/
template.ts
174 lines (161 loc) · 4.38 KB
/
template.ts
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import path from 'path'
import slash from 'slash'
import {
compileTemplate,
SFCDescriptor,
SFCTemplateCompileOptions
} from '@vue/compiler-sfc'
import { PluginContext, TransformPluginContext } from 'rollup'
import { ResolvedOptions } from '.'
import { getResolvedScript } from './script'
import { createRollupError } from './utils/error'
export function transformTemplateAsModule(
code: string,
descriptor: SFCDescriptor,
options: ResolvedOptions,
pluginContext: TransformPluginContext,
ssr: boolean
) {
const result = compile(code, descriptor, options, pluginContext, ssr)
let returnCode = result.code
if (
options.devServer &&
options.devServer.config.server.hmr !== false &&
!ssr &&
!options.isProduction
) {
returnCode += `\nimport.meta.hot.accept(({ render }) => {
__VUE_HMR_RUNTIME__.rerender(${JSON.stringify(descriptor.id)}, render)
})`
}
return {
code: returnCode,
map: result.map as any
}
}
/**
* transform the template directly in the main SFC module
*/
export function transformTemplateInMain(
code: string,
descriptor: SFCDescriptor,
options: ResolvedOptions,
pluginContext: PluginContext,
ssr: boolean
) {
const result = compile(code, descriptor, options, pluginContext, ssr)
return {
...result,
code: result.code.replace(
/\nexport (function|const) (render|ssrRender)/,
'\n$1 _sfc_$2'
)
}
}
export function compile(
code: string,
descriptor: SFCDescriptor,
options: ResolvedOptions,
pluginContext: PluginContext,
ssr: boolean
) {
const filename = descriptor.filename
const result = compileTemplate({
...resolveTemplateCompilerOptions(descriptor, options, ssr)!,
source: code
})
if (result.errors.length) {
result.errors.forEach((error) =>
pluginContext.error(
typeof error === 'string'
? { id: filename, message: error }
: createRollupError(filename, error)
)
)
}
if (result.tips.length) {
result.tips.forEach((tip) =>
pluginContext.warn({
id: filename,
message: tip
})
)
}
return result
}
export function resolveTemplateCompilerOptions(
descriptor: SFCDescriptor,
options: ResolvedOptions,
ssr: boolean
): Omit<SFCTemplateCompileOptions, 'source'> | undefined {
const block = descriptor.template
if (!block) {
return
}
const resolvedScript = getResolvedScript(descriptor, ssr)
const hasScoped = descriptor.styles.some((s) => s.scoped)
const { id, filename, cssVars } = descriptor
let transformAssetUrls = options.template?.transformAssetUrls
let assetUrlOptions
if (options.devServer) {
// during dev, inject vite base so that @vue/compiler-sfc can transform
// relative paths directly to absolute paths without incurring an extra import
// request
if (filename.startsWith(options.root)) {
assetUrlOptions = {
base:
options.devServer.config.base +
slash(path.relative(options.root, path.dirname(filename)))
}
}
} else {
// build: force all asset urls into import requests so that they go through
// the assets plugin for asset registration
assetUrlOptions = {
includeAbsolute: true
}
}
if (transformAssetUrls && typeof transformAssetUrls === 'object') {
// presence of array fields means this is raw tags config
if (
Object.keys(transformAssetUrls).some((key) =>
Array.isArray((transformAssetUrls as any)[key])
)
) {
transformAssetUrls = {
...assetUrlOptions,
tags: transformAssetUrls as any
}
} else {
transformAssetUrls = { ...transformAssetUrls, ...assetUrlOptions }
}
} else {
transformAssetUrls = assetUrlOptions
}
let preprocessOptions = block.lang && options.template?.preprocessOptions
if (block.lang === 'pug') {
preprocessOptions = {
doctype: 'html',
...preprocessOptions
}
}
return {
...options.template,
id,
filename,
scoped: hasScoped,
slotted: descriptor.slotted,
isProd: options.isProduction,
inMap: block.src ? undefined : block.map,
ssr,
ssrCssVars: cssVars,
transformAssetUrls,
preprocessLang: block.lang,
preprocessOptions,
compilerOptions: {
...options.template?.compilerOptions,
scopeId: hasScoped ? `data-v-${id}` : undefined,
bindingMetadata: resolvedScript ? resolvedScript.bindings : undefined
}
}
}