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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 | 15x 3x 9x 12x 6x 2x 2x 4x 5x 6x 5x 4x 4x 11x 1x 1x 3x 3x | import { isArray, isObject, isString } from '@vue/shared'
import { warn } from '@vue/runtime-dom'
export function ssrRenderList(
source: unknown,
renderItem: (value: unknown, key: string | number, index?: number) => void,
): void {
if (isArray(source) || isString(source)) {
for (let i = 0, l = source.length; i < l; i++) {
renderItem(source[i], i)
}
} else if (typeof source === 'number') {
if (__DEV__ && (!Number.isInteger(source) || source < 0)) {
warn(
`The v-for range expects a positive integer value but got ${source}.`,
)
return
}
for (let i = 0; i < source; i++) {
renderItem(i + 1, i)
}
} else if (isObject(source)) {
if (source[Symbol.iterator as any]) {
let i = 0
for (const item of source as Iterable<any>) {
renderItem(item, i++)
}
} else {
const keys = Object.keys(source)
for (let i = 0, l = keys.length; i < l; i++) {
const key = keys[i]
renderItem(source[key], key, i)
}
}
}
}
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