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Diffstat (limited to 'node_modules/ansi-escapes/index.js')
-rw-r--r--node_modules/ansi-escapes/index.js98
1 files changed, 98 insertions, 0 deletions
diff --git a/node_modules/ansi-escapes/index.js b/node_modules/ansi-escapes/index.js
new file mode 100644
index 000000000..ebd413b01
--- /dev/null
+++ b/node_modules/ansi-escapes/index.js
@@ -0,0 +1,98 @@
+'use strict';
+const x = module.exports;
+const ESC = '\u001B[';
+const isTerminalApp = process.env.TERM_PROGRAM === 'Apple_Terminal';
+
+x.cursorTo = function (x, y) {
+ if (arguments.length === 0) {
+ return ESC + 'H';
+ }
+
+ if (arguments.length === 1) {
+ return ESC + (x + 1) + 'G';
+ }
+
+ return ESC + (y + 1) + ';' + (x + 1) + 'H';
+};
+
+x.cursorMove = (x, y) => {
+ let ret = '';
+
+ if (x < 0) {
+ ret += ESC + (-x) + 'D';
+ } else if (x > 0) {
+ ret += ESC + x + 'C';
+ }
+
+ if (y < 0) {
+ ret += ESC + (-y) + 'A';
+ } else if (y > 0) {
+ ret += ESC + y + 'B';
+ }
+
+ return ret;
+};
+
+x.cursorUp = count => ESC + (typeof count === 'number' ? count : 1) + 'A';
+x.cursorDown = count => ESC + (typeof count === 'number' ? count : 1) + 'B';
+x.cursorForward = count => ESC + (typeof count === 'number' ? count : 1) + 'C';
+x.cursorBackward = count => ESC + (typeof count === 'number' ? count : 1) + 'D';
+
+x.cursorLeft = ESC + 'G';
+x.cursorSavePosition = ESC + (isTerminalApp ? '7' : 's');
+x.cursorRestorePosition = ESC + (isTerminalApp ? '8' : 'u');
+x.cursorGetPosition = ESC + '6n';
+x.cursorNextLine = ESC + 'E';
+x.cursorPrevLine = ESC + 'F';
+x.cursorHide = ESC + '?25l';
+x.cursorShow = ESC + '?25h';
+
+x.eraseLines = count => {
+ let clear = '';
+
+ for (let i = 0; i < count; i++) {
+ clear += x.eraseLine + (i < count - 1 ? x.cursorUp() : '');
+ }
+
+ if (count) {
+ clear += x.cursorLeft;
+ }
+
+ return clear;
+};
+
+x.eraseEndLine = ESC + 'K';
+x.eraseStartLine = ESC + '1K';
+x.eraseLine = ESC + '2K';
+x.eraseDown = ESC + 'J';
+x.eraseUp = ESC + '1J';
+x.eraseScreen = ESC + '2J';
+x.scrollUp = ESC + 'S';
+x.scrollDown = ESC + 'T';
+
+x.clearScreen = '\u001Bc';
+x.beep = '\u0007';
+
+x.image = (buf, opts) => {
+ opts = opts || {};
+
+ let ret = '\u001B]1337;File=inline=1';
+
+ if (opts.width) {
+ ret += `;width=${opts.width}`;
+ }
+
+ if (opts.height) {
+ ret += `;height=${opts.height}`;
+ }
+
+ if (opts.preserveAspectRatio === false) {
+ ret += ';preserveAspectRatio=0';
+ }
+
+ return ret + ':' + buf.toString('base64') + '\u0007';
+};
+
+x.iTerm = {};
+
+x.iTerm.setCwd = cwd => '\u001B]50;CurrentDir=' + (cwd || process.cwd()) + '\u0007';