[@elastic/datemath] Remove build step from datemath package. (#75505) (#75944)

* Remove build step from datemath.

* Remove outdated docs reference to datemath.

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>

Author: lukeelmers

docs/developer/contributing/development-tests.asciidoc

@@ -20,7 +20,7 @@ root)
 |`yarn test:jest_integration -t regexp [test path]`
 
 |Mocha
-|`src/**/__tests__/**/*.js` `!src/**/public/__tests__/*.js``packages/kbn-datemath/test/**/*.js` `packages/kbn-dev-utils/src/**/__tests__/**/*.js` `tasks/**/__tests__/**/*.js`
+|`src/**/__tests__/**/*.js` `!src/**/public/__tests__/*.js` `packages/kbn-dev-utils/src/**/__tests__/**/*.js` `tasks/**/__tests__/**/*.js`
 |`node scripts/mocha --grep=regexp [test path]`
 
 |Functional

packages/elastic-datemath/.babelrc

@@ -1,6 +1,2 @@
-/src
-/test
 /tsconfig.json
-/.babelrc
-/yarn.lock
 /__tests__

packages/elastic-datemath/.npmignore

@@ -17,10 +17,10 @@
  * under the License.
  */
 
-import dateMath from '../src';
-import moment from 'moment';
-import sinon from 'sinon';
-import expect from '@kbn/expect';
+const dateMath = require('../index');
+const moment = require('moment');
+const sinon = require('sinon');
+const expect = require('@kbn/expect');
 
 /**
  * Require a new instance of the moment library, bypassing the require cache.

packages/elastic-datemath/__tests__/index.js

@@ -17,7 +17,7 @@
  * under the License.
  */
 
-import moment from 'moment';
+const moment = require('moment');
 
 const unitsMap = {
   ms: { weight: 1, type: 'fixed', base: 1 },
@@ -151,7 +151,7 @@ function parseDateMath(mathString, time, roundUp) {
   return dateTime;
 }
 
-export default {
+module.exports = {
   parse: parse,
   unitsMap: Object.freeze(unitsMap),
   units: Object.freeze(units),

packages/elastic-datemath/src/index.d.ts renamed to packages/elastic-datemath/index.d.ts

@@ -3,22 +3,8 @@
   "version": "5.0.3",
   "description": "elasticsearch datemath parser, used in kibana",
   "license": "Apache-2.0",
-  "main": "target/index.js",
-  "typings": "target/index.d.ts",
-  "scripts": {
-    "build": "babel src --out-dir target --copy-files",
-    "kbn:bootstrap": "yarn build --quiet",
-    "kbn:watch": "yarn build --watch"
-  },
-  "devDependencies": {
-    "@babel/cli": "^7.10.5",
-    "@babel/preset-env": "^7.11.0",
-    "babel-plugin-add-module-exports": "^1.0.2",
-    "moment": "^2.24.0"
-  },
-  "dependencies": {
-    "tslib": "^2.0.0"
-  },
+  "main": "index.js",
+  "typings": "index.d.ts",
   "peerDependencies": {
     "moment": "^2.24.0"
   }

packages/elastic-datemath/src/index.js renamed to packages/elastic-datemath/index.js

@@ -1,10 +1,6 @@
 {
   "extends": "../../tsconfig.json",
-  "compilerOptions": {
-    "declaration": true,
-    "outDir": "./target"
-  },
   "include": [
-    "./src/**/*.ts"
-  ]
+    "index.d.ts"
+  ],
 }