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Runtime error
Runtime error
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/** @type {Record<string, string>} */
export const escaped = {
'<': '\\u003C',
'\\': '\\\\',
'\b': '\\b',
'\f': '\\f',
'\n': '\\n',
'\r': '\\r',
'\t': '\\t',
'\u2028': '\\u2028',
'\u2029': '\\u2029'
};
export class DevalueError extends Error {
/**
* @param {string} message
* @param {string[]} keys
*/
constructor(message, keys) {
super(message);
this.name = 'DevalueError';
this.path = keys.join('');
}
}
/** @param {any} thing */
export function is_primitive(thing) {
return Object(thing) !== thing;
}
const object_proto_names = /* @__PURE__ */ Object.getOwnPropertyNames(
Object.prototype
)
.sort()
.join('\0');
/** @param {any} thing */
export function is_plain_object(thing) {
const proto = Object.getPrototypeOf(thing);
return (
proto === Object.prototype ||
proto === null ||
Object.getOwnPropertyNames(proto).sort().join('\0') === object_proto_names
);
}
/** @param {any} thing */
export function get_type(thing) {
return Object.prototype.toString.call(thing).slice(8, -1);
}
/** @param {string} char */
function get_escaped_char(char) {
switch (char) {
case '"':
return '\\"';
case '<':
return '\\u003C';
case '\\':
return '\\\\';
case '\n':
return '\\n';
case '\r':
return '\\r';
case '\t':
return '\\t';
case '\b':
return '\\b';
case '\f':
return '\\f';
case '\u2028':
return '\\u2028';
case '\u2029':
return '\\u2029';
default:
return char < ' '
? `\\u${char.charCodeAt(0).toString(16).padStart(4, '0')}`
: '';
}
}
/** @param {string} str */
export function stringify_string(str) {
let result = '';
let last_pos = 0;
const len = str.length;
for (let i = 0; i < len; i += 1) {
const char = str[i];
const replacement = get_escaped_char(char);
if (replacement) {
result += str.slice(last_pos, i) + replacement;
last_pos = i + 1;
}
}
return `"${last_pos === 0 ? str : result + str.slice(last_pos)}"`;
}
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