José Almeida
48 lines
1.5 KiB
TypeScript
48 lines
1.5 KiB
TypeScript
import type { OpenFileTab } from "@/lib/types/backend";
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export function getFileTabKey(file: Pick<OpenFileTab, "path" | "repo">): string {
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return `${file.repo ?? ""}\u0000${file.path}`;
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}
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const openFileTabKeys: (keyof OpenFileTab)[] = [
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"resolvedPath",
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"path",
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"name",
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"repo",
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"content",
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"originalContent",
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"originalHash",
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"isDirty",
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"isBinary",
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"renderedPreview",
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];
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function areOpenFileTabsEqual(left: OpenFileTab, right: OpenFileTab): boolean {
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return openFileTabKeys.every((key) => Object.is(left[key], right[key]));
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}
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export function upsertOpenFileTab(prev: OpenFileTab[], fileTab: OpenFileTab): OpenFileTab[] {
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const fileKey = getFileTabKey(fileTab);
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const existingIndex = prev.findIndex((tab) => getFileTabKey(tab) === fileKey);
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if (existingIndex >= 0) {
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const existing = prev[existingIndex];
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const refreshed = existing.isDirty
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? {
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...existing,
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resolvedPath: fileTab.resolvedPath,
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...(fileTab.renderedPreview !== undefined
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? { renderedPreview: fileTab.renderedPreview }
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: {}),
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}
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: {
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...existing,
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...fileTab,
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renderedPreview: fileTab.renderedPreview ?? existing.renderedPreview,
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};
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if (areOpenFileTabsEqual(existing, refreshed)) return prev;
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return prev.map((tab, index) => (index === existingIndex ? refreshed : tab));
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}
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const maxTabs = 4;
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return prev.length >= maxTabs ? [...prev.slice(1), fileTab] : [...prev, fileTab];
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}
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