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| ; | |
| Object.defineProperty(exports, "__esModule", { | |
| value: true | |
| }); | |
| Object.defineProperty(exports, // 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'] | |
| "default", { | |
| enumerable: true, | |
| get: function() { | |
| return isSyntacticallyValidPropertyValue; | |
| } | |
| }); | |
| let matchingBrackets = new Map([ | |
| [ | |
| "{", | |
| "}" | |
| ], | |
| [ | |
| "[", | |
| "]" | |
| ], | |
| [ | |
| "(", | |
| ")" | |
| ] | |
| ]); | |
| let inverseMatchingBrackets = new Map(Array.from(matchingBrackets.entries()).map(([k, v])=>[ | |
| v, | |
| k | |
| ])); | |
| let quotes = new Set([ | |
| '"', | |
| "'", | |
| "`" | |
| ]); | |
| 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; | |
| } | |