Locally add prismjs

node_modules/prismjs/plugins/normalize-whitespace/prism-normalize-whitespace.js

@@ -0,0 +1,229 @@
+(function () {
+
+	if (typeof Prism === 'undefined') {
+		return;
+	}
+
+	var assign = Object.assign || function (obj1, obj2) {
+		for (var name in obj2) {
+			if (obj2.hasOwnProperty(name)) {
+				obj1[name] = obj2[name];
+			}
+		}
+		return obj1;
+	};
+
+	function NormalizeWhitespace(defaults) {
+		this.defaults = assign({}, defaults);
+	}
+
+	function toCamelCase(value) {
+		return value.replace(/-(\w)/g, function (match, firstChar) {
+			return firstChar.toUpperCase();
+		});
+	}
+
+	function tabLen(str) {
+		var res = 0;
+		for (var i = 0; i < str.length; ++i) {
+			if (str.charCodeAt(i) == '\t'.charCodeAt(0)) {
+				res += 3;
+			}
+		}
+		return str.length + res;
+	}
+
+	var settingsConfig = {
+		'remove-trailing': 'boolean',
+		'remove-indent': 'boolean',
+		'left-trim': 'boolean',
+		'right-trim': 'boolean',
+		'break-lines': 'number',
+		'indent': 'number',
+		'remove-initial-line-feed': 'boolean',
+		'tabs-to-spaces': 'number',
+		'spaces-to-tabs': 'number',
+	};
+
+	NormalizeWhitespace.prototype = {
+		setDefaults: function (defaults) {
+			this.defaults = assign(this.defaults, defaults);
+		},
+		normalize: function (input, settings) {
+			settings = assign(this.defaults, settings);
+
+			for (var name in settings) {
+				var methodName = toCamelCase(name);
+				if (name !== 'normalize' && methodName !== 'setDefaults' &&
+					settings[name] && this[methodName]) {
+					input = this[methodName].call(this, input, settings[name]);
+				}
+			}
+
+			return input;
+		},
+
+		/*
+		 * Normalization methods
+		 */
+		leftTrim: function (input) {
+			return input.replace(/^\s+/, '');
+		},
+		rightTrim: function (input) {
+			return input.replace(/\s+$/, '');
+		},
+		tabsToSpaces: function (input, spaces) {
+			spaces = spaces|0 || 4;
+			return input.replace(/\t/g, new Array(++spaces).join(' '));
+		},
+		spacesToTabs: function (input, spaces) {
+			spaces = spaces|0 || 4;
+			return input.replace(RegExp(' {' + spaces + '}', 'g'), '\t');
+		},
+		removeTrailing: function (input) {
+			return input.replace(/\s*?$/gm, '');
+		},
+		// Support for deprecated plugin remove-initial-line-feed
+		removeInitialLineFeed: function (input) {
+			return input.replace(/^(?:\r?\n|\r)/, '');
+		},
+		removeIndent: function (input) {
+			var indents = input.match(/^[^\S\n\r]*(?=\S)/gm);
+
+			if (!indents || !indents[0].length) {
+				return input;
+			}
+
+			indents.sort(function (a, b) { return a.length - b.length; });
+
+			if (!indents[0].length) {
+				return input;
+			}
+
+			return input.replace(RegExp('^' + indents[0], 'gm'), '');
+		},
+		indent: function (input, tabs) {
+			return input.replace(/^[^\S\n\r]*(?=\S)/gm, new Array(++tabs).join('\t') + '$&');
+		},
+		breakLines: function (input, characters) {
+			characters = (characters === true) ? 80 : characters|0 || 80;
+
+			var lines = input.split('\n');
+			for (var i = 0; i < lines.length; ++i) {
+				if (tabLen(lines[i]) <= characters) {
+					continue;
+				}
+
+				var line = lines[i].split(/(\s+)/g);
+				var len = 0;
+
+				for (var j = 0; j < line.length; ++j) {
+					var tl = tabLen(line[j]);
+					len += tl;
+					if (len > characters) {
+						line[j] = '\n' + line[j];
+						len = tl;
+					}
+				}
+				lines[i] = line.join('');
+			}
+			return lines.join('\n');
+		}
+	};
+
+	// Support node modules
+	if (typeof module !== 'undefined' && module.exports) {
+		module.exports = NormalizeWhitespace;
+	}
+
+	Prism.plugins.NormalizeWhitespace = new NormalizeWhitespace({
+		'remove-trailing': true,
+		'remove-indent': true,
+		'left-trim': true,
+		'right-trim': true,
+		/*'break-lines': 80,
+		'indent': 2,
+		'remove-initial-line-feed': false,
+		'tabs-to-spaces': 4,
+		'spaces-to-tabs': 4*/
+	});
+
+	Prism.hooks.add('before-sanity-check', function (env) {
+		var Normalizer = Prism.plugins.NormalizeWhitespace;
+
+		// Check settings
+		if (env.settings && env.settings['whitespace-normalization'] === false) {
+			return;
+		}
+
+		// Check classes
+		if (!Prism.util.isActive(env.element, 'whitespace-normalization', true)) {
+			return;
+		}
+
+		// Simple mode if there is no env.element
+		if ((!env.element || !env.element.parentNode) && env.code) {
+			env.code = Normalizer.normalize(env.code, env.settings);
+			return;
+		}
+
+		// Normal mode
+		var pre = env.element.parentNode;
+		if (!env.code || !pre || pre.nodeName.toLowerCase() !== 'pre') {
+			return;
+		}
+
+		if (env.settings == null) { env.settings = {}; }
+
+		// Read settings from 'data-' attributes
+		for (var key in settingsConfig) {
+			if (Object.hasOwnProperty.call(settingsConfig, key)) {
+				var settingType = settingsConfig[key];
+				if (pre.hasAttribute('data-' + key)) {
+					try {
+						var value = JSON.parse(pre.getAttribute('data-' + key) || 'true');
+						if (typeof value === settingType) {
+							env.settings[key] = value;
+						}
+					} catch (_error) {
+						// ignore error
+					}
+				}
+			}
+		}
+
+		var children = pre.childNodes;
+		var before = '';
+		var after = '';
+		var codeFound = false;
+
+		// Move surrounding whitespace from the <pre> tag into the <code> tag
+		for (var i = 0; i < children.length; ++i) {
+			var node = children[i];
+
+			if (node == env.element) {
+				codeFound = true;
+			} else if (node.nodeName === '#text') {
+				if (codeFound) {
+					after += node.nodeValue;
+				} else {
+					before += node.nodeValue;
+				}
+
+				pre.removeChild(node);
+				--i;
+			}
+		}
+
+		if (!env.element.children.length || !Prism.plugins.KeepMarkup) {
+			env.code = before + env.code + after;
+			env.code = Normalizer.normalize(env.code, env.settings);
+		} else {
+			// Preserve markup for keep-markup plugin
+			var html = before + env.element.innerHTML + after;
+			env.element.innerHTML = Normalizer.normalize(html, env.settings);
+			env.code = env.element.textContent;
+		}
+	});
+
+}());