antsy - npm Package Compare versions

Comparing version 3.0.3 to 4.0.0

lib/antsy.d.ts

@@ -1,6 +0,6 @@
-export { Canvas, Region } from "./antsy/canvas";
-export { Constraint, GridLayout } from "./antsy/grid_layout";
-export { Key, KeyParser, KeyType, Modifier } from "./antsy/keys";
-export { Terminal } from "./antsy/terminal";
-export { TextBuffer } from "./antsy/text_buffer";
-export { get_color, name_to_rgb, rgb_to_xterm, xterm_to_rgb } from "./antsy/xterm256";
+export { Canvas, Region } from "./antsy/canvas.js";
+export { Constraint, GridLayout } from "./antsy/grid_layout.js";
+export { Key, KeyParser, KeyType, Modifier } from "./antsy/keys.js";
+export { Terminal } from "./antsy/terminal.js";
+export { TextBuffer } from "./antsy/text_buffer.js";
+export { get_color, name_to_rgb, rgb_to_xterm, xterm_to_rgb } from "./antsy/xterm256.js";

lib/antsy.js

@@ -1,22 +0,7 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var canvas_1 = require("./antsy/canvas");
-Object.defineProperty(exports, "Canvas", { enumerable: true, get: function () { return canvas_1.Canvas; } });
-Object.defineProperty(exports, "Region", { enumerable: true, get: function () { return canvas_1.Region; } });
-var grid_layout_1 = require("./antsy/grid_layout");
-Object.defineProperty(exports, "GridLayout", { enumerable: true, get: function () { return grid_layout_1.GridLayout; } });
-var keys_1 = require("./antsy/keys");
-Object.defineProperty(exports, "Key", { enumerable: true, get: function () { return keys_1.Key; } });
-Object.defineProperty(exports, "KeyParser", { enumerable: true, get: function () { return keys_1.KeyParser; } });
-Object.defineProperty(exports, "KeyType", { enumerable: true, get: function () { return keys_1.KeyType; } });
-Object.defineProperty(exports, "Modifier", { enumerable: true, get: function () { return keys_1.Modifier; } });
-var terminal_1 = require("./antsy/terminal");
-Object.defineProperty(exports, "Terminal", { enumerable: true, get: function () { return terminal_1.Terminal; } });
-var text_buffer_1 = require("./antsy/text_buffer");
-Object.defineProperty(exports, "TextBuffer", { enumerable: true, get: function () { return text_buffer_1.TextBuffer; } });
-var xterm256_1 = require("./antsy/xterm256");
-Object.defineProperty(exports, "get_color", { enumerable: true, get: function () { return xterm256_1.get_color; } });
-Object.defineProperty(exports, "name_to_rgb", { enumerable: true, get: function () { return xterm256_1.name_to_rgb; } });
-Object.defineProperty(exports, "rgb_to_xterm", { enumerable: true, get: function () { return xterm256_1.rgb_to_xterm; } });
-Object.defineProperty(exports, "xterm_to_rgb", { enumerable: true, get: function () { return xterm256_1.xterm_to_rgb; } });
+export { Canvas, Region } from "./antsy/canvas.js";
+export { GridLayout } from "./antsy/grid_layout.js";
+export { Key, KeyParser, KeyType, Modifier } from "./antsy/keys.js";
+export { Terminal } from "./antsy/terminal.js";
+export { TextBuffer } from "./antsy/text_buffer.js";
+export { get_color, name_to_rgb, rgb_to_xterm, xterm_to_rgb } from "./antsy/xterm256.js";
 //# sourceMappingURL=antsy.js.map

lib/antsy/canvas_diff.d.ts

@@ -1,2 +0,2 @@
-import { TextBuffer } from "./text_buffer";
+import { TextBuffer } from "./text_buffer.js";
 export declare function computeDiff(oldBuffer: TextBuffer, newBuffer: TextBuffer): string;

