URL highlighting with inline CM

src-web/App.tsx

@@ -63,7 +63,7 @@ function App() {
               <Editor
                 key={request.id}
                 useTemplating
-                defaultValue={request.body}
+                defaultValue={request.body ?? undefined}
                 contentType="application/json"
                 onChange={(body) => updateRequest.mutate({ body })}
               />

src-web/components/Editor/Editor.css

@@ -4,14 +4,21 @@
     position: relative;
 }
 
-.cm-editor {
+.cm-wrapper .cm-editor {
     position: absolute !important;
     left: 0;
     right: 0;
     top: 0;
     bottom: 0;
-    font-size: 0.9rem;
-    font-family: monospace;
+}
+
+.cm-editor {
+    width: 100%;
+    display: block;
+}
+
+.cm-singleline .cm-scroller {
+    overflow: hidden !important;;
 }
 
 .cm-editor .cm-tooltip {
@@ -35,14 +42,22 @@
     outline: none !important;
 }
 
-.cm-editor.cm-focused .cm-scroller {
+.cm-multiline.cm-editor.cm-focused .cm-scroller {
     box-shadow: 0 0 0 1px hsl(var(--color-blue-400)/0.4);
 }
 
 .cm-editor .cm-line {
+    color: hsl(var(--color-gray-900));
+}
+
+.cm-multiline .cm-editor .cm-line {
     padding-left: 1em;
     padding-right: 1.5em;
-    color: hsl(var(--color-gray-900));
+}
+
+.cm-singleline .cm-scroller {
+    display: flex;
+    align-items: center !important;
 }
 
 .cm-editor .cm-gutters {

src-web/components/Editor/Editor.tsx

@@ -1,22 +1,81 @@
 import './Editor.css';
-import { useEffect, useMemo, useRef } from 'react';
+import { HTMLAttributes, useEffect, useMemo, useRef } from 'react';
 import { EditorView } from 'codemirror';
-import { baseExtensions, syntaxExtension } from './extensions';
-import { EditorState } from '@codemirror/state';
+import { baseExtensions, multiLineExtensions, syntaxExtension } from './extensions';
+import { EditorState, Transaction, EditorSelection } from '@codemirror/state';
+import type { TransactionSpec } from '@codemirror/state';
+import classnames from 'classnames';
+import { autocompletion } from '@codemirror/autocomplete';
 
-interface Props {
+interface Props extends Omit<HTMLAttributes<HTMLDivElement>, 'onChange'> {
   contentType: string;
   useTemplating?: boolean;
-  defaultValue?: string | null;
   onChange?: (value: string) => void;
+  onSubmit?: () => void;
+  singleLine?: boolean;
 }
 
-export default function Editor({ contentType, useTemplating, defaultValue, onChange }: Props) {
+export default function Editor({
+  contentType,
+  useTemplating,
+  defaultValue,
+  onChange,
+  onSubmit,
+  className,
+  singleLine,
+  ...props
+}: Props) {
   const ref = useRef<HTMLDivElement>(null);
   const extensions = useMemo(() => {
     const ext = syntaxExtension({ contentType, useTemplating });
     return [
+      autocompletion(),
+      ...(singleLine
+        ? [
+            EditorView.domEventHandlers({
+              keydown: (e) => {
+                // TODO: Figure out how to not have this mess up autocomplete
+                if (e.key === 'Enter') {
+                  e.preventDefault();
+                  onSubmit?.();
+                }
+              },
+            }),
+            EditorState.transactionFilter.of(
+              (tr: Transaction): TransactionSpec | TransactionSpec[] => {
+                if (!tr.isUserEvent('input.paste')) {
+                  return tr;
+                }
+                console.log('GOT PASTE', tr);
+
+                // let addedNewline = false;
+                const trs: TransactionSpec[] = [];
+                tr.changes.iterChanges((fromA, toA, fromB, toB, inserted) => {
+                  // console.log('CHANGE', { fromA, toA }, { fromB, toB }, inserted);
+                  let insert = '';
+                  for (const line of inserted) {
+                    insert += line.replace('\n', '');
+                  }
+                  trs.push({
+                    ...tr,
+                    selection: undefined,
+                    changes: [{ from: fromB, to: toA, insert }],
+                  });
+                });
+
+                // selection: EditorSelection.create([EditorSelection.cursor(8)], 1),
+                // console.log('TRS', trs, tr);
+                trs.push({
+                  selection: EditorSelection.create([EditorSelection.cursor(8)], 1),
+                });
+                return trs;
+                // return addedNewline ? [] : tr;
+              },
+            ),
+          ]
+        : []),
       ...baseExtensions,
+      ...(!singleLine ? [multiLineExtensions] : []),
       ...(ext ? [ext] : []),
       EditorView.updateListener.of((update) => {
         if (typeof onChange === 'function') {
@@ -33,7 +92,7 @@ export default function Editor({ contentType, useTemplating, defaultValue, onCha
     try {
       view = new EditorView({
         state: EditorState.create({
-          doc: defaultValue ?? '',
+          doc: `${defaultValue ?? ''}`,
           extensions: extensions,
         }),
         parent: ref.current,
@@ -44,5 +103,15 @@ export default function Editor({ contentType, useTemplating, defaultValue, onCha
     return () => view?.destroy();
   }, [ref.current]);
 
