exercism · SleeplessByte · Dec 22, 2020 · Dec 14, 2020 · Dec 18, 2020 · Dec 22, 2020
diff --git a/common/package.json b/common/package.json
diff --git a/exercises/accumulate/package.json b/exercises/accumulate/package.json
diff --git a/exercises/all-your-base/package.json b/exercises/all-your-base/package.json
diff --git a/exercises/allergies/package.json b/exercises/allergies/package.json
diff --git a/exercises/alphametics/package.json b/exercises/alphametics/package.json
diff --git a/exercises/anagram/package.json b/exercises/anagram/package.json
diff --git a/exercises/armstrong-numbers/package.json b/exercises/armstrong-numbers/package.json
diff --git a/exercises/beer-song/package.json b/exercises/beer-song/package.json
diff --git a/exercises/binary-search/package.json b/exercises/binary-search/package.json
diff --git a/exercises/bob/package.json b/exercises/bob/package.json
diff --git a/exercises/bowling/package.json b/exercises/bowling/package.json
diff --git a/exercises/circular-buffer/package.json b/exercises/circular-buffer/package.json
diff --git a/exercises/clock/package.json b/exercises/clock/package.json
diff --git a/exercises/collatz-conjecture/package.json b/exercises/collatz-conjecture/package.json
diff --git a/exercises/complex-numbers/package.json b/exercises/complex-numbers/package.json
diff --git a/exercises/connect/package.json b/exercises/connect/package.json
diff --git a/exercises/crypto-square/package.json b/exercises/crypto-square/package.json
diff --git a/exercises/custom-set/package.json b/exercises/custom-set/package.json
diff --git a/exercises/diamond/package.json b/exercises/diamond/package.json
diff --git a/exercises/diffie-hellman/package.json b/exercises/diffie-hellman/package.json
diff --git a/exercises/etl/package.json b/exercises/etl/package.json
diff --git a/exercises/flatten-array/package.json b/exercises/flatten-array/package.json
diff --git a/exercises/food-chain/package.json b/exercises/food-chain/package.json
diff --git a/exercises/gigasecond/package.json b/exercises/gigasecond/package.json
diff --git a/exercises/grade-school/package.json b/exercises/grade-school/package.json
diff --git a/exercises/grains/package.json b/exercises/grains/package.json
diff --git a/exercises/hamming/package.json b/exercises/hamming/package.json
diff --git a/exercises/hello-world/package.json b/exercises/hello-world/package.json
diff --git a/exercises/house/package.json b/exercises/house/package.json
diff --git a/exercises/isbn-verifier/package.json b/exercises/isbn-verifier/package.json
diff --git a/exercises/isogram/package.json b/exercises/isogram/package.json
diff --git a/exercises/leap/package.json b/exercises/leap/package.json
diff --git a/exercises/linked-list/package.json b/exercises/linked-list/package.json
diff --git a/exercises/list-ops/package.json b/exercises/list-ops/package.json
diff --git a/exercises/luhn/package.json b/exercises/luhn/package.json
diff --git a/exercises/matrix/package.json b/exercises/matrix/package.json
diff --git a/exercises/minesweeper/package.json b/exercises/minesweeper/package.json
diff --git a/exercises/nucleotide-count/package.json b/exercises/nucleotide-count/package.json
diff --git a/exercises/palindrome-products/package.json b/exercises/palindrome-products/package.json
diff --git a/exercises/pangram/package.json b/exercises/pangram/package.json
diff --git a/exercises/pascals-triangle/package.json b/exercises/pascals-triangle/package.json
diff --git a/exercises/perfect-numbers/package.json b/exercises/perfect-numbers/package.json
diff --git a/exercises/phone-number/package.json b/exercises/phone-number/package.json
diff --git a/exercises/pig-latin/package.json b/exercises/pig-latin/package.json
diff --git a/exercises/prime-factors/package.json b/exercises/prime-factors/package.json
diff --git a/exercises/protein-translation/package.json b/exercises/protein-translation/package.json
diff --git a/exercises/proverb/package.json b/exercises/proverb/package.json
diff --git a/exercises/queen-attack/package.json b/exercises/queen-attack/package.json
diff --git a/exercises/raindrops/package.json b/exercises/raindrops/package.json
diff --git a/exercises/rational-numbers/package.json b/exercises/rational-numbers/package.json
diff --git a/exercises/rectangles/package.json b/exercises/rectangles/package.json
diff --git a/exercises/resistor-color-duo/package.json b/exercises/resistor-color-duo/package.json
diff --git a/exercises/resistor-color/package.json b/exercises/resistor-color/package.json
diff --git a/exercises/reverse-string/package.json b/exercises/reverse-string/package.json
diff --git a/exercises/rna-transcription/package.json b/exercises/rna-transcription/package.json
diff --git a/exercises/robot-name/package.json b/exercises/robot-name/package.json
diff --git a/exercises/roman-numerals/package.json b/exercises/roman-numerals/package.json
diff --git a/exercises/rotational-cipher/package.json b/exercises/rotational-cipher/package.json
diff --git a/exercises/run-length-encoding/package.json b/exercises/run-length-encoding/package.json
diff --git a/exercises/saddle-points/package.json b/exercises/saddle-points/package.json
diff --git a/exercises/say/package.json b/exercises/say/package.json
diff --git a/exercises/scrabble-score/package.json b/exercises/scrabble-score/package.json
diff --git a/exercises/secret-handshake/package.json b/exercises/secret-handshake/package.json
diff --git a/exercises/sieve/package.json b/exercises/sieve/package.json
diff --git a/exercises/simple-cipher/package.json b/exercises/simple-cipher/package.json
diff --git a/exercises/space-age/package.json b/exercises/space-age/package.json
diff --git a/exercises/spiral-matrix/package.json b/exercises/spiral-matrix/package.json
diff --git a/exercises/strain/package.json b/exercises/strain/package.json
diff --git a/exercises/sublist/package.json b/exercises/sublist/package.json
diff --git a/exercises/sum-of-multiples/package.json b/exercises/sum-of-multiples/package.json
diff --git a/exercises/transpose/.meta/tests.toml b/exercises/transpose/.meta/tests.toml
@@ -32,3 +32,6 @@
 
