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MigrationShowCommand.ts
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MigrationShowCommand.ts
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import { DataSource } from "../data-source"
import * as process from "process"
import * as yargs from "yargs"
import { PlatformTools } from "../platform/PlatformTools"
import path from "path"
import { CommandUtils } from "./CommandUtils"
/**
* Shows all migrations and whether they have been run or not.
*/
export class MigrationShowCommand implements yargs.CommandModule {
command = "migration:show"
describe = "Show all migrations and whether they have been run or not"
builder(args: yargs.Argv) {
return args.option("dataSource", {
alias: "d",
describe:
"Path to the file where your DataSource instance is defined.",
demandOption: true,
})
}
async handler(args: yargs.Arguments) {
let dataSource: DataSource | undefined = undefined
try {
dataSource = await CommandUtils.loadDataSource(
path.resolve(process.cwd(), args.dataSource as string),
)
dataSource.setOptions({
subscribers: [],
synchronize: false,
migrationsRun: false,
dropSchema: false,
logging: ["schema"],
})
await dataSource.initialize()
await dataSource.showMigrations()
await dataSource.destroy()
process.exit(0)
} catch (err) {
if (dataSource) await dataSource.destroy()
PlatformTools.logCmdErr("Error during migration show:", err)
process.exit(1)
}
}
}