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allow passing css modules object to cssModulesPath #10

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Merged
merged 1 commit into from
Sep 3, 2017
Merged

allow passing css modules object to cssModulesPath #10

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16 changes: 15 additions & 1 deletion lib/cssModules.es6
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,15 @@ export default (cssModulesPath) => {


function getCssClassName(cssModulesPath, cssModuleName) {
if (typeof cssModulesPath === 'string') {
return getCssClassNameFromPath(cssModulesPath, cssModuleName);
} else {
return getCssClassNameFromObject(cssModulesPath, cssModuleName);
}
}


function getCssClassNameFromPath(cssModulesPath, cssModuleName) {
if (fs.lstatSync(cssModulesPath).isDirectory()) {
let cssModulesDir = cssModulesPath;
let cssModuleNameParts = cssModuleName.split('.');
Expand All @@ -36,14 +45,19 @@ function getCssClassName(cssModulesPath, cssModuleName) {

const cssModules = getCssModules(path.resolve(cssModulesPath));

return getCssClassNameFromObject(cssModules, cssModuleName);
}


function getCssClassNameFromObject(cssModules, cssModuleName) {
return cssModuleName.trim().split(' ')
.map(cssModuleName => {
const cssClassName = _get(cssModules, cssModuleName);
if (! cssClassName) {
throw getError('CSS module "' + cssModuleName + '" is not found');
} else if (typeof cssClassName !== 'string') {
throw getError('CSS module "' + cssModuleName + '" is not a string');
}
}
return cssClassName;
})
.join(' ');
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10 changes: 10 additions & 0 deletions test/cssModules.js
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ import cssModules from '..';

const classesPath = path.join(__dirname, 'classes.json');
const classesDir = path.dirname(classesPath);
const classesObj = require(classesPath);


describe('posthtml-css-modules', () => {
Expand Down Expand Up @@ -51,6 +52,15 @@ describe('posthtml-css-modules', () => {
});


it('should inline CSS module from the object', () => {
return init(
'<div css-module="title"></div>',
'<div class="__title __heading"></div>',
classesObj
);
});


it('should throw an error if the file with the CSS modules is not found', () => {
return init(
'<div></div>',
Expand Down