRule.params && !localAliasMap.has(atRule.params)) {
atRule.params = ":local(" + atRule.params + ")";
}
} else if (
atRule.params &&
!globalMode &&
!localAliasMap.has(atRule.params)
) {
atRule.params = ":local(" + atRule.params + ")";
}

atRule.walkDecls((declaration) => {
Expand All @@ -537,6 +539,42 @@ module.exports = (options = {}) => {
global: globalKeyframes,
});
});
} else if (/scope$/i.test(atRule.name)) {
atRule.params = atRule.params
.split("to")
.map((item) => {
const selector = item.trim().slice(1, -1).trim();
const context = localizeNode(
selector,
options.mode,
localAliasMap
);

context.options = options;
context.localAliasMap = localAliasMap;

if (pureMode && context.hasPureGlobals) {
throw atRule.error(
'Selector in at-rule"' +
selector +
'" is not pure ' +
"(pure selectors must contain at least one local class or id)"
);
}

return `(${context.selector})`;
})
.join(" to ");

atRule.nodes.forEach((declaration) => {
if (declaration.type === "decl") {
localizeDeclaration(declaration, {
localAliasMap,
options: options,
global: globalMode,
});
}
});
} else if (atRule.nodes) {
atRule.nodes.forEach((declaration) => {
if (declaration.type === "decl") {
Expand Down
237 changes: 237 additions & 0 deletions test/index.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1022,6 +1022,243 @@ const tests = [
input: ".foo { animation: 1s -500.0ms -a_value; }",
expected: ":local(.foo) { animation: 1s -500.0ms :local(-a_value); }",
},
{
name: "@scope at-rule",
input: `
.article-header {
color: red;
}

.article-body {
color: blue;
}

@scope (.article-body) to (.article-header) {
.article-body {
border: 5px solid black;
background-color: goldenrod;
}
}

@scope(.article-body)to(.article-header){
.article-footer {
border: 5px solid black;
}
}

@scope ( .article-body ) {
img {
border: 5px solid black;
background-color: goldenrod;
}
}
`,
expected: `
:local(.article-header) {
color: red;
}

:local(.article-body) {
color: blue;
}

@scope (:local(.article-body)) to (:local(.article-header)) {
:local(.article-body) {
border: 5px solid black;
background-color: goldenrod;
}
}

@scope(:local(.article-body)) to (:local(.article-header)){
:local(.article-footer) {
border: 5px solid black;
}
}

@scope (:local(.article-body)) {
img {
border: 5px solid black;
background-color: goldenrod;
}
}
`,
},
{
name: "@scope at-rule #1",
input: `
@scope (.article-body) to (figure) {
.article-footer {
border: 5px solid black;
}
}
`,
expected: `
@scope (:local(.article-body)) to (figure) {
:local(.article-footer) {
border: 5px solid black;
}
}
`,
},
{
name: "@scope at-rule #2",
input: `
@scope (:local(.article-body)) to (:global(.class)) {
.article-footer {
border: 5px solid black;
}
:local(.class-1) {
color: red;
}
:global(.class-2) {
color: blue;
}
}
`,
expected: `
@scope (:local(.article-body)) to (.class) {
:local(.article-footer) {
border: 5px solid black;
}
:local(.class-1) {
color: red;
}
.class-2 {
color: blue;
}
}
`,
},
{
name: "@scope at-rule #3",
options: { mode: "global" },
input: `
@scope (:local(.article-header)) to (:global(.class)) {
.article-footer {
border: 5px solid black;
}
:local(.class-1) {
color: red;
}
:global(.class-2) {
color: blue;
}
}
`,
expected: `
@scope (:local(.article-header)) to (.class) {
.article-footer {
border: 5px solid black;
}
:local(.class-1) {
color: red;
}
.class-2 {
color: blue;
}
}
`,
},
{
name: "@scope at-rule #4",
options: { mode: "pure" },
input: `
@scope (.article-header) to (.class) {
.article-footer {
border: 5px solid black;
}
.class-1 {
color: red;
}
.class-2 {
color: blue;
}
}
`,
expected: `
@scope (:local(.article-header)) to (:local(.class)) {
:local(.article-footer) {
border: 5px solid black;
}
:local(.class-1) {
color: red;
}
:local(.class-2) {
color: blue;
}
}
`,
},
{
name: "@scope at-rule #5",
input: `
@scope (.article-header) to (.class) {
.article-footer {
src: url("./font.woff");
}
}
`,
options: {
rewriteUrl: function (global, url) {
const mode = global ? "global" : "local";
return "(" + mode + ")" + url + '"' + mode + '"';
},
},
expected: `
@scope (:local(.article-header)) to (:local(.class)) {
:local(.article-footer) {
src: url("(local)./font.woff\\"local\\"");
}
}
`,
},
{
name: "@scope at-rule #6",
input: `
.foo {
@scope (.article-header) to (.class) {
:scope {
background: blue;
}

.bar {
color: red;
}
}
}
`,
expected: `
:local(.foo) {
@scope (:local(.article-header)) to (:local(.class)) {
:scope {
background: blue;
}

:local(.bar) {
color: red;
}
}
}
`,
},
{
name: "@scope at-rule #7",
options: { mode: "pure" },
input: `
@scope (:global(.article-header).foo) to (:global(.class).bar) {
.bar {
color: red;
}
}
`,
expected: `
@scope (.article-header:local(.foo)) to (.class:local(.bar)) {
:local(.bar) {
color: red;
}
}
`,
},
];

function process(css, options) {
Expand Down