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This commit is contained in:
Florian Mounier
2016-10-13 10:03:15 +02:00
parent 3bb6da1eae
commit fa2b9d2bee
7 changed files with 403 additions and 363 deletions
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68
butterfly/static/ext.js
View File

@@ -164,30 +164,22 @@
}
});
Terminal.on('change', function(lines) {
var j, len1, line, results;
results = [];
for (j = 0, len1 = lines.length; j < len1; j++) {
line = lines[j];
if (indexOf.call(line.classList, 'extended') >= 0) {
results.push(line.addEventListener('click', (function(line) {
return function() {
var after, before;
if (indexOf.call(line.classList, 'expanded') >= 0) {
return line.classList.remove('expanded');
} else {
before = line.getBoundingClientRect().height;
line.classList.add('expanded');
after = line.getBoundingClientRect().height;
return document.body.scrollTop += after - before;
}
};
})(line)));
} else {
results.push(void 0);
}
Terminal.on('change', function(line) {
if (indexOf.call(line.classList, 'extended') >= 0) {
return line.addEventListener('click', (function(line) {
return function() {
var after, before;
if (indexOf.call(line.classList, 'expanded') >= 0) {
return line.classList.remove('expanded');
} else {
before = line.getBoundingClientRect().height;
line.classList.add('expanded');
after = line.getBoundingClientRect().height;
return document.body.scrollTop += after - before;
}
};
})(line));
}
return results;
});
walk = function(node, callback) {
@@ -210,25 +202,19 @@
return text.replace(urlPattern, '<a href="$&">$&</a>').replace(pseudoUrlPattern, '$1<a href="http://$2">$2</a>').replace(emailAddressPattern, '<a href="mailto:$&">$&</a>');
};
Terminal.on('change', function(lines) {
var j, len1, line, results;
results = [];
for (j = 0, len1 = lines.length; j < len1; j++) {
line = lines[j];
results.push(walk(line, function() {
var linkified, newNode;
if (this.nodeType === 3) {
linkified = linkify(this.nodeValue);
if (linkified !== this.nodeValue) {
newNode = document.createElement('span');
newNode.innerHTML = linkified;
this.parentElement.replaceChild(newNode, this);
return true;
}
Terminal.on('change', function(line) {
return walk(line, function() {
var linkified, newNode;
if (this.nodeType === 3) {
linkified = linkify(this.nodeValue);
if (linkified !== this.nodeValue) {
newNode = document.createElement('span');
newNode.innerHTML = linkified;
this.parentElement.replaceChild(newNode, this);
return true;
}
}));
}
return results;
}
});
});
document.addEventListener('keydown', function(e) {

2
butterfly/static/ext.min.js vendored
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File diff suppressed because one or more lines are too long

