Use Incremental Building to speed up testing locally

Author: kristoferbaxter

.gitignore

@@ -4,4 +4,5 @@ package-lock.json
 .DS_Store
 dist/
 transpile/
+transpile-tests/
 coverage/*

package.json

@@ -20,7 +20,7 @@
   ],
   "license": "Apache-2.0",
   "scripts": {
-    "pretest": "rimraf dist transpile && tsc -p tsconfig.test.json & wait",
+    "pretest": "tsc -p tsconfig.test.json",
     "test": "ava",
     "precoverage": "yarn pretest && c8 ava",
     "coverage": "c8 report --reporter=html",

test/closure-config/prefer-config.test.js

@@ -15,7 +15,7 @@
  */
 
 import test from 'ava';
-import options from '../../transpile/options';
+import options from '../../transpile-tests/options';
 import { generator } from '../generator';
 
 test('platform unspecified is respected', t => {

test/closure-config/rollup-config-externs.test.js

@@ -15,7 +15,7 @@
  */
 
 import test from 'ava';
-import compile from '../../transpile/options';
+import compile from '../../transpile-tests/options';
 import path from 'path';
 import {promises as fsPromises} from 'fs';
 

test/closure-config/rollup-config-to-flags.test.js

@@ -15,7 +15,7 @@
  */
 
 import test from 'ava';
-import { defaults } from '../../transpile/options';
+import { defaults } from '../../transpile-tests/options';
 
 test.beforeEach(t => {
   t.context = {

test/closure-config/warning-level.test.js

@@ -15,7 +15,7 @@
  */
 
 import test from 'ava';
-import compile, {ERROR_WARNINGS_ENABLED_LANGUAGE_OUT_UNSPECIFIED, ERROR_WARNINGS_ENABLED_LANGUAGE_OUT_INVALID} from '../../transpile/options';
+import compile, {ERROR_WARNINGS_ENABLED_LANGUAGE_OUT_UNSPECIFIED, ERROR_WARNINGS_ENABLED_LANGUAGE_OUT_INVALID} from '../../transpile-tests/options';
 
 test('with no language out set, and warnings set to verbose... an error is returned', t => {
   try {

test/error-reporting/warnings.test.js

@@ -15,7 +15,7 @@
  */
 
 import test from 'ava';
-import compiler from '../../transpile';
+import compiler from '../../transpile-tests';
 import * as rollup from 'rollup';
 import { promises as fsPromises } from 'fs';
 import { join } from 'path';

test/export-cjs/export-cjs-extern.test.js

@@ -15,8 +15,8 @@
  */
 
 import test from 'ava';
-import { createTransforms } from '../../transpile/transforms';
-import { defaults } from '../../transpile/options';
+import { createTransforms } from '../../transpile-tests/transforms';
+import { defaults } from '../../transpile-tests/options';
 import { promises as fsPromises } from 'fs';
 
 test('generate extern for cjs export pattern', async t => {

test/generator.js

@@ -15,7 +15,7 @@
  */
 
 const test = require('ava');
-const { default: compiler } = require('../transpile/index');
+const { default: compiler } = require('../transpile-tests/index');
 const rollup = require('rollup');
 const fs = require('fs');
 const path = require('path');

test/iife/iife-wrapped-safely.test.js

@@ -15,8 +15,8 @@
  */
 
 import test from 'ava';
-import { createTransforms } from '../../transpile/transforms';
-import { defaults } from '../../transpile/options';
+import { createTransforms } from '../../transpile-tests/transforms';
+import { defaults } from '../../transpile-tests/options';
 import { promises as fsPromises } from 'fs';
 import { generator } from '../generator';
 

test/provided-externs/multiple-bundles.test.js

@@ -17,7 +17,7 @@
 const test = require('ava');
 const path = require('path');
 const rollup = require('rollup');
-const { default: compiler } = require('../../transpile/index');
+const { default: compiler } = require('../../transpile-tests/index');
 
 const options = {
   externs: [

test/strict-removal/mjs-suffix.test.js

@@ -15,7 +15,7 @@
  */
 
 const test = require('ava');
-const { default: compiler } = require('../../transpile/index');
+const { default: compiler } = require('../../transpile-tests/index');
 const rollup = require('rollup');
 const fs = require('fs');
 const path = require('path');

tsconfig.json

@@ -18,6 +18,7 @@
     "declaration": true,
     "module": "esnext",
     "allowSyntheticDefaultImports": true,
+    "incremental": true,
   },
   "include": [
     "./**/*.ts",

tsconfig.test.json

@@ -1,6 +1,7 @@
 {
   "extends": "./tsconfig.json",
   "compilerOptions": {
-    "module": "commonjs"
+    "module": "commonjs",
+    "outDir": "transpile-tests",
   }
 }