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Add isRegistred flag to prevent registering the button multiple times #16

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Merged
merged 1 commit into from
Oct 3, 2019
Merged

Add isRegistred flag to prevent registering the button multiple times #16

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124 changes: 64 additions & 60 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -121,6 +121,8 @@ function getStylesFromIframe(iframe) {
return cssText;
}

var isRegistred = false;

module.exports = function() {
var codepens = document.querySelectorAll('div.codepen');
//remove the old codepen links
Expand All @@ -133,69 +135,71 @@ module.exports = function() {
}
});

//Register PrismJS "Run" custom button
Prism.plugins.toolbar.registerButton("run-code", function(env) {
var demoWrapper = findDemoWrapper(env.element);
var pre = env.element.parentElement;
var hasRunBtn = demoWrapper ? demoWrapper.getAttribute("data-has-run") : pre.getAttribute("data-has-run");
//prevent other demos without codepen link to register Run button
if (hasRunBtn) {
var btn = document.createElement("button");
btn.innerHTML = "Run";
btn.setAttribute("data-run", "");
return btn;
}
});
document.body.addEventListener('click', function (ev) {
if (ev.target.getAttribute('data-run') != null) {
var btn = ev.target;
var demoWrapper = findDemoWrapper(btn);
if (!demoWrapper) {
var preElement = findPreForToolbarBtn(btn);
var codeElement = preElement.querySelector("code");
var language = codeElement.className.match(languageHTML)[1];
var text = codeElement.textContent;

var data = types[language](text);

if(data.js) {
data.js = data.js.trim();
}
if(data.html) {
data.html = data.html.trim();
}
if(data) {
cleanCodePenData(data);
if(window.CREATE_CODE_PEN) {
CREATE_CODE_PEN(data);
} else {
createCodePen(data);
if (!isRegistred) {
//Register PrismJS "Run" custom button
Prism.plugins.toolbar.registerButton("run-code", function(env) {
var demoWrapper = findDemoWrapper(env.element);
var pre = env.element.parentElement;
var hasRunBtn = demoWrapper ? demoWrapper.getAttribute("data-has-run") : pre.getAttribute("data-has-run");
//prevent other demos without codepen link to register Run button
if (hasRunBtn) {
var btn = document.createElement("button");
btn.innerHTML = "Run";
btn.setAttribute("data-run", "");
return btn;
}
});
document.body.addEventListener('click', function (ev) {
if (ev.target.getAttribute('data-run') != null) {
var btn = ev.target;
var demoWrapper = findDemoWrapper(btn);
if (!demoWrapper) {
var preElement = findPreForToolbarBtn(btn);
var codeElement = preElement.querySelector("code");
var language = codeElement.className.match(languageHTML)[1];
var text = codeElement.textContent;

var data = types[language](text);

if(data.js) {
data.js = data.js.trim();
}
if(data.html) {
data.html = data.html.trim();
}
if(data) {
cleanCodePenData(data);
if(window.CREATE_CODE_PEN) {
CREATE_CODE_PEN(data);
} else {
createCodePen(data);
}

} else {
console.warn("Unable to create a codepen for this demo");
} else {
console.warn("Unable to create a codepen for this demo");
}
}
}
if (demoWrapper && matches.call(demoWrapper, '.demo_wrapper')) {
var htmlCode = demoWrapper.querySelector('[data-for=html] code');
var htmlText = htmlCode ? htmlCode.textContent.trim() : '';
var jsCode = demoWrapper.querySelector('[data-for=js] code');
var jsText = jsCode ? jsCode.textContent.trim() : '';
var cssText = getStylesFromIframe(demoWrapper.querySelector('iframe'));
var codePen = {
html: htmlText,
js: jsText,
js_module: true,
editors: '1011',
css: cssText.trim()
};
cleanCodePenData(codePen);
if (window.CREATE_CODE_PEN) {
CREATE_CODE_PEN(codePen);
} else {
createCodePen(codePen);
if (demoWrapper && matches.call(demoWrapper, '.demo_wrapper')) {
var htmlCode = demoWrapper.querySelector('[data-for=html] code');
var htmlText = htmlCode ? htmlCode.textContent.trim() : '';
var jsCode = demoWrapper.querySelector('[data-for=js] code');
var jsText = jsCode ? jsCode.textContent.trim() : '';
var cssText = getStylesFromIframe(demoWrapper.querySelector('iframe'));
var codePen = {
html: htmlText,
js: jsText,
js_module: true,
editors: '1011',
css: cssText.trim()
};
cleanCodePenData(codePen);
if (window.CREATE_CODE_PEN) {
CREATE_CODE_PEN(codePen);
} else {
createCodePen(codePen);
}
}
}
}
});
});
}
};