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Merged
merged 2 commits into from
Jul 11, 2024
Merged

Add TypeScript goodies for traversing binary trees #157

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4ad63d1
Add TypeScript goodies for traversing binary trees
miorel Jul 10, 2024
591f04f
Rename a variable
miorel Jul 11, 2024
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15 changes: 15 additions & 0 deletions tools/adventure-pack/goodies/typescript/traverseInorder/index.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
export function* traverseInorder<
T extends { left?: T | null | undefined; right?: T | null | undefined },
>(root: T | null | undefined): Generator<T, void, void> {
const stack: [T | null | undefined, boolean][] = [[root, false]];
while (stack.length > 0) {
const [node, didTraverseLeftChild] = stack.pop()!;
if (node) {
if (didTraverseLeftChild) {
yield node;
} else {
stack.push([node.right, false], [node, true], [node.left, false]);
}
}
}
}
15 changes: 15 additions & 0 deletions tools/adventure-pack/goodies/typescript/traversePostorder/index.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
export function* traversePostorder<
T extends { left?: T | null | undefined; right?: T | null | undefined },
>(root: T | null | undefined): Generator<T, void, void> {
const stack: [T | null | undefined, boolean][] = [[root, false]];
while (stack.length > 0) {
const [node, didTraverseChildren] = stack.pop()!;
if (node) {
if (didTraverseChildren) {
yield node;
} else {
stack.push([node, true], [node.right, false], [node.left, false]);
}
}
}
}
12 changes: 12 additions & 0 deletions tools/adventure-pack/goodies/typescript/traversePreorder/index.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
export function* traversePreorder<
T extends { left?: T | null | undefined; right?: T | null | undefined },
>(root: T | null | undefined): Generator<T, void, void> {
const stack = [root];
while (stack.length > 0) {
const node = stack.pop();
if (node) {
yield node;
stack.push(node.right, node.left);
}
}
}
132 changes: 132 additions & 0 deletions tools/adventure-pack/src/app/__tests__/__snapshots__/equip-test.ts.snap
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Original file line number Diff line number Diff line change
Expand Up @@ -827,6 +827,69 @@ function compareNatural(a, b) {
/////////////////////////// END ADVENTURE PACK CODE ////////////////////////////"
`;

exports[`App can equip single goody: JavaScript traverseInorder 1`] = `
"////////////////////////// BEGIN ADVENTURE PACK CODE ///////////////////////////
// Adventure Pack commit fake-commit-hash
// Running at: https://example.com/

function* traverseInorder(root) {
const stack = [[root, false]];
while (stack.length > 0) {
const [node, didTraverseLeftChild] = stack.pop();
if (node) {
if (didTraverseLeftChild) {
yield node;
} else {
stack.push([node.right, false], [node, true], [node.left, false]);
}
}
}
}

/////////////////////////// END ADVENTURE PACK CODE ////////////////////////////"
`;

exports[`App can equip single goody: JavaScript traversePostorder 1`] = `
"////////////////////////// BEGIN ADVENTURE PACK CODE ///////////////////////////
// Adventure Pack commit fake-commit-hash
// Running at: https://example.com/

function* traversePostorder(root) {
const stack = [[root, false]];
while (stack.length > 0) {
const [node, didTraverseChildren] = stack.pop();
if (node) {
if (didTraverseChildren) {
yield node;
} else {
stack.push([node, true], [node.right, false], [node.left, false]);
}
}
}
}

/////////////////////////// END ADVENTURE PACK CODE ////////////////////////////"
`;

exports[`App can equip single goody: JavaScript traversePreorder 1`] = `
"////////////////////////// BEGIN ADVENTURE PACK CODE ///////////////////////////
// Adventure Pack commit fake-commit-hash
// Running at: https://example.com/

function* traversePreorder(root) {
const stack = [root];
while (stack.length > 0) {
const node = stack.pop();
if (node) {
yield node;
stack.push(node.right, node.left);
}
}
}

/////////////////////////// END ADVENTURE PACK CODE ////////////////////////////"
`;

exports[`App can equip single goody: Kotlin gcd(Int,Int) 1`] = `
"////////////////////////// BEGIN ADVENTURE PACK CODE ///////////////////////////
// Adventure Pack commit fake-commit-hash
Expand Down Expand Up @@ -1956,3 +2019,72 @@ function compareNatural<T>(a: T, b: T): number {

/////////////////////////// END ADVENTURE PACK CODE ////////////////////////////"
`;

exports[`App can equip single goody: TypeScript traverseInorder 1`] = `
"////////////////////////// BEGIN ADVENTURE PACK CODE ///////////////////////////
// Adventure Pack commit fake-commit-hash
// Running at: https://example.com/

function* traverseInorder<
T extends { left?: T | null | undefined; right?: T | null | undefined },
>(root: T | null | undefined): Generator<T, void, void> {
const stack: [T | null | undefined, boolean][] = [[root, false]];
while (stack.length > 0) {
const [node, didTraverseLeftChild] = stack.pop()!;
if (node) {
if (didTraverseLeftChild) {
yield node;
} else {
stack.push([node.right, false], [node, true], [node.left, false]);
}
}
}
}

