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Make compatible with webpack 4 #12

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Make compatible with webpack 4 #12

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69 changes: 40 additions & 29 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,41 +20,52 @@ function StaticFilesWebpackPlugin (options) {
}
}

StaticFilesWebpackPlugin.prototype.apply = function (compiler) {
compiler.plugin('after-emit', function (compilation, callback) {
var map = compilation[staticMapKey] || {}
if (this.options.useRelativePaths) {
var relativePathBase
if (typeof this.options.useRelativePaths === 'string') {
relativePathBase = this.options.useRelativePaths
if (!path.isAbsolute(relativePathBase)) {
relativePathBase = path.join(process.cwd(), relativePathBase)
StaticFilesWebpackPlugin.prototype = {
constructor: StaticFilesWebpackPlugin,

apply: function (compiler) {
var afterEmit = function (compilation, callback) {
var map = compilation[staticMapKey] || {}
if (this.options.useRelativePaths) {
var relativePathBase
if (typeof this.options.useRelativePaths === 'string') {
relativePathBase = this.options.useRelativePaths
if (!path.isAbsolute(relativePathBase)) {
relativePathBase = path.join(process.cwd(), relativePathBase)
}
} else {
relativePathBase = process.cwd()
}
} else {
relativePathBase = process.cwd()

var replace = this.options.replace
var prefix = this.options.prefix ? this.options.prefix + path.sep : ''
map = Object.keys(map).reduce(function (mapAcc, filePath) {
var relativePath = filePath.replace(relativePathBase + path.sep, prefix)
relativePath = replace(relativePath)
mapAcc[relativePath] = map[filePath]
return mapAcc
}, {})
}

var replace = this.options.replace
var prefix = this.options.prefix ? this.options.prefix + path.sep : ''
map = Object.keys(map).reduce(function (mapAcc, filePath) {
var relativePath = filePath.replace(relativePathBase + path.sep, prefix)
relativePath = replace(relativePath)
mapAcc[relativePath] = map[filePath]
// Ensure that the keys in the map are sorted
map = Object.keys(map).sort().reduce(function (mapAcc, filePath) {
mapAcc[filePath] = map[filePath]
return mapAcc
}, {})
}

// Ensure that the keys in the map are sorted
map = Object.keys(map).sort().reduce(function (mapAcc, filePath) {
mapAcc[filePath] = map[filePath]
return mapAcc
}, {})

fs.writeFile(this.options.outputPath, JSON.stringify(map), function (err) {
if (err) throw err
callback()
})
}.bind(this))
fs.writeFile(this.options.outputPath, JSON.stringify(map), function (err) {
if (err) throw err
callback()
})
}.bind(this)

if (compiler.hooks) {
var plugin = { name: 'StaticFilesWebpackPlugin' }
compiler.hooks.afterEmit.tapAsync(plugin, afterEmit)
} else {
compiler.plugin('after-emit', afterEmit)
}
}
}

module.exports = StaticFilesWebpackPlugin
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