lib/antsy/canvas_diff.js

@@ -1,5 +0,2 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.computeDiff = void 0;
-const terminal_1 = require("./terminal");
+import { Terminal } from "./terminal.js";
 // if we see this many blanks in a row, check if clear-to-end-of-line would help
@@ -15,2 +12,7 @@ const THRESHOLD_BLANKS = 8;
 class ClearPoint {
+    attr;
+    bg;
+    x;
+    score;
+    chainScore;
     constructor(attr, bg, // (attr >> 8) & 0xff, for convenience
@@ -29,2 +31,4 @@ x, score = CLEAR_STARTING_SCORE, // how much better is it to do this clrtoeol vs without?
 class LineDistance {
+    distance;
+    clears;
     constructor(distance, clears) {
@@ -44,6 +48,6 @@ this.distance = distance;
  */
-function computeDiff(oldBuffer, newBuffer) {
+export function computeDiff(oldBuffer, newBuffer) {
     let out = "";
     if (newBuffer.pendingClear) {
-        out += changeAttr(oldBuffer, newBuffer.pendingClear) + terminal_1.Terminal.clearScreen();
+        out += changeAttr(oldBuffer, newBuffer.pendingClear) + Terminal.clearScreen();
         oldBuffer.clearBox(0, 0, oldBuffer.cols, oldBuffer.rows, newBuffer.pendingClear);
@@ -73,3 +77,3 @@ oldBuffer.cursorX = 0;
                 const c = distance.clears[0];
-                out += move(oldBuffer, c.x, y) + changeAttr(oldBuffer, c.attr, false) + terminal_1.Terminal.eraseLine();
+                out += move(oldBuffer, c.x, y) + changeAttr(oldBuffer, c.attr, false) + Terminal.eraseLine();
                 distance.clears.shift();
@@ -89,3 +93,3 @@ }
             const c = distance.clears[0];
-            out += move(oldBuffer, c.x, y) + changeAttr(oldBuffer, c.attr, false) + terminal_1.Terminal.eraseLine();
+            out += move(oldBuffer, c.x, y) + changeAttr(oldBuffer, c.attr, false) + Terminal.eraseLine();
             distance.clears.shift();
@@ -98,3 +102,2 @@ }
 }
-exports.computeDiff = computeDiff;
 function computeRowDistance(oldBuffer, oldy, newBuffer, newy = oldy) {
@@ -220,7 +223,7 @@ // difference between source & dist lines, in # of cells that have to be redrawn
     if (s.rows > 0) {
-        out += terminal_1.Terminal.scrollUp(s.top, s.bottom, s.rows);
+        out += Terminal.scrollUp(s.top, s.bottom, s.rows);
         oldBuffer.scrollUp(0, s.top, oldBuffer.cols, s.bottom, s.rows, oldBuffer.attr);
     }
     else {
-        out += terminal_1.Terminal.scrollDown(s.top, s.bottom, -s.rows);
+        out += Terminal.scrollDown(s.top, s.bottom, -s.rows);
         oldBuffer.scrollDown(0, s.top, oldBuffer.cols, s.bottom, -s.rows, oldBuffer.attr);
@@ -252,3 +255,3 @@ }
     buffer.attr = attr;
-    return (oldfg != newfg ? terminal_1.Terminal.fg(newfg) : "") + ((oldbg != newbg) ? terminal_1.Terminal.bg(newbg) : "");
+    return (oldfg != newfg ? Terminal.fg(newfg) : "") + ((oldbg != newbg) ? Terminal.bg(newbg) : "");
 }
@@ -261,7 +264,7 @@ // move cursor to (newX, newY)
     if (oldX < 0 || oldY < 0)
-        return terminal_1.Terminal.move(newX, newY);
+        return Terminal.move(newX, newY);
     if (oldX == newX && oldY == newY)
         return "";
     if (oldX == newX)
-        return terminal_1.Terminal.moveRelative(0, newY - oldY);
+        return Terminal.moveRelative(0, newY - oldY);
     // vt100 quirk: if we think the cursor is "just off-screen", what really
@@ -272,4 +275,4 @@ // happened is that we wrote into the final column of the screen, and
     if (oldY == newY && oldX < buffer.cols)
-        return terminal_1.Terminal.moveRelative(newX - oldX, 0);
-    return terminal_1.Terminal.move(newX, newY);
+        return Terminal.moveRelative(newX - oldX, 0);
+    return Terminal.move(newX, newY);
 }
@@ -276,0 +279,0 @@ // *sings the song of my people*: "this should be in the stdlib"

lib/antsy/canvas.d.ts

@@ -1,3 +0,3 @@
-/// <reference types="node" />
-import { TextBuffer } from "./text_buffer";
+/// <reference types="node" resolution-mode="require"/>
+import { TextBuffer } from "./text_buffer.js";
 export declare class Canvas {
@@ -4,0 +4,0 @@ cols: number;

