@iconify/utils
Version:
Common functions for working with Iconify icon sets used by various packages.
58 lines (55 loc) • 1.75 kB
JavaScript
;
const matchIconName = /^[a-z0-9]+(-[a-z0-9]+)*$/;
const stringToIcon = (value, validate, allowSimpleName, provider = "") => {
const colonSeparated = value.split(":");
if (value.slice(0, 1) === "@") {
if (colonSeparated.length < 2 || colonSeparated.length > 3) {
return null;
}
provider = colonSeparated.shift().slice(1);
}
if (colonSeparated.length > 3 || !colonSeparated.length) {
return null;
}
if (colonSeparated.length > 1) {
const name2 = colonSeparated.pop();
const prefix = colonSeparated.pop();
const result = {
// Allow provider without '@': "provider:prefix:name"
provider: colonSeparated.length > 0 ? colonSeparated[0] : provider,
prefix,
name: name2
};
return validate && !validateIconName(result) ? null : result;
}
const name = colonSeparated[0];
const dashSeparated = name.split("-");
if (dashSeparated.length > 1) {
const result = {
provider,
prefix: dashSeparated.shift(),
name: dashSeparated.join("-")
};
return validate && !validateIconName(result) ? null : result;
}
if (allowSimpleName && provider === "") {
const result = {
provider,
prefix: "",
name
};
return validate && !validateIconName(result, allowSimpleName) ? null : result;
}
return null;
};
const validateIconName = (icon, allowSimpleName) => {
if (!icon) {
return false;
}
return !!// Check prefix: cannot be empty, unless allowSimpleName is enabled
// Check name: cannot be empty
((allowSimpleName && icon.prefix === "" || !!icon.prefix) && !!icon.name);
};
exports.matchIconName = matchIconName;
exports.stringToIcon = stringToIcon;
exports.validateIconName = validateIconName;