mirror of
https://github.com/overleaf/overleaf.git
synced 2024-09-23 02:55:13 -04:00
103 lines
2.9 KiB
JavaScript
103 lines
2.9 KiB
JavaScript
/* eslint-disable
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handle-callback-err,
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max-len,
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*/
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// TODO: This file was created by bulk-decaffeinate.
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// Fix any style issues and re-enable lint.
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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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* 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 ProjectHelper
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const ENGINE_TO_COMPILER_MAP = {
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latex_dvipdf: 'latex',
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pdflatex: 'pdflatex',
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xelatex: 'xelatex',
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lualatex: 'lualatex'
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}
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module.exports = ProjectHelper = {
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compilerFromV1Engine(engine) {
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return ENGINE_TO_COMPILER_MAP[engine]
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},
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ensureNameIsUnique(nameList, name, suffixes, maxLength, callback) {
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// create a set of all project names
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if (suffixes == null) {
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suffixes = []
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}
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if (callback == null) {
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callback = function(error, name, changed) {}
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}
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const allNames = new Set(nameList)
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const isUnique = x => !allNames.has(x)
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// check if the supplied name is already unique
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if (isUnique(name)) {
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return callback(null, name, false)
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}
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// the name already exists, try adding the user-supplied suffixes to generate a unique name
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for (let suffix of Array.from(suffixes)) {
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const candidateName = ProjectHelper._addSuffixToProjectName(
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name,
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suffix,
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maxLength
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)
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if (isUnique(candidateName)) {
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return callback(null, candidateName, true)
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}
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}
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// if there are no (more) suffixes, use a numeric one
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const uniqueName = ProjectHelper._addNumericSuffixToProjectName(
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name,
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allNames,
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maxLength
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)
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if (uniqueName != null) {
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return callback(null, uniqueName, true)
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} else {
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return callback(
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new Error(`Failed to generate a unique name for: ${name}`)
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)
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}
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},
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_addSuffixToProjectName(name, suffix, maxLength) {
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// append the suffix and truncate the project title if needed
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if (suffix == null) {
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suffix = ''
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}
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const truncatedLength = maxLength - suffix.length
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return name.substr(0, truncatedLength) + suffix
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},
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_addNumericSuffixToProjectName(name, allProjectNames, maxLength) {
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const NUMERIC_SUFFIX_MATCH = / \((\d+)\)$/
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const suffixedName = function(basename, number) {
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const suffix = ` (${number})`
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return basename.substr(0, maxLength - suffix.length) + suffix
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}
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const match = name.match(NUMERIC_SUFFIX_MATCH)
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let basename = name
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let n = 1
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const last = allProjectNames.size + n
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if (match != null) {
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basename = name.replace(NUMERIC_SUFFIX_MATCH, '')
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n = parseInt(match[1])
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}
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while (n <= last) {
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const candidate = suffixedName(basename, n)
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if (!allProjectNames.has(candidate)) {
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return candidate
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}
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n += 1
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}
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return null
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}
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}
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