Add NavigationPresenter

1 files changed, 0 insertions, 83 deletions

diff --git a/src/content/navigates.ts b/src/content/navigates.ts
deleted file mode 100644
index a2007a6..0000000
--- a/src/content/navigates.ts
+++ /dev/null
@@ -1,83 +0,0 @@
-const REL_PATTERN: {[key: string]: RegExp} = {
-  prev: /^(?:prev(?:ious)?|older)\b|\u2039|\u2190|\xab|\u226a|<</i,
-  next: /^(?:next|newer)\b|\u203a|\u2192|\xbb|\u226b|>>/i,
-};
-
-// Return the last element in the document matching the supplied selector
-// and the optional filter, or null if there are no matches.
-// eslint-disable-next-line func-style
-function selectLast<E extends Element>(
-  win: Window,
-  selector: string,
-  filter?: (e: E) => boolean,
-): E | null {
-  let nodes = Array.from(
-    win.document.querySelectorAll(selector) as NodeListOf<E>
-  );
-
-  if (filter) {
-    nodes = nodes.filter(filter);
-  }
-  return nodes.length ? nodes[nodes.length - 1] : null;
-}
-
-const historyPrev = (win: Window): void => {
-  win.history.back();
-};
-
-const historyNext = (win: Window): void => {
-  win.history.forward();
-};
-
-// Code common to linkPrev and linkNext which navigates to the specified page.
-const linkRel = (win: Window, rel: string): void => {
-  let link = selectLast<HTMLLinkElement>(win, `link[rel~=${rel}][href]`);
-  if (link) {
-    win.location.href = link.href;
-    return;
-  }
-
-  const pattern = REL_PATTERN[rel];
-
-  let a = selectLast<HTMLAnchorElement>(win, `a[rel~=${rel}][href]`) ||
-    // `innerText` is much slower than `textContent`, but produces much better
-    // (i.e. less unexpected) results
-    selectLast(win, 'a[href]', lnk => pattern.test(lnk.innerText));
-
-  if (a) {
-    a.click();
-  }
-};
-
-const linkPrev = (win: Window): void => {
-  linkRel(win, 'prev');
-};
-
-const linkNext = (win: Window): void => {
-  linkRel(win, 'next');
-};
-
-const parent = (win: Window): void => {
-  const loc = win.location;
-  if (loc.hash !== '') {
-    loc.hash = '';
-    return;
-  } else if (loc.search !== '') {
-    loc.search = '';
-    return;
-  }
-
-  const basenamePattern = /\/[^/]+$/;
-  const lastDirPattern = /\/[^/]+\/$/;
-  if (basenamePattern.test(loc.pathname)) {
-    loc.pathname = loc.pathname.replace(basenamePattern, '/');
-  } else if (lastDirPattern.test(loc.pathname)) {
-    loc.pathname = loc.pathname.replace(lastDirPattern, '/');
-  }
-};
-
-const root = (win: Window): void => {
-  win.location.href = win.location.origin;
-};
-
-export { historyPrev, historyNext, linkPrev, linkNext, parent, root };