-  return <div ref={ref} className="cm-wrapper" />;
+  return (
+    <div
+      ref={ref}
+      className={classnames(
+        className,
+        'cm-wrapper text-base',
+        singleLine ? 'cm-singleline' : 'cm-multiline',
+      )}
+      {...props}
+    />
+  );
 }

src-web/components/Editor/extensions.ts

@@ -40,6 +40,7 @@ import {
   completionKeymap,
 } from '@codemirror/autocomplete';
 import { placeholders } from './widgets';
+import { url } from './url/extension';
 
 export const myHighlightStyle = HighlightStyle.define([
   {
@@ -84,6 +85,7 @@ const syntaxExtensions: Record<string, { base: LanguageSupport; ext: any[] }> =
   'text/html': { base: html(), ext: [] },
   'application/xml': { base: xml(), ext: [] },
   'text/xml': { base: xml(), ext: [] },
+  url: { base: url(), ext: [] },
 };
 
 export function syntaxExtension({
@@ -125,10 +127,17 @@ export function syntaxExtension({
 }
 
 export const baseExtensions = [
-  lineNumbers(),
-  highlightActiveLineGutter(),
   highlightSpecialChars(),
   history(),
+  drawSelection(),
+  dropCursor(),
+  EditorState.allowMultipleSelections.of(true),
+  syntaxHighlighting(myHighlightStyle),
+];
+
+export const multiLineExtensions = [
+  lineNumbers(),
+  highlightActiveLineGutter(),
   foldGutter({
     markerDOM: (open) => {
       const el = document.createElement('div');
@@ -141,7 +150,6 @@ export const baseExtensions = [
     },
   }),
   drawSelection(),
-  dropCursor(),
   EditorState.allowMultipleSelections.of(true),
   indentOnInput(),
   bracketMatching(),
@@ -160,5 +168,4 @@ export const baseExtensions = [
     ...completionKeymap,
     ...lintKeymap,
   ]),
-  syntaxHighlighting(myHighlightStyle),
 ];

src-web/components/Editor/url/extension.ts

@@ -0,0 +1,46 @@
+import { parser } from './url';
+// import { foldNodeProp, foldInside, indentNodeProp } from '@codemirror/language';
+import { styleTags, tags as t } from '@lezer/highlight';
+import { LanguageSupport, LRLanguage } from '@codemirror/language';
+import { completeFromList } from '@codemirror/autocomplete';
+
+const parserWithMetadata = parser.configure({
+  props: [
+    styleTags({
+      ProtocolName: t.comment,
+      Slashy: t.comment,
+      Host: t.variableName,
+      Slash: t.comment,
+      PathSegment: t.bool,
+      QueryName: t.variableName,
+      QueryValue: t.string,
+      Question: t.comment,
+      Equal: t.comment,
+      Amp: t.comment,
+    }),
+    // indentNodeProp.add({
+    //   Application: (context) => context.column(context.node.from) + context.unit,
+    // }),
+    // foldNodeProp.add({
+    //   Application: foldInside,
+    // }),
+  ],
+});
+
+const urlLanguage = LRLanguage.define({
+  parser: parserWithMetadata,
+  languageData: {
+    // commentTokens: {line: ";"}
+  },
+});
+
+const exampleCompletion = urlLanguage.data.of({
+  autocomplete: completeFromList([
+    { label: 'http://', type: 'keyword' },
+    { label: 'https://', type: 'keyword' },
+  ]),
+});
+
+export function url() {
+  return new LanguageSupport(urlLanguage, [exampleCompletion]);
+}

