How stop d3 tooltip from going off page? - d3.js
I have a tooltip that appears when the user mouses over an element. The problem is that when the tooltip mouses over a word on the far right part of the screen, it can no longer be seen.
I tried the answer by #EPurpl3 here, but couldn't figure out how to replace the span element with the reference to d.TooltipInfo.
I also tried to add a line to the effect of <body onResize="window.location=window.location;"> as described here - but it had no effect.
Here is the code:
var doc = URL.createObjectURL(new Blob([`TooltipInfo Category Function1 Function2 Retention
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Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum Petting Services Getting special pats Snack 1
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum DEVELOPMENT Optimal time of day - walking Snack 6
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`]));
d3.tsv(doc)
.row(function(d) {
return {
TooltipInfo: d.TooltipInfo,
Category: d.Category,
Function1: d.Function1,
Function2: d.Function2
};
})
.get(function(error, data) {
// var allGroup = d3.map(data, function(d){return(d.Function1)}).keys()
// console.log(allGroup)
// console.log(allGroup.length);
var div = d3.select("body").append("div")
.attr("class", "tooltip")
.style("opacity", 0)
var height = 150,
width = 300;
var nest = d3.nest()
.key(function(d) {
return d.Function2;
})
.key(function(d) {
return d.Function1;
})
.key(function(d) {
return d.Category;
})
.entries(data);
var div = d3.select("body").append("div")
.attr("class", "tooltip")
.style("opacity", 0)
var height = 80,
width = 150;
var divs = d3.select(".container")
.selectAll(null)
.data(nest)
.enter()
.append("div")
.attr("class", "innerdiv");
divs.append("p")
.html(function(d) {
return d.key;
});
var divs2 = divs.selectAll(null)
.data(function(d) {
return d.values;
})
.enter()
.append('div')
.attr("class", "first")
divs2.append("text")
.attr('class', 'label1')
.attr('x', 0)
.attr('y', 0)
.style("font-size", "16px")
.style("font-weight", "bold")
.style("fill", "white")
.attr("width", 400)
.text(function(d) {
return d.key;
})
.attr('text-anchor', 'start')
var svgs2 = divs2.selectAll(null)
.data(function(d) {
return d.values;
})
.enter()
.append('svg')
.attr("class", "second")
.attr("width", function(d) {
return String(d.Category).length * 31
})
// .attr("width",200)
.attr("height", 20);
svgs2.append("text")
.attr('class', 'label2')
.attr('x', 10)
.attr('y', 17)
.style("font-size", "12px")
.text(function(d) {
return d.key;
})
.attr('text-anchor', 'start')
var rect = svgs2.selectAll("rect")
.data(data)
.enter().append("rect")
.attr("class", "bar")
.filter(function(d, i) {
const x = d3.select(this.parentNode).datum();
return x.key == d.Category ? 1 : 0;
})
.attr("height", "12")
.attr("width", function(d, i) {
return String(d.Category).length * 7.3
})
.attr("x", function(d, i) {
return (i * 20) + 10;
})
.attr("y", 8)
.attr("fill", "white")
.style("opacity", "0")
.style("cursor", "pointer")
.on("mouseover", function(d, i) {
div.transition()
.duration(200)
.style("opacity", .9);
div.html(`${d.TooltipInfo}`)
.style((function(d) {
return d3.event.pageX > (window.innerWidth) ? "left" : "right"
}), d3.event.pageX + "px")
.style((function(d) {
return d3.event.pageY > (window.innerHeight) ? "top" : "bottom"
}), d3.event.pageY + "px")})
.on("mouseout", function(d) {
div.transition()
.duration(500)
.style("opacity", 0);
});
});
div.tooltip {
position: absolute;
text-align: left;
width: 500px;
height: auto;
padding: 3px;
font: 17px sans-serif;
color: white;
border: 0px;
border-radius: 3px;
pointer-events: none;
background: black;
}
.tooltip {
display: inline-block;
text-indent: 0em;
}
h1 {
font-size: 30px;
font-family: "Consolas";
float: left;
margin: 0;
}
.container {
display: flex;
padding: 0px;
flex: 1 1 1;
flex-wrap: nowrap;
float: left;
}
.innerdiv {
text-align: left;
font-size: 21px;
font-family: "Consolas";
flex: 1 1 1;
}
.innerdiv+.innerdiv {
