33 lines
839 B
JavaScript
33 lines
839 B
JavaScript
const State = require('../State')
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class PackageAbsentState extends State {
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constructor(host, config) {
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if ( !host.packages ) {
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throw new Error(`Cannot apply package absent state to host ${host.name}: missing package manager API.`)
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}
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super(host, config)
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}
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async reverse() {
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return this._host.packages.install(this._config.package)
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}
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async check() {
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return !(await this._host.packages.is_installed(this._config.package))
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}
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async apply() {
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return this._host.packages.uninstall(this._config.package)
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}
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failure_message() {
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return `The package "${this._config.package}" still exists on host "${this._host.name}."`
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}
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check_message() {
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return this.failure_message()
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}
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}
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module.exports = exports = PackageAbsentState
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