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ejs-loader
Advanced tools
EJS (Underscore/LoDash Templates) loader for webpack. Uses lodash template function to compile templates.
If you are looking for the loader which uses EJS templating engine, there is ejs-compiled-loader
npm install ejs-loader
var template = require("ejs!./file.ejs");
// => returns the template function compiled with undesrcore (lodash) templating engine.
// And then use it somewhere in your code
template(data) // Pass object with data
You also should provide a global _
variable with the lodash/underscore runtime. You can do it with the following webpack plugin: https://github.com/webpack/docs/wiki/list-of-plugins#provideplugin
plugins: [
new webpack.ProvidePlugin({
_: "underscore"
})
]
Underscore/Lodash options can be passed in using the querystring or adding an esjLoader
options block to your configuration.
Config example with Webpack 4+
module.exports = {
module: {
rules: [
{
test: /\.ejs$/,
loader: 'ejs-loader',
options: {
variable: 'data',
interpolate : '\\{\\{(.+?)\\}\\}',
evaluate : '\\[\\[(.+?)\\]\\]'
}
}
]
}
};
Config example using a querystring (deprecated):
module.exports = {
module: {
loaders: [
{ test: /\.ejs$/, loader: 'ejs-loader?variable=data' },
]
}
};
is equivalent to
var template = _.template('<%= template %>', { variable : 'data' });
module.exports = {
module: {
loaders: [
{
test: /\.ejs$/,
loader: 'ejs-loader',
query: {
variable: 'data',
interpolate : '\\{\\{(.+?)\\}\\}',
evaluate : '\\[\\[(.+?)\\]\\]'
}
},
]
}
};
is equivalent to
var template = _.template('<%= template %>', { variable: 'data', interpolate : '\\{\\{(.+?)\\}\\}', evaluate : '\\[\\[(.+?)\\]\\]' });
Config example using the ejsLoader
config block (deprecated):
module.exports = {
module: {
loaders: [
{ test: /\.ejs$/, loader: 'ejs-loader' }
]
},
ejsLoader : {
variable : 'data',
interpolate : /\{\{(.+?)\}\}/g,
evaluate : /\[\[(.+?)\]\]/g
}
};
By default, ejs-loader
generates JS modules that use the ES modules syntax. There are some cases in which using ES modules is beneficial, like in the case of module concatenation and tree shaking.
You can enable a CommonJS module syntax using:
Config example with Webpack 4+
module.exports = {
module: {
rules: [
{
test: /\.ejs$/,
loader: 'ejs-loader',
options: {
esModule: false
}
}
]
}
};
The variable option is required
to compile EJS templates into ES compatible modules. If the variable
option is not provided as a loader or query
option, an Error
will be thrown. Please see https://github.com/lodash/lodash/issues/3709#issuecomment-375898111 for additional details.
Lodash template function does not provide include
method of ejs module. To include other templates, passing template functions as parameters does the job. For example:
index.js:
var mainTemplate = require('ejs!./main.ejs');
var hyperlinkTemplate = require('ejs!./hyperlink.ejs');
var renderedHtml = mainTemplate({ hyperlink: hyperlinkTemplate });
main.ejs:
<h1><%= hyperlink({ name: 'Example', url: 'http://example.com' }) %></h1>
hyperlink.ejs:
<a href="<%= url %>"><%= name %></a>
As a result, renderedHtml
becomes a string <h1><a href="http://example.com">Example</a></h1>
.
exportAsESM
flag to esModule
and enabled this behavior by default to be consistent with other webpack loaders.exportAsESM
flagejsLoader
or via loader's query
FAQs
EJS (Underscore/LoDash Templates) loader for webpack
The npm package ejs-loader receives a total of 75,578 weekly downloads. As such, ejs-loader popularity was classified as popular.
We found that ejs-loader demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
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