Refactor all the things

2023-08-28 17:12:15 +02:00
parent 54d2deea15
commit 5ff1a8bae3
87 changed files with 930 additions and 896 deletions
@@ -0,0 +1,142 @@
+import { editor } from "$sb/syscalls.ts";
+
+export async function quoteSelection() {
+  let text = await editor.getText();
+  const selection = await editor.getSelection();
+  let from = selection.from;
+  while (from >= 0 && text[from] !== "\n") {
+    from--;
+  }
+  from++;
+  if (text[from] === ">" && text[from + 1] === " ") {
+    // Already quoted, we have to unquote
+    text = text.slice(from + 2, selection.to);
+    text = text.replaceAll("\n> ", "\n");
+  } else {
+    text = text.slice(from, selection.to);
+    text = `> ${text.replaceAll("\n", "\n> ")}`;
+  }
+  await editor.replaceRange(from, selection.to, text);
+}
+
+export async function listifySelection() {
+  let text = await editor.getText();
+  const selection = await editor.getSelection();
+
+  //if very first of doc, just add a bullet and end
+  if (selection.to == 0 && selection.from == 0) {
+    await editor.insertAtCursor("* ");
+    return;
+  }
+
+  let from = selection.from;
+  if (text[from] == "\n") {
+    //end of line, need to find previous line break
+    from--;
+  }
+  while (from >= 0 && text[from] !== "\n") {
+    from--;
+  }
+  from++;
+  text = text.slice(from, selection.to);
+  text = `* ${text.replaceAll(/\n(?!\n)/g, "\n* ")}`;
+  await editor.replaceRange(from, selection.to, text);
+}
+
+export async function numberListifySelection() {
+  let text = await editor.getText();
+  const selection = await editor.getSelection();
+  let from = selection.from;
+  while (from >= 0 && text[from] !== "\n") {
+    from--;
+  }
+  from++;
+  text = text.slice(from, selection.to);
+  let counter = 1;
+  text = `1. ${
+    text.replaceAll(/\n(?!\n)/g, () => {
+      counter++;
+      return `\n${counter}. `;
+    })
+  }`;
+  await editor.replaceRange(from, selection.to, text);
+}
+
+export async function linkSelection() {
+  const text = await editor.getText();
+  const selection = await editor.getSelection();
+  const textSelection = text.slice(selection.from, selection.to);
+  let linkedText = `[]()`;
+  let pos = 1;
+  if (textSelection.length > 0) {
+    try {
+      new URL(textSelection);
+      linkedText = `[](${textSelection})`;
+    } catch {
+      linkedText = `[${textSelection}]()`;
+      pos = linkedText.length - 1;
+    }
+  }
+  await editor.replaceRange(selection.from, selection.to, linkedText);
+  await editor.moveCursor(selection.from + pos);
+}
+
+export function wrapSelection(cmdDef: any) {
+  return insertMarker(cmdDef.wrapper);
+}
+
+async function insertMarker(marker: string) {
+  const text = await editor.getText();
+  const selection = await editor.getSelection();
+  if (selection.from === selection.to) {
+    // empty selection
+    if (markerAt(selection.from)) {
+      // Already there, skipping ahead
+      await editor.moveCursor(selection.from + marker.length);
+    } else {
+      // Not there, inserting
+      await editor.insertAtCursor(marker + marker);
+      await editor.moveCursor(selection.from + marker.length);
+    }
+  } else {
+    let from = selection.from;
+    let to = selection.to;
+    let hasMarker = markerAt(from);
+    if (!markerAt(from)) {
+      // Maybe just before the cursor? We'll accept that
+      from = selection.from - marker.length;
+      to = selection.to + marker.length;
+      hasMarker = markerAt(from);
+    }
+
+    if (!hasMarker) {
+      // Adding
+      await editor.replaceRange(
+        selection.from,
+        selection.to,
+        marker + text.slice(selection.from, selection.to) + marker,
+      );
+      await editor.setSelection(
+        selection.from + marker.length,
+        selection.to + marker.length,
+      );
+    } else {
+      // Removing
+      await editor.replaceRange(
+        from,
+        to,
+        text.substring(from + marker.length, to - marker.length),
+      );
+      await editor.setSelection(from, to - marker.length * 2);
+    }
+  }
+
+  function markerAt(pos: number) {
+    for (let i = 0; i < marker.length; i++) {
+      if (text[pos + i] !== marker[i]) {
+        return false;
+      }
+    }
+    return true;
+  }
+}