 # triangle
 "b80badc9-057e-4543-bd07-ce1296a1ea2c" = true
+
+# jagged triangle
+"76acfd50-5596-4d05-89f1-5116328a7dd9" = true
diff --git a/exercises/transpose/package.json b/exercises/transpose/package.json
diff --git a/exercises/transpose/transpose.example.ts b/exercises/transpose/transpose.example.ts
@@ -1,17 +1,18 @@
-class Transpose {
-  public static transpose(lines: string[]): string[] {
-    return lines.reduce((result: string[], line, lineNo) => {
-      line.split("").map((value, key) => {
-        if (typeof result[key] === "undefined") {
-          result[key] = new Array(lineNo + 1).join(" ")
-        }
+const fillColumn: (t: string[], l: string, r: number) => void =
+  (transposed, fromSource, toColumn) => {
+    for (let row = 0; row < fromSource.length; row++) {
+      transposed[row] =
+        (row in transposed ? transposed[row] : '').padEnd(toColumn) +
+        fromSource.charAt(row)
+    }
+  }
 
-        result[key] += value
-      })
+function transpose(lines: string[]): string[] {
+  const transposed: string[] = []
+  for (let toColumn = 0; toColumn < lines.length; toColumn++)
+    fillColumn(transposed, lines[toColumn], toColumn)
 
-      return result
-    }, [])
-  }
+  return transposed
 }
 
-export default Transpose
+export default transpose
diff --git a/exercises/transpose/transpose.test.ts b/exercises/transpose/transpose.test.ts
@@ -1,24 +1,24 @@
-import Transpose from "./transpose"
+import transpose from "./transpose"
 
 describe("Transpose", () => {
   it("empty string", () => {
     const expected: string[] = []
-    expect(Transpose.transpose([])).toEqual(expected)
+    expect(transpose([])).toEqual(expected)
   })
 
   xit("two characters in a row", () => {
     const expected = ["A", "1"]
-    expect(Transpose.transpose(["A1"])).toEqual(expected)
+    expect(transpose(["A1"])).toEqual(expected)
   })
 
   xit("two characters in a column", () => {
     const expected = ["A1"]
-    expect(Transpose.transpose(["A", "1"])).toEqual(expected)
+    expect(transpose(["A", "1"])).toEqual(expected)
   })
 
   xit("simple", () => {
     const expected = ["A1", "B2", "C3"]
-    expect(Transpose.transpose(["ABC", "123"])).toEqual(expected)
+    expect(transpose(["ABC", "123"])).toEqual(expected)
   })
 
   xit("single line", () => {
@@ -36,7 +36,7 @@ describe("Transpose", () => {
       "e",
       "."
     ]
-    expect(Transpose.transpose(["Single line."])).toEqual(expected)
+    expect(transpose(["Single line."])).toEqual(expected)
   })
 
   xit("first line longer than second line", () => {
@@ -59,7 +59,7 @@ describe("Transpose", () => {
       "."
     ]
     expect(
-      Transpose.transpose(["The fourth line.", "The fifth line."])
+      transpose(["The fourth line.", "The fifth line."])
     ).toEqual(expected)
   })
 
