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https://github.com/getpaseo/paseo.git
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Mohamed Boudra
3998ea11d9
* perf(app): keep large diffs responsive Render file headers on the canvas and bound expensive text shaping to the active viewport while preserving sticky, hover, and horizontal-scroll behavior. Let native scroll cancellation arbitrate header presses so finger scrolling cannot expand files. * test(app): assert canvas diff header accessibility * test(app): assert canvas diff header semantics
48 lines
1.5 KiB
TypeScript
48 lines
1.5 KiB
TypeScript
const compactFormatter = new Intl.NumberFormat("en-US", {
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notation: "compact",
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maximumFractionDigits: 1,
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});
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export const DIFF_FILE_HEADER_HEIGHT = 30;
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export const DIFF_FILE_HEADER_CONTENT_HEIGHT = 28;
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export const DIFF_FILE_HEADER_LEFT = 12;
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export const DIFF_FILE_HEADER_RIGHT = 8;
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export const DIFF_FILE_HEADER_ICON_SIZE = 14;
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export const DIFF_FILE_HEADER_TEXT_GAP = 4;
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export function allocateDiffHeaderTextWidths(input: {
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available: number;
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nameWidth: number;
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directoryWidth: number;
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}): { name: number; directory: number } {
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const available = Math.max(0, input.available);
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const nameWidth = Math.max(0, input.nameWidth);
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const directoryWidth = Math.max(0, input.directoryWidth);
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if (nameWidth >= available || directoryWidth === 0) {
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return { name: Math.min(nameWidth, available), directory: 0 };
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}
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const directoryAvailable = Math.max(0, available - nameWidth - DIFF_FILE_HEADER_TEXT_GAP);
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return { name: nameWidth, directory: Math.min(directoryWidth, directoryAvailable) };
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}
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export function formatDiffCount(value: number): string {
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return compactFormatter.format(value).toLowerCase();
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}
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export function fileNameForPath(path: string): string {
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return path.split("/").pop() ?? path;
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}
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export function directorySuffix(path: string): string {
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return path.includes("/") ? ` ${path.slice(0, path.lastIndexOf("/"))}` : "";
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}
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export function diffFileChangeKind(file: {
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isNew: boolean;
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isDeleted: boolean;
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}): "added" | "deleted" | "modified" {
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if (file.isNew) return "added";
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if (file.isDeleted) return "deleted";
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return "modified";
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}
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