decaffeinate: Convert CommandRunner.coffee and 25 other files to JS
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decaffeinate
@@ -1,72 +1,108 @@
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Path = require "path"
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fs = require "fs"
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logger = require "logger-sharelatex"
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settings = require("settings-sharelatex")
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Errors = require "./Errors"
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SafeReader = require "./SafeReader"
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/*
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* decaffeinate suggestions:
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* DS101: Remove unnecessary use of Array.from
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* DS102: Remove unnecessary code created because of implicit returns
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* DS103: Rewrite code to no longer use __guard__
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* DS201: Simplify complex destructure assignments
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* DS207: Consider shorter variations of null checks
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* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
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*/
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let ResourceStateManager;
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const Path = require("path");
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const fs = require("fs");
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const logger = require("logger-sharelatex");
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const settings = require("settings-sharelatex");
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const Errors = require("./Errors");
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const SafeReader = require("./SafeReader");
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module.exports = ResourceStateManager =
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module.exports = (ResourceStateManager = {
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# The sync state is an identifier which must match for an
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# incremental update to be allowed.
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#
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# The initial value is passed in and stored on a full
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# compile, along with the list of resources..
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#
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# Subsequent incremental compiles must come with the same value - if
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# not they will be rejected with a 409 Conflict response. The
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# previous list of resources is returned.
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#
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# An incremental compile can only update existing files with new
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# content. The sync state identifier must change if any docs or
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# files are moved, added, deleted or renamed.
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// The sync state is an identifier which must match for an
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// incremental update to be allowed.
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//
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// The initial value is passed in and stored on a full
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// compile, along with the list of resources..
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//
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// Subsequent incremental compiles must come with the same value - if
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// not they will be rejected with a 409 Conflict response. The
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// previous list of resources is returned.
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//
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// An incremental compile can only update existing files with new
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// content. The sync state identifier must change if any docs or
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// files are moved, added, deleted or renamed.
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SYNC_STATE_FILE: ".project-sync-state"
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SYNC_STATE_MAX_SIZE: 128*1024
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SYNC_STATE_FILE: ".project-sync-state",
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SYNC_STATE_MAX_SIZE: 128*1024,
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saveProjectState: (state, resources, basePath, callback = (error) ->) ->
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stateFile = Path.join(basePath, @SYNC_STATE_FILE)
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if not state? # remove the file if no state passed in
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logger.log state:state, basePath:basePath, "clearing sync state"
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fs.unlink stateFile, (err) ->
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if err? and err.code isnt 'ENOENT'
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return callback(err)
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else
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return callback()
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else
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logger.log state:state, basePath:basePath, "writing sync state"
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resourceList = (resource.path for resource in resources)
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fs.writeFile stateFile, [resourceList..., "stateHash:#{state}"].join("\n"), callback
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saveProjectState(state, resources, basePath, callback) {
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if (callback == null) { callback = function(error) {}; }
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const stateFile = Path.join(basePath, this.SYNC_STATE_FILE);
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if ((state == null)) { // remove the file if no state passed in
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logger.log({state, basePath}, "clearing sync state");
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return fs.unlink(stateFile, function(err) {
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if ((err != null) && (err.code !== 'ENOENT')) {
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return callback(err);
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} else {
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return callback();
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}
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});
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} else {
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logger.log({state, basePath}, "writing sync state");
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const resourceList = (Array.from(resources).map((resource) => resource.path));
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return fs.writeFile(stateFile, [...Array.from(resourceList), `stateHash:${state}`].join("\n"), callback);
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}
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},
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checkProjectStateMatches: (state, basePath, callback = (error, resources) ->) ->
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stateFile = Path.join(basePath, @SYNC_STATE_FILE)
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size = @SYNC_STATE_MAX_SIZE
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SafeReader.readFile stateFile, size, 'utf8', (err, result, bytesRead) ->
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return callback(err) if err?
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if bytesRead is size
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logger.error file:stateFile, size:size, bytesRead:bytesRead, "project state file truncated"
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[resourceList..., oldState] = result?.toString()?.split("\n") or []
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newState = "stateHash:#{state}"
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logger.log state:state, oldState: oldState, basePath:basePath, stateMatches: (newState is oldState), "checking sync state"
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if newState isnt oldState
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return callback new Errors.FilesOutOfSyncError("invalid state for incremental update")
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else
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resources = ({path: path} for path in resourceList)
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callback(null, resources)
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checkProjectStateMatches(state, basePath, callback) {
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if (callback == null) { callback = function(error, resources) {}; }
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const stateFile = Path.join(basePath, this.SYNC_STATE_FILE);
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const size = this.SYNC_STATE_MAX_SIZE;
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return SafeReader.readFile(stateFile, size, 'utf8', function(err, result, bytesRead) {
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if (err != null) { return callback(err); }
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if (bytesRead === size) {
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logger.error({file:stateFile, size, bytesRead}, "project state file truncated");
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}
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const array = __guard__(result != null ? result.toString() : undefined, x => x.split("\n")) || [],
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adjustedLength = Math.max(array.length, 1),
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resourceList = array.slice(0, adjustedLength - 1),
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oldState = array[adjustedLength - 1];
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const newState = `stateHash:${state}`;
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logger.log({state, oldState, basePath, stateMatches: (newState === oldState)}, "checking sync state");
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if (newState !== oldState) {
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return callback(new Errors.FilesOutOfSyncError("invalid state for incremental update"));
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} else {
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const resources = (Array.from(resourceList).map((path) => ({path})));
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return callback(null, resources);
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}
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});
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},
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checkResourceFiles: (resources, allFiles, basePath, callback = (error) ->) ->
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# check the paths are all relative to current directory
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for file in resources or []
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for dir in file?.path?.split('/')
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if dir == '..'
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return callback new Error("relative path in resource file list")
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# check if any of the input files are not present in list of files
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seenFile = {}
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for file in allFiles
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seenFile[file] = true
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missingFiles = (resource.path for resource in resources when not seenFile[resource.path])
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if missingFiles?.length > 0
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logger.err missingFiles:missingFiles, basePath:basePath, allFiles:allFiles, resources:resources, "missing input files for project"
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return callback new Errors.FilesOutOfSyncError("resource files missing in incremental update")
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else
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callback()
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checkResourceFiles(resources, allFiles, basePath, callback) {
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// check the paths are all relative to current directory
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let file;
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if (callback == null) { callback = function(error) {}; }
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for (file of Array.from(resources || [])) {
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for (let dir of Array.from(__guard__(file != null ? file.path : undefined, x => x.split('/')))) {
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if (dir === '..') {
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return callback(new Error("relative path in resource file list"));
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}
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}
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}
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// check if any of the input files are not present in list of files
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const seenFile = {};
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for (file of Array.from(allFiles)) {
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seenFile[file] = true;
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}
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const missingFiles = (Array.from(resources).filter((resource) => !seenFile[resource.path]).map((resource) => resource.path));
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if ((missingFiles != null ? missingFiles.length : undefined) > 0) {
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logger.err({missingFiles, basePath, allFiles, resources}, "missing input files for project");
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return callback(new Errors.FilesOutOfSyncError("resource files missing in incremental update"));
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} else {
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return callback();
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}
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}
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});
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function __guard__(value, transform) {
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return (typeof value !== 'undefined' && value !== null) ? transform(value) : undefined;
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}
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