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refactor: finer grained binding types for setup

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This commit is contained in:
Evan You
2020-11-18 15:17:50 -05:00
parent 760443dca6
commit 4449fc3b9e
5 changed files with 161 additions and 102 deletions
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49
packages/compiler-sfc/src/compileScript.ts
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@@ -159,11 +159,8 @@ export function compileScript(
source: string
}
> = Object.create(null)
const setupBindings: Record<
string,
BindingTypes.SETUP | BindingTypes.CONST
> = Object.create(null)
const refBindings: Record<string, BindingTypes.SETUP> = Object.create(null)
const setupBindings: Record<string, BindingTypes> = Object.create(null)
const refBindings: Record<string, BindingTypes> = Object.create(null)
const refIdentifiers: Set<Identifier> = new Set()
const enableRefSugar = options.refSugar !== false
let defaultExport: Node | undefined
@@ -311,7 +308,7 @@ export function compileScript(
if (id.name[0] === '$') {
error(`ref variable identifiers cannot start with $.`, id)
}
refBindings[id.name] = setupBindings[id.name] = BindingTypes.SETUP
refBindings[id.name] = setupBindings[id.name] = BindingTypes.SETUP_CONST_REF
refIdentifiers.add(id)
}
@@ -787,8 +784,8 @@ export function compileScript(
}
for (const [key, { source }] of Object.entries(userImports)) {
bindingMetadata[key] = source.endsWith('.vue')
? BindingTypes.CONST
: BindingTypes.SETUP
? BindingTypes.SETUP_CONST
: BindingTypes.SETUP_CONST_REF
}
for (const key in setupBindings) {
bindingMetadata[key] = setupBindings[key]
@@ -966,8 +963,10 @@ function walkDeclaration(
init!.type !== 'Identifier' && // const a = b
init!.type !== 'CallExpression' && // const a = ref()
init!.type !== 'MemberExpression') // const a = b.c
? BindingTypes.CONST
: BindingTypes.SETUP
? BindingTypes.SETUP_CONST
: isConst
? BindingTypes.SETUP_CONST_REF
: BindingTypes.SETUP_LET
} else if (id.type === 'ObjectPattern') {
walkObjectPattern(id, bindings, isConst, isUseOptionsCall)
} else if (id.type === 'ArrayPattern') {
@@ -980,7 +979,7 @@ function walkDeclaration(
) {
// export function foo() {} / export class Foo {}
// export declarations must be named.
bindings[node.id!.name] = BindingTypes.CONST
bindings[node.id!.name] = BindingTypes.SETUP_CONST
}
}
@@ -997,8 +996,10 @@ function walkObjectPattern(
if (p.key === p.value) {
// const { x } = ...
bindings[p.key.name] = isUseOptionsCall
? BindingTypes.CONST
: BindingTypes.SETUP
? BindingTypes.SETUP_CONST
: isConst
? BindingTypes.SETUP_CONST_REF
: BindingTypes.SETUP_LET
} else {
walkPattern(p.value, bindings, isConst, isUseOptionsCall)
}
@@ -1007,8 +1008,8 @@ function walkObjectPattern(
// ...rest
// argument can only be identifer when destructuring
bindings[(p.argument as Identifier).name] = isConst
? BindingTypes.CONST
: BindingTypes.SETUP
? BindingTypes.SETUP_CONST
: BindingTypes.SETUP_LET
}
}
}
@@ -1032,13 +1033,15 @@ function walkPattern(
) {
if (node.type === 'Identifier') {
bindings[node.name] = isUseOptionsCall
? BindingTypes.CONST
: BindingTypes.SETUP
? BindingTypes.SETUP_CONST
: isConst
? BindingTypes.SETUP_CONST_REF
: BindingTypes.SETUP_LET
} else if (node.type === 'RestElement') {
// argument can only be identifer when destructuring
bindings[(node.argument as Identifier).name] = isConst
? BindingTypes.CONST
: BindingTypes.SETUP
? BindingTypes.SETUP_CONST
: BindingTypes.SETUP_LET
} else if (node.type === 'ObjectPattern') {
walkObjectPattern(node, bindings, isConst)
} else if (node.type === 'ArrayPattern') {
@@ -1046,8 +1049,10 @@ function walkPattern(
} else if (node.type === 'AssignmentPattern') {
if (node.left.type === 'Identifier') {
bindings[node.left.name] = isUseOptionsCall
? BindingTypes.CONST
: BindingTypes.SETUP
? BindingTypes.SETUP_CONST
: isConst
? BindingTypes.SETUP_CONST_REF
: BindingTypes.SETUP_LET
} else {
walkPattern(node.left, bindings, isConst)
}
@@ -1490,7 +1495,7 @@ function analyzeBindingsFromOptions(node: ObjectExpression): BindingMetadata {
for (const key of getObjectExpressionKeys(bodyItem.argument)) {
bindings[key] =
property.key.name === 'setup'
? BindingTypes.SETUP
? BindingTypes.SETUP_CONST_REF
: BindingTypes.DATA
}
}