Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 | 84x 84x 84x 84x 84x 210x 210x 210x 2x 2x 208x 8x 210x 3x 2x 1x 1x 1x 1x 210x 152x 5x 152x 1x 210x 2x 2x 208x 84x 6x 5x 4x 1x 1x 1x | import { DirectiveTransform } from '../transform'
import {
createObjectProperty,
createSimpleExpression,
ExpressionNode,
NodeTypes
} from '../ast'
import { createCompilerError, ErrorCodes } from '../errors'
import { camelize } from '@vue/shared'
import { CAMELIZE } from '../runtimeHelpers'
// v-bind without arg is handled directly in ./transformElements.ts due to it affecting
// codegen for the entire props object. This transform here is only for v-bind
// *with* args.
export const transformBind: DirectiveTransform = (dir, _node, context) => {
const { exp, modifiers, loc } = dir
const arg = dir.arg!
if (arg.type !== NodeTypes.SIMPLE_EXPRESSION) {
arg.children.unshift(`(`)
arg.children.push(`) || ""`)
} else if (!arg.isStatic) {
arg.content = `${arg.content} || ""`
}
// .sync is replaced by v-model:arg
if (modifiers.includes('camel')) {
if (arg.type === NodeTypes.SIMPLE_EXPRESSION) {
if (arg.isStatic) {
arg.content = camelize(arg.content)
} else {
arg.content = `${context.helperString(CAMELIZE)}(${arg.content})`
}
} else {
arg.children.unshift(`${context.helperString(CAMELIZE)}(`)
arg.children.push(`)`)
}
}
if (!context.inSSR) {
if (modifiers.includes('prop')) {
injectPrefix(arg, '.')
}
if (modifiers.includes('attr')) {
injectPrefix(arg, '^')
}
}
if (
!exp ||
(exp.type === NodeTypes.SIMPLE_EXPRESSION && !exp.content.trim())
) {
context.onError(createCompilerError(ErrorCodes.X_V_BIND_NO_EXPRESSION, loc))
return {
props: [createObjectProperty(arg, createSimpleExpression('', true, loc))]
}
}
return {
props: [createObjectProperty(arg, exp)]
}
}
const injectPrefix = (arg: ExpressionNode, prefix: string) => {
if (arg.type === NodeTypes.SIMPLE_EXPRESSION) {
if (arg.isStatic) {
arg.content = prefix + arg.content
} else {
arg.content = `\`${prefix}\${${arg.content}}\``
}
} else {
arg.children.unshift(`'${prefix}' + (`)
arg.children.push(`)`)
}
}
|