/////////////////////////// END ADVENTURE PACK CODE ////////////////////////////"
`;

exports[`App can equip single goody: TypeScript traversePostorder 1`] = `
"////////////////////////// BEGIN ADVENTURE PACK CODE ///////////////////////////
// Adventure Pack commit fake-commit-hash
// Running at: https://example.com/

function* traversePostorder<
T extends { left?: T | null | undefined; right?: T | null | undefined },
>(root: T | null | undefined): Generator<T, void, void> {
const stack: [T | null | undefined, boolean][] = [[root, false]];
while (stack.length > 0) {
const [node, didTraverseChildren] = stack.pop()!;
if (node) {
if (didTraverseChildren) {
yield node;
} else {
stack.push([node, true], [node.right, false], [node.left, false]);
}
}
}
}

/////////////////////////// END ADVENTURE PACK CODE ////////////////////////////"
`;

exports[`App can equip single goody: TypeScript traversePreorder 1`] = `
"////////////////////////// BEGIN ADVENTURE PACK CODE ///////////////////////////
// Adventure Pack commit fake-commit-hash
// Running at: https://example.com/

function* traversePreorder<
T extends { left?: T | null | undefined; right?: T | null | undefined },
>(root: T | null | undefined): Generator<T, void, void> {
const stack = [root];
while (stack.length > 0) {
const node = stack.pop();
if (node) {
yield node;
stack.push(node.right, node.left);
}
}
}

/////////////////////////// END ADVENTURE PACK CODE ////////////////////////////"
`;
96 changes: 96 additions & 0 deletions tools/adventure-pack/src/app/__tests__/__snapshots__/render-test.ts.snap
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Original file line number Diff line number Diff line change
Expand Up @@ -507,6 +507,51 @@ exports[`App can render goody: JavaScript compareNatural 1`] = `
}"
`;

exports[`App can render goody: JavaScript traverseInorder 1`] = `
"export function* traverseInorder(root) {
const stack = [[root, false]];
while (stack.length > 0) {
const [node, didTraverseLeftChild] = stack.pop();
if (node) {
if (didTraverseLeftChild) {
yield node;
} else {
stack.push([node.right, false], [node, true], [node.left, false]);
}
}
}
}"
`;

exports[`App can render goody: JavaScript traversePostorder 1`] = `
"export function* traversePostorder(root) {
const stack = [[root, false]];
while (stack.length > 0) {
const [node, didTraverseChildren] = stack.pop();
if (node) {
if (didTraverseChildren) {
yield node;
} else {
stack.push([node, true], [node.right, false], [node.left, false]);
}
}
}
}"
`;

exports[`App can render goody: JavaScript traversePreorder 1`] = `
"export function* traversePreorder(root) {
const stack = [root];
while (stack.length > 0) {
const node = stack.pop();
if (node) {
yield node;
stack.push(node.right, node.left);
}
}
}"
`;

exports[`App can render goody: Kotlin gcd(Int,Int) 1`] = `
"package gcd_int_int

Expand Down Expand Up @@ -1226,3 +1271,54 @@ exports[`App can render goody: TypeScript compareNatural 1`] = `
throw new Error("Comparing mismatched types!");
}"
`;

exports[`App can render goody: TypeScript traverseInorder 1`] = `
"export function* traverseInorder<
T extends { left?: T | null | undefined; right?: T | null | undefined },
>(root: T | null | undefined): Generator<T, void, void> {
const stack: [T | null | undefined, boolean][] = [[root, false]];
while (stack.length > 0) {
const [node, didTraverseLeftChild] = stack.pop()!;
if (node) {
if (didTraverseLeftChild) {
yield node;
} else {
stack.push([node.right, false], [node, true], [node.left, false]);
}
}
}
}"
`;

exports[`App can render goody: TypeScript traversePostorder 1`] = `
"export function* traversePostorder<
T extends { left?: T | null | undefined; right?: T | null | undefined },
>(root: T | null | undefined): Generator<T, void, void> {
const stack: [T | null | undefined, boolean][] = [[root, false]];
while (stack.length > 0) {
const [node, didTraverseChildren] = stack.pop()!;
if (node) {
if (didTraverseChildren) {
yield node;
} else {
stack.push([node, true], [node.right, false], [node.left, false]);
}
}
}
}"
`;

exports[`App can render goody: TypeScript traversePreorder 1`] = `
"export function* traversePreorder<
T extends { left?: T | null | undefined; right?: T | null | undefined },
>(root: T | null | undefined): Generator<T, void, void> {
const stack = [root];
while (stack.length > 0) {
const node = stack.pop();
if (node) {
yield node;
stack.push(node.right, node.left);
}
}
}"
`;