46 lines
1.2 KiB
TypeScript
46 lines
1.2 KiB
TypeScript
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export interface SftpTypeaheadState {
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query: string;
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lastInputAt: number;
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}
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export interface SftpTypeaheadResult {
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state: SftpTypeaheadState;
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matchIndex: number;
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}
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export type SftpViewMode = 'list' | 'tree';
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interface SftpTypeaheadTreeItem {
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name: string;
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path: string;
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}
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export type SftpTypeaheadSource =
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| { kind: 'list'; names: string[] }
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| { kind: 'tree'; names: string[]; items: SftpTypeaheadTreeItem[] };
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const SFTP_TYPEAHEAD_RESET_MS = 1000;
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export const resolveSftpTypeaheadSource = (
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viewMode: SftpViewMode,
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listItems: string[],
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treeItems: SftpTypeaheadTreeItem[],
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): SftpTypeaheadSource => viewMode === 'list'
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? { kind: 'list', names: listItems }
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: { kind: 'tree', names: treeItems.map((item) => item.name), items: treeItems };
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export const advanceSftpTypeahead = (
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names: string[],
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previous: SftpTypeaheadState | null,
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key: string,
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now: number,
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): SftpTypeaheadResult => {
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const continuesPrevious = previous && now - previous.lastInputAt <= SFTP_TYPEAHEAD_RESET_MS;
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const query = `${continuesPrevious ? previous.query : ''}${key}`.toLocaleLowerCase();
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return {
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state: { query, lastInputAt: now },
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matchIndex: names.findIndex((name) => name.toLocaleLowerCase().startsWith(query)),
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};
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};
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