padding-left: 20px;
border-left: 2px solid lightgray;
}
.legend {
position: fixed;
font-family: "Century Gothic";
}
/* div {width: auto; height: auto; } */
.first>*:first-child {
width: 100%;
}
div.first {
display: flex;
padding: 0px;
flex: 0 0 100%;
flex-wrap: wrap;
flex-direction: row;
align-items: center;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.0.0/d3.min.js"></script>
<div class="container"></div>
Update: I can stop the tooltip from disappearing from the left or the right of the window with this:
.style("left", function() {return d3.event.pageX >(window.innerWidth*.75) ? d3.event.pageX - 520+"px": d3.event.pageX + "px"})
I'm now working on making sure that tooltip doesn't disappear out the top or the bottom of the window. I first figured out how to make the "bottom" style look right (requires subtracting mouse position from the total height - something about the way d3 draws a page from top to bottom):
.style("bottom", window.innerHeight - d3.event.pageY+20 +"px")
The problem now is that the tooltip disappears out of the top of the page. I thought I could set a conditional function that will select either "top" or "bottom" for the style attribute. But I don't think d3 allows a function to be set on the style - only on the value. To illustrate, the below line of code shows pretty much the same as the above line of code, but the addition of a function on the style messes up the tooltip position.
.style(function() {return "bottom"}, window.innerHeight - d3.event.pageY+20 +"px")
So: need to figure out some kind of function to call on the value, to stop the tooltip from going out the top of the page. The logic for this is not as straightforward as the horizontal positioning, because the width of the tooltip is fixed, but the height of the tooltip varies with the content. Unless a percentage might work?
Figured it out - needed getBoundingClientRect() to get the height of the tooltip. Once I have the height, and the height of the window, I can write a function that checks if the mouse is at a position less than window.innerHeight - clientrect.height.
Code:
var rect = svgs2.selectAll("rect")
.data(data)
.enter().append("rect")
.attr("class", "bar")
.filter(function(d, i) {
const x = d3.select(this.parentNode).datum();
return x.key == d.Category ? 1 : 0;
})
.attr("height", "12")
.attr("width", function(d, i) {
return String(d.Category).length * 7.3
})
.attr("x", function(d, i) {
return (i * 20) + 10;
})
.attr("y", 8)
.attr("fill", "white")
.style("opacity", "0")
.style("cursor", "pointer")
.on("mouseover", function(d, i) {
div.transition()
.duration(200)
.style("opacity", .9);
div.html(`${d.TooltipInfo}`)
.style("left", function() {
return d3.event.pageX > (window.innerWidth * .75) ? d3.event.pageX - 520 + "px" : d3.event.pageX + "px"
})
.style("bottom", function() {
var clientrect = d3.select(this).node().getBoundingClientRect();
return d3.event.pageY > (window.innerHeight - clientrect.height) ? window.innerHeight - d3.event.pageY + "px" : window.innerHeight - d3.event.pageY - clientrect.height + "px"
})
})
.on("mouseout", function(d) {
div.transition()
.duration(500)
.style("opacity", 0);
});
Related
How to ignore mock package when building go project?
As you know _test.go are ignored when go projects is build and mock package is only imported by _test.go files so if these files are not include in builded project why to simply include the mock package. So was wondering how to ignore the files inside it when building project. Tried adding suffix _test.go to the files in mock package but got but an error "MockStruct not declared by package mock" when used. Also tried to use build constraints //go:build ignore Got same error "MockStruct not declared by package mock" Am i missing something here? Is using build constraints the only way?
If your mock is being used only on test files it is not imported when building the project. Go compiler does not include tests and its dependencies when building.
