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refactor(compiler/types): convert compiler options documentation to j…
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…sdoc

BREAKING CHANGE: `getTextMode` compiler option signature has changed from

  ```ts
  (tag: string, ns: string, parent: ElementNode | undefined) => TextModes
  ```

  to

  ```ts
  (node: ElementNode, parent: ElementNode | undefined) => TextModes
  ```
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yyx990803 committed May 7, 2020
1 parent 304ab8c commit e58beec
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Showing 5 changed files with 123 additions and 49 deletions.
2 changes: 1 addition & 1 deletion packages/compiler-core/__tests__/parse.spec.ts
Original file line number Diff line number Diff line change
Expand Up @@ -2515,7 +2515,7 @@ foo
}
return ns
},
getTextMode: tag => {
getTextMode: ({ tag }) => {
if (tag === 'textarea') {
return TextModes.RCDATA
}
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164 changes: 119 additions & 45 deletions packages/compiler-core/src/options.ts
Original file line number Diff line number Diff line change
Expand Up @@ -9,23 +9,44 @@ import {
import { ParserPlugin } from '@babel/parser'

export interface ParserOptions {
// e.g. platform native elements, e.g. <div> for browsers
/**
* e.g. platform native elements, e.g. <div> for browsers
*/
isNativeTag?: (tag: string) => boolean
// e.g. native elements that can self-close, e.g. <img>, <br>, <hr>
/**
* e.g. native elements that can self-close, e.g. <img>, <br>, <hr>
*/
isVoidTag?: (tag: string) => boolean
// e.g. elements that should preserve whitespace inside, e.g. <pre>
/**
* e.g. elements that should preserve whitespace inside, e.g. <pre>
*/
isPreTag?: (tag: string) => boolean
// platform-specific built-in components e.g. <Transition>
/**
* Platform-specific built-in components e.g. <Transition>
*/
isBuiltInComponent?: (tag: string) => symbol | void
// separate option for end users to extend the native elements list
/**
* Separate option for end users to extend the native elements list
*/
isCustomElement?: (tag: string) => boolean
/**
* Get tag namespace
*/
getNamespace?: (tag: string, parent: ElementNode | undefined) => Namespace
/**
* Get text parsing mode for this element
*/
getTextMode?: (
tag: string,
ns: Namespace,
node: ElementNode,
parent: ElementNode | undefined
) => TextModes
delimiters?: [string, string] // ['{{', '}}']
/**
* @default ['{{', '}}']
*/
delimiters?: [string, string]
/**
* Only needed for DOM compilers
*/
decodeEntities?: (rawText: string, asAttr: boolean) => string
onError?: (error: CompilerError) => void
}
Expand All @@ -36,64 +57,117 @@ export type HoistTransform = (
) => JSChildNode

export interface TransformOptions {
/**
* An array of node trasnforms to be applied to every AST node.
*/
nodeTransforms?: NodeTransform[]
/**
* An object of { name: transform } to be applied to every directive attribute
* node found on element nodes.
*/
directiveTransforms?: Record<string, DirectiveTransform | undefined>
// an optional hook to transform a node being hoisted.
// used by compiler-dom to turn hoisted nodes into stringified HTML vnodes.
/**
* An optional hook to transform a node being hoisted.
* used by compiler-dom to turn hoisted nodes into stringified HTML vnodes.
* @default null
*/
transformHoist?: HoistTransform | null
/**
* If the pairing runtime provides additional built-in elements, use this to
* mark them as built-in so the compiler will generate component vnodes
* for them.
*/
isBuiltInComponent?: (tag: string) => symbol | void
// Transform expressions like {{ foo }} to `_ctx.foo`.
// If this option is false, the generated code will be wrapped in a
// `with (this) { ... }` block.
// - This is force-enabled in module mode, since modules are by default strict
// and cannot use `with`
// - Default: mode === 'module'
/**
* Transform expressions like {{ foo }} to `_ctx.foo`.
* If this option is false, the generated code will be wrapped in a
* `with (this) { ... }` block.
* - This is force-enabled in module mode, since modules are by default strict
* and cannot use `with`
* @default mode === 'module'
*/
prefixIdentifiers?: boolean
// Hoist static VNodes and props objects to `_hoisted_x` constants
// - Default: false
/**
* Hoist static VNodes and props objects to `_hoisted_x` constants
* @default false
*/
hoistStatic?: boolean
// Cache v-on handlers to avoid creating new inline functions on each render,
// also avoids the need for dynamically patching the handlers by wrapping it.
// e.g `@click="foo"` by default is compiled to `{ onClick: foo }`. With this
// option it's compiled to:
// `{ onClick: _cache[0] || (_cache[0] = e => _ctx.foo(e)) }`
// - Requires "prefixIdentifiers" to be enabled because it relies on scope
// analysis to determine if a handler is safe to cache.
// - Default: false
/**
* Cache v-on handlers to avoid creating new inline functions on each render,
* also avoids the need for dynamically patching the handlers by wrapping it.
* e.g `@click="foo"` by default is compiled to `{ onClick: foo }`. With this
* option it's compiled to:
* ```js
* { onClick: _cache[0] || (_cache[0] = e => _ctx.foo(e)) }
* ```
* - Requires "prefixIdentifiers" to be enabled because it relies on scope
* analysis to determine if a handler is safe to cache.
* @default false
*/
cacheHandlers?: boolean
// a list of parser plugins to enable for @babel/parser
// https://babeljs.io/docs/en/next/babel-parser#plugins
/**
* A list of parser plugins to enable for `@babel/parser`, which is used to
* parse expressions in bindings and interpolations.
* https://babeljs.io/docs/en/next/babel-parser#plugins
*/
expressionPlugins?: ParserPlugin[]
// SFC scoped styles ID
/**
* SFC scoped styles ID
*/
scopeId?: string | null
/**
* Generate SSR-optimized render functions instead.
* The resulting funciton must be attached to the component via the
* `ssrRender` option instead of `render`.
*/
ssr?: boolean
onError?: (error: CompilerError) => void
}

