50 lines
1.2 KiB
JavaScript
50 lines
1.2 KiB
JavaScript
const Config = imports.misc.config
|
|
const Me = imports.misc.extensionUtils.getCurrentExtension()
|
|
|
|
var VERSION = parseInt(Config.PACKAGE_VERSION.replace(/^3\./, '').split('.')[0])
|
|
|
|
var Injection = class Injection {
|
|
__override__(ctx) {
|
|
if (!this.active) return
|
|
|
|
this._replace = (key, fn) => {
|
|
const method = fn || this[key]
|
|
ctx[key] = (...args) => method.call(ctx, ...args)
|
|
}
|
|
|
|
this._prepend = (key, fn) => {
|
|
const method = fn || this[key]
|
|
const target = ctx[key]
|
|
|
|
ctx[key] = (...args) => {
|
|
method.call(ctx, ...args)
|
|
return target.call(ctx, ...args)
|
|
}
|
|
}
|
|
|
|
this._append = (key, fn) => {
|
|
const method = fn || this[key]
|
|
const target = ctx[key]
|
|
|
|
ctx[key] = (...args) => {
|
|
target.call(ctx, ...args)
|
|
return method.call(ctx, ...args)
|
|
}
|
|
}
|
|
|
|
this._init(ctx)
|
|
}
|
|
}
|
|
|
|
function inject(ctx, path, name) {
|
|
const klass = Me.imports.overrides[path][name]
|
|
|
|
if (klass) {
|
|
const instance = new klass()
|
|
instance.__override__(ctx)
|
|
} else {
|
|
const extension = Me.metadata.name
|
|
throw new Error(`${extension} Error: Override ${path}.${name} does not exist!`)
|
|
}
|
|
}
|