lib/antsy/canvas.js

@@ -1,8 +0,5 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.Region = exports.Canvas = void 0;
-const canvas_diff_1 = require("./canvas_diff");
-const terminal_1 = require("./terminal");
-const text_buffer_1 = require("./text_buffer");
-const xterm256 = require("./xterm256");
+import { computeDiff } from "./canvas_diff.js";
+import { Terminal } from "./terminal.js";
+import { TextBuffer } from "./text_buffer.js";
+import * as xterm256 from "./xterm256.js";
 const WHITE = 7; // xterm256.get_color("gray");
@@ -13,12 +10,25 @@ const BLACK = 16; // xterm256.get_color("black");
 let ID = 1;
-class Canvas {
+export class Canvas {
+    cols;
+    rows;
+    // next: what we're drawing
+    nextBuffer;
+    // current: what's currently on the screen
+    currentBuffer;
+    // cache the main region
+    _all;
+    // do we want to be redrawn?
+    dirty = true;
+    // do we want to force the entire canvas to be redrawn?
+    forceAll = false;
+    // track a debounce listener for dirty events
+    dirtyListener;
+    dirtyTimer;
+    dirtyDebounceDelay = 0;
+    // for debugging
+    id;
     constructor(cols, rows) {
         this.cols = cols;
         this.rows = rows;
-        // do we want to be redrawn?
-        this.dirty = true;
-        // do we want to force the entire canvas to be redrawn?
-        this.forceAll = false;
-        this.dirtyDebounceDelay = 0;
-        this.nextBuffer = new text_buffer_1.TextBuffer(cols, rows);
+        this.nextBuffer = new TextBuffer(cols, rows);
         this.nextBuffer.clearBox(0, 0, cols, rows, DEFAULT_ATTR);
@@ -79,6 +89,5 @@ this.id = ID++;
     writeChars(x, y, attr, chars) {
-        var _a;
         this.setDirty();
         for (let i = 0; i < chars.length; i++) {
-            const ch = (_a = chars[i].codePointAt(0)) !== null && _a !== void 0 ? _a : SPACE;
+            const ch = chars[i].codePointAt(0) ?? SPACE;
             this.nextBuffer.put(x++, y, attr, ch);
@@ -96,3 +105,3 @@ if (x >= this.cols || y >= this.rows)
         if (this.currentBuffer === undefined) {
-            this.currentBuffer = new text_buffer_1.TextBuffer(this.cols, this.rows);
+            this.currentBuffer = new TextBuffer(this.cols, this.rows);
         }
@@ -102,3 +111,3 @@ let clear = "";
             this.forceAll = false;
-            this.currentBuffer = new text_buffer_1.TextBuffer(this.cols, this.rows);
+            this.currentBuffer = new TextBuffer(this.cols, this.rows);
             this.nextBuffer.pendingClear = DEFAULT_ATTR;
@@ -108,3 +117,3 @@ this.nextBuffer.setAllDirty();
         this.dirty = false;
-        return clear + canvas_diff_1.computeDiff(this.currentBuffer, this.nextBuffer);
+        return clear + computeDiff(this.currentBuffer, this.nextBuffer);
     }
@@ -120,5 +129,5 @@ // generate linefeed-terminated lines of text, assuming we don't own the
                 if ((attr >> 8) != bg)
-                    line += terminal_1.Terminal.bg(attr >> 8);
+                    line += Terminal.bg(attr >> 8);
                 if ((attr & 0xff) != fg)
-                    line += terminal_1.Terminal.fg(attr & 0xff);
+                    line += Terminal.fg(attr & 0xff);
                 line += String.fromCodePoint(this.nextBuffer.getChar(x, y));
@@ -128,3 +137,3 @@ fg = attr & 0xff;
             }
-            line += terminal_1.Terminal.noColor() + "\n";
+            line += Terminal.noColor() + "\n";
             return line;
@@ -134,5 +143,16 @@ }).join("");
 }
-exports.Canvas = Canvas;
 // Clipped region of a canvas
-class Region {
+export class Region {
+    canvas;
+    x1;
+    y1;
+    x2;
+    y2;
+    cursorX;
+    cursorY;
+    attr;
+    resizeListeners = new Set();
+    // used when this region was created by clipping another region:
+    // remember the parent region so resizes can be relative to it
+    parent;
     constructor(canvas, x1, y1, x2, y2) {
@@ -144,3 +164,2 @@ this.canvas = canvas;
         this.y2 = y2;
-        this.resizeListeners = new Set();
         this.cursorX = 0;
@@ -164,4 +183,3 @@ this.cursorY = 0;
     get parentOffset() {
-        var _a, _b, _c, _d;
-        return [this.x1 - ((_b = (_a = this.parent) === null || _a === void 0 ? void 0 : _a.x1) !== null && _b !== void 0 ? _b : 0), this.y1 - ((_d = (_c = this.parent) === null || _c === void 0 ? void 0 : _c.y1) !== null && _d !== void 0 ? _d : 0)];
+        return [this.x1 - (this.parent?.x1 ?? 0), this.y1 - (this.parent?.y1 ?? 0)];
     }
@@ -192,7 +210,6 @@ offsetFrom(region) {
     resize(x1, y1, x2, y2) {
-        var _a, _b, _c, _d, _e, _f, _g, _h;
-        this.x1 = x1 + ((_b = (_a = this.parent) === null || _a === void 0 ? void 0 : _a.x1) !== null && _b !== void 0 ? _b : 0);
-        this.y1 = y1 + ((_d = (_c = this.parent) === null || _c === void 0 ? void 0 : _c.y1) !== null && _d !== void 0 ? _d : 0);
-        this.x2 = x2 + ((_f = (_e = this.parent) === null || _e === void 0 ? void 0 : _e.x1) !== null && _f !== void 0 ? _f : 0);
-        this.y2 = y2 + ((_h = (_g = this.parent) === null || _g === void 0 ? void 0 : _g.y1) !== null && _h !== void 0 ? _h : 0);
+        this.x1 = x1 + (this.parent?.x1 ?? 0);
+        this.y1 = y1 + (this.parent?.y1 ?? 0);
+        this.x2 = x2 + (this.parent?.x1 ?? 0);
+        this.y2 = y2 + (this.parent?.y1 ?? 0);
         // clip cursor:
@@ -236,8 +253,7 @@ this.at(this.cursorX, this.cursorY);
     write(s) {
-        var _a, _b;
         const lines = s.split("\n");
-        this.writeLine((_a = lines.shift()) !== null && _a !== void 0 ? _a : "");
+        this.writeLine(lines.shift() ?? "");
         while (lines.length > 0) {
             this.lf();
-            this.writeLine((_b = lines.shift()) !== null && _b !== void 0 ? _b : "");
+            this.writeLine(lines.shift() ?? "");
         }
@@ -305,3 +321,2 @@ return this;
 }
-exports.Region = Region;
 //# sourceMappingURL=canvas.js.map

lib/antsy/color_names.js

@@ -1,6 +0,3 @@
-"use strict";
 // a subset of the web color names, for convenience.
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.COLOR_NAMES = void 0;
-exports.COLOR_NAMES = {
+export const COLOR_NAMES = {
     "aqua": "0ff",
@@ -7,0 +4,0 @@ "black": "000",

lib/antsy/grid_layout.d.ts

@@ -1,2 +0,2 @@
-import { Region } from "./canvas";
+import { Region } from "./canvas.js";
 export interface Constraint {
@@ -3,0 +3,0 @@ minimum: number;

lib/antsy/grid_layout.js

@@ -1,5 +0,9 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.GridLayout = void 0;
-class GridLayout {
+export class GridLayout {
+    region;
+    colConstraints;
+    rowConstraints;
+    lefts = [];
+    tops = [];
+    resizeListeners = new Set();
+    onResize = () => this.resize(this.region.cols, this.region.rows);
     constructor(region, colConstraints, rowConstraints) {
@@ -9,6 +13,2 @@ this.region = region;
         this.rowConstraints = rowConstraints;
-        this.lefts = [];
-        this.tops = [];
-        this.resizeListeners = new Set();
-        this.onResize = () => this.resize(this.region.cols, this.region.rows);
         this.resize(region.cols, region.rows);
@@ -76,3 +76,2 @@ region.onResize(this.onResize);
 }
-exports.GridLayout = GridLayout;
 function sum(list) {
@@ -113,3 +112,3 @@ return list.reduce((sum, n) => sum + n, 0);
     // to the stretch constraints until it's used up.
-    let total = sum(results.map(r => { var _a; return (_a = r.size) !== null && _a !== void 0 ? _a : r.possibleSize; }));
+    let total = sum(results.map(r => r.size ?? r.possibleSize));
     for (let i = 0; total < size && i < results.length; i++) {
@@ -121,4 +120,4 @@ if (results[i].constraint.factor > 0 && results[i].size === undefined) {
     }
-    return results.map(r => { var _a; return (_a = r.size) !== null && _a !== void 0 ? _a : r.possibleSize; });
+    return results.map(r => r.size ?? r.possibleSize);
 }
 //# sourceMappingURL=grid_layout.js.map