368
butterfly/static/main.js
View File

@@ -1,6 +1,5 @@
(function() {
var $, State, Terminal, cancel, cols, openTs, quit, rows, s, uuid, ws,
slice = [].slice,
indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };
cols = rows = null;
@@ -192,7 +191,7 @@
this.rows = Math.floor(window.innerHeight / this.charSize.height);
px = window.innerHeight % this.charSize.height;
this.body.style['padding-bottom'] = px + "px";
this.scrollback = 1000000;
this.scrollback = 10000;
this.buffSize = 100000;
this.visualBell = 100;
this.convertEol = false;
@@ -226,11 +225,18 @@
};
})(this));
this.emit('load');
this.active = null;
Terminal.on('change', (function(_this) {
return function(line) {
if (line.classList.contains('active')) {
return _this.active = line;
}
};
})(this));
}
Terminal.prototype.emit = function() {
var args, fun, hook, k, len, ref, results;
hook = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
Terminal.prototype.emit = function(hook, obj) {
var fun, k, len, ref, results;
if (Terminal.hooks[hook] == null) {
Terminal.hooks[hook] = [];
}
@@ -238,7 +244,11 @@
results = [];
for (k = 0, len = ref.length; k < len; k++) {
fun = ref[k];
results.push(fun.apply(this, args));
results.push(setTimeout((function(f) {
return function() {
return f.call(this, obj);
};
})(fun), 10));
}
return results;
};
@@ -543,144 +553,162 @@
})(this));
};
Terminal.prototype.refresh = function(force) {
var active, attr, ch, classes, cls, cursor, data, fg, group, i, j, k, len, len1, len2, len3, len4, line, lines, m, modified, n, newOut, o, out, q, ref, ref1, ref2, ref3, ref4, ref5, skipnext, styles, u, x;
if (force == null) {
force = false;
Terminal.prototype._putChar = function(data, attr, i, x) {
var ch, classes, fg, out, skipnext, styles;
out = '';
ch = data.ch;
if (!this.equalAttr(data, attr)) {
if (!this.equalAttr(attr, this.defAttr)) {
out += "</span>";
}
if (!this.equalAttr(data, this.defAttr)) {
classes = [];
styles = [];
out += "<span ";
if (data.bold) {
classes.push("bold");
}
if (data.underline) {
classes.push("underline");
}
if (data.blink === 1) {
classes.push("blink");
}
if (data.blink === 2) {
classes.push("blink-fast");
}
if (data.inverse) {
classes.push("reverse-video");
}
if (data.invisible) {
classes.push("invisible");
}
if (data.italic) {
classes.push("italic");
}
if (data.faint) {
classes.push("faint");
}
if (data.crossed) {
classes.push("crossed");
}
if (typeof data.fg === 'number') {
fg = data.fg;
if (data.bold && fg < 8) {
fg += 8;
}
classes.push("fg-color-" + fg);
}
if (typeof data.fg === 'string') {
styles.push("color: " + data.fg);
}
if (typeof data.bg === 'number') {
classes.push("bg-color-" + data.bg);
}
if (typeof data.bg === 'string') {
styles.push("background-color: " + data.bg);
}
out += "class=\"";
out += classes.join(" ");
out += "\"";
if (styles.length) {
out += " style=\"" + styles.join("; ") + "\"";
}
out += ">";
}
}
ref = this.body.querySelectorAll(".cursor");
for (k = 0, len = ref.length; k < len; k++) {
cursor = ref[k];
cursor.parentNode.replaceChild(this.document.createTextNode(cursor.textContent), cursor);
if (i === x) {
out += "<span class=\"" + (this.cursorState ? "reverse-video " : "") + "cursor\">";
}
ref1 = this.body.querySelectorAll(".line.active");
for (m = 0, len1 = ref1.length; m < len1; m++) {
active = ref1[m];
active.classList.remove('active');
if (ch.length > 1) {
out += ch;
} else {
switch (ch) {
case "&":
out += "&amp;";
break;
case "<":
out += "&lt;";
break;
case ">":
out += "&gt;";
break;
default:
if (ch === " ") {
out += '<span class="nbsp">\u2007</span>';
} else if (ch <= " ") {
out += "&nbsp;";
} else if (!this.forceWidth || ch <= "~") {
out += ch;
} else if (("\uff00" < ch && ch < "\uffef")) {
skipnext = true;
out += "<span style=\"display: inline-block; width: " + (2 * this.charSize.width) + "px\">" + ch + "</span>";
} else {
out += "<span style=\"display: inline-block; width: " + this.charSize.width + "px\">" + ch + "</span>";
}
}
}
newOut = '';
modified = [];
ref2 = this.screen;
for (j = n = 0, len2 = ref2.length; n < len2; j = ++n) {
line = ref2[j];
if (i === x) {
out += "</span>";
}
return out;
};
Terminal.prototype._putLine = function(x, j, outs, line) {
var cls;
this.screen[j].dirty = false;
if (this.children[j]) {
this.children[j].innerHTML = outs.join('');
this.emit('change', this.children[j]);
if (x !== null) {
this.children[j].classList.add('active');
}
if (line.extra) {
this.children[j].classList.add('extended');
}
return null;
} else {
cls = ['line'];
if (x !== null) {
cls.push('active');
}
if (line.extra) {
cls.push('extended');
}
return "<div class=\"" + (cls.join(' ')) + "\">" + (outs.join('')) + "</div>";
}
};
Terminal.prototype._replotScreen = function(force) {
var attr, data, group, groups, i, j, k, len, line, m, out, outs, ref, ref1, skipnext, x;
groups = [];
ref = this.screen;
for (j = k = 0, len = ref.length; k < len; j = ++k) {
line = ref[j];
if (!(line.dirty || force)) {
continue;
}
out = "";
x = null;
if (j === this.y + this.shift && !this.cursorHidden) {
x = this.x;
} else {
x = -Infinity;
}
attr = this.cloneAttr(this.defAttr);
skipnext = false;
for (i = o = 0, ref3 = this.cols - 1; 0 <= ref3 ? o <= ref3 : o >= ref3; i = 0 <= ref3 ? ++o : --o) {
outs = [];