export interface CodegenOptions {
// - Module mode will generate ES module import statements for helpers
// and export the render function as the default export.
// - Function mode will generate a single `const { helpers... } = Vue`
// statement and return the render function. It is meant to be used with
// `new Function(code)()` to generate a render function at runtime.
// - Default: 'function'
/**
* - `module` mode will generate ES module import statements for helpers
* and export the render function as the default export.
* - `function` mode will generate a single `const { helpers... } = Vue`
* statement and return the render function. It expects `Vue` to be globally
* available (or passed by wrapping the code with an IIFE). It is meant to be
* used with `new Function(code)()` to generate a render function at runtime.
* @default 'function'
*/
mode?: 'module' | 'function'
// Generate source map?
// - Default: false
/**
* Generate source map?
* @default false
*/
sourceMap?: boolean
// Filename for source map generation.
// - Default: `template.vue.html`
/**
* Filename for source map generation.
* @default 'template.vue.html'
*/
filename?: string
// SFC scoped styles ID
/**
* SFC scoped styles ID
*/
scopeId?: string | null
// we need to know about this to generate proper preambles
prefixIdentifiers?: boolean
// option to optimize helper import bindings via variable assignment
// (only used for webpack code-split)
/**
* Option to optimize helper import bindings via variable assignment
* (only used for webpack code-split)
* @default false
*/
optimizeBindings?: boolean
// for specifying where to import helpers
/**
* Customize where to import runtime helpers from.
* @default 'vue'
*/
runtimeModuleName?: string
/**
* Customize the global variable name of `Vue` to get helpers from
* in function mode
* @default 'Vue'
*/
runtimeGlobalName?: string
// we need to know this during codegen to generate proper preambles
prefixIdentifiers?: boolean
// generate ssr-specific code?
ssr?: boolean
}
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2 changes: 1 addition & 1 deletion packages/compiler-core/src/parse.ts
Original file line number Diff line number Diff line change
Expand Up @@ -373,7 +373,7 @@ function parseElement(

// Children.
ancestors.push(element)
const mode = context.options.getTextMode(element.tag, element.ns, parent)
const mode = context.options.getTextMode(element, parent)
const children = parseChildren(context, mode, ancestors)
ancestors.pop()

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2 changes: 1 addition & 1 deletion packages/compiler-dom/src/parserOptions.ts
Original file line number Diff line number Diff line change
Expand Up @@ -86,7 +86,7 @@ export const parserOptions: ParserOptions = {
},

// https://html.spec.whatwg.org/multipage/parsing.html#parsing-html-fragments
getTextMode(tag: string, ns: DOMNamespaces): TextModes {
getTextMode({ tag, ns }: ElementNode): TextModes {
if (ns === DOMNamespaces.HTML) {
if (tag === 'textarea' || tag === 'title') {
return TextModes.RCDATA
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2 changes: 1 addition & 1 deletion packages/compiler-sfc/src/parse.ts
Original file line number Diff line number Diff line change
Expand Up @@ -96,7 +96,7 @@ export function parse(
isNativeTag: () => true,
// preserve all whitespaces
isPreTag: () => true,
getTextMode: (tag, _ns, parent) => {
getTextMode: ({ tag }, parent) => {
// all top level elements except <template> are parsed as raw text
// containers
if (!parent && tag !== 'template') {
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