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34 lines
883 B
34 lines
883 B
3 years ago
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/* @flow */
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import { addHandler, addAttr } from 'compiler/helpers'
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import { genComponentModel, genAssignmentCode } from 'compiler/directives/model'
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export default function model (
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el: ASTElement,
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dir: ASTDirective
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): ?boolean {
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if (el.tag === 'input' || el.tag === 'textarea') {
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genDefaultModel(el, dir.value, dir.modifiers)
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} else {
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genComponentModel(el, dir.value, dir.modifiers)
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}
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}
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function genDefaultModel (
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el: ASTElement,
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value: string,
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modifiers: ?ASTModifiers
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): ?boolean {
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const { lazy, trim, number } = modifiers || {}
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const event = lazy ? 'change' : 'input'
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let valueExpression = `$event.target.attr.value${trim ? '.trim()' : ''}`
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if (number) {
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valueExpression = `_n(${valueExpression})`
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}
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const code = genAssignmentCode(value, valueExpression)
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addAttr(el, 'value', `(${value})`)
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addHandler(el, event, code, null, true)
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}
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