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classNameFactory: Allow (& ignore) all sorts of falsy values (#1427)

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Justice Almanzar 2023-07-15 22:50:21 +00:00 committed by GitHub
parent 1340f023a3
commit a7e74ee4d5
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1 changed files with 3 additions and 3 deletions
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6
src/api/Styles.ts
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@ -141,7 +141,7 @@ export const compileStyle = (style: Style) => {
*/
export const classNameToSelector = (name: string, prefix = "") => name.split(" ").map(n => `.${prefix}${n}`).join("");
type ClassNameFactoryArg = string | string[] | Record<string, unknown>;
type ClassNameFactoryArg = string | string[] | Record<string, unknown> | false | null | undefined | 0 | "";
/**
* @param prefix The prefix to add to each class, defaults to `""`
* @returns A classname generator function
@ -154,9 +154,9 @@ type ClassNameFactoryArg = string | string[] | Record<string, unknown>;
export const classNameFactory = (prefix: string = "") => (...args: ClassNameFactoryArg[]) => {
const classNames = new Set<string>();
for (const arg of args) {
if (typeof arg === "string") classNames.add(arg);
if (arg && typeof arg === "string") classNames.add(arg);
else if (Array.isArray(arg)) arg.forEach(name => classNames.add(name));
else if (typeof arg === "object") Object.entries(arg).forEach(([name, value]) => value && classNames.add(name));
else if (arg && typeof arg === "object") Object.entries(arg).forEach(([name, value]) => value && classNames.add(name));
}
return Array.from(classNames, name => prefix + name).join(" ");
};