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1 files changed, 82 insertions, 0 deletions

diff --git a/node_modules/prismjs/components/index.js b/node_modules/prismjs/components/index.js
new file mode 100644
index 00000000..fe5940ae
--- /dev/null
+++ b/node_modules/prismjs/components/index.js
@@ -0,0 +1,82 @@
+var components = require('../components.js');
+var peerDependentsMap = null;
+
+function getPeerDependentsMap() {
+	var peerDependentsMap = {};
+	Object.keys(components.languages).forEach(function (language) {
+		if (language === 'meta') {
+			return false;
+		}
+		if (components.languages[language].peerDependencies) {
+			var peerDependencies = components.languages[language].peerDependencies;
+			if (!Array.isArray(peerDependencies)) {
+				peerDependencies = [peerDependencies];
+			}
+			peerDependencies.forEach(function (peerDependency) {
+				if (!peerDependentsMap[peerDependency]) {
+					peerDependentsMap[peerDependency] = [];
+				}
+				peerDependentsMap[peerDependency].push(language);
+			});
+		}
+	});
+	return peerDependentsMap;
+}
+
+function getPeerDependents(mainLanguage) {
+	if (!peerDependentsMap) {
+		peerDependentsMap = getPeerDependentsMap();
+	}
+	return peerDependentsMap[mainLanguage] || [];
+}
+
+function loadLanguages(arr, withoutDependencies) {
+	// If no argument is passed, load all components
+	if (!arr) {
+		arr = Object.keys(components.languages).filter(function (language) {
+			return language !== 'meta';
+		});
+	}
+	if (arr && !arr.length) {
+		return;
+	}
+
+	if (!Array.isArray(arr)) {
+		arr = [arr];
+	}
+
+	arr.forEach(function (language) {
+		if (!components.languages[language]) {
+			console.warn('Language does not exist ' + language);
+			return;
+		}
+		// Load dependencies first
+		if (!withoutDependencies && components.languages[language].require) {
+			loadLanguages(components.languages[language].require);
+		}
+
+		var pathToLanguage = './prism-' + language;
+		delete require.cache[require.resolve(pathToLanguage)];
+		delete Prism.languages[language];
+		require(pathToLanguage);
+
+		// Reload dependents
+		var dependents = getPeerDependents(language).filter(function (dependent) {
+			// If dependent language was already loaded,
+			// we want to reload it.
+			if (Prism.languages[dependent]) {
+				delete Prism.languages[dependent];
+				return true;
+			}
+			return false;
+		});
+		if (dependents.length) {
+			loadLanguages(dependents, true);
+		}
+	});
+}
+
+module.exports = function (arr) {
+	// Don't expose withoutDependencies
+	loadLanguages(arr);
+};
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