08-27-周三_17-09-29

node_modules/prismjs/components/prism-diff.js

@@ -0,0 +1,54 @@
+(function (Prism) {
+
+	Prism.languages.diff = {
+		'coord': [
+			// Match all kinds of coord lines (prefixed by "+++", "---" or "***").
+			/^(?:\*{3}|-{3}|\+{3}).*$/m,
+			// Match "@@ ... @@" coord lines in unified diff.
+			/^@@.*@@$/m,
+			// Match coord lines in normal diff (starts with a number).
+			/^\d+.*$/m
+		]
+
+		// deleted, inserted, unchanged, diff
+	};
+
+	/**
+	 * A map from the name of a block to its line prefix.
+	 *
+	 * @type {Object<string, string>}
+	 */
+	var PREFIXES = {
+		'deleted-sign': '-',
+		'deleted-arrow': '<',
+		'inserted-sign': '+',
+		'inserted-arrow': '>',
+		'unchanged': ' ',
+		'diff': '!',
+	};
+
+	// add a token for each prefix
+	Object.keys(PREFIXES).forEach(function (name) {
+		var prefix = PREFIXES[name];
+
+		var alias = [];
+		if (!/^\w+$/.test(name)) { // "deleted-sign" -> "deleted"
+			alias.push(/\w+/.exec(name)[0]);
+		}
+		if (name === "diff") {
+			alias.push("bold");
+		}
+
+		Prism.languages.diff[name] = {
+			// pattern: /^(?:[_].*(?:\r\n?|\n|(?![\s\S])))+/m
+			pattern: RegExp('^(?:[' + prefix + '].*(?:\r\n?|\n|(?![\\s\\S])))+', 'm'),
+			alias: alias
+		};
+	});
+
+	// make prefixes available to Diff plugin
+	Object.defineProperty(Prism.languages.diff, 'PREFIXES', {
+		value: PREFIXES
+	});
+
+}(Prism));