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Allow exporting ESM #808

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Allow exporting ESM #808

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12 changes: 8 additions & 4 deletions loader.js
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,10 @@ function expandImports(source, doc) {

module.exports = function(source) {
this.cacheable();
// can be simplified later to this.options?.esm
// options is optional here as that breaks where a fake webpack context is used
// that doesn't have options
const esm = (this.options || {}).esm;
const doc = gql`${source}`;
let headerCode = `
var doc = ${JSON.stringify(doc)};
Expand All @@ -63,7 +67,7 @@ module.exports = function(source) {

if (operationCount < 1) {
outputCode += `
module.exports = doc;
${esm ? "export default doc;" : "module.exports = doc;"}
`
} else {
outputCode += `
Expand Down Expand Up @@ -162,8 +166,8 @@ module.exports = function(source) {

return newDoc;
}
module.exports = doc;

${esm ? "export default doc;" : "module.exports = doc;"}
`

for (const op of doc.definitions) {
Expand All @@ -178,7 +182,7 @@ module.exports = function(source) {

const opName = op.name.value;
outputCode += `
module.exports["${opName}"] = oneQuery(doc, "${opName}");
${esm ? `export const ${opName}` : `module.exports[${JSON.stringify(opName)}]`} = oneQuery(doc, ${JSON.stringify(opName)});
`
}
}
Expand Down