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A FEW LINES OF HTML...
@Stubbornella 14 minutes ago
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WE NEED AN ALT
ATTRIBUTE
Media block content
Our render function will make
this into an alt attribute on the
![]()
tag
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What works? What doesn’t work?
PROS/CONS
❖ abstraction of passing in
JSON means all the code
isn't in the same place
❖ weird to have JSON in the
middle of what looks like
markup
❖ still reinventing html
attributes of an ![]()
tag
❖ cleaner separation of
concerns (media takes care
of media stuff, rather than
the properties of its
children)
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PARSING CHILDREN
better, everything is normal html! But, it has a few drawbacks
My media content
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REACT BUILT-IN ![]()
COMPONENT
In react, everything is a component.
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FIRST, WE MAKE OUR
IMAGES
var leftImage = 
;
!
var rightImage = ;
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WHAT *ELSE* DOESN’T
WORK?
❖ href will be passed through. So our image will have an href
attribute. I like clean html, and that feels weird to me!
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WE CONSIDERED GOING
BACK TO PROPERTIES…
but decided we should make our own ![]()
wrapper
to property or not to property?
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GOAL: OUTPUTS A SIMPLE
![]()
TAG
but won't pass through attributes
that don't make sense like href
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STEP 3: GET ITS PROPERTIES
and render an image
var Image = React.createClass({
render() {
var {href, src, children, className, ...other} = this.props;
!
var image = 
;
!
return href ? {image} : image;
}
});
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STEP 3: GET ITS PROPERTIES
and render an image
var Image = React.createClass({
render() {
var {href, src, children, className, ...other} = this.props;
!
var image = ;
!
return href ? {image} : image;
}
});
get the properties we need
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STEP 3: GET ITS PROPERTIES
and render an image
var Image = React.createClass({
render() {
var {href, src, children, className, ...other} = this.props;
!
var image = ;
!
return href ? {image} : image;
}
});
get the properties we need
build the image from our properties
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STEP 3: GET ITS PROPERTIES
and render an image
var Image = React.createClass({
render() {
var {href, src, children, className, ...other} = this.props;
!
var image = ;
!
return href ? {image} : image;
}
});
get the properties we need
build the image from our properties
if we have a link, wrap the image in an tag
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STEP 4: MAKE IT
RESPONSIVE
by handling the responsive boolean
var Image = React.createClass({
render() {
var {responsive, href, src, children, className, ...other} = this.props;
!
var image = ;
return href ? {image} : image;
}
});
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STEP 4: MAKE IT
RESPONSIVE
by handling the responsive boolean
var Image = React.createClass({
render() {
var {responsive, href, src, children, className, ...other} = this.props;
!
var image = ;
return href ? {image} : image;
}
});
get the responsive property
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STEP 4: MAKE IT
RESPONSIVE
and setting the img-responsive class if the boolean is true
var Image = React.createClass({
render() {
var {responsive, href, src, children, className, ...other} = this.props;
!
var classes = classnames({'img-responsive': responsive}, className);
!
!
!
!
!
!
!
var image = {children};
return href ? {image} : image;
}
});
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STEP 4: MAKE IT
RESPONSIVE
and setting the img-responsive class if the boolean is true
var Image = React.createClass({
render() {
var {responsive, href, src, children, className, ...other} = this.props;
!
var classes = classnames({'img-responsive': responsive}, className);
!
!
!
!
!
!
!
var image = {children};
return href ? {image} : image;
}
});
add this class
if this evaluates
to true
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STEP 4: MAKE IT
RESPONSIVE
and setting the img-responsive class if the boolean is true
var Image = React.createClass({
render() {
var {responsive, href, src, children, className, ...other} = this.props;
!
var classes = classnames({'img-responsive': responsive}, className);
!
!
!
!
!
!
!
var image = {children};
return href ? {image} : image;
}
});
add this class
if this evaluates
to true
then, put the class
on the image
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STEP 5: VALIDATE
PROPERTIES
var Image = React.createClass({
propTypes: {
responsive: types.bool,
href: types.string,
src: types.string.isRequired
},
!
render() {
var {responsive, href, src, children, className, ...other} = this.props;
var classes = classnames({'img-responsive': responsive}, className);
!
var image = {children};
return href ? {image} : image;
}
});
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STEP 5: VALIDATE
PROPERTIES
var Image = React.createClass({
propTypes: {
responsive: types.bool,
href: types.string,
src: types.string.isRequired
},
!
render() {
var {responsive, href, src, children, className, ...other} = this.props;
var classes = classnames({'img-responsive': responsive}, className);
!
var image = {children};
return href ? {image} : image;
}
});
responsive has to
be true or false
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STEP 5: VALIDATE
PROPERTIES
var Image = React.createClass({
propTypes: {
responsive: types.bool,
href: types.string,
src: types.string.isRequired
},
!
render() {
var {responsive, href, src, children, className, ...other} = this.props;
var classes = classnames({'img-responsive': responsive}, className);
!
var image = {children};
return href ? {image} : image;
}
});
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STEP 5: VALIDATE
PROPERTIES
var Image = React.createClass({
propTypes: {
responsive: types.bool,
href: types.string,
src: types.string.isRequired
},
!
render() {
var {responsive, href, src, children, className, ...other} = this.props;
var classes = classnames({'img-responsive': responsive}, className);
!
var image = {children};
return href ? {image} : image;
}
});
the href is a string
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STEP 5: VALIDATE
PROPERTIES
var Image = React.createClass({
propTypes: {
responsive: types.bool,
href: types.string,
src: types.string.isRequired
},
!
render() {
var {responsive, href, src, children, className, ...other} = this.props;
var classes = classnames({'img-responsive': responsive}, className);
!
var image = {children};
return href ? {image} : image;
}
});
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STEP 5: VALIDATE
PROPERTIES
var Image = React.createClass({
propTypes: {
responsive: types.bool,
href: types.string,
src: types.string.isRequired
},
!
render() {
var {responsive, href, src, children, className, ...other} = this.props;
var classes = classnames({'img-responsive': responsive}, className);
!
var image = {children};
return href ? {image} : image;
}
});
src is a string and
required
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STEP 5: VALIDATE
PROPERTIES
var Image = React.createClass({
propTypes: {
responsive: types.bool,
href: types.string,
src: types.string.isRequired
},
!
render() {
var {responsive, href, src, children, className, ...other} = this.props;
var classes = classnames({'img-responsive': responsive}, className);
!
var image = {children};
return href ? {image} : image;
}
});
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STEP 5: VALIDATE
PROPERTIES
var Image = React.createClass({
propTypes: {
responsive: types.bool,
href: types.string,
src: types.string.isRequired
},
!
render() {
var {responsive, href, src, children, className, ...other} = this.props;
var classes = classnames({'img-responsive': responsive}, className);
!
var image = {children};
return href ? {image} : image;
}
});