feat: assert required opts

package.json

@@ -4,7 +4,7 @@
   "description": "Util toolset to produce TS and Flow libdefs for Qiwi OSS projects",
   "source": "src/main/ts/index.ts",
   "bin": {
-    "libdef": "target/es5/cli.js"
+    "libdeffix": "target/es5/cli.js"
   },
   "main": "target/bundle/libdefkit.js",
   "module": "target/bundle/libdefkit.mjs",

src/main/ts/cli.ts

@@ -0,0 +1,27 @@
+import meow from 'meow'
+import {rinf} from '.'
+
+const cli = meow(`
+  Usage
+    $ libdeffix --dts {dts file path} --prefix {entry point prefix}
+
+  Options
+    --dts       Target *.d.ts file path
+    --prefix    Entry point path prefix
+
+  Examples
+    $ libdeffix --dts ./typings/index.d.ts --prefix @qiwi/decorator-utils/target/es5
+    $ libdeffix --version
+    $ libdeffix --help
+`, {
+  flags: {
+    dts: {
+      type: 'string'
+    },
+    prefix: {
+      type: 'string'
+    }
+  }
+})
+
+rinf(cli.flags)

src/main/ts/index.ts

@@ -1 +1 @@
-export * from './fix'
+export * from './rinf'

src/main/ts/rinf.ts

@@ -1,4 +1,5 @@
 import {resolve} from 'path'
+import assert from 'assert'
 import {readFileSync} from 'fs'
 import {
   ReplaceInFileConfig,
@@ -21,6 +22,10 @@ import {logger} from './logger'
 import {IReplacer, IRunnerOpts} from './interface'
 
 export const rinf = (opts: IRunnerOpts) => {
+  const {dts, prefix} = opts
+  assert(!!dts, '`--dts` file path should be specified')
+  assert(!!prefix, 'entry point `--prefix` should be specified')
+
   const cfg = getRinfConfig(opts)
   const result: ReplaceResult[] = replaceInFileSync(cfg)
 

src/test/ts/rinf.ts

@@ -1,6 +1,6 @@
 import {resolve} from 'path'
 import {copyFileSync, readFileSync} from 'fs'
-import {IReplacer} from '../../main/ts/interface'
+import {IReplacer, IRunnerOpts} from '../../main/ts/interface'
 import {
   rinf,
   getRinfConfig,
@@ -35,17 +35,30 @@ describe('rinf', () => {
     })
   })
 
-  it('#rinf modifies target file', () => {
-    copyFileSync(inputDtsPath, tempDtsPath)
+  describe('#rinf', () => {
+    it('asserts `prefix` option', () => {
+      expect(() => rinf({dts: tempDtsPath} as IRunnerOpts))
+        .toThrow('entry point `--prefix` should be specified')
+    })
 
-    expect(readFileSync(tempDtsPath, 'utf-8')).toBe(readFileSync(inputDtsPath, 'utf-8'))
+    it('asserts `dts` option', () => {
+      expect(() => rinf({prefix: 'test'} as IRunnerOpts))
+        .toThrow('`--dts` file path should be specified')
+    })
 
-    const dts = tempDtsPath
-    const prefix = '@qiwi/decorator-utils/target/es5'
-    const cxt = {dts, prefix}
+    it('modifies target file', () => {
+      copyFileSync(inputDtsPath, tempDtsPath)
 
-    rinf(cxt)
+      expect(readFileSync(tempDtsPath, 'utf-8')).toBe(readFileSync(inputDtsPath, 'utf-8'))
 
-    expect(readFileSync(tempDtsPath, 'utf-8')).toBe(readFileSync(outputDtsPath, 'utf-8'))
+      const dts = tempDtsPath
+      const prefix = '@qiwi/decorator-utils/target/es5'
+      const cxt = {dts, prefix}
+
+      rinf(cxt)
+
+      expect(readFileSync(tempDtsPath, 'utf-8')).toBe(readFileSync(outputDtsPath, 'utf-8'))
+    })
   })
+
 })