Try this as an example:
Build the following code;
Check its binary size;
Remove the sample_test.go file;
Build again and check its binary size;
Size before and after tests should not be different, and it proves that nothing from test is included in the build.
sample.go
package main
import "fmt"
type SampleInterface interface {
DoSomething()
}
type Sample struct {
Name string
}
func main() {
s := Sample{}
CallDoSomething(&s)
}
func (s *Sample) DoSomething() {
fmt.Println("Do Something implementation ", s.Name)
}
func CallDoSomething(si SampleInterface) {
si.DoSomething()
}
sample_test.go
package main
import (
"fmt"
"testing"
)
type sample_mock struct {
Name string
}
func (s *sample_mock) DoSomething() {
fmt.Println("Do Something implementation", s.Name)
}
func TestCallDoSomething(t *testing.T) {
s := sample_mock{
Name: "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.",
}
CallDoSomething(&s)
}
Split pages vertically with wkhtmltopdf
Is it possible to split pages vertically using wkhtmltopdf? This would basically turn a single page into two pages. I've drawn a little image, maybe that makes it a bit clearer.
I had to face a similar issue in my project.
You have 2 ways to solve the problem:
One way is to solve it using CSS, however the version of webkit included in wkhtmltopdf (at least the stable version) seems to be a bit old and does not support CSS multi-columns directives very well, see here.
For future reference I copy&paste the example template included in the linked issue:
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="UTF-8">
<style type="text/css">
body {
margin: 0;
padding: 0;
border: none;
width: 17cm;
}
.container {
/* You *must* define a fixed height which is
large enough to fit the whole content,
otherwise the layout is unpredictable. */
height: 28em;
/* Width and count aren't respected, but you
have to give at least some dummy value (??). */
-webkit-columns: 0 0;
/* This is the strange way to define the number of columns:
50% = 2 columns, 33% = 3 columns 25% = 4 columns */
width: 33%;
/* Gap and rule do work. */
-webkit-column-gap: 2em;
-webkit-column-rule: 1px solid black;
text-align: justify;
}
</style>
</head>
<body>
<div class="container">
<h1>An Article</h1>
<p>
1. Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
</p>
<p>
2. Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
</p>
<p>
3. Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
</p>
<p>
4. Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
</p>
</div>
</body>
</html>
Another option (the one I ended up using) is to setup the layout of the page using a table with 2..n columns. You can then use a template engine or even JavaScript to fill the page with content and split the pages.
This approach is simple and works well if the content in the page has predictable size, in fact you cannot rely on wkhtmltopdf for splitting the content into several pages, you must do it yourself with the code.
Approach 1) is quite buggy but might be worth a shot if you're dealing with text, which might not be very suitable for approach 2).
If your content is regular it will be reasonably easy to hop on approach 2) and lay down the elements and split the pages using the code.
Split long strings without breaking word
I have to display multiple long strings (with different length), but I can only display chunks of strings that need them to be between 275 and 295 characters. So if I have a 3000 words string, It'd be displayed in about 10 pieces. I'm looking for a way to find the next blank. For example: if str[275] != " " # find next blank p str[0..next_blank] else p str[0..275] end I thought of finding the index of the next blank in the 275-295th characters range, but I couldn't find how to do it in Ruby. Any help will be much appreciated !
Rails has a method word_wrap which uses a simple regular expression:
str = 'Lorem ipsum dolor sit amet, consectetur adipisici elit, sed eiusmod tempor incidunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquid ex ea commodi consequat. Quis aute iure reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint obcaecat cupiditat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.'
puts str.gsub(/(.{1,80})(\s+|$)/, "\\1\n")
Output:
Lorem ipsum dolor sit amet, consectetur adipisici elit, sed eiusmod tempor
incidunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud
exercitation ullamco laboris nisi ut aliquid ex ea commodi consequat. Quis aute
iure reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla
pariatur. Excepteur sint obcaecat cupiditat non proident, sunt in culpa qui
officia deserunt mollit anim id est laborum.
The regular expression matches (and captures) up to 80 characters (.{1,80}) that are followed by whitespace or end-of-line (\s+|$).
