| 1 | const { readPkg } = require('../lib/utils')
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| 2 |
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| 3 | module.exports = ctx => {
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| 4 | const { options } = ctx
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| 5 | const { browserslist = ['ie > 8', 'last 2 versions'] } = readPkg()
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| 6 |
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| 7 | const autoprefixerOptions = Object.assign({
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| 8 | browsers: browserslist
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| 9 | }, options.autoprefixer)
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| 10 |
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| 11 | let config = options.config || {}
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| 12 | if (typeof config === 'function') {
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| 13 | config = config(ctx)
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| 14 | }
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| 15 | config.plugins = config.plugins || []
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| 16 | if (Array.isArray(config.plugins)) {
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| 17 | config.plugins.unshift(require('autoprefixer')(autoprefixerOptions))
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| 18 | } else if (typeof config.plugins === 'object') {
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| 19 | config.plugins.autoprefixer = autoprefixerOptions
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| 20 | }
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| 21 |
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| 22 | return config
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| 23 | }
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