Minify CSS with Lightning CSS (#25754)
Replace esbuild's rudimentary CSS minifier with [Lightning CSS](https://github.com/parcel-bundler/lightningcss), which results in around 4% smaller CSS bundle size, index.css goes from 608K to 584K. The module is quite new but has active use in the Parcel bundler, and as of yesterday is also under experimental support in Vite, so I trust it that bugs will be sorted out quickly. Before: `assets by path css/*.css 959 KiB` After: `assets by path css/*.css 933 KiB` I did give this a cursory test and everything seems to be in order.
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"jquery.are-you-sure": "1.9.0",
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"jquery.are-you-sure": "1.9.0",
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"katex": "0.16.8",
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"katex": "0.16.8",
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"license-checker-webpack-plugin": "0.2.1",
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"license-checker-webpack-plugin": "0.2.1",
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"lightningcss-loader": "2.1.0",
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"mermaid": "10.2.3",
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"mermaid": "10.2.3",
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"mini-css-extract-plugin": "2.7.6",
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"mini-css-extract-plugin": "2.7.6",
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"minimatch": "9.0.2",
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"minimatch": "9.0.2",
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"node": ">=6"
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"node": ">=6"
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}
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}
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},
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},
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"node_modules/detect-libc": {
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"version": "1.0.3",
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"resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-1.0.3.tgz",
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"integrity": "sha512-pGjwhsmsp4kL2RTz08wcOlGN83otlqHeD/Z5T8GXZB+/YcpQ/dgo+lbU8ZsGxV0HIvqqxo9l7mqYwyYMD9bKDg==",
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"bin": {
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"detect-libc": "bin/detect-libc.js"
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},
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"engines": {
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"node": ">=0.10"
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}
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},
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"node_modules/diff": {
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"node_modules/diff": {
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"version": "5.1.0",
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"version": "5.1.0",
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"resolved": "https://registry.npmjs.org/diff/-/diff-5.1.0.tgz",
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"resolved": "https://registry.npmjs.org/diff/-/diff-5.1.0.tgz",
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"node": ">=8"
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"node": ">=8"
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}
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}
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},
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},
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"node_modules/lightningcss": {
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"version": "1.21.5",
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"resolved": "https://registry.npmjs.org/lightningcss/-/lightningcss-1.21.5.tgz",
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"integrity": "sha512-/pEUPeih2EwIx9n4T82aOG6CInN83tl/mWlw6B5gWLf36UplQi1L+5p3FUHsdt4fXVfOkkh9KIaM3owoq7ss8A==",
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"dependencies": {
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"detect-libc": "^1.0.3"
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},
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"engines": {
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"node": ">= 12.0.0"
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},
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"funding": {
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"type": "opencollective",
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"url": "https://opencollective.com/parcel"
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},
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"optionalDependencies": {
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"lightningcss-darwin-arm64": "1.21.5",
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"lightningcss-darwin-x64": "1.21.5",
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"lightningcss-linux-arm-gnueabihf": "1.21.5",
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"lightningcss-linux-arm64-gnu": "1.21.5",
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"lightningcss-linux-arm64-musl": "1.21.5",
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"lightningcss-linux-x64-gnu": "1.21.5",
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"lightningcss-linux-x64-musl": "1.21.5",
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"lightningcss-win32-x64-msvc": "1.21.5"
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}
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},
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"node_modules/lightningcss-darwin-arm64": {
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"version": "1.21.5",
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"resolved": "https://registry.npmjs.org/lightningcss-darwin-arm64/-/lightningcss-darwin-arm64-1.21.5.tgz",
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"integrity": "sha512-z05hyLX85WY0UfhkFUOrWEFqD69lpVAmgl3aDzMKlIZJGygbhbegqb4PV8qfUrKKNBauut/qVNPKZglhTaDDxA==",
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"cpu": [
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"arm64"
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],
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"optional": true,
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"os": [
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"darwin"
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],
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"engines": {
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"node": ">= 12.0.0"
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},
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"funding": {
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"type": "opencollective",
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"url": "https://opencollective.com/parcel"
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}
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},
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"node_modules/lightningcss-darwin-x64": {
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"version": "1.21.5",
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"resolved": "https://registry.npmjs.org/lightningcss-darwin-x64/-/lightningcss-darwin-x64-1.21.5.tgz",
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"integrity": "sha512-MSJhmej/U9MrdPxDk7+FWhO8+UqVoZUHG4VvKT5RQ4RJtqtANTiWiI97LvoVNMtdMnHaKs1Pkji6wHUFxjJsHQ==",
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"cpu": [
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"x64"
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],
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"optional": true,
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"os": [
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"darwin"
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],
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"engines": {
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"node": ">= 12.0.0"
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},
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"funding": {
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"type": "opencollective",
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"url": "https://opencollective.com/parcel"
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}
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},
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"node_modules/lightningcss-linux-arm-gnueabihf": {
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"version": "1.21.5",
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"resolved": "https://registry.npmjs.org/lightningcss-linux-arm-gnueabihf/-/lightningcss-linux-arm-gnueabihf-1.21.5.tgz",
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"integrity": "sha512-xN6+5/JsMrbZHL1lPl+MiNJ3Xza12ueBKPepiyDCFQzlhFRTj7D0LG+cfNTzPBTO8KcYQynLpl1iBB8LGp3Xtw==",
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"cpu": [
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"arm"
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],
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"optional": true,
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"os": [
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"linux"
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],
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"engines": {
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"node": ">= 12.0.0"
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},
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"funding": {
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"type": "opencollective",
