/opt/canhelp/node_modules/tailwindcss/src/util
Edit: /opt/canhelp/node_modules/tailwindcss/src/util/isSyntacticallyValidPropertyValue.js (1612B)
let matchingBrackets = new Map([
['{', '}'],
['[', ']'],
['(', ')'],
])
let inverseMatchingBrackets = new Map(
Array.from(matchingBrackets.entries()).map(([k, v]) => [v, k])
)
let quotes = new Set(['"', "'", '`'])
// Arbitrary values must contain balanced brackets (), [] and {}. Escaped
// values don't count, and brackets inside quotes also don't count.
//
// E.g.: w-[this-is]w-[weird-and-invalid]
// E.g.: w-[this-is\\]w-\\[weird-but-valid]
// E.g.: content-['this-is-also-valid]-weirdly-enough']
export default function isSyntacticallyValidPropertyValue(value) {
let stack = []
let inQuotes = false
for (let i = 0; i < value.length; i++) {
let char = value[i]
if (char === ':' && !inQuotes && stack.length === 0) {
return false
}
// Non-escaped quotes allow us to "allow" anything in between
if (quotes.has(char) && value[i - 1] !== '\\') {
inQuotes = !inQuotes
}
if (inQuotes) continue
if (value[i - 1] === '\\') continue // Escaped
if (matchingBrackets.has(char)) {
stack.push(char)
} else if (inverseMatchingBrackets.has(char)) {
let inverse = inverseMatchingBrackets.get(char)
// Nothing to pop from, therefore it is unbalanced
if (stack.length <= 0) {
return false
}
// Popped value must match the inverse value, otherwise it is unbalanced
if (stack.pop() !== inverse) {
return false
}
}
}
// If there is still something on the stack, it is also unbalanced
if (stack.length > 0) {
return false
}
// All good, totally balanced!
return true
}