for (i = m = 0, ref1 = this.cols - 1; 0 <= ref1 ? m <= ref1 : m >= ref1; i = 0 <= ref1 ? ++m : --m) {
data = line.chars[i];
if (data.html) {
out += data.html;
outs.push(data.html);
break;
}
if (skipnext) {
skipnext = false;
continue;
}
ch = data.ch;
if (!this.equalAttr(data, attr)) {
if (!this.equalAttr(attr, this.defAttr)) {
out += "</span>";
}
if (!this.equalAttr(data, this.defAttr)) {
classes = [];
styles = [];
out += "<span ";
if (data.bold) {
classes.push("bold");
}
if (data.underline) {
classes.push("underline");
}
if (data.blink === 1) {
classes.push("blink");
}
if (data.blink === 2) {
classes.push("blink-fast");
}
if (data.inverse) {
classes.push("reverse-video");
}
if (data.invisible) {
classes.push("invisible");
}
if (data.italic) {
classes.push("italic");
}
if (data.faint) {
classes.push("faint");
}
if (data.crossed) {
classes.push("crossed");
}
if (typeof data.fg === 'number') {
fg = data.fg;
if (data.bold && fg < 8) {
fg += 8;
}
classes.push("fg-color-" + fg);
}
if (typeof data.fg === 'string') {
styles.push("color: " + data.fg);
}
if (typeof data.bg === 'number') {
classes.push("bg-color-" + data.bg);
}
if (typeof data.bg === 'string') {
styles.push("background-color: " + data.bg);
}
out += "class=\"";
out += classes.join(" ");
out += "\"";
if (styles.length) {
out += " style=\"" + styles.join("; ") + "\"";
}
out += ">";
}
}
if (i === x) {
out += "<span class=\"" + (this.cursorState ? "reverse-video " : "") + "cursor\">";
}
if (ch.length > 1) {
out += ch;
} else {
switch (ch) {
case "&":
out += "&amp;";
break;
case "<":
out += "&lt;";
break;
case ">":
out += "&gt;";
break;
default:
if (ch === " ") {
out += '<span class="nbsp">\u2007</span>';
} else if (ch <= " ") {
out += "&nbsp;";
} else if (!this.forceWidth || ch <= "~") {
out += ch;
} else if (("\uff00" < ch && ch < "\uffef")) {
skipnext = true;
out += "<span style=\"display: inline-block; width: " + (2 * this.charSize.width) + "px\">" + ch + "</span>";
} else {
out += "<span style=\"display: inline-block; width: " + this.charSize.width + "px\">" + ch + "</span>";
}
}
}
if (i === x) {
out += "</span>";
}
outs.push(this._putChar(data, attr, i, x));
attr = data;
}
out = '';
if (!this.equalAttr(attr, this.defAttr)) {
out += "</span>";
}
@@ -690,53 +718,59 @@
if (line.extra) {
out += '<span class="extra">' + line.extra + '</span>';
}
if (this.children[j]) {
this.children[j].innerHTML = out;
modified.push(this.children[j]);
if (x !== -Infinity) {
this.children[j].classList.add('active');
}
if (line.extra) {
this.children[j].classList.add('extended');
}
} else {
cls = ['line'];
if (x !== -Infinity) {
cls.push('active');
}
if (line.extra) {
cls.push('extended');
}
newOut += "<div class=\"" + (cls.join(' ')) + "\">" + out + "</div>";
outs.push(out);
group = this._putLine(x, j, outs, line);
if (group) {
groups.push(group);
}
this.screen[j].dirty = false;
}
if (newOut !== '') {
group = this.document.createElement('div');
group.className = 'group';
group.innerHTML = newOut;
modified.push(group);
this.body.appendChild(group);
this.screen = this.screen.slice(-this.rows);
this.shift = 0;
lines = document.querySelectorAll('.line');
if (lines.length > this.scrollback) {
ref4 = Array.prototype.slice.call(lines, 0, lines.length - this.scrollback);
for (q = 0, len3 = ref4.length; q < len3; q++) {
line = ref4[q];
line.remove();
}
ref5 = document.querySelectorAll('.group:empty');
for (u = 0, len4 = ref5.length; u < len4; u++) {
group = ref5[u];
group.remove();
}
lines = document.querySelectorAll('.line');
if (groups.length) {
return this._putGroup(groups);
}
};
Terminal.prototype._putGroup = function(groups) {
var group, i, k, len, m, node, nodes, ref;
group = this.document.createElement('div');
group.className = 'group';
group.innerHTML = groups.join('');
if (true || groups.length > 1) {
nodes = group.childNodes;
node = group;
} else {
nodes = [group.firstChild];
node = group.firstChild;
}
this.body.appendChild(node);
for (k = 0, len = nodes.length; k < len; k++) {
node = nodes[k];
if (this.children.length >= this.rows) {
this.children.pop();
}
this.children = Array.prototype.slice.call(lines, -this.rows);
this.emit('change', node);
this.children.push(node);
}
this.nativeScrollTo();
return this.emit('change', modified);
this.screen = this.screen.slice(-this.rows);
this.shift = 0;
if (this.body.childElementCount > this.scrollback) {
this.body.style.display = 'none';
for (i = m = 0, ref = this.body.childElementCount - this.scrollback; 0 <= ref ? m <= ref : m >= ref; i = 0 <= ref ? ++m : --m) {
this.body.firstChild.remove();
}
return this.body.style.display = 'block';
}
};
Terminal.prototype.refresh = function(force) {
var ref;
if (force == null) {
force = false;
}
if ((ref = this.active) != null) {
ref.classList.remove('active');
}
this._replotScreen(force);
return this.nativeScrollTo();
};
Terminal.prototype._cursorBlink = function() {
@@ -1747,6 +1781,7 @@
j = oldRows;
if (j < this.rows) {
el = this.body;
this.body.style.display = 'none';
while (j++ < this.rows) {
if (this.screen.length < this.rows) {
this.screen.push(this.blankLine());
@@ -1757,6 +1792,7 @@
el.appendChild(line);
this.children.push(line);
}
this.body.style.display = 'block';
}
} else if (j > this.rows) {
while (j-- > this.rows) {