lib/antsy/keys.d.ts

 export declare enum Modifier {
+    None = 0,
     Shift = 1,
@@ -3,0 +4,0 @@ Alt = 2,

lib/antsy/keys.js

@@ -1,6 +0,4 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.KeyParser = exports.Key = exports.KeyType = exports.Modifier = void 0;
-var Modifier;
+export var Modifier;
 (function (Modifier) {
+    Modifier[Modifier["None"] = 0] = "None";
     Modifier[Modifier["Shift"] = 1] = "Shift";
@@ -10,4 +8,4 @@ Modifier[Modifier["Alt"] = 2] = "Alt";
     Modifier[Modifier["Meta"] = 8] = "Meta";
-})(Modifier = exports.Modifier || (exports.Modifier = {}));
-var KeyType;
+})(Modifier || (Modifier = {}));
+export var KeyType;
 (function (KeyType) {
@@ -32,4 +30,7 @@ KeyType[KeyType["Normal"] = 0] = "Normal";
     KeyType[KeyType["Return"] = 17] = "Return";
-})(KeyType = exports.KeyType || (exports.KeyType = {}));
-class Key {
+})(KeyType || (KeyType = {}));
+export class Key {
+    modifiers;
+    type;
+    key;
     constructor(modifiers, type, key = "") {
@@ -75,3 +76,2 @@ this.modifiers = modifiers;
 }
-exports.Key = Key;
 var State;
@@ -101,13 +101,13 @@ (function (State) {
 // parse incoming xterm-encoded keypresses and emit decoded keys
-class KeyParser {
-    constructor() {
-        this.state = State.Normal;
-        this.modifiers = 0;
-        this.buffer = "";
-        this.lastKey = Date.now();
-        // async iterator state: queued keys or waiting reader
-        this.queue = [];
-        this.ended = false;
-        this.receiverRunning = false;
-    }
+export class KeyParser {
+    state = State.Normal;
+    modifiers = Modifier.None;
+    buffer = "";
+    lastKey = Date.now();
+    // async iterator state: queued keys or waiting reader
+    queue = [];
+    resolve;
+    ended = false;
+    receiver;
+    receiverRunning = false;
     [Symbol.asyncIterator]() {
@@ -353,3 +353,2 @@ return this;
 }
-exports.KeyParser = KeyParser;
 //# sourceMappingURL=keys.js.map

lib/antsy/terminal.js

@@ -1,5 +0,2 @@
-"use strict";
 // fancy CSI codes for updating a VT100/xterm terminal
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.Terminal = void 0;
 const CSI = "\u001b[";
@@ -11,3 +8,3 @@ /*
  */
-class Terminal {
+export class Terminal {
     static moveX(x) {
@@ -68,3 +65,2 @@ if (x == 0)
 }
-exports.Terminal = Terminal;
 //# sourceMappingURL=terminal.js.map

lib/antsy/text_buffer.js

@@ -1,4 +0,1 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.TextBuffer = exports.ScrollRegion = void 0;
 const SPACE = 0x20;
@@ -8,3 +5,7 @@ const MAX_HEIGHT = 32767;
 const MAX_SCROLLS = 3;
-class ScrollRegion {
+export class ScrollRegion {
+    top;
+    bottom;
+    rows;
+    attr;
     constructor(top, bottom, rows, attr) {
@@ -18,9 +19,23 @@ this.top = top;
 }
-exports.ScrollRegion = ScrollRegion;
-class TextBuffer {
+export class TextBuffer {
+    cols;
+    rows;
+    // unicode codepoint for each grid element (0 = blank)
+    chars;
+    // BBFF: background color (u8), foreground color (u8)
+    attrs;
+    // mark rows that have been updated
+    dirty;
+    // was "clear" called, and it's waiting to be painted?
+    pendingClear;
+    // remember the last few vertical scrolls, in case they help optimize drawing
+    pendingScrolls = [];
+    // cursor location
+    cursorX;
+    cursorY;
+    // last-set attribute (BBFF)
+    attr;
     constructor(cols, rows) {
         this.cols = cols;
         this.rows = rows;
-        // remember the last few vertical scrolls, in case they help optimize drawing
-        this.pendingScrolls = [];
         this.alloc(cols, rows);
@@ -213,3 +228,2 @@ this.cursorX = 0;
     transform(f) {
-        var _a, _b;
         for (let y = 0; y < this.rows; y++) {
@@ -222,4 +236,4 @@ for (let x = 0; x < this.cols; x++) {
                 const change = f(fg, bg, ch, x, y);
-                const newAttr = change[0] | (((_a = change[1]) !== null && _a !== void 0 ? _a : bg) << 8);
-                this.put(x, y, newAttr, (_b = change[2]) !== null && _b !== void 0 ? _b : ch);
+                const newAttr = change[0] | ((change[1] ?? bg) << 8);
+                this.put(x, y, newAttr, change[2] ?? ch);
             }
@@ -229,3 +243,2 @@ }
 }
-exports.TextBuffer = TextBuffer;
 //# sourceMappingURL=text_buffer.js.map

