mirror of
https://github.com/swc-project/swc.git
synced 2024-12-25 14:43:33 +03:00
381 lines
9.8 KiB
TypeScript
381 lines
9.8 KiB
TypeScript
// Loaded from https://deno.land/x/cliffy@v0.18.0/prompt/_generic_list.ts
|
|
|
|
|
|
import type { KeyEvent } from "../keycode/key_event.ts";
|
|
import {
|
|
GenericInput,
|
|
GenericInputKeys,
|
|
GenericInputPromptOptions,
|
|
GenericInputPromptSettings,
|
|
} from "./_generic_input.ts";
|
|
import { blue, bold, dim, stripColor, yellow } from "./deps.ts";
|
|
import { Figures } from "./figures.ts";
|
|
import { distance } from "../_utils/distance.ts";
|
|
|
|
/** Select key options. */
|
|
export interface GenericListKeys extends GenericInputKeys {
|
|
previous?: string[];
|
|
next?: string[];
|
|
previousPage?: string[];
|
|
nextPage?: string[];
|
|
}
|
|
|
|
/** Generic list option options. */
|
|
export interface GenericListOption {
|
|
value: string;
|
|
name?: string;
|
|
disabled?: boolean;
|
|
}
|
|
|
|
/** Generic list option settings. */
|
|
export interface GenericListOptionSettings extends GenericListOption {
|
|
name: string;
|
|
value: string;
|
|
disabled: boolean;
|
|
}
|
|
|
|
export type GenericListValueOptions = (string | GenericListOption)[];
|
|
export type GenericListValueSettings = GenericListOptionSettings[];
|
|
|
|
type UnsupportedInputOptions = "suggestions" | "list";
|
|
|
|
/** Generic list prompt options. */
|
|
export interface GenericListOptions<T, V>
|
|
extends Omit<GenericInputPromptOptions<T, V>, UnsupportedInputOptions> {
|
|
options: GenericListValueOptions;
|
|
keys?: GenericListKeys;
|
|
indent?: string;
|
|
listPointer?: string;
|
|
searchIcon?: string;
|
|
maxRows?: number;
|
|
searchLabel?: string;
|
|
search?: boolean;
|
|
info?: boolean;
|
|
}
|
|
|
|
/** Generic list prompt settings. */
|
|
export interface GenericListSettings<T, V>
|
|
extends GenericInputPromptSettings<T, V> {
|
|
options: GenericListValueSettings;
|
|
keys?: GenericListKeys;
|
|
indent: string;
|
|
listPointer: string;
|
|
maxRows: number;
|
|
searchLabel: string;
|
|
search?: boolean;
|
|
info?: boolean;
|
|
}
|
|
|
|
/** Generic list prompt representation. */
|
|
export abstract class GenericList<T, V, S extends GenericListSettings<T, V>>
|
|
extends GenericInput<T, V, S> {
|
|
protected options: S["options"] = this.settings.options;
|
|
protected listIndex: number = this.getListIndex();
|
|
protected listOffset: number = this.getPageOffset(this.listIndex);
|
|
|
|
/**
|
|
* Create list separator.
|
|
* @param label Separator label.
|
|
*/
|
|
public static separator(label = "------------"): GenericListOption {
|
|
return { value: label, disabled: true };
|
|
}
|
|
|
|
/**
|
|
* Set list option defaults.
|
|
* @param option List option.
