astro/packages/integrations/react/context.js
2023-05-04 14:25:03 +00:00

24 lines
518 B
JavaScript

const contexts = new WeakMap();
const ID_PREFIX = 'r';
function getContext(rendererContextResult) {
if (contexts.has(rendererContextResult)) {
return contexts.get(rendererContextResult);
}
const ctx = {
currentIndex: 0,
get id() {
return ID_PREFIX + this.currentIndex.toString();
},
};
contexts.set(rendererContextResult, ctx);
return ctx;
}
export function incrementId(rendererContextResult) {
const ctx = getContext(rendererContextResult);
const id = ctx.id;
ctx.currentIndex++;
return id;
}