lib/antsy/xterm256.js

@@ -1,5 +0,2 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.nearest_ansi = exports.nearest_gray = exports.nearest_color_cube = exports.nearest_color = exports.color_from_r_g_b = exports.rgb_to_xterm = exports.color_from_hex = exports.xterm_to_rgb = exports.name_to_rgb = exports.get_color = void 0;
-const color_names_1 = require("./color_names");
+import { COLOR_NAMES } from "./color_names.js";
 const COLOR_CUBE = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];
@@ -21,5 +18,5 @@ const GRAY_LINE = [
 // parse a color name, or "#fff" or "#cc0033" into a color index
-function get_color(name) {
-    if (color_names_1.COLOR_NAMES[name])
-        name = color_names_1.COLOR_NAMES[name];
+export function get_color(name) {
+    if (COLOR_NAMES[name])
+        name = COLOR_NAMES[name];
     if (name[0] == "#")
@@ -32,7 +29,6 @@ name = name.slice(1);
 }
-exports.get_color = get_color;
 // return an RRGGBB value for a given color name
-function name_to_rgb(name) {
-    if (color_names_1.COLOR_NAMES[name])
-        name = color_names_1.COLOR_NAMES[name];
+export function name_to_rgb(name) {
+    if (COLOR_NAMES[name])
+        name = COLOR_NAMES[name];
     if (name[0] == "#")
@@ -45,3 +41,2 @@ name = name.slice(1);
 }
-exports.name_to_rgb = name_to_rgb;
 // given a hex like "fff" or "cc0033", return the closest matching color in xterm-256 as an index (0 - 255)
@@ -59,3 +54,3 @@ function hex_to_rgb(hex) {
 // return an RRGGBB value for the given xterm color
-function xterm_to_rgb(xtermColor) {
+export function xterm_to_rgb(xtermColor) {
     if (xtermColor < 0 || xtermColor > 0xff)
@@ -75,5 +70,4 @@ return 0;
 }
-exports.xterm_to_rgb = xterm_to_rgb;
 // given a hex like "fff" or "cc0033", return the closest matching color in xterm-256 as an index (0 - 255)
-function color_from_hex(hex) {
+export function color_from_hex(hex) {
     if (cache[hex] != null)
@@ -92,9 +86,7 @@ return cache[hex];
 }
-exports.color_from_hex = color_from_hex;
 // return an RRGGBB value for the given xterm color
-function rgb_to_xterm(rgb) {
+export function rgb_to_xterm(rgb) {
     return color_from_r_g_b((rgb >> 16) & 0xff, (rgb >> 8) & 0xff, rgb & 0xff);
 }
-exports.rgb_to_xterm = rgb_to_xterm;
-function color_from_r_g_b(red, green, blue) {
+export function color_from_r_g_b(red, green, blue) {
     let index = nearest_color(red, green, blue);
@@ -106,4 +98,3 @@ // some terminals have a bug where "color 0" is not actually black, so convert it to gray0 instead
 }
-exports.color_from_r_g_b = color_from_r_g_b;
-function nearest_color(red, green, blue) {
+export function nearest_color(red, green, blue) {
     const [cube_index, cube_distance] = nearest_color_cube(red, green, blue);
@@ -122,5 +113,4 @@ const [gray_index, gray_distance] = nearest_gray(red, green, blue);
 }
-exports.nearest_color = nearest_color;
 // returns [ index into color cube, distance ]
-function nearest_color_cube(red, green, blue) {
+export function nearest_color_cube(red, green, blue) {
     const redi = find_closest(red, COLOR_CUBE);
@@ -132,4 +122,3 @@ const greeni = find_closest(green, COLOR_CUBE);
 }
-exports.nearest_color_cube = nearest_color_cube;
-function nearest_gray(red, green, blue) {
+export function nearest_gray(red, green, blue) {
     const gray = (red + green + blue) / 3;
@@ -140,4 +129,3 @@ const i = find_closest(gray, GRAY_LINE);
 }
-exports.nearest_gray = nearest_gray;
-function nearest_ansi(red, green, blue) {
+export function nearest_ansi(red, green, blue) {
     const distances = ANSI_LINE.map(([r, g, b]) => color_distance(r, g, b, red, green, blue));
@@ -147,3 +135,2 @@ const i = find_closest(0, distances);
 }
-exports.nearest_ansi = nearest_ansi;
 function color_distance(red1, green1, blue1, red2, green2, blue2) {
@@ -150,0 +137,0 @@ // don't bother with sqrt, we just care about which is smaller.

