vue3-core/packages/shared/src/cssVars.ts

25 lines
605 B
TypeScript

/**
* Normalize CSS var value created by `v-bind` in `<style>` block
* See https://github.com/vuejs/core/pull/12461#issuecomment-2495804664
*/
export function normalizeCssVarValue(value: unknown): string {
if (value == null) {
return 'initial'
}
if (typeof value === 'string') {
return value === '' ? ' ' : value
}
if (typeof value !== 'number' || !Number.isFinite(value)) {
if (__DEV__) {
console.warn(
'[Vue warn] Invalid value used for CSS binding. Expected a string or a finite number but received:',
value,
)
}
}
return String(value)
}