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/
utils.ts
145 lines (113 loc) · 3.46 KB
/
utils.ts
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import {
SFCDescriptor,
SFCBlock,
SFCCustomBlock
} from '@vue/component-compiler-utils'
import { createFilter } from 'rollup-pluginutils'
import * as queryString from 'querystring'
import * as path from 'path'
const GET_QUERY = /\.vue(\.[a-z]+?)?\?(.+)$/i
const PARAM_NAME = 'rollup-plugin-vue'
export interface VuePartRequest {
filename: string
meta: VuePartRequestMeta
}
export interface VuePartRequestMeta {
type: 'template' | 'script' | 'styles' | 'customBlocks'
lang: string
index?: number
}
export function createVueFilter(
include: Array<string | RegExp> | string | RegExp = [/\.vue$/i],
exclude: Array<string | RegExp> | string | RegExp = []
): (file: string) => boolean {
const filter = createFilter(include, exclude)
return id => filter(id)
}
export function getVueMetaFromQuery(id: string): VuePartRequestMeta | null {
const match = GET_QUERY.exec(id)
if (match) {
const query = queryString.parse(match[2])
if (PARAM_NAME in query) {
const data: string = (Array.isArray(query[PARAM_NAME])
? (query[PARAM_NAME] as any)[0]
: query[PARAM_NAME]) as string
let [type, index, lang] = data.split('.')
if (!/^(template|styles|script)$/i.test(type)) {
type = 'customBlocks'
}
return (lang
? { type, lang, index: parseInt(index) } // styles.0.css
: { type, lang: index }) as VuePartRequestMeta // script.js
}
}
return null
}
export function isVuePartRequest(id: string): boolean {
return getVueMetaFromQuery(id) !== null
}
export function createVuePartRequest(
filename: string,
lang: string | undefined,
type: string,
index?: number
): string {
lang = lang || DEFAULT_LANGS[type]
const match = GET_QUERY.exec(filename)
const query = match ? queryString.parse(match[2]) : {}
query[PARAM_NAME] = [type, index, lang]
.filter(it => it !== undefined)
.join('.')
return `${path.basename(filename)}?${queryString.stringify(query)}`
}
export const DEFAULT_LANGS: Record<string, string> = {
template: 'html',
style: 'css',
script: 'js',
docs: 'md',
i18n: 'json'
}
export function parseVuePartRequest(id: string): VuePartRequest | undefined {
if (!id.includes('.vue')) return
const filename = id.substr(0, id.lastIndexOf('.vue') + 4)
const params = getVueMetaFromQuery(id)
if (params === null) return
return {
filename,
meta: params
}
}
export function resolveVuePart(
descriptors: Map<string, SFCDescriptor>,
{ filename, meta }: VuePartRequest
): SFCBlock | SFCCustomBlock {
const descriptor = descriptors.get(filename)
if (!descriptor) throw Error('File not processed yet, ' + filename)
const blocks = descriptor[meta.type]
const block = Array.isArray(blocks) ? blocks[meta.index as number] : blocks
if (!block)
throw Error(
`Requested (type=${meta.type} & index=${
meta.index
}) block not found in ${filename}`
)
return block
}
export function transformRequireToImport(code: string): string {
const imports: { [key: string]: string } = {}
let strImports = ''
code = code.replace(
/require\(("(?:[^"\\]|\\.)+"|'(?:[^'\\]|\\.)+')\)/g,
(_, name): any => {
if (!(name in imports)) {
imports[name] = `__$_require_${name
.replace(/[^a-z0-9]/g, '_')
.replace(/_{2,}/g, '_')
.replace(/^_|_$/g, '')}__`
strImports += 'import ' + imports[name] + ' from ' + name + '\n'
}
return imports[name]
}
)
return strImports + code
}