lib/test/test_canvas.js

@@ -1,7 +0,5 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-const canvas_1 = require("../antsy/canvas");
-require("should");
-require("source-map-support/register");
-const xterm256_1 = require("../antsy/xterm256");
+import { Canvas } from "../antsy/canvas";
+import "should";
+import "source-map-support/register";
+import { rgb_to_xterm, xterm_to_rgb } from "../antsy/xterm256";
 const SET_BG_BLACK = "[[48;5;16m";
@@ -19,7 +17,7 @@ const RESET_COLOR = "[[37m" + SET_BG_BLACK;
     it("makes a blank grid", () => {
-        const c = new canvas_1.Canvas(3, 3);
+        const c = new Canvas(3, 3);
         escpaint(c).should.eql(`${RESET}`);
     });
     it("sets colors", () => {
-        const c = new canvas_1.Canvas(5, 3);
+        const c = new Canvas(5, 3);
         c.all().at(1, 0).color("green").write("wh").color(undefined, "00f").write("ut");
@@ -29,3 +27,3 @@ escpaint(c).should.eql(`${RESET} ${SET_FG_GREEN}wh${SET_BG_BLUE}ut[[H`);
     it("clears", () => {
-        const c = new canvas_1.Canvas(5, 3);
+        const c = new Canvas(5, 3);
         c.all().color("red", "blue").clear();
@@ -35,3 +33,3 @@ escpaint(c).should.eql(`${SET_FG_RED}${SET_BG_BLUE}${CLEAR}`);
     it("skips unchanged", () => {
-        const c = new canvas_1.Canvas(15, 3);
+        const c = new Canvas(15, 3);
         const r = c.all();
@@ -47,3 +45,3 @@ r.at(0, 0).write("hi");
     it("honors clipping", () => {
-        const c = new canvas_1.Canvas(15, 3);
+        const c = new Canvas(15, 3);
         const r = c.clip(5, 1, 10, 3);
@@ -54,3 +52,3 @@ r.at(0, 0).color("purple").write("midnight");
     it("clips around linefeeds", () => {
-        const c = new canvas_1.Canvas(15, 3);
+        const c = new Canvas(15, 3);
         const r = c.clip(0, 1, 15, 3);
@@ -62,3 +60,3 @@ r.at(0, 0).color("purple").write("one\ntwo\nthree");
         it("in the middle", () => {
-            const c = new canvas_1.Canvas(15, 3);
+            const c = new Canvas(15, 3);
             const r = c.all();
@@ -71,3 +69,3 @@ r.at(0, 0).write("random words!");
         it("at the start", () => {
-            const c = new canvas_1.Canvas(15, 3);
+            const c = new Canvas(15, 3);
             const r = c.all();
@@ -80,3 +78,3 @@ r.at(0, 0).write("random-words!");
         it("at the end", () => {
-            const c = new canvas_1.Canvas(15, 3);
+            const c = new Canvas(15, 3);
             const r = c.all();
@@ -89,3 +87,3 @@ r.at(0, 0).write("random words!");
         it("around the middle", () => {
-            const c = new canvas_1.Canvas(30, 3);
+            const c = new Canvas(30, 3);
             const r = c.all();
@@ -99,3 +97,3 @@ r.at(0, 0).write("012345678901234567890123456789");
         it("three times", () => {
-            const c = new canvas_1.Canvas(35, 3);
+            const c = new Canvas(35, 3);
             const r = c.all();
@@ -109,3 +107,3 @@ r.at(0, 0).write("01234567890123456789012345678901234");
         it("degenerate case", () => {
-            const c = new canvas_1.Canvas(105, 3);
+            const c = new Canvas(105, 3);
             const r = c.all();
@@ -131,3 +129,3 @@ r.at(0, 0);
     it("clears a region", () => {
-        const c = new canvas_1.Canvas(10, 10);
+        const c = new Canvas(10, 10);
         for (let y = 0; y < 10; y++)
@@ -141,5 +139,5 @@ c.all().at(0, y).write("##########");
         // make a background and a box, and draw them into the main canvas to simulate animation.
-        const c = new canvas_1.Canvas(10, 10);
-        const bg = new canvas_1.Canvas(10, 10);
-        const box = new canvas_1.Canvas(4, 4);
+        const c = new Canvas(10, 10);
+        const bg = new Canvas(10, 10);
+        const box = new Canvas(4, 4);
         bg.all().backgroundColor("navy").clear();
@@ -173,3 +171,3 @@ box.all().backgroundColor("maroon").clear().at(0, 0).color("white").write("+--+|  ||  |+--+");
     it("places the cursor", () => {
-        const c = new canvas_1.Canvas(10, 10);
+        const c = new Canvas(10, 10);
         c.all().at(0, 4).write(">").at(0, 3).write("Ready.").moveCursor(2, 4);
@@ -179,3 +177,3 @@ escpaint(c).should.eql(`${RESET}[[3BReady.[[5H>[[C`);
     it("clears to end of line in clip region", () => {
-        const c = new canvas_1.Canvas(10, 4);
+        const c = new Canvas(10, 4);
         for (let y = 0; y < 4; y++)
@@ -188,3 +186,3 @@ c.all().at(0, y).write(y.toString());
     it("resizes", () => {
-        const c = new canvas_1.Canvas(10, 10);
+        const c = new Canvas(10, 10);
         c.all().color("00f").at(5, 3).write("hello");
@@ -197,3 +195,3 @@ c.all().color("f00").at(0, 9).write("ok");
     it("redraws", () => {
-        const c = new canvas_1.Canvas(10, 10);
+        const c = new Canvas(10, 10);
         c.all().color("00f").at(5, 3).write("hello");
@@ -206,3 +204,3 @@ c.all().color("f00").at(0, 9).write("ok");
     it("transformAttr", () => {
-        const c = new canvas_1.Canvas(10, 10);
+        const c = new Canvas(10, 10);
         c.all().color("00f").at(5, 2).write("hello");
@@ -212,5 +210,5 @@ c.all().color("f00").at(2, 4).write("greet");
         escpaint(c).should.eql(`${RESET}[[3;6H${SET_FG_BLUE}hello[[5;3H${SET_FG_RED}greet[[3B${SET_FG_B_GREEN}ok[[H`);
-        c.transform((fg, _bg) => [xterm256_1.rgb_to_xterm((xterm256_1.xterm_to_rgb(fg) & 0xfefefe) >> 1)]);
+        c.transform((fg, _bg) => [rgb_to_xterm((xterm_to_rgb(fg) & 0xfefefe) >> 1)]);
         escpaint(c).should.eql(`[[3;6H[[34mhello[[5;3H[[31mgreet[[3B[[32mok[[H`);
-        c.transform((fg, _bg) => [xterm256_1.rgb_to_xterm((xterm256_1.xterm_to_rgb(fg) & 0xfefefe) >> 1)]);
+        c.transform((fg, _bg) => [rgb_to_xterm((xterm_to_rgb(fg) & 0xfefefe) >> 1)]);
         escpaint(c).should.eql(`[[3;6H[[38;5;17mhello[[5;3H[[38;5;52mgreet[[3B[[38;5;22mok[[H`);
@@ -220,3 +218,3 @@ });
         function stars() {
-            const c = new canvas_1.Canvas(7, 7);
+            const c = new Canvas(7, 7);
             const r = c.all();
@@ -276,3 +274,3 @@ r.at(0, 0).write("*******");
         it("on overflow", () => {
-            const c = new canvas_1.Canvas(5, 3);
+            const c = new Canvas(5, 3);
             c.all().at(0, 2).write("hi");
@@ -279,0 +277,0 @@ escpaint(c).should.eql(`${RESET}[[2Bhi[[H`);

