X-Git-Url: https://git.josue.xyz/?p=VSoRC%2F.git;a=blobdiff_plain;f=node_modules%2Fxterm%2Ftypings%2Fxterm.d.ts;fp=node_modules%2Fxterm%2Ftypings%2Fxterm.d.ts;h=295a03b2785ce9ea9c1f992a13ef8831f02f92b1;hp=0000000000000000000000000000000000000000;hb=4339da12467b75fb8b6ca831f4bf0081c485ed2c;hpb=af450fde25a9ccf4767b29254c463ffb8ef25237 diff --git a/node_modules/xterm/typings/xterm.d.ts b/node_modules/xterm/typings/xterm.d.ts new file mode 100644 index 0000000..295a03b --- /dev/null +++ b/node_modules/xterm/typings/xterm.d.ts @@ -0,0 +1,1105 @@ +/** + * @license MIT + * + * This contains the type declarations for the xterm.js library. Note that + * some interfaces differ between this file and the actual implementation in + * src/, that's because this file declares the *public* API which is intended + * to be stable and consumed by external programs. + */ + +/// + +declare module 'xterm' { + /** + * A string representing text font weight. + */ + export type FontWeight = 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900'; + + /** + * A string representing log level. + */ + export type LogLevel = 'debug' | 'info' | 'warn' | 'error' | 'off'; + + /** + * A string representing a renderer type. + */ + export type RendererType = 'dom' | 'canvas'; + + /** + * An object containing start up options for the terminal. + */ + export interface ITerminalOptions { + /** + * Whether background should support non-opaque color. It must be set before + * executing the `Terminal.open()` method and can't be changed later without + * executing it again. Note that enabling this can negatively impact + * performance. + */ + allowTransparency?: boolean; + + /** + * A data uri of the sound to use for the bell when `bellStyle = 'sound'`. + */ + bellSound?: string; + + /** + * The type of the bell notification the terminal will use. + */ + bellStyle?: 'none' /*| 'visual'*/ | 'sound' /*| 'both'*/; + + /** + * When enabled the cursor will be set to the beginning of the next line + * with every new line. This equivalent to sending '\r\n' for each '\n'. + * Normally the termios settings of the underlying PTY deals with the + * translation of '\n' to '\r\n' and this setting should not be used. If you + * deal with data from a non-PTY related source, this settings might be + * useful. + */ + convertEol?: boolean; + + /** + * The number of columns in the terminal. + */ + cols?: number; + + /** + * Whether the cursor blinks. + */ + cursorBlink?: boolean; + + /** + * The style of the cursor. + */ + cursorStyle?: 'block' | 'underline' | 'bar'; + + /** + * Whether input should be disabled. + */ + disableStdin?: boolean; + + /** + * Whether to draw bold text in bright colors. The default is true. + */ + drawBoldTextInBrightColors?: boolean; + + /** + * The modifier key hold to multiply scroll speed. + */ + fastScrollModifier?: 'alt' | 'ctrl' | 'shift' | undefined; + + /** + * The scroll speed multiplier used for fast scrolling. + */ + fastScrollSensitivity?: number; + + /** + * The font size used to render text. + */ + fontSize?: number; + + /** + * The font family used to render text. + */ + fontFamily?: string; + + /** + * The font weight used to render non-bold text. + */ + fontWeight?: FontWeight; + + /** + * The font weight used to render bold text. + */ + fontWeightBold?: FontWeight; + + /** + * The spacing in whole pixels between characters.. + */ + letterSpacing?: number; + + /** + * The line height used to render text. + */ + lineHeight?: number; + + /** + * What log level to use, this will log for all levels below and including + * what is set: + * + * 1. debug + * 2. info (default) + * 3. warn + * 4. error + * 5. off + */ + logLevel?: LogLevel; + + /** + * Whether to treat option as the meta key. + */ + macOptionIsMeta?: boolean; + + /** + * Whether holding a modifier key will force normal selection behavior, + * regardless of whether the terminal is in mouse events mode. This will + * also prevent mouse events from being emitted by the terminal. For + * example, this allows you to use xterm.js' regular selection inside tmux + * with mouse mode enabled. + */ + macOptionClickForcesSelection?: boolean; + + /** + * The type of renderer to use, this allows using the fallback DOM renderer + * when canvas is too slow for the environment. The following features