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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 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 | 56x 56x 56x 56x 56x 56x 56x 56x 18x 18x 18x 18x 25x 25x 1x 24x 4x 20x 4x 2x 1x 1x 2x 2x 16x 9x 7x 18x 56x 4x 4x 56x 50x 50x 50x 18x 18x 18x 2x 18x 2x 18x 10x 18x 10x 18x 4x 4x 18x | import {
transformOn as baseTransform,
DirectiveTransform,
createObjectProperty,
createCallExpression,
createSimpleExpression,
NodeTypes,
createCompoundExpression,
ExpressionNode,
SimpleExpressionNode,
isStaticExp,
CompilerDeprecationTypes,
TransformContext,
SourceLocation,
checkCompatEnabled
} from '@vue/compiler-core'
import { V_ON_WITH_MODIFIERS, V_ON_WITH_KEYS } from '../runtimeHelpers'
import { makeMap, capitalize } from '@vue/shared'
const isEventOptionModifier = /*#__PURE__*/ makeMap(`passive,once,capture`)
const isNonKeyModifier = /*#__PURE__*/ makeMap(
// event propagation management
`stop,prevent,self,` +
// system modifiers + exact
`ctrl,shift,alt,meta,exact,` +
// mouse
`middle`
)
// left & right could be mouse or key modifiers based on event type
const maybeKeyModifier = /*#__PURE__*/ makeMap('left,right')
const isKeyboardEvent = /*#__PURE__*/ makeMap(
`onkeyup,onkeydown,onkeypress`,
true
)
const resolveModifiers = (
key: ExpressionNode,
modifiers: string[],
context: TransformContext,
loc: SourceLocation
) => {
const keyModifiers = []
const nonKeyModifiers = []
const eventOptionModifiers = []
for (let i = 0; i < modifiers.length; i++) {
const modifier = modifiers[i]
if (
__COMPAT__ &&
modifier === 'native' &&
checkCompatEnabled(
CompilerDeprecationTypes.COMPILER_V_ON_NATIVE,
context,
loc
)
) {
eventOptionModifiers.push(modifier)
} else if (isEventOptionModifier(modifier)) {
// eventOptionModifiers: modifiers for addEventListener() options,
// e.g. .passive & .capture
eventOptionModifiers.push(modifier)
} else {
// runtimeModifiers: modifiers that needs runtime guards
if (maybeKeyModifier(modifier)) {
if (isStaticExp(key)) {
if (isKeyboardEvent((key as SimpleExpressionNode).content)) {
keyModifiers.push(modifier)
} else {
nonKeyModifiers.push(modifier)
}
} else {
keyModifiers.push(modifier)
nonKeyModifiers.push(modifier)
}
} else {
if (isNonKeyModifier(modifier)) {
nonKeyModifiers.push(modifier)
} else {
keyModifiers.push(modifier)
}
}
}
}
return {
keyModifiers,
nonKeyModifiers,
eventOptionModifiers
}
}
const transformClick = (key: ExpressionNode, event: string) => {
const isStaticClick =
isStaticExp(key) && key.content.toLowerCase() === 'onclick'
return isStaticClick
? createSimpleExpression(event, true)
: key.type !== NodeTypes.SIMPLE_EXPRESSION
? createCompoundExpression([
`(`,
key,
`) === "onClick" ? "${event}" : (`,
key,
`)`
])
: key
}
export const transformOn: DirectiveTransform = (dir, node, context) => {
return baseTransform(dir, node, context, baseResult => {
const { modifiers } = dir
if (!modifiers.length) return baseResult
let { key, value: handlerExp } = baseResult.props[0]
const { keyModifiers, nonKeyModifiers, eventOptionModifiers } =
resolveModifiers(key, modifiers, context, dir.loc)
// normalize click.right and click.middle since they don't actually fire
if (nonKeyModifiers.includes('right')) {
key = transformClick(key, `onContextmenu`)
}
if (nonKeyModifiers.includes('middle')) {
key = transformClick(key, `onMouseup`)
}
if (nonKeyModifiers.length) {
handlerExp = createCallExpression(context.helper(V_ON_WITH_MODIFIERS), [
handlerExp,
JSON.stringify(nonKeyModifiers)
])
}
if (
keyModifiers.length &&
// if event name is dynamic, always wrap with keys guard
(!isStaticExp(key) || isKeyboardEvent(key.content))
) {
handlerExp = createCallExpression(context.helper(V_ON_WITH_KEYS), [
handlerExp,
JSON.stringify(keyModifiers)
])
}
if (eventOptionModifiers.length) {
const modifierPostfix = eventOptionModifiers.map(capitalize).join('')
key = isStaticExp(key)
? createSimpleExpression(`${key.content}${modifierPostfix}`, true)
: createCompoundExpression([`(`, key, `) + "${modifierPostfix}"`])
}
return {
props: [createObjectProperty(key, handlerExp)]
}
})
}
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