decaffeinate: rename app/coffee dir to app/js

app/js/LatexRunner.js

@@ -0,0 +1,131 @@
+/* eslint-disable
+    camelcase,
+    handle-callback-err,
+    no-return-assign,
+    no-unused-vars,
+*/
+// TODO: This file was created by bulk-decaffeinate.
+// Fix any style issues and re-enable lint.
+/*
+ * decaffeinate suggestions:
+ * DS102: Remove unnecessary code created because of implicit returns
+ * DS103: Rewrite code to no longer use __guard__
+ * DS207: Consider shorter variations of null checks
+ * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
+ */
+let LatexRunner;
+const Path = require("path");
+const Settings = require("settings-sharelatex");
+const logger = require("logger-sharelatex");
+const Metrics = require("./Metrics");
+const CommandRunner = require("./CommandRunner");
+
+const ProcessTable = {};  // table of currently running jobs (pids or docker container names)
+
+module.exports = (LatexRunner = {
+	runLatex(project_id, options, callback) {
+		let command;
+		if (callback == null) { callback = function(error) {}; }
+		let {directory, mainFile, compiler, timeout, image, environment, flags} = options;
+		if (!compiler) { compiler = "pdflatex"; }
+		if (!timeout) { timeout = 60000; } // milliseconds
+
+		logger.log({directory, compiler, timeout, mainFile, environment, flags}, "starting compile");
+
+		// We want to run latexmk on the tex file which we will automatically
+		// generate from the Rtex/Rmd/md file.
+		mainFile = mainFile.replace(/\.(Rtex|md|Rmd)$/, ".tex");
+
+		if (compiler === "pdflatex") {
+			command = LatexRunner._pdflatexCommand(mainFile, flags);
+		} else if (compiler === "latex") {
+			command = LatexRunner._latexCommand(mainFile, flags);
+		} else if (compiler === "xelatex") {
+			command = LatexRunner._xelatexCommand(mainFile, flags);
+		} else if (compiler === "lualatex") {
+			command = LatexRunner._lualatexCommand(mainFile, flags);
+		} else {
+			return callback(new Error(`unknown compiler: ${compiler}`));
+		}
+
+		if (Settings.clsi != null ? Settings.clsi.strace : undefined) {
+			command = ["strace", "-o", "strace", "-ff"].concat(command);
+		}
+
+		const id = `${project_id}`; // record running project under this id
+
+		return ProcessTable[id] = CommandRunner.run(project_id, command, directory, image, timeout, environment, function(error, output) {
+			delete ProcessTable[id];
+			if (error != null) { return callback(error); }
+			const runs = __guard__(__guard__(output != null ? output.stderr : undefined, x1 => x1.match(/^Run number \d+ of .*latex/mg)), x => x.length) || 0;
+			const failed = (__guard__(output != null ? output.stdout : undefined, x2 => x2.match(/^Latexmk: Errors/m)) != null) ? 1 : 0;
+			// counters from latexmk output
+			const stats = {};
+			stats["latexmk-errors"] = failed;
+			stats["latex-runs"] = runs;
+			stats["latex-runs-with-errors"] = failed ? runs : 0;
+			stats[`latex-runs-${runs}`] = 1;
+			stats[`latex-runs-with-errors-${runs}`] = failed ? 1 : 0;
+			// timing information from /usr/bin/time
+			const timings = {};
+			const stderr = output != null ? output.stderr : undefined;
+			timings["cpu-percent"] = __guard__(stderr != null ? stderr.match(/Percent of CPU this job got: (\d+)/m) : undefined, x3 => x3[1]) || 0;
+			timings["cpu-time"] = __guard__(stderr != null ? stderr.match(/User time.*: (\d+.\d+)/m) : undefined, x4 => x4[1]) || 0;
+			timings["sys-time"] = __guard__(stderr != null ? stderr.match(/System time.*: (\d+.\d+)/m) : undefined, x5 => x5[1]) || 0;
+			return callback(error, output, stats, timings);
+		});
+	},
+
+	killLatex(project_id, callback) {
+		if (callback == null) { callback = function(error) {}; }
+		const id = `${project_id}`;
+		logger.log({id}, "killing running compile");
+		if ((ProcessTable[id] == null)) {
+			logger.warn({id}, "no such project to kill");
+			return callback(null);
+		} else {
+			return CommandRunner.kill(ProcessTable[id], callback);
+		}
+	},
+
+	_latexmkBaseCommand(flags) {
+		let args = ["latexmk", "-cd", "-f", "-jobname=output", "-auxdir=$COMPILE_DIR", "-outdir=$COMPILE_DIR", "-synctex=1","-interaction=batchmode"];
+		if (flags) {
+			args = args.concat(flags);
+		}
+		return (__guard__(Settings != null ? Settings.clsi : undefined, x => x.latexmkCommandPrefix) || []).concat(args);
+	},
+
+	_pdflatexCommand(mainFile, flags) {
+		return LatexRunner._latexmkBaseCommand(flags).concat([
+			"-pdf",
+			Path.join("$COMPILE_DIR", mainFile)
+		]);
+	},
+
+	_latexCommand(mainFile, flags) {
+		return LatexRunner._latexmkBaseCommand(flags).concat([
+			"-pdfdvi",
+			Path.join("$COMPILE_DIR", mainFile)
+		]);
+	},
+
+	_xelatexCommand(mainFile, flags) {
+		return LatexRunner._latexmkBaseCommand(flags).concat([
+			"-xelatex",
+			Path.join("$COMPILE_DIR", mainFile)
+		]);
+	},
+
+	_lualatexCommand(mainFile, flags) {
+		return LatexRunner._latexmkBaseCommand(flags).concat([
+			"-lualatex",
+			Path.join("$COMPILE_DIR", mainFile)
+		]);
+	}
+});
+
+
+function __guard__(value, transform) {
+  return (typeof value !== 'undefined' && value !== null) ? transform(value) : undefined;
+}