do + * not work when the DOM renderer is used: + * + * - Letter spacing + * - Cursor blink + */ + rendererType?: RendererType; + + /** + * Whether to select the word under the cursor on right click, this is + * standard behavior in a lot of macOS applications. + */ + rightClickSelectsWord?: boolean; + + /** + * The number of rows in the terminal. + */ + rows?: number; + + /** + * Whether screen reader support is enabled. When on this will expose + * supporting elements in the DOM to support NVDA on Windows and VoiceOver + * on macOS. + */ + screenReaderMode?: boolean; + + /** + * The amount of scrollback in the terminal. Scrollback is the amount of + * rows that are retained when lines are scrolled beyond the initial + * viewport. + */ + scrollback?: number; + + /** + * The scrolling speed multiplier used for adjusting normal scrolling speed. + */ + scrollSensitivity?: number; + + /** + * The size of tab stops in the terminal. + */ + tabStopWidth?: number; + + /** + * The color theme of the terminal. + */ + theme?: ITheme; + + /** + * Whether "Windows mode" is enabled. Because Windows backends winpty and + * conpty operate by doing line wrapping on their side, xterm.js does not + * have access to wrapped lines. When Windows mode is enabled the following + * changes will be in effect: + * + * - Reflow is disabled. + * - Lines are assumed to be wrapped if the last character of the line is + * not whitespace. + */ + windowsMode?: boolean; + + /** + * A string containing all characters that are considered word separated by the + * double click to select work logic. + */ + wordSeparator?: string; + } + + /** + * Contains colors to theme the terminal with. + */ + export interface ITheme { + /** The default foreground color */ + foreground?: string; + /** The default background color */ + background?: string; + /** The cursor color */ + cursor?: string; + /** The accent color of the cursor (fg color for a block cursor) */ + cursorAccent?: string; + /** The selection background color (can be transparent) */ + selection?: string; + /** ANSI black (eg. `\x1b[30m`) */ + black?: string; + /** ANSI red (eg. `\x1b[31m`) */ + red?: string; + /** ANSI green (eg. `\x1b[32m`) */ + green?: string; + /** ANSI yellow (eg. `\x1b[33m`) */ + yellow?: string; + /** ANSI blue (eg. `\x1b[34m`) */ + blue?: string; + /** ANSI magenta (eg. `\x1b[35m`) */ + magenta?: string; + /** ANSI cyan (eg. `\x1b[36m`) */ + cyan?: string; + /** ANSI white (eg. `\x1b[37m`) */ + white?: string; + /** ANSI bright black (eg. `\x1b[1;30m`) */ + brightBlack?: string; + /** ANSI bright red (eg. `\x1b[1;31m`) */ + brightRed?: string; + /** ANSI bright green (eg. `\x1b[1;32m`) */ + brightGreen?: string; + /** ANSI bright yellow (eg. `\x1b[1;33m`) */ + brightYellow?: string; + /** ANSI bright blue (eg. `\x1b[1;34m`) */ + brightBlue?: string; + /** ANSI bright magenta (eg. `\x1b[1;35m`) */ + brightMagenta?: string; + /** ANSI bright cyan (eg. `\x1b[1;36m`) */ + brightCyan?: string; + /** ANSI bright white (eg. `\x1b[1;37m`) */ + brightWhite?: string; + } + + /** + * An object containing options for a link matcher. + */ + export interface ILinkMatcherOptions { + /** + * The index of the link from the regex.match(text) call. This defaults to 0 + * (for regular expressions without capture groups). + */ + matchIndex?: number; + + /** + * A callback that validates whether to create an individual link, pass + * whether the link is valid to the callback. + */ + validationCallback?: (uri: string, callback: (isValid: boolean) => void) => void; + + /** + * A callback that fires when the mouse hovers over a link for a moment. + */ + tooltipCallback?: (event: MouseEvent, uri: string, location: IViewportRange) => boolean | void; + + /** + * A callback that fires when the mouse leaves a link. Note that this can + * happen even when tooltipCallback hasn't fired for the link yet. + */ + leaveCallback?: () => void; + + /** + * The priority of the link matcher, this defines the order in which the + * link matcher is evaluated relative to others, from highest to lowest. The + * default value is 0. + */ + priority?: number; + + /** + * A callback that fires when the mousedown and click events occur that + * determines whether a link will be activated upon click. This enables + * only activating a