devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
173 lines (171 loc) • 7.21 kB
JavaScript
/**
* DevExtreme (cjs/__internal/core/m_template_manager.js)
* Version: 24.2.6
* Build date: Mon Mar 17 2025
*
* Copyright (c) 2012 - 2025 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = exports.TemplateManager = void 0;
var _renderer = _interopRequireDefault(require("../../core/renderer"));
var _empty_template = require("../../core/templates/empty_template");
var _function_template = require("../../core/templates/function_template");
var _common = require("../../core/utils/common");
var _extend = require("../../core/utils/extend");
var _template_manager = require("../../core/utils/template_manager");
var _type = require("../../core/utils/type");
function _interopRequireDefault(e) {
return e && e.__esModule ? e : {
default: e
}
}
const TEXT_NODE = 3;
const ANONYMOUS_TEMPLATE_NAME = "template";
const TEMPLATE_OPTIONS_NAME = "dxTemplate";
const TEMPLATE_WRAPPER_CLASS = "dx-template-wrapper";
const DX_POLYMORPH_WIDGET_TEMPLATE = new _function_template.FunctionTemplate((_ref => {
let {
model: model,
parent: parent
} = _ref;
const widgetName = model.widget;
if (!widgetName) {
return (0, _renderer.default)()
}
const widgetElement = (0, _renderer.default)("<div>");
const widgetOptions = model.options || {};
if (parent) {
parent._createComponent(widgetElement, widgetName, widgetOptions)
} else {
widgetElement[widgetName](widgetOptions)
}
return widgetElement
}));
class TemplateManager {
constructor(createElement, anonymousTemplateName) {
this._tempTemplates = [];
this._defaultTemplates = {};
this._anonymousTemplateName = anonymousTemplateName || "template";
this._createElement = createElement || _template_manager.defaultCreateElement;
this._createTemplateIfNeeded = this._createTemplateIfNeeded.bind(this)
}
static createDefaultOptions() {
return {
integrationOptions: {
watchMethod: function(fn, callback) {
let options = arguments.length > 2 && void 0 !== arguments[2] ? arguments[2] : {};
if (!options.skipImmediate) {
callback(fn())
}
return _common.noop
},
templates: {
"dx-polymorph-widget": DX_POLYMORPH_WIDGET_TEMPLATE
},
useDeferUpdateForTemplates: true
}
}
}
get anonymousTemplateName() {
return this._anonymousTemplateName
}
addDefaultTemplates(templates) {
this._defaultTemplates = (0, _extend.extend)({}, this._defaultTemplates, templates)
}
dispose() {
this._tempTemplates.forEach((tempTemplate => {
tempTemplate.template.dispose && tempTemplate.template.dispose()
}));
this._tempTemplates = []
}
extractTemplates($el) {
const templates = this._extractTemplates($el);
const anonymousTemplateMeta = this._extractAnonymousTemplate($el);
return {
templates: templates,
anonymousTemplateMeta: anonymousTemplateMeta
}
}
_extractTemplates($el) {
const templates = (0, _template_manager.findTemplates)($el, "dxTemplate");
const suitableTemplates = (0, _template_manager.suitableTemplatesByName)(templates);
templates.forEach((_ref2 => {
let {
element: element,
options: {
name: name
}
} = _ref2;
if (element === suitableTemplates[name]) {
(0, _renderer.default)(element).addClass("dx-template-wrapper").detach()
} else {
(0, _renderer.default)(element).remove()
}
}));
return Object.keys(suitableTemplates).map((name => ({
name: name,
template: this._createTemplate(suitableTemplates[name])
})))
}
_extractAnonymousTemplate($el) {
const $anonymousTemplate = $el.contents().detach();
const $notJunkTemplateContent = $anonymousTemplate.filter(((_, element) => {
const isTextNode = 3 === element.nodeType;
const isEmptyText = (0, _renderer.default)(element).text().trim().length < 1;
return !(isTextNode && isEmptyText)
}));
return $notJunkTemplateContent.length > 0 ? {
template: this._createTemplate($anonymousTemplate),
name: this._anonymousTemplateName
} : {}
}
_createTemplateIfNeeded(templateSource) {
const cachedTemplate = this._tempTemplates.filter((tempTemplate => tempTemplate.source === (0, _template_manager.templateKey)(templateSource)))[0];
if (cachedTemplate) {
return cachedTemplate.template
}
const template = this._createTemplate(templateSource);
this._tempTemplates.push({
template: template,
source: (0, _template_manager.templateKey)(templateSource)
});
return template
}
_createTemplate(templateSource) {
return this._createElement((0, _template_manager.validateTemplateSource)(templateSource))
}
getTemplate(templateSource, templates, _ref3, context) {
let {
isAsyncTemplate: isAsyncTemplate,
skipTemplates: skipTemplates
} = _ref3;
if (!(0, _type.isFunction)(templateSource)) {
return (0, _template_manager.acquireTemplate)(templateSource, this._createTemplateIfNeeded, templates, isAsyncTemplate, skipTemplates, this._defaultTemplates)
}
return new _function_template.FunctionTemplate((options => {
const templateSourceResult = templateSource.apply(context, (0, _template_manager.getNormalizedTemplateArgs)(options));
if (!(0, _type.isDefined)(templateSourceResult)) {
return new _empty_template.EmptyTemplate
}
let dispose = false;
const template = (0, _template_manager.acquireTemplate)(templateSourceResult, (templateSource => {
if (templateSource.nodeType || (0, _type.isRenderer)(templateSource) && !(0, _renderer.default)(templateSource).is("script")) {
return new _function_template.FunctionTemplate((() => templateSource))
}
dispose = true;
return this._createTemplate(templateSource)
}), templates, isAsyncTemplate, skipTemplates, this._defaultTemplates);
const result = template.render(options);
dispose && template.dispose && template.dispose();
return result
}))
}
}
exports.TemplateManager = TemplateManager;
var _default = exports.default = {
TemplateManager: TemplateManager
};