discourse/app/assets/javascripts/select-kit/addon/mixins/plugin-api.js

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import Mixin from "@ember/object/mixin";
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import { isNone } from "@ember/utils";
import { makeArray } from "discourse-common/lib/helpers";
let _appendContentCallbacks = {};
function appendContent(pluginApiIdentifiers, contentFunction) {
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if (isNone(_appendContentCallbacks[pluginApiIdentifiers])) {
_appendContentCallbacks[pluginApiIdentifiers] = [];
}
_appendContentCallbacks[pluginApiIdentifiers].push(contentFunction);
}
let _prependContentCallbacks = {};
function prependContent(targetedIdentifier, contentFunction) {
if (isNone(_prependContentCallbacks[targetedIdentifier])) {
_prependContentCallbacks[targetedIdentifier] = [];
}
_prependContentCallbacks[targetedIdentifier].push(contentFunction);
}
let _onChangeCallbacks = {};
function onChange(pluginApiIdentifiers, mutationFunction) {
if (isNone(_onChangeCallbacks[pluginApiIdentifiers])) {
_onChangeCallbacks[pluginApiIdentifiers] = [];
}
_onChangeCallbacks[pluginApiIdentifiers].push(mutationFunction);
}
export function applyContentPluginApiCallbacks(content, component) {
makeArray(component.pluginApiIdentifiers).forEach((key) => {
(_prependContentCallbacks[key] || []).forEach((c) => {
const prependedContent = c(component, content);
if (prependedContent) {
content = makeArray(prependedContent).concat(content);
}
});
(_appendContentCallbacks[key] || []).forEach((c) => {
const appendedContent = c(component, content);
if (appendedContent) {
content = content.concat(makeArray(appendedContent));
}
});
});
return content;
}
export function applyOnChangePluginApiCallbacks(value, items, component) {
makeArray(component.pluginApiIdentifiers).forEach((key) => {
(_onChangeCallbacks[key] || []).forEach((c) => c(component, value, items));
});
}
export function modifySelectKit(targetedIdentifier) {
return {
appendContent: (callback) => {
appendContent(targetedIdentifier, callback);
return modifySelectKit(targetedIdentifier);
},
prependContent: (callback) => {
prependContent(targetedIdentifier, callback);
return modifySelectKit(targetedIdentifier);
},
onChange: (callback) => {
onChange(targetedIdentifier, callback);
return modifySelectKit(targetedIdentifier);
},
};
}
export function clearCallbacks() {
_appendContentCallbacks = {};
_prependContentCallbacks = {};
_onChangeCallbacks = {};
}
const EMPTY_ARRAY = Object.freeze([]);
export default Mixin.create({
concatenatedProperties: ["pluginApiIdentifiers"],
pluginApiIdentifiers: EMPTY_ARRAY,
});