link when a certain modifier is held down, if not the + * mouse event will continue propagation (eg. double click to select word). + */ + willLinkActivate?: (event: MouseEvent, uri: string) => boolean; + } + + /** + * An object that can be disposed via a dispose function. + */ + export interface IDisposable { + dispose(): void; + } + + /** + * An event that can be listened to. + * @returns an `IDisposable` to stop listening. + */ + export interface IEvent { + (listener: (e: T) => any): IDisposable; + } + + /** + * Represents a specific line in the terminal that is tracked when scrollback + * is trimmed and lines are added or removed. This is a single line that may + * be part of a larger wrapped line. + */ + export interface IMarker extends IDisposable { + /** + * A unique identifier for this marker. + */ + readonly id: number; + + /** + * Whether this marker is disposed. + */ + readonly isDisposed: boolean; + + /** + * The actual line index in the buffer at this point in time. This is set to + * -1 if the marker has been disposed. + */ + readonly line: number; + } + + /** + * The set of localizable strings. + */ + export interface ILocalizableStrings { + /** + * The aria label for the underlying input textarea for the terminal. + */ + promptLabel: string; + + /** + * Announcement for when line reading is suppressed due to too many lines + * being printed to the terminal when `screenReaderMode` is enabled. + */ + tooMuchOutput: string; + } + + /** + * The class that represents an xterm.js terminal. + */ + export class Terminal implements IDisposable { + /** + * The element containing the terminal. + */ + readonly element: HTMLElement | undefined; + + /** + * The textarea that accepts input for the terminal. + */ + readonly textarea: HTMLTextAreaElement | undefined; + + /** + * The number of rows in the terminal's viewport. Use + * `ITerminalOptions.rows` to set this in the constructor and + * `Terminal.resize` for when the terminal exists. + */ + readonly rows: number; + + /** + * The number of columns in the terminal's viewport. Use + * `ITerminalOptions.cols` to set this in the constructor and + * `Terminal.resize` for when the terminal exists. + */ + readonly cols: number; + + /** + * (EXPERIMENTAL) The terminal's current buffer, this might be either the + * normal buffer or the alt buffer depending on what's running in the + * terminal. + */ + readonly buffer: IBuffer; + + /** + * (EXPERIMENTAL) Get all markers registered against the buffer. If the alt + * buffer is active this will always return []. + */ + readonly markers: ReadonlyArray; + + /** + * (EXPERIMENTAL) Get the parser interface to register + * custom escape sequence handlers. + */ + readonly parser: IParser; + + /** + * Natural language strings that can be localized. + */ + static strings: ILocalizableStrings; + + /** + * Creates a new `Terminal` object. + * + * @param options An object containing a set of options. + */ + constructor(options?: ITerminalOptions); + + /** + * Adds an event listener for the cursor moves. + * @returns an `IDisposable` to stop listening. + */ + onCursorMove: IEvent; + + /** + * Adds an event listener for when a data event fires. This happens for + * example when the user types or pastes into the terminal. The event value + * is whatever `string` results, in a typical setup, this should be passed + * on to the backing pty. + * @returns an `IDisposable` to stop listening. + */ + onData: IEvent; + + /** + * Adds an event listener for a key is pressed. The event value contains the + * string that will be sent in the data event as well as the DOM event that + * triggered it. + * @returns an `IDisposable` to stop listening. + */ + onKey: IEvent<{ key: string, domEvent: KeyboardEvent }>; + + /** + * Adds an event listener for when a line feed is added. + * @returns an `IDisposable` to stop listening. + */ + onLineFeed: IEvent; + + /** + * Adds an event listener for when a scroll occurs. The event value is the + * new position of the viewport. + * @returns an `IDisposable` to stop listening. + */ + onScroll: IEvent; + + /** + * Adds an event listener for when a selection change occurs. + * @returns an `IDisposable` to stop listening. + */ + onSelectionChange: IEvent; + + /** + * Adds an event listener for when rows are rendered. The event