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support named exports #66

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support named exports #66

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6 changes: 5 additions & 1 deletion src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ const {
filenameToPascalCase,
filenameToTypingsFilename,
getCssModuleKeys,
getNamedExports,
generateGenericExportInterface,
} = require("./utils");
const persist = require("./persist");
Expand Down Expand Up @@ -63,9 +64,12 @@ module.exports = function (content, ...args) {

// let's only check `exports.locals` for keys to avoid getting keys from the sourcemap when it's enabled
// if we cannot find locals, then the module only contains global styles
const isModule = /(?:^|\n)export\s+(?:var|let|const)\s+\S+\s*=/g.test(content)
const indexOfLocals = content.indexOf(".locals");
const cssModuleKeys =
indexOfLocals === -1
isModule
? getNamedExports(content)
: indexOfLocals === -1
? []
: getCssModuleKeys(content.substring(indexOfLocals));

Expand Down
14 changes: 14 additions & 0 deletions src/utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,19 @@ const getCssModuleKeys = (content) => {
return cssModuleKeys;
};

const getNamedExports = (content) => {
const exportRegex = /(?:^|\n)export\s+(?:var|let|const)\s+(\S+?)\s*=/g;
let match;
const namedExports = [];

while ((match = exportRegex.exec(content))) {
if (namedExports.indexOf(match[1]) < 0) {
namedExports.push(match[1]);
}
}
return namedExports;
};

/**
* @param {string} filename
*/
Expand Down Expand Up @@ -80,6 +93,7 @@ export = ${moduleName};`;

module.exports = {
getCssModuleKeys,
getNamedExports,
filenameToPascalCase,
filenameToTypingsFilename,
generateGenericExportInterface,
Expand Down