6
butterfly/static/main.min.js vendored
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File diff suppressed because one or more lines are too long

21
coffees/ext/expand_extended.coffee
View File

@@ -1,11 +1,10 @@
Terminal.on 'change', (lines) ->
for line in lines
if 'extended' in line.classList
line.addEventListener 'click', do (line) -> ->
if 'expanded' in line.classList
line.classList.remove 'expanded'
else
before = line.getBoundingClientRect().height
line.classList.add 'expanded'
after = line.getBoundingClientRect().height
document.body.scrollTop += after - before
Terminal.on 'change', (line) ->
if 'extended' in line.classList
line.addEventListener 'click', do (line) -> ->
if 'expanded' in line.classList
line.classList.remove 'expanded'
else
before = line.getBoundingClientRect().height
line.classList.add 'expanded'
after = line.getBoundingClientRect().height
document.body.scrollTop += after - before

19
coffees/ext/linkify.coffee
View File

@@ -14,13 +14,12 @@ linkify = (text) ->
.replace(pseudoUrlPattern, '$1<a href="http://$2">$2</a>')
.replace(emailAddressPattern, '<a href="mailto:$&">$&</a>')
Terminal.on 'change', (lines) ->
for line in lines
walk line, ->
if @nodeType is 3
linkified = linkify @nodeValue
if linkified isnt @nodeValue
newNode = document.createElement('span')
newNode.innerHTML = linkified
@parentElement.replaceChild newNode, @
true
Terminal.on 'change', (line) ->
walk line, ->
if @nodeType is 3
linkified = linkify @nodeValue
if linkified isnt @nodeValue
newNode = document.createElement('span')
newNode.innerHTML = linkified
@parentElement.replaceChild newNode, @
true