value + * contains the start row and end rows of the rendered area (ranges from `0` + * to `Terminal.rows - 1`). + * @returns an `IDisposable` to stop listening. + */ + onRender: IEvent<{ start: number, end: number }>; + + /** + * Adds an event listener for when the terminal is resized. The event value + * contains the new size. + * @returns an `IDisposable` to stop listening. + */ + onResize: IEvent<{ cols: number, rows: number }>; + + /** + * Adds an event listener for when an OSC 0 or OSC 2 title change occurs. + * The event value is the new title. + * @returns an `IDisposable` to stop listening. + */ + onTitleChange: IEvent; + + /** + * Unfocus the terminal. + */ + blur(): void; + + /** + * Focus the terminal. + */ + focus(): void; + + /** + * Resizes the terminal. It's best practice to debounce calls to resize, + * this will help ensure that the pty can respond to the resize event + * before another one occurs. + * @param x The number of columns to resize to. + * @param y The number of rows to resize to. + */ + resize(columns: number, rows: number): void; + + /** + * Opens the terminal within an element. + * @param parent The element to create the terminal within. This element + * must be visible (have dimensions) when `open` is called as several DOM- + * based measurements need to be performed when this function is called. + */ + open(parent: HTMLElement): void; + + /** + * Attaches a custom key event handler which is run before keys are + * processed, giving consumers of xterm.js ultimate control as to what keys + * should be processed by the terminal and what keys should not. + * @param customKeyEventHandler The custom KeyboardEvent handler to attach. + * This is a function that takes a KeyboardEvent, allowing consumers to stop + * propagation and/or prevent the default action. The function returns + * whether the event should be processed by xterm.js. + */ + attachCustomKeyEventHandler(customKeyEventHandler: (event: KeyboardEvent) => boolean): void; + + /** + * (EXPERIMENTAL) Registers a link matcher, allowing custom link patterns to + * be matched and handled. + * @param regex The regular expression to search for, specifically this + * searches the textContent of the rows. You will want to use \s to match a + * space ' ' character for example. + * @param handler The callback when the link is called. + * @param options Options for the link matcher. + * @return The ID of the new matcher, this can be used to deregister. + */ + registerLinkMatcher(regex: RegExp, handler: (event: MouseEvent, uri: string) => void, options?: ILinkMatcherOptions): number; + + /** + * (EXPERIMENTAL) Deregisters a link matcher if it has been registered. + * @param matcherId The link matcher's ID (returned after register) + */ + deregisterLinkMatcher(matcherId: number): void; + + /** + * (EXPERIMENTAL) Registers a character joiner, allowing custom sequences of + * characters to be rendered as a single unit. This is useful in particular + * for rendering ligatures and graphemes, among other things. + * + * Each registered character joiner is called with a string of text + * representing a portion of a line in the terminal that can be rendered as + * a single unit. The joiner must return a sorted array, where each entry is + * itself an array of length two, containing the start (inclusive) and end + * (exclusive) index of a substring of the input that should be rendered as + * a single unit. When multiple joiners are provided, the results of each + * are collected. If there are any overlapping substrings between them, they + * are combined into one larger unit that is drawn together. + * + * All character joiners that are registered get called every time a line is + * rendered in the terminal, so it is essential for the handler function to + * run as quickly as possible to avoid slowdowns when rendering. Similarly, + * joiners should strive to return the smallest possible substrings to + * render together, since they aren't drawn as optimally as individual + * characters. + * + * NOTE: character joiners are only used by the canvas renderer. + * + * @param handler The function that determines character joins. It is called + * with a string of text that is eligible for joining and returns an array + * where each entry is an array containing the