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fix: add support for composes in CSS modules (#210)
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6 files changed

+82
-4
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6 files changed

+82
-4
lines changed

‎package.json‎

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@@ -54,6 +54,7 @@
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"lodash.camelcase": "^4.3.0",
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"postcss": "^8.4.21",
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"postcss-load-config": "^3.1.4",
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"postcss-modules-extract-imports": "^3.0.0",
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"postcss-modules-local-by-default": "^4.0.0",
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"postcss-modules-scope": "^3.0.0",
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"reserved-words": "^0.1.2",
@@ -68,6 +69,7 @@
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"@types/less": "^3.0.3",
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"@types/lodash.camelcase": "^4.3.7",
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"@types/node": "^18.14.0",
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"@types/postcss-modules-extract-imports": "^3.0.2",
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"@types/reserved-words": "^0.1.0",
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"@types/sass": "^1.43.1",
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"@types/stylus": "^0.48.38",

‎pnpm-lock.yaml‎

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‎src/helpers/__tests__/__snapshots__/getDtsSnapshot.test.ts.snap‎

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@@ -163,6 +163,8 @@ exports[`helpers / cssSnapshots with file 'import.module.css' createExports shou
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'childA': string;
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'childB': string;
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'nestedChild': string;
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'composed': string;
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'composed-from-other-file': string;
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'fadeIn': string;
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};
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export default _classes;
@@ -173,6 +175,7 @@ export let parent: string;
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export let childA: string;
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export let childB: string;
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export let nestedChild: string;
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export let composed: string;
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export let fadeIn: string;
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"
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`;
@@ -185,6 +188,8 @@ exports[`helpers / cssSnapshots with file 'import.module.css' getCssExports shou
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"class-c": "class-c",
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"classA": "classA",
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"class_d": "class_d",
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"composed": "composed classA",
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"composed-from-other-file": "composed-from-other-file i__imported_className_1",
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"fadeIn": "fadeIn",
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"nestedChild": "nestedChild",
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"parent": "parent",
@@ -202,6 +207,8 @@ declare let _classes: {
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'childA': string;
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'childB': string;
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'nestedChild': string;
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'composed': string;
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'composed-from-other-file': string;
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'fadeIn': string;
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};
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export default _classes;
@@ -212,10 +219,11 @@ export let parent: string;
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export let childA: string;
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export let childB: string;
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export let nestedChild: string;
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export let composed: string;
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export let fadeIn: string;
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export const __cssModule: true;
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export type AllClassNames = 'classA' | 'ClassB' | 'class-c' | 'class_d' | 'parent' | 'childA' | 'childB' | 'nestedChild' | 'fadeIn';"
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export type AllClassNames = 'classA' | 'ClassB' | 'class-c' | 'class_d' | 'parent' | 'childA' | 'childB' | 'nestedChild' | 'composed' | 'composed-from-other-file' | 'fadeIn';"
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`;
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exports[`helpers / cssSnapshots with file 'import.module.less' createExports should create an exports file 1`] = `
@@ -388,6 +396,8 @@ exports[`helpers / cssSnapshots with file 'test.module.css' createExports should
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'childA': string;
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'childB': string;
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'nestedChild': string;
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'composed': string;
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'composed-from-other-file': string;
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'fadeIn': string;
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};
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export default _classes;
@@ -398,6 +408,7 @@ export let parent: string;
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export let childA: string;
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export let childB: string;
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export let nestedChild: string;
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export let composed: string;
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export let fadeIn: string;
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"
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`;
@@ -410,6 +421,8 @@ exports[`helpers / cssSnapshots with file 'test.module.css' getCssExports should
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"class-c": "class-c",
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"classA": "classA",
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"class_d": "class_d",
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"composed": "composed classA",
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"composed-from-other-file": "composed-from-other-file i__imported_className_2",
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"fadeIn": "fadeIn",
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"nestedChild": "nestedChild",
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"parent": "parent",
@@ -427,6 +440,8 @@ declare let _classes: {
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'childA': string;
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'childB': string;
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'nestedChild': string;
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'composed': string;
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'composed-from-other-file': string;
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'fadeIn': string;
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};
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export default _classes;
@@ -437,10 +452,11 @@ export let parent: string;
