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Merge pull request #249 from samchon/features/cli
Complement #248 - recommend `ts-patch`
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144 changes: 144 additions & 0 deletions
144
packages/core/src/executable/internal/ArgumentParser.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,144 @@ | ||
| import type CommanderModule from "commander"; | ||
| import fs from "fs"; | ||
| import type * as InquirerModule from "inquirer"; | ||
| import path from "path"; | ||
|
|
||
| import { PackageManager } from "./PackageManager"; | ||
|
|
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| export namespace ArgumentParser { | ||
| export interface IArguments { | ||
| compiler: "ts-patch" | "ttypescript"; | ||
| manager: "npm" | "pnpm" | "yarn"; | ||
| project: string | null; | ||
| } | ||
|
|
||
| export async function parse(pack: PackageManager): Promise<IArguments> { | ||
| // INSTALL TEMPORARY PACKAGES | ||
| const newbie = { | ||
| commander: pack.install({ | ||
| dev: true, | ||
| modulo: "commander", | ||
| version: "10.0.0", | ||
| silent: true, | ||
| }), | ||
| inquirer: pack.install({ | ||
| dev: true, | ||
| modulo: "inquirer", | ||
| version: "8.2.5", | ||
| silent: true, | ||
| }), | ||
| }; | ||
|
|
||
| // TAKE OPTIONS | ||
| const output: IArguments | Error = await (async () => { | ||
| try { | ||
| return await _Parse(pack); | ||
| } catch (error) { | ||
| return error as Error; | ||
| } | ||
| })(); | ||
|
|
||
| // REMOVE TEMPORARY PACKAGES | ||
| if (newbie.commander) pack.erase({ modulo: "commander", silent: true }); | ||
| if (newbie.inquirer) pack.erase({ modulo: "inquirer", silent: true }); | ||
|
|
||
| // RETURNS | ||
| if (output instanceof Error) throw output; | ||
| return output; | ||
| } | ||
|
|
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| async function _Parse(pack: PackageManager): Promise<IArguments> { | ||
| // PREPARE ASSETS | ||
| const { createPromptModule }: typeof InquirerModule = await import( | ||
| path.join(pack.directory, "node_modules", "inquirer") | ||
| ); | ||
| const { program }: typeof CommanderModule = await import( | ||
| path.join(pack.directory, "node_modules", "commander") | ||
| ); | ||
|
|
||
| program.option("--compiler [compiler]", "compiler type"); | ||
| program.option("--manager [manager", "package manager"); | ||
| program.option("--project [project]", "tsconfig.json file location"); | ||
|
|
||
| // INTERNAL PROCEDURES | ||
| const questioned = { value: false }; | ||
| const action = ( | ||
| closure: (options: Partial<IArguments>) => Promise<IArguments>, | ||
| ) => { | ||
| return new Promise<IArguments>((resolve, reject) => { | ||
| program.action(async (options) => { | ||
| try { | ||
| resolve(await closure(options)); | ||
| } catch (exp) { | ||
| reject(exp); | ||
| } | ||
| }); | ||
| program.parseAsync().catch(reject); | ||
| }); | ||
| }; | ||
| const select = | ||
| (name: string) => | ||
| (message: string) => | ||
| async <Choice extends string>( | ||
| choices: Choice[], | ||
| ): Promise<Choice> => { | ||
| questioned.value = true; | ||
| return ( | ||
| await createPromptModule()({ | ||
| type: "list", | ||
| name: name, | ||
| message: message, | ||
| choices: choices, | ||
| }) | ||
| )[name]; | ||
| }; | ||
| const configure = async () => { | ||
| const fileList: string[] = await ( | ||
| await fs.promises.readdir(process.cwd()) | ||
| ).filter( | ||
| (str) => | ||
| str.substring(0, 8) === "tsconfig" && | ||
| str.substring(str.length - 5) === ".json", | ||
| ); | ||
| if (fileList.length === 0) { | ||
| if (process.cwd() !== pack.directory) | ||
| throw new Error(`Unable to find "tsconfig.json" file.`); | ||
| return null; | ||
| } else if (fileList.length === 1) return fileList[0]; | ||
| return select("tsconfig")("TS Config File")(fileList); | ||
| }; | ||
|
|
||
| // DO CONSTRUCT | ||
| return action(async (options) => { | ||
| if (options.compiler === undefined) { | ||
| console.log(COMPILER_DESCRIPTION); | ||
| options.compiler = await select("compiler")(`Compiler`)( | ||
| pack.data.scripts?.build === "nest build" | ||
| ? ["ts-patch" as const, "ttypescript" as const] | ||
| : ["ttypescript" as const, "ts-patch" as const], | ||
| ); | ||
| } | ||
| options.manager ??= await select("manager")("Package Manager")([ | ||
| "npm" as const, | ||
| "pnpm" as const, | ||
| "yarn" as const, | ||
| ]); | ||
| pack.manager = options.manager; | ||
| options.project ??= await configure(); | ||
|
|
||
| if (questioned.value) console.log(""); | ||
| return options as IArguments; | ||
| }); | ||
| } | ||
| } | ||
|
|
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| const COMPILER_DESCRIPTION = [ | ||
| `About compiler, if you adapt "ttypescript", you should use "ttsc" instead.`, | ||
| ``, | ||
| `Otherwise, you choose "ts-patch", you can use the original "tsc" command.`, | ||
| `However, the "ts-patch" hacks "node_modules/typescript" source code.`, | ||
| `Also, whenever update "typescript", you've to run "npm run prepare" command.`, | ||
| ``, | ||
| `By the way, when using "@nest/cli", you must just choose "ts-patch".`, | ||
| ``, | ||
| ].join("\n"); |
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