lib/test/test_grid_layout.js

@@ -1,7 +0,5 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-const canvas_1 = require("../antsy/canvas");
-const grid_layout_1 = require("../antsy/grid_layout");
-require("should");
-require("source-map-support/register");
+import { Canvas } from "../antsy/canvas";
+import { GridLayout } from "../antsy/grid_layout";
+import "should";
+import "source-map-support/register";
 function dimensions(r) {
@@ -12,5 +10,5 @@ return [r.x1, r.y1, r.cols, r.rows];
     it("basic layout", () => {
-        const c = new canvas_1.Canvas(80, 24);
+        const c = new Canvas(80, 24);
         // left panel of 8 chars, bottom panel of 2
-        const grid = new grid_layout_1.GridLayout(c.all(), [grid_layout_1.GridLayout.fixed(8), grid_layout_1.GridLayout.stretch(1)], [grid_layout_1.GridLayout.stretch(1), grid_layout_1.GridLayout.fixed(2)]);
+        const grid = new GridLayout(c.all(), [GridLayout.fixed(8), GridLayout.stretch(1)], [GridLayout.stretch(1), GridLayout.fixed(2)]);
         grid.lefts.should.eql([0, 8, 80]);
@@ -33,5 +31,5 @@ grid.tops.should.eql([0, 22, 24]);
     it("multiple stretch zones", () => {
-        const c = new canvas_1.Canvas(80, 24);
+        const c = new Canvas(80, 24);
         // left panel of 8 chars, bottom panel of 2
-        const grid = new grid_layout_1.GridLayout(c.all(), [grid_layout_1.GridLayout.fixed(8), grid_layout_1.GridLayout.stretch(2), grid_layout_1.GridLayout.stretch(1)], [grid_layout_1.GridLayout.stretch(1), grid_layout_1.GridLayout.fixed(2)]);
+        const grid = new GridLayout(c.all(), [GridLayout.fixed(8), GridLayout.stretch(2), GridLayout.stretch(1)], [GridLayout.stretch(1), GridLayout.fixed(2)]);
         grid.lefts.should.eql([0, 8, 56, 80]);
@@ -72,4 +70,4 @@ grid.tops.should.eql([0, 22, 24]);
     it("stretch with minimum", () => {
-        const c = new canvas_1.Canvas(60, 24);
-        const grid = new grid_layout_1.GridLayout(c.all(), [grid_layout_1.GridLayout.stretchWithMinimum(1, 8), grid_layout_1.GridLayout.stretch(2)], [grid_layout_1.GridLayout.stretch(1), grid_layout_1.GridLayout.fixed(2)]);
+        const c = new Canvas(60, 24);
+        const grid = new GridLayout(c.all(), [GridLayout.stretchWithMinimum(1, 8), GridLayout.stretch(2)], [GridLayout.stretch(1), GridLayout.fixed(2)]);
         grid.lefts.should.eql([0, 20, 60]);
@@ -83,4 +81,4 @@ grid.tops.should.eql([0, 22, 24]);
         // 10-min sidebar on each side, 1/2 center column, 1/6 right column
-        const c = new canvas_1.Canvas(120, 24);
-        const grid = new grid_layout_1.GridLayout(c.all(), [grid_layout_1.GridLayout.stretchWithMinimum(1, 10), grid_layout_1.GridLayout.stretch(3), grid_layout_1.GridLayout.stretch(1), grid_layout_1.GridLayout.stretchWithMinimum(1, 10)], [grid_layout_1.GridLayout.stretch(1)]);
+        const c = new Canvas(120, 24);
+        const grid = new GridLayout(c.all(), [GridLayout.stretchWithMinimum(1, 10), GridLayout.stretch(3), GridLayout.stretch(1), GridLayout.stretchWithMinimum(1, 10)], [GridLayout.stretch(1)]);
         grid.lefts.should.eql([0, 20, 80, 100, 120]);
@@ -96,4 +94,4 @@ grid.tops.should.eql([0, 24]);
     it("adjust constraints", () => {
-        const c = new canvas_1.Canvas(60, 24);
-        const grid = new grid_layout_1.GridLayout(c.all(), [grid_layout_1.GridLayout.stretchWithMinimum(1, 8), grid_layout_1.GridLayout.stretch(2)], [grid_layout_1.GridLayout.stretch(1), grid_layout_1.GridLayout.fixed(2)]);
+        const c = new Canvas(60, 24);
+        const grid = new GridLayout(c.all(), [GridLayout.stretchWithMinimum(1, 8), GridLayout.stretch(2)], [GridLayout.stretch(1), GridLayout.fixed(2)]);
         grid.lefts.should.eql([0, 20, 60]);
@@ -105,3 +103,3 @@ grid.tops.should.eql([0, 22, 24]);
         dimensions(r2).should.eql([20, 0, 40, 22]);
-        grid.adjustCol(0, grid_layout_1.GridLayout.stretchWithMinimum(1, 30));
+        grid.adjustCol(0, GridLayout.stretchWithMinimum(1, 30));
         grid.lefts.should.eql([0, 30, 60]);
@@ -113,9 +111,9 @@ grid.tops.should.eql([0, 22, 24]);
     describe("grid with all fixed widths", () => {
-        const c = new canvas_1.Canvas(60, 24);
+        const c = new Canvas(60, 24);
         it("goldilocks", () => {
-            const grid = new grid_layout_1.GridLayout(c.all(), [grid_layout_1.GridLayout.stretch(1)], [6, 15, 3].map(n => grid_layout_1.GridLayout.fixed(n)));
+            const grid = new GridLayout(c.all(), [GridLayout.stretch(1)], [6, 15, 3].map(n => GridLayout.fixed(n)));
             grid.tops.should.eql([0, 6, 21, 24]);
         });
         it("too small", () => {
-            const grid = new grid_layout_1.GridLayout(c.all(), [grid_layout_1.GridLayout.stretch(1)], [10, 15, 3].map(n => grid_layout_1.GridLayout.fixed(n)));
+            const grid = new GridLayout(c.all(), [GridLayout.stretch(1)], [10, 15, 3].map(n => GridLayout.fixed(n)));
             // remainders should be zero-height
@@ -125,3 +123,3 @@ grid.tops.should.eql([0, 10, 24, 24]);
         it("too big", () => {
-            const grid = new grid_layout_1.GridLayout(c.all(), [grid_layout_1.GridLayout.stretch(1)], [5, 10, 3].map(n => grid_layout_1.GridLayout.fixed(n)));
+            const grid = new GridLayout(c.all(), [GridLayout.stretch(1)], [5, 10, 3].map(n => GridLayout.fixed(n)));
             // empty space at the end
@@ -132,20 +130,20 @@ grid.tops.should.eql([0, 5, 15, 18]);
     it("resizes a nested region correctly", () => {
-        const c = new canvas_1.Canvas(10, 10);
-        const grid1 = new grid_layout_1.GridLayout(c.all(), [5, 5].map(n => grid_layout_1.GridLayout.fixed(n)), [5, 5].map(n => grid_layout_1.GridLayout.fixed(n)));
-        const grid2 = new grid_layout_1.GridLayout(grid1.layoutAt(1, 1), [grid_layout_1.GridLayout.fixed(2), grid_layout_1.GridLayout.stretch(1)], [grid_layout_1.GridLayout.fixed(2), grid_layout_1.GridLayout.stretch(1)]);
+        const c = new Canvas(10, 10);
+        const grid1 = new GridLayout(c.all(), [5, 5].map(n => GridLayout.fixed(n)), [5, 5].map(n => GridLayout.fixed(n)));
+        const grid2 = new GridLayout(grid1.layoutAt(1, 1), [GridLayout.fixed(2), GridLayout.stretch(1)], [GridLayout.fixed(2), GridLayout.stretch(1)]);
         const r = grid2.layoutAt(1, 1);
         [r.x1, r.y1, r.x2, r.y2].should.eql([7, 7, 10, 10]);
         // inner region is moved
-        grid2.adjustCol(0, grid_layout_1.GridLayout.fixed(3));
+        grid2.adjustCol(0, GridLayout.fixed(3));
         [r.x1, r.y1, r.x2, r.y2].should.eql([8, 7, 10, 10]);
         // outer region is moved
-        grid1.adjustRow(0, grid_layout_1.GridLayout.fixed(4));
+        grid1.adjustRow(0, GridLayout.fixed(4));
         [r.x1, r.y1, r.x2, r.y2].should.eql([8, 6, 10, 9]);
         // outer region grows
-        grid1.adjustRow(1, grid_layout_1.GridLayout.stretch(1));
+        grid1.adjustRow(1, GridLayout.stretch(1));
         [r.x1, r.y1, r.x2, r.y2].should.eql([8, 6, 10, 10]);
     });
     it("stretch min-max", () => {
-        const c = new canvas_1.Canvas(80, 24);
-        const grid = new grid_layout_1.GridLayout(c.all(), [grid_layout_1.GridLayout.stretchWithMinMax(1, 10, 20), grid_layout_1.GridLayout.stretch(2), grid_layout_1.GridLayout.stretch(1)], [grid_layout_1.GridLayout.stretch(1)]);
+        const c = new Canvas(80, 24);
+        const grid = new GridLayout(c.all(), [GridLayout.stretchWithMinMax(1, 10, 20), GridLayout.stretch(2), GridLayout.stretch(1)], [GridLayout.stretch(1)]);
         grid.lefts.should.eql([0, 20, 60, 80]);
@@ -152,0 +150,0 @@ grid.tops.should.eql([0, 24]);

