| 1 | exports.name = 'builtin:watch'
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| 2 |
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| 3 | exports.apply = api => {
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| 4 | api.hook('createCLI', ({ command, args }) => {
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| 5 | command.option('-w, --watch', 'Watch and rebuild on file changes')
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| 6 |
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| 7 | if (!args.has('w') && !args.has('watch')) return
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| 8 |
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| 9 | command.action(() => {
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| 10 | const compiler = api.createWebpackCompiler(
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| 11 | api.createWebpackChain().toConfig()
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| 12 | )
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| 13 | compiler.watch({}, err => {
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| 14 | if (err) {
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| 15 | api.logger.error(err)
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| 16 | }
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| 17 | })
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| 18 | })
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| 19 | })
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| 20 | }
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