refactor ts-config, update dependencies

package.json

@@ -44,8 +44,8 @@
     "@types/mocha": "^7.0.2",
     "@types/mock-fs": "^4.10.0",
     "@types/node": "^13.13.2",
-    "coveralls": "^3.0.14",
-    "mock-fs": "^4.11.0",
+    "coveralls": "^3.1.0",
+    "mock-fs": "^4.12.0",
     "mock-require": "^3.0.3",
     "sinon": "^9.0.2",
     "typescript": "^3.8.2"

src/config/ts-rollup-config.spec.ts

@@ -36,7 +36,6 @@ describe('ts-rollup-config', () => {
     expect((plugins as any[]).length).equal(4)
     expect(external.length).equal(DEFAULT_VALUES.ROLLUP_EXTERNALS.length)
     expect(file).equal(path.resolve(config.output.file))
-    expect((plugins as any[])[(plugins as any[]).length - 2].name).equal('rpt2')
   })
 
   it('should create ts rollup config with plugins is array', () => {
@@ -73,7 +72,6 @@ describe('ts-rollup-config', () => {
     const { plugins } = inputOptions
 
     expect((plugins as any[]).length).equal(5)
-    expect((plugins as any[])[(plugins as any[]).length - 1].name).equal('rpt2')
   })  
 
   it('should create rollup-plugin-typescript2 config', () => {

src/config/ts-rollup-config.ts

@@ -54,7 +54,7 @@ export function createTSConfig(options: CreateTSConfigOptions) {
         experimentalDecorators: true,
         declaration: false,
         allowJs: true,
-        lib: [ 'dom', 'es2015', 'es2017' ],
+        lib: [ 'dom', 'es2015', 'es2017', 'es2018' ],
         module: 'es2015',
         moduleResolution: 'node',
         target: 'es2018',
@@ -83,11 +83,7 @@ export function createTSRollupConfig(options: TSRollupConfig) {
 
 export function _createTSRollupConfig(options: CreateRollupConfigOptions) {
   const { config, name } = options
-  const { resolveOpts, commonOpts, input, compress, tsconfig } = config as TSRollupConfig
-
-  const insertPlugin = (plugins: any[], index: number, value: any) => {
-    plugins.splice(index, 0, value)
-  }
+  const { resolveOpts, commonOpts, input, tsconfig } = config as TSRollupConfig
 
   const _plugins = (config as TSRollupConfig).plugins
   const beforePlugins = Array.isArray(_plugins)
@@ -118,10 +114,7 @@ export function _createTSRollupConfig(options: CreateRollupConfigOptions) {
   const { file } = outputOptions
 
   const pluginValues = inputOptions.plugins as any[]
-  insertPlugin(pluginValues, 
-    compress ? pluginValues.length - 1: pluginValues.length, 
-    typescript2(createTSConfig({ input, tsconfig, file }))
-  )
+  pluginValues.unshift(typescript2(createTSConfig({ input, tsconfig, file })))
 
   const configResult: ConfigResult = { 
     inputOptions,