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fix(perf): avoid using klona for sass options #1145

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merged 3 commits into from
Jun 9, 2023
Merged

fix(perf): avoid using klona for sass options #1145

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1136212
fix(perf): avoid using `klona` for `sass` options
alexander-akait Jun 9, 2023
cdb8e04
test: update
alexander-akait Jun 9, 2023
a6c77fd
test: update
alexander-akait Jun 9, 2023
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1 change: 0 additions & 1 deletion package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,6 @@
}
},
"dependencies": {
"klona": "^2.0.6",
"neo-async": "^2.6.2"
},
"devDependencies": {
Expand Down
121 changes: 62 additions & 59 deletions src/utils.js
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Original file line number Diff line number Diff line change
@@ -1,7 +1,6 @@
import url from "url";
import path from "path";

import { klona } from "klona/full";
import async from "neo-async";

function getDefaultSassImplementation() {
Expand Down Expand Up @@ -112,32 +111,29 @@ async function getSassOptions(
implementation,
useSourceMap
) {
const options = klona(
loaderOptions.sassOptions
? typeof loaderOptions.sassOptions === "function"
? loaderOptions.sassOptions(loaderContext) || {}
: loaderOptions.sassOptions
: {}
);

const isDartSass = implementation.info.includes("dart-sass");
const isModernAPI = loaderOptions.api === "modern";

options.data = loaderOptions.additionalData
? typeof loaderOptions.additionalData === "function"
? await loaderOptions.additionalData(content, loaderContext)
: `${loaderOptions.additionalData}\n${content}`
: content;
const options = loaderOptions.sassOptions
? typeof loaderOptions.sassOptions === "function"
? loaderOptions.sassOptions(loaderContext) || {}
: loaderOptions.sassOptions
: {};
const sassOptions = {
...options,
data: loaderOptions.additionalData
? typeof loaderOptions.additionalData === "function"
? await loaderOptions.additionalData(content, loaderContext)
: `${loaderOptions.additionalData}\n${content}`
: content,
};

if (!options.logger) {
if (!sassOptions.logger) {
const needEmitWarning = loaderOptions.warnRuleAsWarning !== false;
const logger = loaderContext.getLogger("sass-loader");
const formatSpan = (span) =>
`${span.url || "-"}:${span.start.line}:${span.start.column}: `;
const formatDebugSpan = (span) =>
`[debug:${span.start.line}:${span.start.column}] `;

options.logger = {
sassOptions.logger = {
debug(message, loggerOptions) {
let builtMessage = "";

Expand Down Expand Up @@ -180,44 +176,47 @@ async function getSassOptions(
};
}

const isModernAPI = loaderOptions.api === "modern";
const { resourcePath } = loaderContext;

if (isModernAPI) {
options.url = url.pathToFileURL(resourcePath);
sassOptions.url = url.pathToFileURL(resourcePath);

// opt.outputStyle
if (!options.style && isProductionLikeMode(loaderContext)) {
options.style = "compressed";
if (!sassOptions.style && isProductionLikeMode(loaderContext)) {
sassOptions.style = "compressed";
}

if (useSourceMap) {
options.sourceMap = true;
sassOptions.sourceMap = true;
}

// If we are compiling sass and indentedSyntax isn't set, automatically set it.
if (typeof options.syntax === "undefined") {
if (typeof sassOptions.syntax === "undefined") {
const ext = path.extname(resourcePath);

if (ext && ext.toLowerCase() === ".scss") {
options.syntax = "scss";
sassOptions.syntax = "scss";
} else if (ext && ext.toLowerCase() === ".sass") {
options.syntax = "indented";
sassOptions.syntax = "indented";
} else if (ext && ext.toLowerCase() === ".css") {
options.syntax = "css";
sassOptions.syntax = "css";
}
}

