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feat: css nesting support (#64)

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Lines changed: 5 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -230,6 +230,11 @@ function localizeNode(rule, mode, localAliasMap) {`
`230`	`230`
`231`	`231`	`break;`
`232`	`232`	`}`
	`233`	`+ case "nesting": {`
	`234`	`+ if (node.value === "&") {`
	`235`	`+ context.hasLocals = true;`
	`236`	`+ }`
	`237`	`+ }`
`233`	`238`	`}`
`234`	`239`
`235`	`240`	`context.lastWasSpacing = false;`

Lines changed: 24 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -844,6 +844,30 @@ const tests = [`
`844`	`844`	`input: ":global(.a:not(:global .b, :global .c)) {}",`
`845`	`845`	`error: /A:globalisnotallowedinsideofa:global/,`
`846`	`846`	`},`
	`847`	`+ {`
	`848`	`+ name: "consider & statements as pure",`
	`849`	`+ input: ".foo { &:hover { a_value: some-value; } }",`
	`850`	`+ options: { mode: "pure" },`
	`851`	`+ expected: ":local(.foo) { &:hover { a_value: some-value; } }",`
	`852`	`+ },`
	`853`	`+ {`
	`854`	`+ name: "consider selector & statements as pure",`
	`855`	`+ input: ".foo { html &:hover { a_value: some-value; } }",`
	`856`	`+ options: { mode: "pure" },`
	`857`	`+ expected: ":local(.foo) { html &:hover { a_value: some-value; } }",`
	`858`	`+ },`
	`859`	`+ {`
	`860`	`+ name: "consider selector & statements as pure",`
	`861`	`+ input: ".foo { &:global(.bar) { a_value: some-value; } }",`
	`862`	`+ options: { mode: "pure" },`
	`863`	`+ expected: ":local(.foo) { &.bar { a_value: some-value; } }",`
	`864`	`+ },`
	`865`	`+ {`
	`866`	`+ name: "throw on nested & selectors without a local selector",`
	`867`	`+ input: ":global(.foo) { &:hover { a_value: some-value; } }",`
	`868`	`+ options: { mode: "pure" },`
	`869`	`+ error: /isnotpure/,`
	`870`	`+ },`
`847`	`871`	`/*`
`848`	`872`	`Bug in postcss-selector-parser`
`849`	`873`	`{`

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