start (inclusive) and end + * (exclusive) indexes of ranges that should be rendered as a single unit. + * @return The ID of the new joiner, this can be used to deregister + */ + registerCharacterJoiner(handler: (text: string) => [number, number][]): number; + + /** + * (EXPERIMENTAL) Deregisters the character joiner if one was registered. + * NOTE: character joiners are only used by the canvas renderer. + * @param joinerId The character joiner's ID (returned after register) + */ + deregisterCharacterJoiner(joinerId: number): void; + + /** + * (EXPERIMENTAL) Adds a marker to the normal buffer and returns it. If the + * alt buffer is active, undefined is returned. + * @param cursorYOffset The y position offset of the marker from the cursor. + */ + addMarker(cursorYOffset: number): IMarker; + + /** + * Gets whether the terminal has an active selection. + */ + hasSelection(): boolean; + + /** + * Gets the terminal's current selection, this is useful for implementing + * copy behavior outside of xterm.js. + */ + getSelection(): string; + + /** + * Gets the selection position or undefined if there is no selection. + */ + getSelectionPosition(): ISelectionPosition | undefined; + + /** + * Clears the current terminal selection. + */ + clearSelection(): void; + + /** + * Selects text within the terminal. + * @param column The column the selection starts at.. + * @param row The row the selection starts at. + * @param length The length of the selection. + */ + select(column: number, row: number, length: number): void; + + /** + * Selects all text within the terminal. + */ + selectAll(): void; + + /** + * Selects text in the buffer between 2 lines. + * @param start The 0-based line index to select from (inclusive). + * @param end The 0-based line index to select to (inclusive). + */ + selectLines(start: number, end: number): void; + + /* + * Disposes of the terminal, detaching it from the DOM and removing any + * active listeners. + */ + dispose(): void; + + /** + * Scroll the display of the terminal + * @param amount The number of lines to scroll down (negative scroll up). + */ + scrollLines(amount: number): void; + + /** + * Scroll the display of the terminal by a number of pages. + * @param pageCount The number of pages to scroll (negative scrolls up). + */ + scrollPages(pageCount: number): void; + + /** + * Scrolls the display of the terminal to the top. + */ + scrollToTop(): void; + + /** + * Scrolls the display of the terminal to the bottom. + */ + scrollToBottom(): void; + + /** + * Scrolls to a line within the buffer. + * @param line The 0-based line index to scroll to. + */ + scrollToLine(line: number): void; + + /** + * Clear the entire buffer, making the prompt line the new first line. + */ + clear(): void; + + /** + * Write data to the terminal. + * @param data The data to write to the terminal. This can either be raw + * bytes given as Uint8Array from the pty or a string. Raw bytes will always + * be treated as UTF-8 encoded, string data as UTF-16. + * @param callback Optional callback that fires when the data was processed + * by the parser. + */ + write(data: string | Uint8Array, callback?: () => void): void; + + /** + * Writes data to the terminal, followed by a break line character (\n). + * @param data The data to write to the terminal. This can either be raw + * bytes given as Uint8Array from the pty or a string. Raw bytes will always + * be treated as UTF-8 encoded, string data as UTF-16. + * @param callback Optional callback that fires when the data was processed + * by the parser. + */ + writeln(data: string | Uint8Array, callback?: () => void): void; + + /** + * Write UTF8 data to the terminal. + * @param data The data to write to the terminal. + * @param callback Optional callback when data was processed. + * @deprecated use `write` instead + */ + writeUtf8(data: Uint8Array, callback?: () => void): void; + + /** + * Writes text to the terminal, performing the necessary transformations for pasted text. + * @param data The text to write to the terminal. + */ + paste(data: string): void; + + /** + * Retrieves an option's value from the terminal. + * @param key The option key. + */ + getOption(key: 'bellSound' | 'bellStyle' | 'cursorStyle' | 'fontFamily' | 'fontWeight' | 'fontWeightBold' | 'logLevel' | 'rendererType' | 