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export let childA: string;
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export let childB: string;
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export let nestedChild: string;
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export let composed: string;
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export let fadeIn: string;
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export const __cssModule: true;
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export type AllClassNames = 'classA' | 'ClassB' | 'class-c' | 'class_d' | 'parent' | 'childA' | 'childB' | 'nestedChild' | 'fadeIn';"
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export type AllClassNames = 'classA' | 'ClassB' | 'class-c' | 'class_d' | 'parent' | 'childA' | 'childB' | 'nestedChild' | 'composed' | 'composed-from-other-file' | 'fadeIn';"
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`;
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exports[`helpers / cssSnapshots with file 'test.module.less' createExports should create an exports file 1`] = `
@@ -729,7 +745,7 @@ export type AllClassNames = 'foo' | 'bar' | 'baz' | 'col-1' | 'col-2' | 'col-3'
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`;
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exports[`helpers / cssSnapshots with goToDefinition enabled with CSS should return a line-accurate dts file 1`] = `
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"export let classA: string;
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"export let classA: string;export let composed: string;export let composedFromOtherFile: string;
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@@ -763,6 +779,13 @@ export let fadeIn: string;
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declare let _classes: {
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'classA': string;
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'classB': string;
@@ -772,6 +795,8 @@ declare let _classes: {
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'childA': string;
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'childB': string;
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'nestedChild': string;
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'composed': string;
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'composedFromOtherFile': string;
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'fadeIn': string;
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};
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export default _classes;
@@ -787,6 +812,8 @@ exports[`helpers / cssSnapshots with goToDefinition enabled with CSS should retu
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"class-c": "class-c",
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"classA": "classA",
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"class_d": "class_d",
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"composed": "composed classA",
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"composed-from-other-file": "composed-from-other-file i__imported_className_0",
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"fadeIn": "fadeIn",
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"nestedChild": "nestedChild",
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"parent": "parent",
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}
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}
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.composed {
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display: block;
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}
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.composed-from-other-file {
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}
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/*# sourceMappingURL=src/helpers/__tests__/fixtures/test.module.css.map */",
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"sourceMap": {
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"file": "src/helpers/__tests__/fixtures/test.module.css",
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"mappings": "AAAA;EACE,oBAAoB;AACtB;;AAEA;EACE,oBAAoB;AACtB;;AAEA;EACE,oBAAoB;AACtB;;AAEA;EACE,oBAAoB;EACpB,oBAAoB;AACtB;;AAGE;IACE,oBAAoB;EACtB;;AAEE;MACE,oBAAoB;IACtB;;AAIJ;EACE;IACE,UAAU;EACZ;EACA;IACE,UAAU;EACZ;AACF",
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"mappings": "AAAA;EACE,oBAAoB;AACtB;;AAEA;EACE,oBAAoB;AACtB;;AAEA;EACE,oBAAoB;AACtB;;AAEA;EACE,oBAAoB;EACpB,oBAAoB;AACtB;;AAGE;IACE,oBAAoB;EACtB;;AAEE;MACE,oBAAoB;IACtB;;AAIJ;EACE;IACE,UAAU;EACZ;EACA;IACE,UAAU;EACZ;AACF;;AAEA;EAEE,cAAc;AAChB;;AAEA;AAEA",
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"names": [],
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"sources": [
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"src/helpers/__tests__/fixtures/test.module.css",
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opacity: 1;
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}
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}
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.composed {
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composes: classA;
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display: block;
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}
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.composed-from-other-file {
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composes: className from './_composed.css';
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}
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",
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],
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"version": 3,

‎src/helpers/__tests__/fixtures/_composed.css‎

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@@ -0,0 +1,3 @@
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.className {
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width: 100%;
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}

‎src/helpers/__tests__/fixtures/test.module.css‎

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@@ -34,3 +34,12 @@
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opacity: 1;
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}
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}
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.composed {
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composes: classA;
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display: block;
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}
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.composed-from-other-file {
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composes: className from './_composed.css';
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}

‎src/helpers/getProcessor.ts‎

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@@ -2,13 +2,15 @@ import postcss, { AcceptedPlugin } from 'postcss';
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import Processor from 'postcss/lib/processor';
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import postcssLocalByDefault from 'postcss-modules-local-by-default';
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import postcssModulesScope from 'postcss-modules-scope';
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import postcssModulesExtractImports from 'postcss-modules-extract-imports';
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export const getProcessor = (
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additionalPlugins: AcceptedPlugin[] = [],
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): Processor =>
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postcss([
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...additionalPlugins,
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postcssLocalByDefault(),
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postcssModulesExtractImports(),
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postcssModulesScope({
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generateScopedName: (name) => name,
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}),

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