Not using regular expresions, tear the input apart and put it back together: str = 'Lorem ipsum dolor sit amet, consectetur adipisici elit, sed eiusmod tempor incidunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquid ex ea commodi consequat. Quis aute iure reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint obcaecat cupiditat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.' def reformat_wrapped(s, width=78) lines = [] line = "" s.split(/\s+/).each do |word| if line.size + word.size >= width lines << line line = word elsif line.empty? line = word else line << " " << word end end lines << line if line return lines.join "\n" end #=>puts reformat_wrapped(str, 78) Lorem ipsum dolor sit amet, consectetur adipisici elit, sed eiusmod tempor incidunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquid ex ea commodi consequat. Quis aute iure reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint obcaecat cupiditat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
Escape encoding of liquid tags in Nokogiri
We are using Nokogiri gem and the html we get from the test editor is saved using Nokogiri Nokogiri::HTML::fragment(html_text).to_html converts into proper html tags and is getting saved to the database. But we are having some liquid tags which when rendered substitutes the value in the place where tags are added.
eg. html code snippet
<body>
<div>
<p>
Lorem ipsum dolor sit amet, consectetur adipisicing elit.Dolorem quam itaque, dolore esse labore dolorum inventore optio earum iure explicabo impedit eveniet perspiciatis nobis vero culpa aliquid, iusto saepe sunt.</p>
{{some_link}}
<div>
{{payment_link}}
</div>
</div>
</body>
once we convert it into the html tags using nokogiri it gets text in the url gets encoded(href="{{payment_link}}"). Is there a way to escape url encoding for the liquid tags?
This is how the html code when rendered and saved looks like in db
Output data
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod<br>\ntempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,<br>\nquis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo<br>\nconsequat. Duis aute irure dolor in reprehenderit in voluptate velit esse<br>\ncillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non<br>\nproident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>\n\n<p> </p>\n\n<p>{{payment_link}}</p>"
Expected data
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod<br>\ntempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,<br>\nquis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo<br>\nconsequat. Duis aute irure dolor in reprehenderit in voluptate velit esse<br>\ncillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non<br>\nproident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>\n\n<p> </p>\n\n<p>{{payment_link}}</p>
Ruby reduce all whitespace to single spaces
I'm not sure how do this, as I'm pretty new to regular expressions, and can't seem to find the proper method to accomplish this but say I have the following as a string (all tabs, and newlines included) 1/2 cup onion (chopped) How can I remove all the whitespace and replace each instance with just a single space?
This is a case where regular expressions work well, because you want to treat the whole class of whitespace characters the same and replace runs of any combination of whitespace with a single space character. So if that string is stored in s, then you would do: fixed_string = s.gsub(/\s+/, ' ')
Within Rails you can use String#squish, which is an active_support extensions. require 'active_support' s = <<-EOS 1/2 cup onion EOS s.squish # => 1/2 cup onion
You want the squeeze method:
str.squeeze([other_str]*) → new_str
Builds a set of characters from the other_str parameter(s) using the procedure described for String#count. Returns a new string where runs of the same character that occur in this set are replaced by a single character. If no arguments are given, all runs of identical characters are replaced by a single character.
"yellow moon".squeeze #=> "yelow mon"
" now is the".squeeze(" ") #=> " now is the"
"putters shoot balls".squeeze("m-z") #=> "puters shot balls"
The problem with the simplest solution gsub(/\s+/, ' ') is that it is very SLOW, as it replaces every space, even if it is single. But usually there is 1 space between words and we should fix only if there are 2 or more whitespaces in sequence.
Better solution is tr("\r\n\t", ' ').gsub(/ {2,}/, ' ') – first replace special whitespacing to ordinary spaces (tr works faster than gsub for replacing 1 char) and then squeeze spaces only if there are 2 or more consecutive spaces.
def method1(s) s.gsub!(/\s+/, ' '); s end
def method2(s) s.tr!("\r\n\t", ' '); s.gsub!(/ {2,}/, ' '); s end
Benchmark.bm do |x|
n = 100_000
x.report('method1') { n.times { method1("Lorem ipsum\n\n dolor \t\t\tsit amet, consectetur\n \n\t\n adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.") } }
x.report('method2') { n.times { method2("Lorem ipsum\n\n dolor \t\t\tsit amet, consectetur\n \n\t\n adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.") } }
end;1
# user system total real
# method1 2.907425 0.024254 2.931679 ( 3.406144)
# method2 0.644329 0.011254 0.655583 ( 0.658699)
The selected answer will not remove non-breaking space characters. This should work in 1.9: fixed_string = s.gsub(/(\s|\u00A0)+/, ' ')
If speed is a concern then your best bet is this.
