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fix: do not attempt hotreloading when emit is false #953

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merged 1 commit into from
Jun 15, 2022
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fix: do not attempt hotreloading when emit is false #953

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10 changes: 6 additions & 4 deletions src/loader.js
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Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,7 @@ function hotLoader(content, context) {
function pitch(request) {
// @ts-ignore
const options = this.getOptions(/** @type {Schema} */ (schema));
const emit = typeof options.emit !== "undefined" ? options.emit : true;
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hoisted this so we can access it in the hot reloading path

const callback = this.async();
const optionsFromPlugin = /** @type {TODO} */ (this)[
MiniCssExtractPlugin.pluginSymbol
Expand Down Expand Up @@ -114,7 +115,6 @@ function pitch(request) {
}

const identifierCountMap = new Map();
const emit = typeof options.emit !== "undefined" ? options.emit : true;
let lastDep;

for (const dependency of dependencies) {
Expand Down Expand Up @@ -243,9 +243,11 @@ function pitch(request) {

let resultSource = `// extracted by ${MiniCssExtractPlugin.pluginName}`;

resultSource += this.hot
? hotLoader(result, { loaderContext: this, options, locals })
: result;
// only attempt hotreloading if the css is actually used for something other than hash values
resultSource +=
this.hot && emit
? hotLoader(result, { loaderContext: this, options, locals })
: result;

callback(null, resultSource);
};
Expand Down