options.importers = options.importers
? Array.isArray(options.importers)
? options.importers
: [options.importers]
sassOptions.importers = sassOptions.importers
? Array.isArray(sassOptions.importers)
? sassOptions.importers.slice()
: [sassOptions.importers]
: [];
} else {
options.file = resourcePath;
sassOptions.file = resourcePath;

const isDartSass = implementation.info.includes("dart-sass");

if (isDartSass && isSupportedFibers()) {
const shouldTryToResolveFibers =
!options.fiber && options.fiber !== false;
!sassOptions.fiber && sassOptions.fiber !== false;

if (shouldTryToResolveFibers) {
let fibers;
Expand All @@ -230,20 +229,20 @@ async function getSassOptions(

if (fibers) {
// eslint-disable-next-line global-require, import/no-dynamic-require
options.fiber = require(fibers);
sassOptions.fiber = require(fibers);
}
} else if (options.fiber === false) {
} else if (sassOptions.fiber === false) {
// Don't pass the `fiber` option for `sass` (`Dart Sass`)
delete options.fiber;
delete sassOptions.fiber;
}
} else {
// Don't pass the `fiber` option for `node-sass`
delete options.fiber;
delete sassOptions.fiber;
}

// opt.outputStyle
if (!options.outputStyle && isProductionLikeMode(loaderContext)) {
options.outputStyle = "compressed";
if (!sassOptions.outputStyle && isProductionLikeMode(loaderContext)) {
sassOptions.outputStyle = "compressed";
}

if (useSourceMap) {
Expand All @@ -253,11 +252,14 @@ async function getSassOptions(
// But since we're using the data option, the source map will not actually be written, but
// all paths in sourceMap.sources will be relative to that path.
// Pretty complicated... :(
options.sourceMap = true;
options.outFile = path.join(loaderContext.rootContext, "style.css.map");
options.sourceMapContents = true;
options.omitSourceMapUrl = true;
options.sourceMapEmbed = false;
sassOptions.sourceMap = true;
sassOptions.outFile = path.join(
loaderContext.rootContext,
"style.css.map"
);
sassOptions.sourceMapContents = true;
sassOptions.omitSourceMapUrl = true;
sassOptions.sourceMapEmbed = false;
}

const ext = path.extname(resourcePath);
Expand All @@ -266,31 +268,32 @@ async function getSassOptions(
if (
ext &&
ext.toLowerCase() === ".sass" &&
typeof options.indentedSyntax === "undefined"
typeof sassOptions.indentedSyntax === "undefined"
) {
options.indentedSyntax = true;
sassOptions.indentedSyntax = true;
} else {
options.indentedSyntax = Boolean(options.indentedSyntax);
sassOptions.indentedSyntax = Boolean(sassOptions.indentedSyntax);
}

// Allow passing custom importers to `sass`/`node-sass`. Accepts `Function` or an array of `Function`s.
options.importer = options.importer
sassOptions.importer = sassOptions.importer
? proxyCustomImporters(
Array.isArray(options.importer)
? options.importer
: [options.importer],
Array.isArray(sassOptions.importer)
? sassOptions.importer.slice()
: [sassOptions.importer],
loaderContext
)
: [];

options.includePaths = []
sassOptions.includePaths = []
.concat(process.cwd())
.concat(
// We use `includePaths` in context for resolver, so it should be always absolute
(options.includePaths || []).map((includePath) =>
path.isAbsolute(includePath)
? includePath
: path.join(process.cwd(), includePath)
(sassOptions.includePaths ? sassOptions.includePaths.slice() : []).map(
(includePath) =>
path.isAbsolute(includePath)
? includePath
: path.join(process.cwd(), includePath)
)
)
.concat(
Expand All @@ -301,12 +304,12 @@ async function getSassOptions(
: []
);

if (typeof options.charset === "undefined") {
options.charset = true;
if (typeof sassOptions.charset === "undefined") {
sassOptions.charset = true;
}
}

return options;
return sassOptions;
}

const MODULE_REQUEST_REGEX = /^[^?]*~/;
Expand Down
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