decaffeinate: rename app/coffee dir to app/js

app/js/TikzManager.js

@@ -0,0 +1,62 @@
+/* eslint-disable
+    handle-callback-err,
+    no-unused-vars,
+*/
+// TODO: This file was created by bulk-decaffeinate.
+// Fix any style issues and re-enable lint.
+/*
+ * decaffeinate suggestions:
+ * DS101: Remove unnecessary use of Array.from
+ * DS102: Remove unnecessary code created because of implicit returns
+ * DS207: Consider shorter variations of null checks
+ * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
+ */
+let TikzManager;
+const fs = require("fs");
+const Path = require("path");
+const ResourceWriter = require("./ResourceWriter");
+const SafeReader = require("./SafeReader");
+const logger = require("logger-sharelatex");
+
+// for \tikzexternalize or pstool to work the main file needs to match the
+// jobname.  Since we set the -jobname to output, we have to create a
+// copy of the main file as 'output.tex'.
+
+module.exports = (TikzManager = {
+
+	checkMainFile(compileDir, mainFile, resources, callback) {
+		// if there's already an output.tex file, we don't want to touch it
+		if (callback == null) { callback = function(error, needsMainFile) {}; }
+		for (const resource of Array.from(resources)) {
+			if (resource.path === "output.tex") {
+				logger.log({compileDir, mainFile}, "output.tex already in resources");
+				return callback(null, false);
+			}
+		}
+		// if there's no output.tex, see if we are using tikz/pgf or pstool in the main file
+		return ResourceWriter.checkPath(compileDir, mainFile, function(error, path) {
+			if (error != null) { return callback(error); }
+			return SafeReader.readFile(path, 65536, "utf8", function(error, content) {
+				if (error != null) { return callback(error); }
+				const usesTikzExternalize = (content != null ? content.indexOf("\\tikzexternalize") : undefined) >= 0;
+				const usesPsTool = (content != null ? content.indexOf("{pstool}") : undefined) >= 0;
+				logger.log({compileDir, mainFile, usesTikzExternalize, usesPsTool}, "checked for packages needing main file as output.tex");
+				const needsMainFile = (usesTikzExternalize || usesPsTool);
+				return callback(null, needsMainFile);
+			});
+		});
+	},
+
+	injectOutputFile(compileDir, mainFile, callback) {
+		if (callback == null) { callback = function(error) {}; }
+		return ResourceWriter.checkPath(compileDir, mainFile, function(error, path) {
+			if (error != null) { return callback(error); }
+			return fs.readFile(path, "utf8", function(error, content) {
+				if (error != null) { return callback(error); }
+				logger.log({compileDir, mainFile}, "copied file to output.tex as project uses packages which require it");
+				// use wx flag to ensure that output file does not already exist
+				return fs.writeFile(Path.join(compileDir, "output.tex"), content, {flag:'wx'}, callback);
+			});
+		});
+	}
+});