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Make rollup an optional peer dependency #24

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Merged
kryops merged 1 commit into from
Mar 15, 2026
Merged

Make rollup an optional peer dependency #24

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5 changes: 5 additions & 0 deletions package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -63,5 +63,10 @@
"peerDependencies": {
"rollup": ">=2.0.0"
},
"peerDependenciesMeta": {
"rollup": {
"optional": true
}
},
"packageManager": "yarn@4.12.0"
}
24 changes: 14 additions & 10 deletions src/index.ts
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Expand Up @@ -3,12 +3,11 @@ import { basename, dirname, join } from 'path'
import { promisify } from 'util'
import { gzip, ZlibOptions } from 'zlib'

import {
import type {
OutputAsset,
OutputChunk,
OutputOptions,
Plugin,
VERSION,
} from 'rollup'

const readFile = promisify(fs.readFile)
Expand Down Expand Up @@ -128,14 +127,19 @@ function getOutputFileContent(

// actual plugin code

function performInitChecks(options: GzipPluginOptions) {
if (VERSION < '2.0.0') {
console.error(
'[rollup-plugin-gzip] This plugin supports rollup version >= 2.0.0!',
)
console.error(
'For older rollup versions, please use an older version of this plugin.',
)
async function performInitChecks(options: GzipPluginOptions) {
try {
const { VERSION } = await import('rollup')
if (VERSION < '2.0.0') {
console.error(
'[rollup-plugin-gzip] This plugin supports rollup version >= 2.0.0!',
)
console.error(
'For older rollup versions, please use an older version of this plugin.',
)
}
} catch {
// rollup not available (e.g. using rolldown) — skip version check
}

// check for old options
Expand Down
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