lib/test/test_keys.js

@@ -1,13 +0,4 @@
-"use strict";
-var __asyncValues = (this && this.__asyncValues) || function (o) {
-    if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
-    var m = o[Symbol.asyncIterator], i;
-    return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i);
-    function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }
-    function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
-};
-Object.defineProperty(exports, "__esModule", { value: true });
-const keys_1 = require("../antsy/keys");
-require("should");
-require("source-map-support/register");
+import { KeyParser } from "../antsy/keys";
+import "should";
+import "source-map-support/register";
 function bundle(keys) {
@@ -18,22 +9,10 @@ return keys.map(k => k.toString()).join(",");
 describe("KeyParser", () => {
-    let parser = new keys_1.KeyParser();
+    let parser = new KeyParser();
     let output = [];
     beforeEach(() => {
-        parser = new keys_1.KeyParser();
+        parser = new KeyParser();
         output = [];
         setTimeout(async () => {
-            var e_1, _a;
-            try {
-                for (var parser_1 = __asyncValues(parser), parser_1_1; parser_1_1 = await parser_1.next(), !parser_1_1.done;) {
-                    const key = parser_1_1.value;
-                    output.push(key);
-                }
-            }
-            catch (e_1_1) { e_1 = { error: e_1_1 }; }
-            finally {
-                try {
-                    if (parser_1_1 && !parser_1_1.done && (_a = parser_1.return)) await _a.call(parser_1);
-                }
-                finally { if (e_1) throw e_1.error; }
-            }
+            for await (const key of parser)
+                output.push(key);
         }, 0);
@@ -51,3 +30,3 @@ });
     it("pipe", async () => {
-        const p = new keys_1.KeyParser();
+        const p = new KeyParser();
         p.pipe(async (k) => { output.push(k); await delay(1); });
@@ -54,0 +33,0 @@ p.feed("hell");

package.json

 {
   "name": "antsy",
-  "version": "3.0.3",
+  "version": "4.0.0",
+  "type": "module",
   "description": "draw full-color (xterm-256) ansi graphics into a buffer",
@@ -21,12 +22,12 @@ "keywords": [
     "prepare": "npm run build",
-    "test": "npm run build && mocha -R spec --colors lib/test"
+    "test": "npm run build && mocha"
   },
   "devDependencies": {
-    "@types/mocha": "^5.2.5",
-    "@types/node": "^10.17.28",
-    "@types/source-map-support": "^0.5.3",
-    "mocha": "^10.1.0",
-    "should": "^13.2.3",
-    "source-map-support": "^0.5.9",
-    "typescript": "^3.9.7"
+    "@types/mocha": "^10.0.1",
+    "@types/node": "^18.16.5",
+    "@types/source-map-support": "^0.5.6",
+    "mocha": "^10.2.0",
+    "source-map-support": "^0.5.21",
+    "ts-node": "^10.9.1",
+    "typescript": "^5.0.4"
   },
@@ -33,0 +34,0 @@ "main": "./lib/antsy.js",

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