.tr("\r\n\t", ' ').gsub(/ {2,}/, ' ')
This replaces whitespace characters with a space then replaces multiple spaces with a single space.
I saw the benchmark that Lev posted and compared variations of gsub .sqeeze .tr and .squish. I expanded his benchmark to try them out and while .squeeze is the fastest it does not answer the questions since it would only compress multiple tabs/new lines to a singe tab/new line.
# Replace multiple whitespace characters with a single space.
def method1(s) s.gsub!(/\s+/, ' '); s end # (in place)
def method2(s) s = s.gsub(/\s+/, ' '); s end
# Replace characters with a space then replace multiple spaces with a single space.
def method3(s) s.gsub!(/[\r\n\t]/, ' '); s.gsub!(/ {2,}/, ' '); s end # (in place)
def method4(s) s = s.gsub(/[\r\n\t]/, ' ').gsub(/ {2,}/, ' '); s end
# Replace characters with a space then replace multiple spaces with a single space.
def method5(s) s.tr!("\r\n\t", ' '); s.gsub!(/ {2,}/, ' '); s end # (in place)
def method6(s) s = s.tr("\r\n\t", ' ').gsub(/ {2,}/, ' '); s end
# Replace multiple whitespace characters with a single space.
def method7(s) s.squish!; s end # (in place)
def method8(s) s = s.squish; s end
# Combines multiple spaces into a single space
def method9(s) s.squeeze!(" "); s end # (in place)
def method10(s) s = s.squeeze(" "); s end
Benchmark.bm do |x|
n = 100_000
x.report('.gsub! ') { n.times { method1("Lorem ipsum\n\n dolor \t\t\tsit amet, consectetur\n \n\t\n adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.") } }
x.report('.gsub ') { n.times { method2("Lorem ipsum\n\n dolor \t\t\tsit amet, consectetur\n \n\t\n adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.") } }
x.report('.gsub!.gsub!') { n.times { method3("Lorem ipsum\n\n dolor \t\t\tsit amet, consectetur\n \n\t\n adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.") } }
x.report('.gsub .gsub ') { n.times { method4("Lorem ipsum\n\n dolor \t\t\tsit amet, consectetur\n \n\t\n adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.") } }
x.report('.tr!.gsub! ') { n.times { method5("Lorem ipsum\n\n dolor \t\t\tsit amet, consectetur\n \n\t\n adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.") } }
x.report('.tr .gsub ') { n.times { method6("Lorem ipsum\n\n dolor \t\t\tsit amet, consectetur\n \n\t\n adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.") } }
x.report('.squish ') { n.times { method7("Lorem ipsum\n\n dolor \t\t\tsit amet, consectetur\n \n\t\n adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.") } }
x.report('.squish! ') { n.times { method8("Lorem ipsum\n\n dolor \t\t\tsit amet, consectetur\n \n\t\n adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.") } }
x.report('.squeeze! ') { n.times { method9("Lorem ipsum\n\n dolor \t\t\tsit amet, consectetur\n \n\t\n adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.") } }
x.report('.squeeze ') { n.times { method10("Lorem ipsum\n\n dolor \t\t\tsit amet, consectetur\n \n\t\n adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.") } }
end
Which gets these results
=>
# user system total real
# .gsub! 2.019544 0.030325 2.049869 ( 2.059379)
# .gsub 1.968179 0.011204 1.979383 ( 1.988050)
# .gsub!.gsub! 0.770042 0.014097 0.784139 ( 0.787055)
# .gsub .gsub 0.728955 0.011577 0.740532 ( 0.742887)
# .tr!.gsub! 0.487014 0.008260 0.495274 ( 0.496820)
# .tr .gsub 0.487231 0.007769 0.495000 ( 0.497164)
# .squish! 2.005224 0.011673 2.016897 ( 2.025851)
# .squish 2.043497 0.013331 2.056828 ( 2.066794)
# .squeeze! 0.117615 0.002004 0.119619 ( 0.120140)
# .squeeze 0.196301 0.012094 0.208395 ( 0.209267)