'termName' | 'wordSeparator'): string; + /** + * Retrieves an option's value from the terminal. + * @param key The option key. + */ + getOption(key: 'allowTransparency' | 'cancelEvents' | 'convertEol' | 'cursorBlink' | 'disableStdin' | 'macOptionIsMeta' | 'rightClickSelectsWord' | 'popOnBell' | 'screenKeys' | 'useFlowControl' | 'visualBell' | 'windowsMode'): boolean; + /** + * Retrieves an option's value from the terminal. + * @param key The option key. + */ + getOption(key: 'colors'): string[]; + /** + * Retrieves an option's value from the terminal. + * @param key The option key. + */ + getOption(key: 'cols' | 'fontSize' | 'letterSpacing' | 'lineHeight' | 'rows' | 'tabStopWidth' | 'scrollback'): number; + /** + * Retrieves an option's value from the terminal. + * @param key The option key. + */ + getOption(key: 'handler'): (data: string) => void; + /** + * Retrieves an option's value from the terminal. + * @param key The option key. + */ + getOption(key: string): any; + + /** + * Sets an option on the terminal. + * @param key The option key. + * @param value The option value. + */ + setOption(key: 'fontFamily' | 'termName' | 'bellSound' | 'wordSeparator', value: string): void; + /** + * Sets an option on the terminal. + * @param key The option key. + * @param value The option value. + */ + setOption(key: 'fontWeight' | 'fontWeightBold', value: null | 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900'): void; + /** + * Sets an option on the terminal. + * @param key The option key. + * @param value The option value. + */ + setOption(key: 'logLevel', value: LogLevel): void; + /** + * Sets an option on the terminal. + * @param key The option key. + * @param value The option value. + */ + setOption(key: 'bellStyle', value: null | 'none' | 'visual' | 'sound' | 'both'): void; + /** + * Sets an option on the terminal. + * @param key The option key. + * @param value The option value. + */ + setOption(key: 'cursorStyle', value: null | 'block' | 'underline' | 'bar'): void; + /** + * Sets an option on the terminal. + * @param key The option key. + * @param value The option value. + */ + setOption(key: 'allowTransparency' | 'cancelEvents' | 'convertEol' | 'cursorBlink' | 'disableStdin' | 'macOptionIsMeta' | 'popOnBell' | 'rightClickSelectsWord' | 'screenKeys' | 'useFlowControl' | 'visualBell' | 'windowsMode', value: boolean): void; + /** + * Sets an option on the terminal. + * @param key The option key. + * @param value The option value. + */ + setOption(key: 'colors', value: string[]): void; + /** + * Sets an option on the terminal. + * @param key The option key. + * @param value The option value. + */ + setOption(key: 'fontSize' | 'letterSpacing' | 'lineHeight' | 'tabStopWidth' | 'scrollback', value: number): void; + /** + * Sets an option on the terminal. + * @param key The option key. + * @param value The option value. + */ + setOption(key: 'handler', value: (data: string) => void): void; + /** + * Sets an option on the terminal. + * @param key The option key. + * @param value The option value. + */ + setOption(key: 'theme', value: ITheme): void; + /** + * Sets an option on the terminal. + * @param key The option key. + * @param value The option value. + */ + setOption(key: 'cols' | 'rows', value: number): void; + /** + * Sets an option on the terminal. + * @param key The option key. + * @param value The option value. + */ + setOption(key: string, value: any): void; + + /** + * Tells the renderer to refresh terminal content between two rows + * (inclusive) at the next opportunity. + * @param start The row to start from (between 0 and this.rows - 1). + * @param end The row to end at (between start and this.rows - 1). + */ + refresh(start: number, end: number): void; + + /** + * Perform a full reset (RIS, aka '\x1bc'). + */ + reset(): void; + + /** + * Loads an addon into this instance of xterm.js. + * @param addon The addon to load. + */ + loadAddon(addon: ITerminalAddon): void; + } + + /** + * An addon that can provide additional functionality to the terminal. + */ + export interface ITerminalAddon extends IDisposable { + /** + * This is called when the addon is activated. + */ + activate(terminal: Terminal): void; + } + + /** + * An object representing a selection within the terminal. + */ + interface ISelectionPosition { + /** + * The start column of the selection. + */ + startColumn: number; + + /** + * The start row of the selection. + */ + startRow: number; + + /** + * The end column of the selection. + */ + endColumn: number; + + /** + * The end row of the selection. + */ + endRow: number; + } + + /** + * An object representing a range within the viewport of the terminal. + */ + export interface IViewportRange { + /** + * The start of the range. + */ + start: IViewportRangePosition; + + /** + * The end of the range. + */ + end: IViewportRangePosition; + } + + /** + * An object representing a cell position within the viewport of the terminal. + */ + interface IViewportRangePosition { + /** + * The x position of the cell. This is a 0-based index that refers to the + * space in between columns, not the column itself. Index 0 refers to the + * left side of the viewport, index `Terminal.cols` refers to the right side + * of the viewport. This can be thought of as how a cursor is positioned in + * a text editor. + */ + x: number; + + /** + * The y position of the cell. This is a 0-based index that refers to a + * specific row. + */ + y: number; + } + + /** + * Represents a terminal buffer. + */ + interface IBuffer { + /** + * The y position of the cursor. This ranges between `0` (when the + * cursor is at baseY) and `Terminal.rows - 1` (when the cursor is on the + * last row). + */ + readonly cursorY: number; + + /** + * The x position of the cursor. This ranges between `0` (left side) and + * `Terminal.cols - 1` (right side). + */ + readonly cursorX: number; + + /** + * The line within the buffer where the top of the viewport is. + */ + readonly viewportY: number; + + /** + * The line within the buffer where the top of the bottom page is (when + * fully scrolled down); + */ + readonly baseY: number; + + /** + * The amount of lines in the buffer. + */ + readonly length: number; + + /** + * Gets a line from the buffer, or undefined if the line index does not + * exist. + * + * Note that the result of this function should be used immediately after + * calling as when the terminal updates it could lead to unexpected + * behavior. + * + * @param y The line index to get. + */ + getLine(y: number): IBufferLine | undefined; + } + + /** + * Represents a line in the terminal's buffer. + */ + interface IBufferLine { + /** + * Whether the line is wrapped from the previous line. + */ + readonly isWrapped: boolean; + + /** + * Gets a cell from the line, or undefined if the line index does not exist. + * + * Note that the result of this function should be used immediately after + * calling as when the terminal updates it could lead to unexpected + * behavior. + * + * @param x The character index to get. + */ + getCell(x: number): IBufferCell | undefined; + + /** + * Gets the line as a string. Note that this is gets only the string for the + * line, not taking isWrapped into account. + * + * @param trimRight Whether to trim any whitespace at the right of the line. + * @param startColumn The column to start from (inclusive). + * @param endColumn The column to end at (exclusive). + */ + translateToString(trimRight?: boolean, startColumn?: number, endColumn?: number): string; + } + + /** + * Represents a single cell in the terminal's buffer. + */ + interface IBufferCell { + /** + * The character within the cell. + */ + readonly char: string; + + /** + * The width of the character. Some examples: + * + * - This is `1` for most cells. + * - This is `2` for wide character like CJK glyphs. + * - This is `0` for cells immediately following cells with a width of `2`. + */ + readonly width: number; + } + + /** + * (EXPERIMENTAL) Data type to register a CSI, DCS or ESC callback in the parser + * in the form: + * ESC I..I F + * CSI Prefix P..P I..I F + * DCS Prefix P..P I..I F data_bytes ST + * + * with these rules/restrictions: + * - prefix can only be used with CSI and DCS + * - only one leading prefix byte is recognized by the parser + * before any other parameter bytes (P..P) + * - intermediate bytes are recognized up to 2 + * + * For custom sequences make sure to read ECMA-48 and the resources at + * vt100.net to not clash with existing sequences or reserved address space. + * General recommendations: + * - use private address space (see ECMA-48) + * - use max one