const fs = require('fs')
|
const path = require('path')
|
const { resolveCompiler } = require('./compiler')
|
|
const cache = new Map()
|
|
exports.setDescriptor = function setDescriptor(filename, entry) {
|
cache.set(cleanQuery(filename), entry)
|
}
|
|
exports.getDescriptor = function getDescriptor(
|
filename,
|
options,
|
loaderContext
|
) {
|
filename = cleanQuery(filename)
|
if (cache.has(filename)) {
|
return cache.get(filename)
|
}
|
|
// This function should only be called after the descriptor has been
|
// cached by the main loader.
|
// If this is somehow called without a cache hit, it's probably due to sub
|
// loaders being run in separate threads. The only way to deal with this is to
|
// read from disk directly...
|
const source = fs.readFileSync(filename, 'utf-8')
|
const sourceRoot = path.dirname(
|
path.relative(loaderContext.rootContext, loaderContext.resourcePath)
|
)
|
const { compiler, templateCompiler } = resolveCompiler(
|
loaderContext.rootContext
|
)
|
const descriptor = compiler.parse({
|
source,
|
compiler: options.compiler || templateCompiler,
|
filename,
|
sourceRoot,
|
needMap: loaderContext.sourceMap
|
})
|
cache.set(filename, descriptor)
|
return descriptor
|
}
|
|
function cleanQuery(str) {
|
const i = str.indexOf('?')
|
return i > 0 ? str.slice(0, i) : str
|
}
|
