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81 lines
1.8 KiB
81 lines
1.8 KiB
const fs = require('fs')
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const path = require('path')
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const mkdirp = require('mkdirp')
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const BJSON = require('buffer-json')
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const {
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getPartialIdentifier
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} = require('./util')
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const directories = new Set()
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function write (key, data, callback) {
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const dirname = path.dirname(key)
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// template,缓存 mp template
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if (
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data.remainingRequest.indexOf('vue&type=template') !== -1 &&
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process.UNI_CACHE_TEMPLATES
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) {
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data.mpTemplates = process.UNI_CACHE_TEMPLATES
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delete process.UNI_CACHE_TEMPLATES
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}
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const content = BJSON.stringify(data)
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if (directories.has(dirname)) {
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// for performance skip creating directory
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fs.writeFile(key, content, 'utf-8', callback)
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} else {
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mkdirp(dirname, (mkdirErr) => {
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if (mkdirErr) {
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callback(mkdirErr)
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return
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}
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directories.add(dirname)
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fs.writeFile(key, content, 'utf-8', callback)
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})
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}
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}
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function read (key, callback) {
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fs.readFile(key, 'utf-8', (err, content) => {
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if (err) {
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callback(err)
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return
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}
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try {
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const data = BJSON.parse(content)
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const mpTemplates = data.mpTemplates
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if (mpTemplates) {
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Object.keys(mpTemplates).forEach(name => {
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fs.writeFileSync(name, mpTemplates[name], 'utf-8')
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})
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}
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callback(null, data)
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} catch (e) {
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callback(e)
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}
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})
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}
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module.exports = {
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createTemplateCacheLoader: function (api, id = 'uni-template-compiler') {
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return {
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resourceQuery: /type=uni-cache-loader-template/,
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use: [{
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loader: 'cache-loader',
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ident: 'uni-cache-loader-template-options',
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options: Object.assign(api.genCacheConfig(
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id + '/' + process.env.UNI_PLATFORM,
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getPartialIdentifier()
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), {
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read,
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write
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})
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}]
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}
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}
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}
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