intermediate byte (technically not limited by the spec, + * in practice there are no sequences with more than one intermediate byte, + * thus parsers might get confused with more intermediates) + * - test against other common emulators to check whether they escape/ignore + * the sequence correctly + * + * Notes: OSC command registration is handled differently (see addOscHandler) + * APC, PM or SOS is currently not supported. + */ + export interface IFunctionIdentifier { + /** + * Optional prefix byte, must be in range \x3c .. \x3f. + * Usable in CSI and DCS. + */ + prefix?: string; + /** + * Optional intermediate bytes, must be in range \x20 .. \x2f. + * Usable in CSI, DCS and ESC. + */ + intermediates?: string; + /** + * Final byte, must be in range \x40 .. \x7e for CSI and DCS, + * \x30 .. \x7e for ESC. + */ + final: string; + } + + /** + * (EXPERIMENTAL) Parser interface. + */ + export interface IParser { + /** + * Adds a handler for CSI escape sequences. + * @param id Specifies the function identifier under which the callback + * gets registered, e.g. {final: 'm'} for SGR. + * @param callback The function to handle the sequence. The callback is + * called with the numerical params. If the sequence has subparams the + * array will contain subarrays with their numercial values. + * Return true if the sequence was handled; false if we should try + * a previous handler (set by addCsiHandler or setCsiHandler). + * The most recently-added handler is tried first. + * @return An IDisposable you can call to remove this handler. + */ + addCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean): IDisposable; + + /** + * Adds a handler for DCS escape sequences. + * @param id Specifies the function identifier under which the callback + * gets registered, e.g. {intermediates: '$' final: 'q'} for DECRQSS. + * @param callback The function to handle the sequence. Note that the + * function will only be called once if the sequence finished sucessfully. + * There is currently no way to intercept smaller data chunks, data chunks + * will be stored up until the sequence is finished. Since DCS sequences + * are not limited by the amount of data this might impose a problem for + * big payloads. Currently xterm.js limits DCS payload to 10 MB + * which should give enough room for most use cases. + * The function gets the payload and numerical parameters as arguments. + * Return true if the sequence was handled; false if we should try + * a previous handler (set by addDcsHandler or setDcsHandler). + * The most recently-added handler is tried first. + * @return An IDisposable you can call to remove this handler. + */ + addDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean): IDisposable; + + /** + * Adds a handler for ESC escape sequences. + * @param id Specifies the function identifier under which the callback + * gets registered, e.g. {intermediates: '%' final: 'G'} for + * default charset selection. + * @param callback The function to handle the sequence. + * Return true if the sequence was handled; false if we should try + * a previous handler (set by addEscHandler or setEscHandler). + * The most recently-added handler is tried first. + * @return An IDisposable you can call to remove this handler. + */ + addEscHandler(id: IFunctionIdentifier, handler: () => boolean): IDisposable; + + /** + * Adds a handler for OSC escape sequences. + * @param ident The number (first parameter) of the sequence. + * @param callback The function to handle the sequence. Note that the + * function will only be called once if the sequence finished sucessfully. + * There is currently no way to intercept smaller data chunks, data chunks + * will be stored up until the sequence is finished. Since OSC sequences + * are not limited by the amount of data this might impose a problem for + * big payloads. Currently xterm.js limits OSC payload to 10 MB + * which should give enough room for most use cases. + * The callback is called with OSC data string. + * Return true if the sequence was handled; false if we should try + * a previous handler (set by addOscHandler or setOscHandler). + * The most recently-added handler is tried first. + * @return An IDisposable you can call to remove this handler. + */ + addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable; + } +}