@@ -83,14 +83,14 @@ describe("Transpose", () => {
       " ."
     ]
     expect(
-      Transpose.transpose(["The first line.", "The second line."])
+      transpose(["The first line.", "The second line."])
     ).toEqual(expected)
   })
 
   xit("square", () => {
     const expected = ["HEART", "EMBER", "ABUSE", "RESIN", "TREND"]
     expect(
-      Transpose.transpose(["HEART", "EMBER", "ABUSE", "RESIN", "TREND"])
+      transpose(["HEART", "EMBER", "ABUSE", "RESIN", "TREND"])
     ).toEqual(expected)
   })
 
@@ -106,7 +106,7 @@ describe("Transpose", () => {
       "EDGE"
     ]
     expect(
-      Transpose.transpose(["FRACTURE", "OUTLINED", "BLOOMING", "SEPTETTE"])
+      transpose(["FRACTURE", "OUTLINED", "BLOOMING", "SEPTETTE"])
     ).toEqual(expected)
   })
 
@@ -120,7 +120,29 @@ describe("Transpose", () => {
       "     R"
     ]
     expect(
-      Transpose.transpose(["T", "EE", "AAA", "SSSS", "EEEEE", "RRRRRR"])
+      transpose(["T", "EE", "AAA", "SSSS", "EEEEE", "RRRRRR"])
+    ).toEqual(expected)
+  })
+
+  xit("jagged triangle", () => {
+    const expected = [
+      "123456",
+      "1 3456",
+      "  3456",
+      "  3 56",
+      "    56",
+      "    5"
+    ]
+
+    expect(
+      transpose([
+        "11",
+        "2",
+        "3333",
+        "444",
+        "555555",
+        "66666"
+      ])
     ).toEqual(expected)
   })
 
@@ -164,24 +186,24 @@ describe("Transpose", () => {
       " et  tormsural",
       "dniuthwea'g t ",
       "iennwesnr hsts",
-      "g,ycoitkrttet",
-      "n,l rs'a anr",
-      "ief 'dgcgdi",
-      "taol  eoe,v",
-      "yneisl,u;e",
-      ",.sftol ",
-      "     ervdt",
-      "     ;ie o",
-      "       f,r ",
-      "       eem",
-      "       .me",
-      "          on",
-      "          vd",
-      "          e.",
-      "          ,"
+      "g,ycoi tkrttet",
+      "n ,l r s'a anr",
+      "i  ef  'dgcgdi",
+      "t  aol   eoe,v",
+      "y  nei sl,u; e",
+      ",  .sf to l   ",
+      "     e rv d  t",
+      "     ; ie    o",
+      "       f, r   ",
+      "       e  e  m",
+      "       .  m  e",
+      "          o  n",
+      "          v  d",
+      "          e  .",
+      "          ,",
     ]
     expect(
-      Transpose.transpose([
+      transpose([
         "Chor. Two households, both alike in dignity,",
         "In fair Verona, where we lay our scene,",
         "From ancient grudge break to new mutiny,",

diff --git a/exercises/transpose/transpose.ts b/exercises/transpose/transpose.ts
@@ -0,0 +1,5 @@
+function transpose(_lines: string[]): string[] {
+  return []
+}
+
+export default transpose
diff --git a/exercises/twelve-days/package.json b/exercises/twelve-days/package.json
diff --git a/exercises/two-bucket/package.json b/exercises/two-bucket/package.json
diff --git a/exercises/two-fer/package.json b/exercises/two-fer/package.json
diff --git a/exercises/variable-length-quantity/package.json b/exercises/variable-length-quantity/package.json
diff --git a/exercises/word-count/package.json b/exercises/word-count/package.json
diff --git a/exercises/word-search/package.json b/exercises/word-search/package.json
diff --git a/exercises/wordy/package.json b/exercises/wordy/package.json