feat(teleprompter): add teleprompter view

apps/client/src/views/teleprompter/teleprompter.utils.ts

@@ -0,0 +1,80 @@
+import { type CustomFields, isOntimeEvent, isOntimeGroup, type MaybeString, type Rundown } from 'ontime-types';
+
+import type { RundownMetadataObject } from '../../common/utils/rundownMetadata';
+import { getPropertyValue } from '../common/viewUtils';
+import type { HeadingSource, ScriptBlock, TeleprompterOptions } from './teleprompter.types';
+
+type BuildScriptOptions = Pick<TeleprompterOptions, 'scriptSource' | 'heading' | 'hideEmpty' | 'showGroups'>;
+
+function makeHeading(source: HeadingSource, cue: string, title: string): string {
+  switch (source) {
+    case 'cue':
+      return cue;
+    case 'title':
+      return title;
+    case 'both':
+      return [cue, title].filter(Boolean).join(' · ');
+    case 'none':
+      return '';
+  }
+}
+
+function isReadableSource(scriptSource: string, customFields: CustomFields): boolean {
+  if (!scriptSource.startsWith('custom-')) {
+    return true;
+  }
+  const key = scriptSource.slice('custom-'.length);
+  return customFields[key]?.type === 'text';
+}
+
+/** Builds the continuous script in rundown order. */
+export function buildScript(
+  rundown: Rundown,
+  rundownMetadata: RundownMetadataObject,
+  customFields: CustomFields,
+  options: BuildScriptOptions,
+): ScriptBlock[] {
+  const { scriptSource, heading, hideEmpty, showGroups } = options;
+
+  if (scriptSource === 'none' || !isReadableSource(scriptSource, customFields)) {
+    return [];
+  }
+
+  const blocks: ScriptBlock[] = [];
+  let lastGroupId: MaybeString = null;
+
+  for (const id of rundown.flatOrder) {
+    const entry = rundown.entries[id];
+    if (!isOntimeEvent(entry) || entry.skip) {
+      continue;
+    }
+
+    const metadata = rundownMetadata[id];
+    const text = getPropertyValue(entry, scriptSource, rundown.entries)?.trim() ?? '';
+    if (hideEmpty && !text) {
+      continue;
+    }
+
+    const groupId = metadata?.groupId ?? null;
+    let groupTitle: MaybeString = null;
+    if (showGroups && groupId && groupId !== lastGroupId) {
+      const group = rundown.entries[groupId];
+      groupTitle = isOntimeGroup(group) ? group.title : null;
+    }
+    lastGroupId = groupId;
+
+    blocks.push({
+      id,
+      heading: makeHeading(heading, entry.cue, entry.title),
+      text,
+      groupTitle,
+      isLoaded: Boolean(metadata?.isLoaded),
+    });
+  }
+
+  return blocks;
+}
+
+export function composeFlip(flipH: boolean, flipV: boolean, isMirrored: boolean): { flipH: boolean; flipV: boolean } {
+  return { flipH: flipH !== isMirrored, flipV: flipV !== isMirrored };
+}