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"url": "https://opencollective.com/parcel"
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}
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},
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"node_modules/lightningcss-linux-arm64-gnu": {
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"version": "1.21.5",
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"resolved": "https://registry.npmjs.org/lightningcss-linux-arm64-gnu/-/lightningcss-linux-arm64-gnu-1.21.5.tgz",
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"integrity": "sha512-KfzFNhC4XTbmG3ma/xcTs/IhCwieW89XALIusKmnV0N618ZDXEB0XjWOYQRCXeK9mfqPdbTBpurEHV/XZtkniQ==",
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"cpu": [
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"arm64"
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],
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"optional": true,
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"engines": {
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"node": ">= 12.0.0"
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},
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"funding": {
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"type": "opencollective",
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"url": "https://opencollective.com/parcel"
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}
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},
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"node_modules/lightningcss-linux-arm64-musl": {
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"version": "1.21.5",
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"resolved": "https://registry.npmjs.org/lightningcss-linux-arm64-musl/-/lightningcss-linux-arm64-musl-1.21.5.tgz",
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"integrity": "sha512-bc0GytQO5Mn9QM6szaZ+31fQHNdidgpM1sSCwzPItz8hg3wOvKl8039rU0veMJV3ZgC9z0ypNRceLrSHeRHmXw==",
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"cpu": [
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],
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"url": "https://opencollective.com/parcel"
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}
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},
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"node_modules/lightningcss-linux-x64-gnu": {
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"version": "1.21.5",
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"resolved": "https://registry.npmjs.org/lightningcss-linux-x64-gnu/-/lightningcss-linux-x64-gnu-1.21.5.tgz",
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"integrity": "sha512-JwMbgypPQgc2kW2av3OwzZ8cbrEuIiDiXPJdXRE6aVxu67yHauJawQLqJKTGUhiAhy6iLDG8Wg0a3/ziL+m+Kw==",
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"cpu": [
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"x64"
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],
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"optional": true,
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"linux"
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],
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"engines": {
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"node": ">= 12.0.0"
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},
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"funding": {
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"type": "opencollective",
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"url": "https://opencollective.com/parcel"
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}
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},
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"node_modules/lightningcss-linux-x64-musl": {
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"version": "1.21.5",
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"resolved": "https://registry.npmjs.org/lightningcss-linux-x64-musl/-/lightningcss-linux-x64-musl-1.21.5.tgz",
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"integrity": "sha512-Ib8b6IQ/OR/VrPU6YBgy4T3QnuHY7DUa95O+nz+cwrTkMSN6fuHcTcIaz4t8TJ6HI5pl3uxUOZjmtls2pyQWow==",
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"funding": {
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"url": "https://opencollective.com/parcel"
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}
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},
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"node_modules/lightningcss-loader": {
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"version": "2.1.0",
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"resolved": "https://registry.npmjs.org/lightningcss-loader/-/lightningcss-loader-2.1.0.tgz",
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"integrity": "sha512-mB+M/lvs/GdXT4yc8ZiNgLUAbYpPI9grDyC3ybz/Zo6s4GZv53iZnLTnkJT/Qm3Sh89dbFUm+omoHFXCfZtcXw==",
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"dependencies": {
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"browserslist": "^4.21.4",
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"lightningcss": "^1.16.0",
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"webpack-sources": "^3.2.3"
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},
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"peerDependencies": {
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}
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},
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"node_modules/lightningcss-loader/node_modules/webpack-sources": {
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"version": "3.2.3",
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"resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-3.2.3.tgz",
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"integrity": "sha512-/DyMEOrDgLKKIG0fmvtz+4dUX/3Ghozwgm6iPp8KRhvn+eQf9+Q7GWxVNMk3+uCPWfdXYC4ExGBckIXdFEfH1w==",
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"node": ">=10.13.0"
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}
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"resolved": "https://registry.npmjs.org/lightningcss-win32-x64-msvc/-/lightningcss-win32-x64-msvc-1.21.5.tgz",
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"integrity": "sha512-A8cSi8lUpBeVmoF+DqqW7cd0FemDbCuKr490IXdjyeI+KL8adpSKUs8tcqO0OXPh1EoDqK7JNkD/dELmd4Iz5g==",
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"url": "https://opencollective.com/parcel"
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}
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},
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"node_modules/lines-and-columns": {
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"node_modules/lines-and-columns": {
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"version": "1.2.4",
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"version": "1.2.4",
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"resolved": "https://registry.npmjs.org/lines-and-columns/-/lines-and-columns-1.2.4.tgz",
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"katex": "0.16.8",
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"license-checker-webpack-plugin": "0.2.1",
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"license-checker-webpack-plugin": "0.2.1",
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"lightningcss-loader": "2.1.0",
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"mermaid": "10.2.3",
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"mermaid": "10.2.3",
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"mini-css-extract-plugin": "2.7.6",
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"mini-css-extract-plugin": "2.7.6",
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import {fileURLToPath} from 'node:url';
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import {fileURLToPath} from 'node:url';
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import {readFileSync} from 'node:fs';
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import {readFileSync} from 'node:fs';
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import {env} from 'node:process';
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import {env} from 'node:process';
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import {LightningCssMinifyPlugin} from 'lightningcss-loader';
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const {EsbuildPlugin} = EsBuildLoader;
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const {EsbuildPlugin} = EsBuildLoader;
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const {SourceMapDevToolPlugin, DefinePlugin} = webpack;
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const {SourceMapDevToolPlugin, DefinePlugin} = webpack;
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new EsbuildPlugin({
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target: 'es2015',
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target: 'es2015',
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minify: true,
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minify: true,
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css: true,
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css: false,
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legalComments: 'none',
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legalComments: 'none',
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}),
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}),
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],
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],
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splitChunks: {
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splitChunks: {
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chunks: 'async',
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chunks: 'async',
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Reference in a new issue