282
coffees/term.coffee
View File

@@ -84,7 +84,7 @@ class Terminal
px = window.innerHeight % @charSize.height
@body.style['padding-bottom'] = "#{px}px"
@scrollback = 1000000
@scrollback = 10000
@buffSize = 100000
@visualBell = 100
@@ -114,12 +114,17 @@ class Terminal
@initmouse()
addEventListener 'load', => @resize()
@emit 'load'
@active = null
Terminal.on 'change', (line) =>
@active = line if line.classList.contains 'active'
emit: (hook, args...) ->
emit: (hook, obj) ->
unless Terminal.hooks[hook]?
Terminal.hooks[hook] = []
for fun in Terminal.hooks[hook]
fun.apply(@, args)
# fun.call(@, obj)
setTimeout ((f) -> ->
f.call(@, obj))(fun), 10
cloneAttr: (a, char=null) ->
bg: a.bg
@@ -415,157 +420,170 @@ class Terminal
sendButton ev
cancel ev
refresh: (force=false) ->
for cursor in @body.querySelectorAll(".cursor")
cursor.parentNode.replaceChild(
@document.createTextNode(cursor.textContent), cursor)
for active in @body.querySelectorAll(".line.active")
active.classList.remove('active')
_putChar: (data, attr, i, x) ->
out = ''
ch = data.ch
unless @equalAttr data, attr
out += "</span>" unless @equalAttr attr, @defAttr
unless @equalAttr data, @defAttr
classes = []
styles = []
out += "<span "
newOut = ''
modified = []
# bold
classes.push "bold" if data.bold
# underline
classes.push "underline" if data.underline
# blink
classes.push "blink" if data.blink is 1
classes.push "blink-fast" if data.blink is 2
# inverse
classes.push "reverse-video" if data.inverse
# invisible
classes.push "invisible" if data.invisible
# italic
classes.push "italic" if data.italic
# faint
classes.push "faint" if data.faint
# crossed
classes.push "crossed" if data.crossed
if typeof data.fg is 'number'
fg = data.fg
if data.bold and fg < 8
fg += 8
classes.push "fg-color-" + fg
if typeof data.fg is 'string'
styles.push "color: " + data.fg
if typeof data.bg is 'number'
classes.push "bg-color-" + data.bg
if typeof data.bg is 'string'
styles.push "background-color: " + data.bg
out += "class=\""
out += classes.join(" ")
out += "\""
if styles.length
out += " style=\"" + styles.join("; ") + "\""
out += ">"
out += "<span class=\"" + (
if @cursorState then "reverse-video " else ""
) + "cursor\">" if i is x
# This is a temporary dirty hack for raw html insertion
if ch.length > 1
out += ch
else
switch ch
when "&"
out += "&amp;"
when "<"
out += "&lt;"
when ">"
out += "&gt;"
else
if ch == " "
out += '<span class="nbsp">\u2007</span>'
else if ch <= " "
out += "&nbsp;"
else if not @forceWidth or ch <= "~" # Ascii chars
out += ch
else if "\uff00" < ch < "\uffef"
skipnext = true
out += "<span style=\"display: inline-block;
width: #{2 * @charSize.width}px\">#{ch}</span>"
else
out += "<span style=\"display: inline-block;
width: #{@charSize.width}px\">#{ch}</span>"
out += "</span>" if i is x
out
_putLine: (x, j, outs, line) ->
@screen[j].dirty = false
if @children[j]
@children[j].innerHTML = outs.join('')
@emit 'change', @children[j]
if x isnt null
@children[j].classList.add 'active'
if line.extra
@children[j].classList.add 'extended'
null
else
cls = ['line']
if x isnt null
cls.push 'active'
if line.extra
cls.push 'extended'
"<div class=\"#{cls.join(' ')}\">#{outs.join('')}</div>"
_replotScreen: (force) ->
groups = []
for line, j in @screen
continue unless line.dirty or force
out = ""
if j is @y + @shift and not @cursorHidden
x = @x
else
x = -Infinity
x = null
x = @x if j is @y + @shift and not @cursorHidden
attr = @cloneAttr @defAttr
skipnext = false
outs = []
for i in [0..@cols - 1]
data = line.chars[i]
if data.html
out += data.html
outs.push data.html
break
if skipnext
skipnext = false
continue
ch = data.ch
unless @equalAttr data, attr
out += "</span>" unless @equalAttr attr, @defAttr
unless @equalAttr data, @defAttr
classes = []
styles = []
out += "<span "
# bold
classes.push "bold" if data.bold
# underline
classes.push "underline" if data.underline
