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Add support for css file styles injection #18

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Add support for css file styles injection #18

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29 changes: 19 additions & 10 deletions src/dev/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -10,10 +10,12 @@ require('@webcomponents/custom-elements');
module.exports = {
/**
* @param {JSX.Element} app
* @param {string} tagName - The name of the web component. Has to be minus "-" delimited.
* @param {boolean} useShadowDom - If the value is set to "true" the web component will use the `shadowDom`. The default value is true.
* @param {string} tagName - The name of the web component. Has to be minus '-' delimited.
* @param {Object} config - The config object used to generate the web component.
* @param {string} config.useShadowDom - If the value is set to 'true' the web component will use the `shadowDom`. The default value is true.
* @param {string} config.cssFile - The css file location in the distribution server. Optional.
*/
create: (app, tagName, useShadowDom = true) => {
create: (app, tagName, config = { useShadowDom: true }) => {
let appInstance;

const lifeCycleHooks = {
Expand Down Expand Up @@ -44,7 +46,7 @@ module.exports = {
const webComponentInstance = this;
let mountPoint = webComponentInstance;

if (useShadowDom) {
if (config.useShadowDom) {
// Re-assign the webComponentInstance (this) to the newly created shadowRoot
const shadowRoot = webComponentInstance.attachShadow({ mode: 'open' });
// Re-assign the mountPoint to the newly created "div" element
Expand All @@ -63,14 +65,21 @@ module.exports = {
}

ReactDOM.render(React.cloneElement(app, extractAttributes(webComponentInstance)) , mountPoint, function () {
appInstance = this;
appInstance = this;

callConstructorHook(webComponentInstance);
callLifeCycleHook('connectedCallback');
});
callConstructorHook(webComponentInstance);
callLifeCycleHook('connectedCallback');
});

if (config.cssFile) {
mountPoint.insertAdjacentHTML(
'afterbegin',
`<link rel='stylesheet' type='text/css' href='${config.cssFile}'/>`
);
}
}
disconnectedCallback () {
callLifeCycleHook('disconnectedCallback');
callLifeCycleHook('disconnectedCallback');
}
attributeChangedCallback (attributeName, oldValue, newValue, namespace) {
callLifeCycleHook('attributeChangedCallback', [attributeName, oldValue, newValue, namespace]);
Expand All @@ -81,5 +90,5 @@ module.exports = {
}

customElements.define(tagName, proto);
},
}
};