chore: various improvements

1. Return to @deno/emit (simpler for current needs than esbuild)
2. Drop importMap.json in favor of deno.json#/imports
3. Use JSR where applicable
4. Define @lib alias for easier common lib imports
5. Define deno.json/#tasks

Author: mfulton26

2015/day/1/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("(())", expect(0));
 Deno.test("()()", expect(0));

2015/day/1/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test(")", expect(1));
 Deno.test("()())", expect(5));

2015/day/10/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import { lookAndSay } from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("lookAndSay", async (t) => {
   await t.step("1", expect("11"));

2015/day/10/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import { lookAndSay } from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("lookAndSay", async (t) => {
   await t.step("1", expect("11"));

2015/day/11/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve, { isValidPassword } from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("isValidPassword", async (t) => {
   await t.step("hijklmmn", expect(false));

2015/day/11/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import { isValidPassword } from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("isValidPassword", async (t) => {
   await t.step("hijklmmn", expect(false));

2015/day/12/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("[1,2,3]", expect(6));
 Deno.test('{"a":2,"b":4}', expect(6));

2015/day/12/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("[1,2,3]", expect(6));
 Deno.test('[1,{"c":"red","b":2},3]', expect(4));

2015/day/13/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2015/day/13/part/1/solve.ts

@@ -1,4 +1,4 @@
-import permute from "../../../../../lib/permute.ts";
+import permute from "@lib/permute.ts";
 
 export default function solve(input: string) {
   const graph = parsePotentialHappinessGraph(input);

2015/day/13/part/2/solve.ts

@@ -1,4 +1,4 @@
-import permute from "../../../../../lib/permute.ts";
+import permute from "@lib/permute.ts";
 
 export default function solve(input: string) {
   const graph = parsePotentialHappinessGraph(input);

2015/day/14/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2015/day/14/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2015/day/15/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2015/day/15/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2015/day/17/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2015/day/17/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2015/day/18/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2015/day/18/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2015/day/19/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("HOH", expect(4));
 Deno.test("HOHOHO", expect(7));

2015/day/19/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("HOH", expect(3));
 Deno.test("HOHOHO", expect(6));

2015/day/2/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("2x3x4", expect(58));
 Deno.test("1x1x10", expect(43));

2015/day/2/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("2x3x4", expect(34));
 Deno.test("1x1x10", expect(14));

2015/day/21/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import { calculateHitsToWin } from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("calculateHitsToWin", () => {
   assertEquals(

2015/day/22/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("Hit Points: 13", expect(173 + 53));
 Deno.test("Hit Points: 14", expect(229 + 113 + 73 + 173 + 53));

2015/day/23/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import { exec } from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2015/day/24/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2015/day/24/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2015/day/3/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test(">", expect(2));
 Deno.test("^>v<", expect(4));

2015/day/3/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("^v", expect(3));
 Deno.test("^>v<", expect(3));

2015/day/4/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("abcdef", expect(609043));
 Deno.test("pqrstuv", expect(1048970));

2015/day/4/part/1/solve.ts

@@ -1,4 +1,4 @@
-import md5 from "../../../../../lib/md5.ts";
+import md5 from "@lib/md5.ts";
 
 export default function solve(input: string, prefix = "0".repeat(5)) {
   for (let number = 1;; number++) {

2015/day/4/part/2/solve.ts

@@ -1,4 +1,4 @@
-import md5 from "../../../../../lib/md5.ts";
+import md5 from "@lib/md5.ts";
 
 export default function solve(input: string, prefix = "0".repeat(6)) {
   for (let number = 1;; number++) {

2015/day/5/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("ugknbfddgicrmopn", expect(1));
 Deno.test("aaa", expect(1));

2015/day/5/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("qjhvhtzxzqqjkmpb", expect(1));
 Deno.test("xxyxx", expect(1));

2015/day/6/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("turn on 0,0 through 999,999", expect(1000000));
 Deno.test("toggle 0,0 through 999,0", expect(1000));

2015/day/6/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("turn on 0,0 through 0,0", expect(1));
 Deno.test("toggle 0,0 through 999,999", expect(2000000));

2015/day/7/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import { createSignals, parseInstructions } from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2015/day/7/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import { createSignals, parseInstructions } from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2015/day/8/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test('""', expect(2 - 0));
 Deno.test('"abc"', expect(5 - 3));

2015/day/8/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test('""', expect(6 - 2));
 Deno.test('"abc"', expect(9 - 5));

2015/day/9/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2015/day/9/part/1/solve.ts

@@ -1,4 +1,4 @@
-import permute from "../../../../../lib/permute.ts";
+import permute from "@lib/permute.ts";
 
 export default function solve(input: string) {
   const distances = parseDistances(input);

2015/day/9/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2015/day/9/part/2/solve.ts

@@ -1,4 +1,4 @@
-import permute from "../../../../../lib/permute.ts";
+import permute from "@lib/permute.ts";
 
 export default function solve(input: string) {
   const distances = parseDistances(input);

2016/day/1/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("R2, L3", expect(5));
 Deno.test("R2, R2, R2", expect(2));

2016/day/1/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("R8, R4, R4, R8", expect(4));
 

2016/day/2/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2016/day/2/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2016/day/3/part/1/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\

2016/day/3/part/2/solve.test.ts

@@ -1,6 +1,6 @@
 import solve from "./solve.ts";
 
-import { assertEquals } from "../../../../../lib/testing/asserts.ts";
+import { assertEquals } from "@std/assert";
 
 Deno.test("example", () => {
   const input = `\