# blink
classes.push "blink" if data.blink is 1
classes.push "blink-fast" if data.blink is 2
# inverse
classes.push "reverse-video" if data.inverse
# invisible
classes.push "invisible" if data.invisible
# italic
classes.push "italic" if data.italic
# faint
classes.push "faint" if data.faint
# crossed
classes.push "crossed" if data.crossed
if typeof data.fg is 'number'
fg = data.fg
if data.bold and fg < 8
fg += 8
classes.push "fg-color-" + fg
if typeof data.fg is 'string'
styles.push "color: " + data.fg
if typeof data.bg is 'number'
classes.push "bg-color-" + data.bg
if typeof data.bg is 'string'
styles.push "background-color: " + data.bg
out += "class=\""
out += classes.join(" ")
out += "\""
if styles.length
out += " style=\"" + styles.join("; ") + "\""
out += ">"
out += "<span class=\"" + (
if @cursorState then "reverse-video " else ""
) + "cursor\">" if i is x
# This is a temporary dirty hack for raw html insertion
if ch.length > 1
out += ch
else
switch ch
when "&"
out += "&amp;"
when "<"
out += "&lt;"
when ">"
out += "&gt;"
else
if ch == " "
out += '<span class="nbsp">\u2007</span>'
else if ch <= " "
out += "&nbsp;"
else if not @forceWidth or ch <= "~" # Ascii chars
out += ch
else if "\uff00" < ch < "\uffef"
skipnext = true
out += "<span style=\"display: inline-block;
width: #{2 * @charSize.width}px\">#{ch}</span>"
else
out += "<span style=\"display: inline-block;
width: #{@charSize.width}px\">#{ch}</span>"
out += "</span>" if i is x
outs.push @_putChar data, attr, i, x
attr = data
out = ''
out += "</span>" unless @equalAttr attr, @defAttr
out += '\u23CE' if line.wrap
if line.extra
out += '<span class="extra">' + line.extra + '</span>'
if @children[j]
@children[j].innerHTML = out
modified.push @children[j]
if x isnt -Infinity
@children[j].classList.add 'active'
if line.extra
@children[j].classList.add 'extended'
else
cls = ['line']
if x isnt -Infinity
cls.push 'active'
if line.extra
cls.push 'extended'
newOut += "<div class=\"#{cls.join(' ')}\">#{out}</div>"
@screen[j].dirty = false
outs.push out
if newOut isnt ''
group = @document.createElement('div')
group.className = 'group'
group.innerHTML = newOut
modified.push group
@body.appendChild group
@screen = @screen.slice(-@rows)
@shift = 0
group = @_putLine x, j, outs, line
groups.push group if group
@_putGroup groups if groups.length
lines = document.querySelectorAll('.line')
if lines.length > @scrollback
for line in Array.prototype.slice.call(
lines, 0, lines.length - @scrollback)
line.remove()
for group in document.querySelectorAll('.group:empty')
group.remove()
lines = document.querySelectorAll('.line')
@children = Array.prototype.slice.call(
lines, -@rows)
_putGroup: (groups) ->
group = @document.createElement('div')
group.className = 'group'
group.innerHTML = groups.join('')
if true or groups.length > 1
nodes = group.childNodes
node = group
else
nodes = [group.firstChild]
node = group.firstChild
@body.appendChild node
for node in nodes
if @children.length >= @rows
@children.pop()
@emit 'change', node
@children.push node
@screen = @screen.slice(-@rows)
@shift = 0
if @body.childElementCount > @scrollback
@body.style.display = 'none'
for i in [0..@body.childElementCount - @scrollback]
@body.firstChild.remove()
@body.style.display = 'block'
refresh: (force=false) ->
@active?.classList.remove('active')
@_replotScreen(force)
@nativeScrollTo()
@emit 'change', modified
_cursorBlink: ->
@cursorState ^= 1
@@ -1607,6 +1625,7 @@ class Terminal
j = oldRows
if j < @rows
el = @body
@body.style.display = 'none'
while j++ < @rows
@screen.push @blankLine() if @screen.length < @rows
if @children.length < @rows
@@ -1614,6 +1633,7 @@ class Terminal
line.className = 'line'
el.appendChild line
@children.push line
@body.style.display = 'block'
else if j > @rows
while j-- > @rows
@screen.pop() if @screen.length > @rows