Clean up CLI output a bit. (#3654)

* Clean up CLI output a bit.

* Clean up string template.

.eleventy.js

@@ -15,6 +15,7 @@
  */
 
 const path = require('path');
+const chalk = require('chalk');
 const pluginRss = require('@11ty/eleventy-plugin-rss');
 const pluginSyntaxHighlight = require('@11ty/eleventy-plugin-syntaxhighlight');
 
@@ -91,6 +92,7 @@ const {
 } = require(`./${transformsDir}/service-worker-partials`);
 
 module.exports = function (config) {
+  console.log(chalk.black.bgGreen('Eleventy is building, please wait…'));
   const isProd = process.env.ELEVENTY_ENV === 'prod';
 
   // ----------------------------------------------------------------------------

package.json

@@ -37,10 +37,10 @@
     "test:unit": "mocha ./test/unit && npm run test:lib",
     "test": "npm run test:unit && npm run test:lib && npm run test:integration",
     "watch:eleventy": "eleventy --watch --quiet",
-    "watch:gulp": "npx gulp build && gulp watch",
-    "watch:rollup": "chokidar \"src/lib/**/*.{js,scss}\" -c \"npm run rollup\"",
-    "watch:rollup-sw": "chokidar \"src/lib/**/*.js\" -c \"npm run rollup-sw\"",
-    "watch:sass": "chokidar \"src/styles/**/*.scss\" -c \"npm run sass\"",
+    "watch:gulp": "npx gulp build --silent && gulp watch --silent",
+    "watch:rollup": "chokidar \"src/lib/**/*.{js,scss}\" -c --silent \"npm run rollup\"",
+    "watch:rollup-sw": "chokidar \"src/lib/**/*.js\" -c --silent \"npm run rollup-sw\"",
+    "watch:sass": "chokidar \"src/styles/**/*.scss\" -c --silent \"npm run sass\"",
     "watch:test:lib": "TEST_MODE=dev npm-run-all clean rollup --parallel watch:rollup karma"
   },
   "license": "Apache-2.0",

src/site/_filters/find-by-url.js

@@ -14,9 +14,6 @@
  * limitations under the License.
  */
 
-const chalk = require('chalk');
-const warn = chalk.black.bgYellow;
-
 let memo;
 
 /**
@@ -33,11 +30,6 @@ let memo;
  * @see {@link https://github.com/11ty/eleventy/issues/399}
  */
 const memoize = (collection) => {
-  if (memo && Object.keys(memo).length) {
-    /* eslint-disable-next-line */
-    console.warn(warn(`Overwriting existing memoized collection!`));
-  }
-
   memo = {};
   collection.forEach((item) => {
     if (item.url) {