App variables can now be specified in component-config.json using
the ${var} format. The value of var is looked up using app.get().
This allows loopback explorer and other loopback components which
require app variables, to be loaded declaratively using
component-config.json.
App variables can now be specified in middleware.json using the ${var}
format. The value of var is looked up using app.get().
This allows loopback.rest and other loopback middleware which require
app variables, to be loaded declaratively using middleware.json.
- Ensure `app.booting` is initially `undefined`
- Ensure `app.booting` is set to true during boot execution
- Ensure `app.booting` is set to false upon boot completion
Load configuration of components from `component-config`
and configure all components as specified.
Sample JSON:
{
"loopback-component-foobar": {
"option1": "value1",
"option2": "value2"
}
}
The component is expected to export the following function:
module.exports = function(app, options) { /* ... */ };
When the middleware name (path) is in the format {module}#{filename},
loopback-boot resolves the path by trying multiple locations and
using the first one that exists:
- {module} and check the {filename} property of the exports
-> e.g. loopback.rest
- {module}/server/middleware/{filename}
-> e.g. loopback/server/middleware/rest
- {module}/middleware/{filename}
-> e.g. loopback/middleware/rest
Values in any other format will bypass this resolution algorithm and
they will be used in the original form:
- a full path in a module: loopback/server/middleware/rest
- a relative path: ./middleware/custom, ./custom, ../logger
- an absolute path: /usr/local/lib/node_modules/compression
Sample JSON:
{
"routes:before": {
"morgan": {
"params": ["dev"]
}
},
"routes": {
"loopback/server/middleware/rest": {
}
},
"subapps": {
"./adminer": {
},
}
}
The JSON file can be customized using the usual conventions:
- middleware.local.{js|json}
- middleware.{env}.{js|json}
It is also possible to mount the same middleware in the same phase
multiple times with different configuration.
Example config:
{
"auth": {
"oauth2": [
{
"params": "first"
},
{
"params": "second"
}
]
},
});
Load models for any filetypes registered in require.extensions.
- Server side coffee-script requires a `require('coffee-script/register');`
- Client side coffee-script requires Coffeeify.
Interpret model sources in the same way how `require.resolve`
interprets the path:
- values starting with `./` and `../` are relative to the file
where they are specified
- other values are relative to node modules folders
This way it's possible to specify a source `loopback/common/models`
and have it resolved to whatever place the loopback is installed.
LoopBack built-in models are special: they follow the loopback-boot
structure and provide `common/models/{name}.json` files, but they are
also automatically loaded (created) by loopback.
This change modifies `executor` to recognize built-in models and do not
redefine them.
Simplify the contract for functions exported by `models/*.js` files
by removing the second argument `Base`. The base class can be accessed
using `ModelCtor.base`.
An updated example of a model js file:
```js
module.exports = function(Customer) {
Customer.setup = function() {
Customer.base.setup.apply(this, arguments);
// etc.
};
};
```
The new loopback project layout adds a concept of components like
'rest server' and 'isomorphic client', each component having its own set
of boot files. The name `app.json` is confusing, since it is configuring
a component, not the app (which is the whole project).
Rework the way how models are configured, the goal is to allow
loopback-boot to automatically determine the correct order
of the model definitions to ensure base models are defined
before they are extended.
1. The model .js file no longer creates the model, it exports
a config function instead:
```js
module.exports = function(Car, Base) {
// Car is the model constructor
// Base is the parent model (e.g. loopback.PersistedModel)
Car.prototype.honk = function(duration, cb) {
// make some noise for `duration` seconds
cb();
};
};
```
2. The model is created by loopback-boot from model .json file.
The .js file must have the same base file name.
3. The `boot()` function has a new parameter `modelSources` to
specify the list of directories where to look for model definitions.
The parameter defaults to `['./models']`.
As a side effect, only models configured in `models.json` and their
base clases are defined. This should keep the size of the browserified
bundle small, because unused models are not included.
Breaking change.
In the new 2.x project layout, definition of loopback Models is out of
scope of the boot process. The bootstrapper only configures existing
models - attaches them to a dataSource and the app object.
Hide `compile` and `execute` and provide a better API for browserified
applications:
- `boot.compileToBrowserify(options, bundler)` calls `compile` under
the hood and adds all instructions and scripts to the bundler.
- `bootBrowserApp(app)` is exported by loopback-boot when the module
is loaded in a browser, the function loads the instructions as
bundled by `compileToBrowserify`.
This new API hides all implementation details from the user and makes
it easy to add loopback-boot to any build script.
Move `app.boot()` and its tests from loopback.
Fix jshint warnings.
Clean up unit tests - remove dependency on global variables created
by loopback's test/support.js
David Cheung
Ryan Graham
Miroslav Bajtoš
yorkie
Hage Yaapa
Hack Sparrow
Pradnya Baviskar
Krishna Raman
Simon Ho
Clark Wang
Miroslav Bajtoš
Raymond Feng
bitmage