[REM] utils: remove findInTree and htmlTrim

They were not used and are not in the scope of this project.

src/utils.ts

@@ -13,20 +13,6 @@ export function escape(str: string | number | undefined): string {
     .replace(/`/g, "`");
 }
 
-/**
- * Remove trailing and leading spaces
- */
-export function htmlTrim(s: string): string {
-  let result = s.replace(/(^\s+|\s+$)/g, "");
-  if (s[0] === " ") {
-    result = " " + result;
-  }
-  if (result !== " " && s[s.length - 1] === " ") {
-    result = result + " ";
-  }
-  return result;
-}
-
 export type HashFn = (args: any[]) => string;
 
 export function memoize<R, T extends (...args: any[]) => R>(
@@ -79,32 +65,6 @@ export function debounce(
   };
 }
 
-interface Tree<T> {
-  children: T[];
-}
-
-/**
- * Find a node in a tree.
- *
- * This will traverse the tree (depth first) and return the first child that
- * matches the predicate, if any
- */
-export function findInTree<T extends Tree<T>>(
-  tree: T,
-  predicate: (t: T) => boolean
-): T | null {
-  if (predicate(tree)) {
-    return tree;
-  }
-  for (let child of tree.children) {
-    let match = findInTree(child, predicate);
-    if (match) {
-      return match;
-    }
-  }
-  return null;
-}
-
 export function patch(C: any, patchName: string, patch: any) {
   const proto = C.prototype;
   if (!proto.__patches) {

tests/utils.test.ts

@@ -1,9 +1,7 @@
 import {
   escape,
-  htmlTrim,
   memoize,
   debounce,
-  findInTree,
   patch,
   unpatch
 } from "../src/utils";
@@ -20,20 +18,6 @@ describe("escape", () => {
   });
 });
 
-describe("htmlTrim", () => {
-  test("basic use", () => {
-    expect(htmlTrim("abc")).toBe("abc");
-    expect(htmlTrim("  abc")).toBe(" abc");
-    expect(htmlTrim("abc  ")).toBe("abc ");
-    expect(htmlTrim("   abc   ")).toBe(" abc ");
-    expect(htmlTrim("abc\n   ")).toBe("abc ");
-    expect(htmlTrim("\n ")).toBe(" ");
-    expect(htmlTrim(" \n ")).toBe(" ");
-    expect(htmlTrim("  ")).toBe(" ");
-    expect(htmlTrim("")).toBe("");
-  });
-});
-
 describe("memoize", () => {
   test("return correct value", () => {
     const f = memoize((a, b) => a + b);
@@ -71,19 +55,6 @@ describe("debounce", () => {
   });
 });
 
-describe("findInTree", () => {
-  test("can find stuff in tree", () => {
-    let tree = {
-      id: 1,
-      children: [{ id: 2, children: [] }, { id: 3, key: "hello", children: [] }]
-    };
-    const match1 = findInTree(tree, t => t.id === 3);
-    expect((<any>match1).key).toBe("hello");
-    const match2 = findInTree(tree, t => t.id === 4);
-    expect(match2).toBe(null);
-  });
-});
-
 describe("patch/unpatch", () => {
   test("can monkey patch a class", () => {
     class Test {