|
|
*/
|
|
protected static mapOption(
|
|
option: GenericListOption,
|
|
): GenericListOptionSettings {
|
|
return {
|
|
value: option.value,
|
|
name: typeof option.name === "undefined" ? option.value : option.name,
|
|
disabled: !!option.disabled,
|
|
};
|
|
}
|
|
|
|
constructor(settings: S) {
|
|
super({
|
|
...settings,
|
|
keys: {
|
|
previous: settings.search ? ["up"] : ["up", "u", "8"],
|
|
next: settings.search ? ["down"] : ["down", "d", "2"],
|
|
previousPage: ["pageup"],
|
|
nextPage: ["pagedown"],
|
|
...(settings.keys ?? {}),
|
|
},
|
|
});
|
|
}
|
|
|
|
protected match(): void {
|
|
const input: string = this.getCurrentInputValue().toLowerCase();
|
|
if (!input.length) {
|
|
this.options = this.settings.options.slice();
|
|
} else {
|
|
this.options = this.settings.options
|
|
.filter((option: GenericListOptionSettings) =>
|
|
match(option.name) ||
|
|
(option.name !== option.value && match(option.value))
|
|
)
|
|
.sort((a: GenericListOptionSettings, b: GenericListOptionSettings) =>
|
|
distance(a.name, input) - distance(b.name, input)
|
|
);
|
|
}
|
|
this.listIndex = Math.max(
|
|
0,
|
|
Math.min(this.options.length - 1, this.listIndex),
|
|
);
|
|
this.listOffset = Math.max(
|
|
0,
|
|
Math.min(
|
|
this.options.length - this.getListHeight(),
|
|
this.listOffset,
|
|
),
|
|
);
|
|
|
|
function match(value: string): boolean {
|
|
return stripColor(value)
|
|
.toLowerCase()
|
|
.includes(input);
|
|
}
|
|
}
|
|
|
|
protected message(): string {
|
|
let message = `${this.settings.indent}${yellow("?")} ` +
|
|
bold(this.settings.message) +
|
|
this.defaults();
|
|
if (this.settings.search) {
|
|
message += " " + this.settings.searchLabel + " ";
|
|
}
|
|
this.cursor.x = stripColor(message).length + this.inputIndex + 1;
|
|
return message + this.input();
|
|
}
|
|
|
|
/** Render options. */
|
|
protected body(): string | Promise<string> {
|
|
return this.getList() + this.getInfo();
|
|
}
|
|
|
|
protected getInfo(): string {
|
|
if (!this.settings.info) {
|
|
return "";
|
|
}
|
|
const selected: number = this.listIndex + 1;
|
|
const actions: Array<[string, Array<string>]> = [
|
|
["Next", [Figures.ARROW_DOWN]],
|
|
["Previous", [Figures.ARROW_UP]],
|
|
["Next Page", [Figures.PAGE_DOWN]],
|
|
["Previous Page", [Figures.PAGE_UP]],
|
|
["Submit", [Figures.ENTER]],
|
|
];
|
|
|
|
return "\n" + this.settings.indent + blue(Figures.INFO) +
|
|
bold(` ${selected}/${this.options.length} `) +
|
|
actions
|
|
.map((cur) => `${cur[0]}: ${bold(cur[1].join(" "))}`)
|
|
.join(", ");
|
|
}
|
|
|
|
/** Render options list. */
|
|
protected getList(): string {
|
|
const list: Array<string> = [];
|
|
const height: number = this.getListHeight();
|
|
for (let i = this.listOffset; i < this.listOffset + height; i++) {
|
|
list.push(
|
|
this.getListItem(
|
|
this.options[i],
|
|
this.listIndex === i,
|
|
),
|
|
);
|
|
}
|
|
if (!list.length) {
|
|
list.push(
|
|
this.settings.indent + dim(" No matches..."),
|
|
);
|
|
}
|
|
return list.join("\n");
|
|
}
|
|
|
|
/**
|
|
* Render option.
|
|
* @param item Option.
|
|
* @param isSelected Set to true if option is selected.
|
|
*/
|
|
protected abstract getListItem(
|
|
item: GenericListOptionSettings,
|
|
isSelected?: boolean,
|
|
): string;
|
|
|
|
/** Get options row height. */
|
|
protected getListHeight(): number {
|
|
return Math.min(
|
|
this.options.length,
|
|
this.settings.maxRows || this.options.length,
|
|
);
|
|
}
|
|
|
|
protected getListIndex(value?: string) {
|
|
return typeof value === "undefined"
|
|
? this.options.findIndex((item: GenericListOptionSettings) =>
|
|
!item.disabled
|
|
) || 0
|
|
: this.options.findIndex((item: GenericListOptionSettings) =>
|
|
item.value === value
|
|
) || 0;
|
|
}
|
|
|
|
protected getPageOffset(index: number) {
|
|
if (index === 0) {
|
|
return 0;
|
|
}
|
|
const height: number = this.getListHeight();
|
|
return Math.floor(index / height) * height;
|
|
}
|
|
|
|
/**
|
|
* Find option by value.
|
|
* @param value Value of the option.
