How to use do - 10 common examples
To help you get started, we’ve selected a few do examples, based on popular ways it is used in public projects.
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zz85 / timeliner / src / ui_number.js View on Github 
cursor: 'ns-resize',
width: '40px',
margin: 0,
marginRight: '10px',
appearance: 'none',
outline: 'none',
border: 0,
background: 'none',
borderBottom: '1px dotted '+ Theme.c,
color: Theme.c
});
var me = this;
var state, value = 0, unchanged_value;
this.onChange = new Do();
span.addEventListener('change', function(e) {
console.log('input changed', span.value);
value = parseFloat(span.value, 10);
fireChange();
});
handleDrag(span, onDown, onMove, onUp);
function onUp(e) {
if (e.moved) fireChange();
else {
// single click
span.focus();
}cursor: 'ns-resize',
width: '40px',
margin: 0,
marginRight: '10px',
appearance: 'none',
outline: 'none',
border: 0,
background: 'none',
borderBottom: '1px dotted ' + Theme.c,
color: Theme.c
});
var me = this;
var state, value = 0, unchanged_value;
this.onChange = new Do();
span.addEventListener('change', function (e) {
console.log('input changed', span.value);
value = parseFloat(span.value, 10);
fireChange();
});
// Allow keydown presses in inputs, don't allow parent to block them
span.addEventListener('keydown', function (e) {
e.stopPropagation();
})
span.addEventListener('focus', function (e) {
span.setSelectionRange(0, span.value.length);
})function errorHandler(error) {
throw error;
}
var Do = require('do');
// Convert `readFile` from fs to use continuable style.
var fs = Do.convert(require('fs'), ['readFile']);
function safeRead(filename) { return function (callback, errback) {
fs.readFile(filename)(callback, function (error) {
if (error.errno === process.ENOENT) {
callback("");
} else {
errback(error);
}
})
}}
safeRead(__filename)(console.log, errorHandler);scrolltrackHeight = h - 2;
scrolltrack.style.height = scrolltrackHeight + 'px' ;
};
// Moves scrollbar to position by Percentage
this.setPosition = function(p) {
p = Math.max(Math.min(1, p), 0);
var emptyTrack = scrolltrackHeight - bar_length;
bar_y = p * emptyTrack;
scrollbar.style.top = bar_y + 'px';
};
this.setLength(1);
this.setPosition(0);
this.onScroll = new SimpleEvent();
var mouse_down_grip;
function onDown(event) {
event.preventDefault();
if (event.target == scrollbar) {
mouse_down_grip = event.clientY;
document.addEventListener('mousemove', onMove, false);
document.addEventListener('mouseup', onUp, false);
} else {
if (event.clientY < bar_y) {
me.onScroll.fire('pageup');
} else if (event.clientY > (bar_y + bar_length)) {
me.onScroll.fire('pagedown');
}scrolltrackHeight = h - 2;
scrolltrack.style.height = scrolltrackHeight + 'px';
};
// Moves scrollbar to position by Percentage
this.setPosition = function (p) {
p = Math.max(Math.min(1, p), 0);
var emptyTrack = scrolltrackHeight - bar_length;
bar_y = p * emptyTrack;
scrollbar.style.top = bar_y + 'px';
};
this.setLength(1);
this.setPosition(0);
this.onScroll = new SimpleEvent();
var mouse_down_grip;
function onDown(event) {
event.preventDefault();
if (event.target == scrollbar) {
mouse_down_grip = event.clientY;
document.addEventListener('mousemove', onMove, false);
document.addEventListener('mouseup', onUp, false);
} else {
if (event.clientY < bar_y) {
me.onScroll.fire('pageup');
} else if (event.clientY > (bar_y + bar_length)) {
me.onScroll.fire('pagedown');
}scrolltrackHeight = h - 2;
scrolltrack.style.height = scrolltrackHeight + 'px' ;
};
// Moves scrollbar to position by Percentage
this.setPosition = function(p) {
p = Math.max(Math.min(1, p), 0);
var emptyTrack = scrolltrackHeight - bar_length;
bar_y = p * emptyTrack;
scrollbar.style.top = bar_y + 'px';
};
this.setLength(1);
this.setPosition(0);
this.onScroll = new SimpleEvent();
var mouse_down_grip;
function onDown(event) {
event.preventDefault();
if (event.target == scrollbar) {
mouse_down_grip = event.clientY;
document.addEventListener('mousemove', onMove, false);
document.addEventListener('mouseup', onUp, false);
} else {
if (event.clientY < bar_y) {
me.onScroll.fire('pageup');
} else if (event.clientY > (bar_y + bar_length)) {
me.onScroll.fire('pagedown');
}// Load some libraries
require.paths.unshift(__dirname + "/vendor");
var Haml = require('haml'),
Markdown = require('markdown'),
md5 = require('md5').md5,
Do = require('do'),
fs = Do.convert(require('fs'), ['readdir', 'stat', 'readFile', 'writeFile']),
sys = Do.convert(require('sys'), ['exec']);
var ARTICLE_DIR = __dirname + '/data/articles',
AUTHOR_DIR = __dirname + '/data/authors',
SKIN_DIR = __dirname + '/data/skin',
PUBLIC_DIR = __dirname + '/public';
var Filters = {
// Extends markdown by allowing properties at the top.
markdown: function (markdown) {
var match;
var props = {};
while(match = markdown.match(/^([a-z]+):\s*(.*)\s*\n/i)) {
var name = match[1].toLowerCase(),
value = match[2];// Load some libraries
require.paths.unshift(__dirname + "/vendor");
var Haml = require('haml'),
Markdown = require('markdown'),
md5 = require('md5').md5,
Do = require('do'),
fs = Do.convert(require('fs'), ['readdir', 'stat', 'readFile', 'writeFile']),
sys = Do.convert(require('sys'), ['exec']);
var ARTICLE_DIR = __dirname + '/data/articles',
AUTHOR_DIR = __dirname + '/data/authors',
SKIN_DIR = __dirname + '/data/skin',
PUBLIC_DIR = __dirname + '/public';
var Filters = {
// Extends markdown by allowing properties at the top.
markdown: function (markdown) {
var match;
var props = {};
while(match = markdown.match(/^([a-z]+):\s*(.*)\s*\n/i)) {
var name = match[1].toLowerCase(),
value = match[2];
markdown = markdown.substr(match[0].length);function errorHandler(error) {
throw error;
}
var Do = require('do');
var fs = Do.convert(require('fs'), ['readdir', 'stat', 'readFile']);
// Checks the `stat` of a file path and outputs the file contents if it's
// a real file
function loadFile(path, callback, errback) {
fs.stat(path)(function (stat) {
// Output undefined when the path isn't a regular file
if (!stat.isFile()) {
callback();
return;
}
// Pass through the read to regular files as is.
fs.readFile(path, 'utf8')(callback, errback)
}, errback);block = checkevalblock(block);
while (tf()) {
self.execute(block);
}
};
self.routines["while"].noeval = true;
self.routines["do.until"] = function(block, tf) {
block = checkevalblock(block);
do {
self.execute(block);
} while (!tf());
};
self.routines["do.until"].noeval = true;
self.routines["until"] = function(tf, block) {
block = checkevalblock(block);
while (!tf()) {
self.execute(block);
}
};
self.routines["until"].noeval = true;
// Not Supported: case
// Not Supported: cond
//
// 8.2 Template-based Iteration
