Function parseEnumDecl

src/compiled/cognition/validate.js:21–52

Strip enum-style declared types like `enum<["a","b"]>` and return the literal set, or null.

(declared)

const logger_1 = require("../logger");
/** Strip enum-style declared types like `enum<["a","b"]>` and return the literal set, or null. */
function parseEnumDecl(declared) {
    const m = declared.match(/^enum<\[(.+)\]>$/);
    if (!m)
        return null;
    // Split on top-level commas. Items are JSON-quoted strings.
    const items = [];
    let buf = "";
    let depth = 0;
    for (const ch of m[1]) {
        if (ch === "[" || ch === "{" || ch === "(")
            depth++;
        if (ch === "]" || ch === "}" || ch === ")")
            depth--;
        if (ch === "," && depth === 0) {
            items.push(buf.trim());
            buf = "";
        }
        else
            buf += ch;
    }
    if (buf.trim())
        items.push(buf.trim());
    // Each item is a JSON-quoted string.
    return items.map(s => {
        try {
            return JSON.parse(s);
        }
        catch {
            return s.replace(/^["']|["']$/g, "");
        }
    });
}
/** True when the declared type is a recognised primitive. */
function declaredPrimitiveCheck(declared, value) {
    switch (declared) {