reduce bundle size

package.json

@@ -29,24 +29,24 @@
     "@rollup/plugin-commonjs": "11.0.2",
     "@rollup/plugin-json": "4.0.2",
     "@rollup/plugin-node-resolve": "7.1.1",
+    "ansi-regex": "5.0.0",
     "colorette": "1.1.0",
     "create-test-server": "3.0.1",
     "del": "5.1.0",
     "eslint": "6.8.0",
-    "eslint-config-silverwind": "10.0.0",
+    "eslint-config-silverwind": "10.0.1",
     "execa": "4.0.0",
     "hosted-git-info": "3.0.4",
     "jest": "25.1.0",
     "make-fetch-happen": "8.0.3",
-    "minimist": "1.2.0",
+    "minimist": "1.2.3",
     "node-fetch": "2.6.0",
     "rc": "1.2.8",
     "registry-auth-token": "4.1.1",
-    "rollup": "2.0.2",
+    "rollup": "2.0.3",
     "rollup-plugin-hashbang": "2.2.2",
     "rollup-plugin-terser": "5.3.0",
     "semver": "7.1.3",
-    "string-width": "4.2.0",
     "tempy": "0.5.0",
     "text-table": "0.2.0",
     "versions": "8.2.4"

rollup.config.js

@@ -1,6 +1,20 @@
 const {writeSync} = require("tempy");
 const {name} = require("./package.json");
-const tempFile = writeSync("module.exports = null");
+
+const nullTemp = writeSync("export default null;", {extension: "mjs"});
+const nullRouted = new Set([
+  "cacache",
+  "socks-proxy-agent",
+  "ssri",
+  "stripJsonComments",
+  "encoding",
+]);
+
+const fnTemp = writeSync("export default () => () => {};", {extension: "mjs"});
+const fnRouted = new Set([
+  "depd",
+  "debug",
+]);
 
 module.exports = {
   input: `${name}.js`,
@@ -11,19 +25,24 @@ module.exports = {
   },
   plugins: [
     require("rollup-plugin-hashbang")(),
-    require("@rollup/plugin-json")(),
+    require("@rollup/plugin-json")({
+      indent: "",
+      preferConst: true,
+    }),
     require("@rollup/plugin-node-resolve")({
-      preferBuiltins: true,
       customResolveOptions: {
-        packageFilter: (pkg) => {
-          if (pkg.name === "cacache") {
-            return {main: tempFile};
-          }
+        packageFilter: pkg => {
+          if (nullRouted.has(pkg.name)) return {main: nullTemp, type: "module"};
+          if (fnRouted.has(pkg.name)) return {main: fnTemp, type: "module"};
           return pkg;
-        }
+        },
       }
     }),
-    require("@rollup/plugin-commonjs")(),
-    require("rollup-plugin-terser").terser({output: {comments: false}}),
+    require("@rollup/plugin-commonjs")({
+      sourceMap: false,
+    }),
+    require("rollup-plugin-terser").terser({
+      output: {comments: false},
+    }),
   ],
 };

updates.js

@@ -1,13 +1,13 @@
 #!/usr/bin/env node
 "use strict";
 
+const ansiRegex = require("ansi-regex")();
 const fetch = require("make-fetch-happen");
 const minimist = require("minimist");
 const rat = require("registry-auth-token");
 const rc = require("rc");
 const ru = require("registry-auth-token/registry-url");
 const semver = require("semver");
-const stringWidth = require("string-width");
 const textTable = require("text-table");
 const {cwd: cwdFn} = require("process");
 const {fromUrl} = require("hosted-git-info");
@@ -300,6 +300,7 @@ function fetchFromRegistry(name, registry, auth) {
   const opts = {
     maxSockets,
     cacheManager: null,
+    integrity: null,
     retry: 5,
   };
 
@@ -443,8 +444,8 @@ function formatDeps() {
   }
 
   return textTable(arr, {
-    hsep: " ".repeat(2),
-    stringLength: stringWidth,
+    hsep: "  ",
+    stringLength: str => str.replace(ansiRegex, "").length,
   });
 }