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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | 2x 2x 2x 2x 2x 2x 2x 2x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 167x 1015x 1015x 167x 167x 167x 69x 69x 98x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 98x 98x 98x 98x 98x 98x 98x 98x | import {
type ComponentInternalInstance,
type ComponentOptions,
warn,
} from 'vue'
import { compile } from '@vue/compiler-ssr'
import { NO, extend, generateCodeFrame, isFunction } from '@vue/shared'
import type { CompilerError, CompilerOptions } from '@vue/compiler-core'
import type { PushFn } from '../render'
import * as Vue from 'vue'
import * as helpers from '../internal'
type SSRRenderFunction = (
context: any,
push: PushFn,
parentInstance: ComponentInternalInstance,
) => void
const compileCache: Record<string, SSRRenderFunction> = Object.create(null)
export function ssrCompile(
template: string,
instance: ComponentInternalInstance,
): SSRRenderFunction {
// TODO: this branch should now work in ESM builds, enable it in a minor
if (!__CJS__) {
throw new Error(
`On-the-fly template compilation is not supported in the ESM build of ` +
`@vue/server-renderer. All templates must be pre-compiled into ` +
`render functions.`,
)
}
// TODO: This is copied from runtime-core/src/component.ts and should probably be refactored
const Component = instance.type as ComponentOptions
const { isCustomElement, compilerOptions } = instance.appContext.config
const { delimiters, compilerOptions: componentCompilerOptions } = Component
const finalCompilerOptions: CompilerOptions = extend(
extend(
{
isCustomElement,
delimiters,
},
compilerOptions,
),
componentCompilerOptions,
)
finalCompilerOptions.isCustomElement =
finalCompilerOptions.isCustomElement || NO
finalCompilerOptions.isNativeTag = finalCompilerOptions.isNativeTag || NO
const cacheKey = JSON.stringify(
{
template,
compilerOptions: finalCompilerOptions,
},
(key, value) => {
return isFunction(value) ? value.toString() : value
},
)
const cached = compileCache[cacheKey]
if (cached) {
return cached
}
finalCompilerOptions.onError = (err: CompilerError) => {
if (__DEV__) {
const message = `[@vue/server-renderer] Template compilation error: ${err.message}`
const codeFrame =
err.loc &&
generateCodeFrame(
template as string,
err.loc.start.offset,
err.loc.end.offset,
)
warn(codeFrame ? `${message}\n${codeFrame}` : message)
} else {
throw err
}
}
const { code } = compile(template, finalCompilerOptions)
const requireMap = {
vue: Vue,
'vue/server-renderer': helpers,
}
const fakeRequire = (id: 'vue' | 'vue/server-renderer') => requireMap[id]
return (compileCache[cacheKey] = Function('require', code)(fakeRequire))
}
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