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Free and Open source Web Builder Framework. Next generation tool for building templates without coding
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grapesjs/docs/assets/js/38.41db2434.js

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(window.webpackJsonp=window.webpackJsonp||[]).push([[38],{237:function(t,s,a){"use strict";a.r(s);var n=a(1),e=Object(n.a)({},function(){var t=this,s=t.$createElement,a=t._self._c||s;return a("div",{staticClass:"content"},[t._m(0),a("p",[t._v("In this guide you'll see how to attach component related scripts and deal with external JavaScript libraries (for stuff like counters, galleries, slideshows, etc.)")]),a("p"),t._m(1),a("p"),t._m(2),a("p",[t._v("Let's see how to create a component with scripts using Blocks.")]),t._m(3),t._m(4),t._m(5),t._m(6),t._m(7),t._m(8),t._m(9),t._m(10),t._m(11),a("p",[t._v("This is much better, but be aware of a string conversion, you can't use variables outside of the function scope. Take a look at this scenario:")]),t._m(12),t._m(13),t._m(14),a("p",[t._v("There is a solution to make your scripts behave dynamically. You can interpolate properties of the component model.")]),t._m(15),a("p",[t._v("The final HTML will be:")]),t._m(16),a("p",[t._v("You can even change the tags used for the interpolation")]),t._m(17),a("p",[t._v("You can use this technique with "),a("a",{attrs:{href:"https://github.com/artf/grapesjs/wiki/Traits#add-traits-to-components",target:"_blank",rel:"noopener noreferrer"}},[t._v("property Traits"),a("OutboundLink")],1),t._v(" to create custom components.")]),t._m(18),a("p",[t._v("As we mentioned above, scripts are executed independently inside the iframe of the canvas, without any dependencies, so exactly as the final HTML generated by the editor.\nIf you want to make use of external libraries you have two approaches: component-related and template-related.")]),t._m(19),a("p",[t._v("If you're building a slider component based on some third-party library you probably would like to include the external file only when the component is actually dragged inside the canvas. In this case, the component-related approach is the perfect one as it's loading external libraries dynamically.\nAll you have to do is to require the dependency when it is needed and then call your script.")]),t._m(20),t._m(21),a("p",[t._v("A dependency might be used along all your components (eg. JQuery) so instead requiring it inside each script you might want to inject it directly inside the canvas:")]),t._m(22),t._m(23),a("p",[t._v("Examples of components using scripts inside")]),a("ul",[a("li",[a("a",{attrs:{href:"https://github.com/artf/grapesjs-navbar",target:"_blank",rel:"noopener noreferrer"}},[t._v("grapesjs-navbar"),a("OutboundLink")],1)]),a("li",[a("a",{attrs:{href:"https://github.com/artf/grapesjs-component-countdown",target:"_blank",rel:"noopener noreferrer"}},[t._v("grapesjs-component-countdown"),a("OutboundLink")],1)])])])},[function(){var t=this.$createElement,s=this._self._c||t;return s("h1",{attrs:{id:"components-js"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#components-js","aria-hidden":"true"}},[this._v("#")]),this._v(" Components & JS")])},function(){var t=this.$createElement,s=this._self._c||t;return s("div",{staticClass:"table-of-contents"},[s("ul",[s("li",[s("a",{attrs:{href:"#basic-scripts"}},[this._v("Basic scripts")])]),s("li",[s("a",{attrs:{href:"#dependencies"}},[this._v("Dependencies")]),s("ul",[s("li",[s("a",{attrs:{href:"#component-related"}},[this._v("Component related")])]),s("li",[s("a",{attrs:{href:"#template-related"}},[this._v("Template related")])])])]),s("li",[s("a",{attrs:{href:"#examples"}},[this._v("Examples")])])])])},function(){var t=this.$createElement,s=this._self._c||t;return s("h2",{attrs:{id:"basic-scripts"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#basic-scripts","aria-hidden":"true"}},[this._v("#")]),this._v(" Basic scripts")])},function(){var t=this,s=t.$createElement,a=t._self._c||s;return a("div",{staticClass:"language-js extra-class"},[a("pre",{pre:!0,attrs:{class:"language-js"}},[a("code",[t._v("editor"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("BlockManager"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("add")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),a("span",{pre:!0,attrs:{class:"token string"}},[t._v("'test-block'")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n label"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(":")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token string"}},[t._v("'Test block'")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n attributes"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(":")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(":")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token string"}},[t._v("'fa fa-text'")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n content"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(":")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n script"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(":")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token string"}},[t._v("\"alert('Hi'); 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All your external libraries (eg. jQuery) are not there, but you'll see later how to manage scripted components with dependencies.")])},function(){var t=this.$createElement,s=this._self._c||t;return s("p",[this._v("One thing you might be concerned about is a string used for the "),s("code",[this._v("script")]),this._v(", definitely not the best way to deal with a code, for this reason GrapesJS is able also to handle functions for you, so the previous example might look like this:")])},function(){var t=this,s=t.$createElement,a=t._self._c||s;return a("div",{staticClass:"language-js extra-class"},[a("pre",{pre:!0,attrs:{class:"language-js"}},[a("code",[t._v("editor"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("BlockManager"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("add")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),a("span",{pre:!0,attrs:{class:"token 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You'll get an undefined "),s("code",[this._v("myVar")]),this._v(" error. The final HTML, with script functions converted to string, will look like this:")])},function(){var t=this,s=t.$createElement,a=t._self._c||s;return a("div",{staticClass:"language-html extra-class"},[a("pre",{pre:!0,attrs:{class:"language-html"}},[a("code",[a("span",{pre:!0,attrs:{class:"token tag"}},[a("span",{pre:!0,attrs:{class:"token tag"}},[a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("<")]),t._v("div")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token attr-name"}},[t._v("id")]),a("span",{pre:!0,attrs:{class:"token attr-value"}},[a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("=")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v('"')]),t._v("c764"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v('"')])]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(">")])]),a("span",{pre:!0,attrs:{class:"token tag"}},[a("span",{pre:!0,attrs:{class:"token tag"}},[a("span",{pre:!0,attrs:{class:"token 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