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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 | 89x 89x 89x 89x 89x 89x 89x 1831x 30x 30x 30x 30x 30x 5x 5x 30x 5x 5x 30x 2x 30x 30x 89x 47x 47x 47x 47x 24x 24x 11x 11x 6x 5x 5x 13x 4x 9x 7x 9x 47x 9x 9x 9x 1x 47x | import { NodeTransform, TransformContext } from '../transform' import { NodeTypes, CallExpression, createCallExpression, ExpressionNode, SlotOutletNode, createFunctionExpression } from '../ast' import { isSlotOutlet, isStaticArgOf, isStaticExp } from '../utils' import { buildProps, PropsExpression } from './transformElement' import { createCompilerError, ErrorCodes } from '../errors' import { RENDER_SLOT } from '../runtimeHelpers' import { camelize } from '@vue/shared/' export const transformSlotOutlet: NodeTransform = (node, context) => { if (isSlotOutlet(node)) { const { children, loc } = node const { slotName, slotProps } = processSlotOutlet(node, context) const slotArgs: CallExpression['arguments'] = [ context.prefixIdentifiers ? `_ctx.$slots` : `$slots`, slotName, '{}', 'undefined', 'true' ] let expectedLen = 2 if (slotProps) { slotArgs[2] = slotProps expectedLen = 3 } if (children.length) { slotArgs[3] = createFunctionExpression([], children, false, false, loc) expectedLen = 4 } if (context.scopeId && !context.slotted) { expectedLen = 5 } slotArgs.splice(expectedLen) // remove unused arguments node.codegenNode = createCallExpression( context.helper(RENDER_SLOT), slotArgs, loc ) } } interface SlotOutletProcessResult { slotName: string | ExpressionNode slotProps: PropsExpression | undefined } export function processSlotOutlet( node: SlotOutletNode, context: TransformContext ): SlotOutletProcessResult { let slotName: string | ExpressionNode = `"default"` let slotProps: PropsExpression | undefined = undefined const nonNameProps = [] for (let i = 0; i < node.props.length; i++) { const p = node.props[i] if (p.type === NodeTypes.ATTRIBUTE) { if (p.value) { if (p.name === 'name') { slotName = JSON.stringify(p.value.content) } else { p.name = camelize(p.name) nonNameProps.push(p) } } } else { if (p.name === 'bind' && isStaticArgOf(p.arg, 'name')) { if (p.exp) slotName = p.exp } else { if (p.name === 'bind' && p.arg && isStaticExp(p.arg)) { p.arg.content = camelize(p.arg.content) } nonNameProps.push(p) } } } if (nonNameProps.length > 0) { const { props, directives } = buildProps( node, context, nonNameProps, false, false ) slotProps = props if (directives.length) { context.onError( createCompilerError( ErrorCodes.X_V_SLOT_UNEXPECTED_DIRECTIVE_ON_SLOT_OUTLET, directives[0].loc ) ) } } return { slotName, slotProps } } |