src-web/components/Editor/url/url.grammar

@@ -0,0 +1,30 @@
+@top url { Protocol Host Path Query }
+
+Protocol {
+    ProtocolName Slashy
+}
+
+Path {
+  (Slash PathSegment)*
+}
+
+Query {
+  Question (QueryPair)*
+}
+
+QueryPair {
+  Amp? QueryName Equal QueryValue
+}
+
+@tokens {
+  ProtocolName { "http" | "https" }
+  Host { $[a-zA-Z0-9-_.]+ }
+  QueryName { $[a-zA-Z0-9-_.]+ }
+  QueryValue { $[a-zA-Z0-9-_.]+ }
+  PathSegment { $[a-zA-Z0-9-_.]+ }
+  Slashy { "://" }
+  Slash { "/" }
+  Question { "?" }
+  Equal { "=" }
+  Amp { "&" }
+}

src-web/components/Editor/url/url.terms.ts

@@ -0,0 +1,17 @@
+// This file was generated by lezer-generator. You probably shouldn't edit it.
+export const
+  url = 1,
+  Protocol = 2,
+  ProtocolName = 3,
+  Slashy = 4,
+  Host = 5,
+  Path = 6,
+  Slash = 7,
+  PathSegment = 8,
+  Query = 9,
+  Question = 10,
+  QueryPair = 11,
+  Amp = 12,
+  QueryName = 13,
+  Equal = 14,
+  QueryValue = 15

src-web/components/Editor/url/url.ts

@@ -0,0 +1,16 @@
+// This file was generated by lezer-generator. You probably shouldn't edit it.
+import {LRParser} from "@lezer/lr"
+export const parser = LRParser.deserialize({
+  version: 14,
+  states: "#xOQOPOOOVOPO'#C^O[OQOOOOOO,58x,58xOaOPOOOiOSO'#ClOnOPO'#CbOvOPOOOOOO,59W,59WOOOO-E6j-E6jO{OWO'#CeQOOOOOO!WOPO'#CgO!]OWO'#CgOOOO'#Cm'#CmO!bOWO,59PO!mO`O,59RO!rOPO,59ROOOO-E6k-E6kOOOO1G.m1G.mO!wO`O1G.mOOOO7+$X7+$X",
+  stateData: "!|~ORPO~OSRO~OTSO~OVTOYUP~OWWO~OVTOYUX~OYYO~O[]O][ObXX~O^`O~O]aO~O[]O][ObXa~O_cO~O^dO~O_eO~O",
+  goto: "|bPPcPPPfPPiPlPPPPpvRQORVSRZVT^Y_QUSRXUQ_YRb_",
+  nodeNames: "⚠ url Protocol ProtocolName Slashy Host Path Slash PathSegment Query Question QueryPair Amp QueryName Equal QueryValue",
+  maxTerm: 18,
+  skippedNodes: [0],
+  repeatNodeCount: 2,
+  tokenData: "'T~R]vwz}!O!P!O!P!P!P!Q!n!Q![!P![!]!s!_!`#U!a!b#Z!c!}!P#R#S!P#T#[!P#[#]#`#]#o!P~!PO[~n![UTQWS]W_`}!O!P!O!P!P!Q![!P!c!}!P#R#S!P#T#o!P~!sOV~~!vP!P!Q!y~!|P!P!Q#P~#UOS~~#ZO^~~#`OY~o#kWTQWS]W_`}!O!P!O!P!P!Q![!P!c!}!P#R#S!P#T#h!P#h#i$T#i#o!Po$`WTQWS]W_`}!O!P!O!P!P!Q![!P!c!}!P#R#S!P#T#h!P#h#i$x#i#o!Po%TWTQWS]W_`}!O!P!O!P!P!Q![!P!c!}!P#R#S!P#T#d!P#d#e%m#e#o!Po%zWTQWSRP]W_`}!O!P!O!P!P!Q![!P!c!}!P#R#S!P#T#g!P#g#h&d#h#o!Po&qUTQWSRP]W_`}!O!P!O!P!P!Q![!P!c!}!P#R#S!P#T#o!P",
+  tokenizers: [0, 1, 2, 3, 4],
+  topRules: {"url":[0,1]},
+  tokenPrec: 0
+})

src-web/components/Input.tsx

@@ -1,13 +1,17 @@
 import { InputHTMLAttributes, ReactNode } from 'react';
 import classnames from 'classnames';
 import { HStack, VStack } from './Stacks';
+import Editor from './Editor/Editor';
 