|
|
*/
|
|
protected getOptionByValue(
|
|
value: string,
|
|
): GenericListOptionSettings | undefined {
|
|
return this.options.find((option) => option.value === value);
|
|
}
|
|
|
|
/** Read user input. */
|
|
protected read(): Promise<boolean> {
|
|
if (!this.settings.search) {
|
|
this.tty.cursorHide();
|
|
}
|
|
return super.read();
|
|
}
|
|
|
|
/**
|
|
* Handle user input event.
|
|
* @param event Key event.
|
|
*/
|
|
protected async handleEvent(event: KeyEvent): Promise<void> {
|
|
switch (true) {
|
|
case this.isKey(this.settings.keys, "previous", event):
|
|
this.selectPrevious();
|
|
break;
|
|
case this.isKey(this.settings.keys, "next", event):
|
|
this.selectNext();
|
|
break;
|
|
case this.isKey(this.settings.keys, "nextPage", event):
|
|
this.selectNextPage();
|
|
break;
|
|
case this.isKey(this.settings.keys, "previousPage", event):
|
|
this.selectPreviousPage();
|
|
break;
|
|
default:
|
|
await super.handleEvent(event);
|
|
}
|
|
}
|
|
|
|
protected moveCursorLeft(): void {
|
|
if (this.settings.search) {
|
|
super.moveCursorLeft();
|
|
}
|
|
}
|
|
|
|
protected moveCursorRight(): void {
|
|
if (this.settings.search) {
|
|
super.moveCursorRight();
|
|
}
|
|
}
|
|
|
|
protected deleteChar(): void {
|
|
if (this.settings.search) {
|
|
super.deleteChar();
|
|
}
|
|
}
|
|
|
|
protected deleteCharRight(): void {
|
|
if (this.settings.search) {
|
|
super.deleteCharRight();
|
|
this.match();
|
|
}
|
|
}
|
|
|
|
protected addChar(char: string): void {
|
|
if (this.settings.search) {
|
|
super.addChar(char);
|
|
this.match();
|
|
}
|
|
}
|
|
|
|
/** Select previous option. */
|
|
protected selectPrevious(): void {
|
|
if (this.options.length < 2) {
|
|
return;
|
|
}
|
|
if (this.listIndex > 0) {
|
|
this.listIndex--;
|
|
if (this.listIndex < this.listOffset) {
|
|
this.listOffset--;
|
|
}
|
|
if (this.options[this.listIndex].disabled) {
|
|
this.selectPrevious();
|
|
}
|
|
} else {
|
|
this.listIndex = this.options.length - 1;
|
|
this.listOffset = this.options.length - this.getListHeight();
|
|
if (this.options[this.listIndex].disabled) {
|
|
this.selectPrevious();
|
|
}
|
|
}
|
|
}
|
|
|
|
/** Select next option. */
|
|
protected selectNext(): void {
|
|
if (this.options.length < 2) {
|
|
return;
|
|
}
|
|
if (this.listIndex < this.options.length - 1) {
|
|
this.listIndex++;
|
|
if (this.listIndex >= this.listOffset + this.getListHeight()) {
|
|
this.listOffset++;
|
|
}
|
|
if (this.options[this.listIndex].disabled) {
|
|
this.selectNext();
|
|
}
|
|
} else {
|
|
this.listIndex = this.listOffset = 0;
|
|
if (this.options[this.listIndex].disabled) {
|
|
this.selectNext();
|
|
}
|
|
}
|
|
}
|
|
|
|
/** Select previous page. */
|
|
protected selectPreviousPage(): void {
|
|
if (this.options?.length) {
|
|
const height: number = this.getListHeight();
|
|
if (this.listOffset >= height) {
|
|
this.listIndex -= height;
|
|
this.listOffset -= height;
|
|
} else if (this.listOffset > 0) {
|
|
this.listIndex -= this.listOffset;
|
|
this.listOffset = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
/** Select next page. */
|
|
protected selectNextPage(): void {
|
|
if (this.options?.length) {
|
|
const height: number = this.getListHeight();
|
|
if (this.listOffset + height + height < this.options.length) {
|
|
this.listIndex += height;
|
|
this.listOffset += height;
|
|
} else if (this.listOffset + height < this.options.length) {
|
|
const offset = this.options.length - height;
|
|
this.listIndex += offset - this.listOffset;
|
|
this.listOffset = offset;
|
|
}
|
|
}
|
|
}
|
|
}
|