-interface Props extends Omit<InputHTMLAttributes<HTMLInputElement>, 'size'> {
+interface Props extends Omit<InputHTMLAttributes<HTMLInputElement>, 'size' | 'onChange'> {
   name: string;
   label: string;
   hideLabel?: boolean;
   labelClassName?: string;
   containerClassName?: string;
+  onChange?: (value: string) => void;
+  onSubmit?: () => void;
+  useEditor?: boolean;
   leftSlot?: ReactNode;
   rightSlot?: ReactNode;
   size?: 'sm' | 'md';
@@ -19,10 +23,14 @@ export function Input({
   className,
   containerClassName,
   labelClassName,
+  onSubmit,
   size = 'md',
+  useEditor,
+  onChange,
   name,
   leftSlot,
   rightSlot,
+  defaultValue,
   ...props
 }: Props) {
   const id = `input-${name}`;
@@ -49,16 +57,34 @@ export function Input({
         >
           {label}
         </label>
-        <input
-          id={id}
-          className={classnames(
-            className,
-            'bg-transparent min-w-0 pl-3 pr-2 h-full w-full focus:outline-none',
-            leftSlot && '!pl-1',
-            rightSlot && '!pr-1',
-          )}
-          {...props}
-        />
+        {useEditor ? (
+          <Editor
+            id={id}
+            singleLine
+            contentType="url"
+            defaultValue={defaultValue}
+            onChange={onChange}
+            onSubmit={onSubmit}
+            className={classnames(
+              className,
+              'bg-transparent min-w-0 pl-3 pr-2 h-full w-full focus:outline-none',
+              leftSlot && '!pl-1',
+              rightSlot && '!pr-1',
+            )}
+          />
+        ) : (
+          <input
+            id={id}
+            onChange={(e) => onChange?.(e.target.value)}
+            className={classnames(
+              className,
+              'bg-transparent min-w-0 pl-3 pr-2 h-full w-full focus:outline-none',
+              leftSlot && '!pl-1',
+              rightSlot && '!pr-1',
+            )}
+            {...props}
+          />
+        )}
       </VStack>
       {rightSlot}
     </HStack>

src-web/components/ResponsePane.tsx

@@ -83,12 +83,14 @@ export function ResponsePane({ requestId, error }: Props) {
                   {response.elapsed}ms  • 
                   {Math.round(response.body.length / 1000)} KB
                 </div>
-                <IconButton
-                  icon={viewMode === 'pretty' ? 'eye' : 'code'}
-                  size="sm"
-                  className="ml-auto"
-                  onClick={() => setViewMode((m) => (m === 'pretty' ? 'raw' : 'pretty'))}
-                />
+                {contentType.includes('html') && (
+                  <IconButton
+                    icon={viewMode === 'pretty' ? 'eye' : 'code'}
+                    size="sm"
+                    className="ml-auto"
+                    onClick={() => setViewMode((m) => (m === 'pretty' ? 'raw' : 'pretty'))}
+                  />
+                )}
               </HStack>
               {viewMode === 'pretty' && contentType.includes('html') ? (
                 <iframe

src-web/components/UrlBar.tsx

@@ -23,10 +23,12 @@ export function UrlBar({ sendRequest, loading, onMethodChange, method, onUrlChan
     <form onSubmit={handleSendRequest} className="w-full flex items-center">
       <Input
         hideLabel
+        useEditor
+        onSubmit={sendRequest}
         name="url"
         label="Enter URL"
         className="font-mono"
-        onChange={(e) => onUrlChange(e.currentTarget.value)}
+        onChange={onUrlChange}
         defaultValue={url}
         placeholder="Enter a URL..."
         leftSlot={