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feat: Support LaTeX and AsciiMath via MathJax on stem.excalidraw.com

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This commit is contained in:
Daniel J. Geiger 2022-12-27 15:11:52 -06:00
parent c8370b394c
commit 86f5c2ebcf
84 changed files with 8331 additions and 289 deletions
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25
src/actions/guards.ts Normal file
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import { Action, ActionName, DisableFn, EnableFn } from "./types";
const disablers = {} as Record<ActionName, DisableFn[]>;
const enablers = {} as Record<Action["name"], EnableFn[]>;
export const getActionDisablers = () => disablers;
export const getActionEnablers = () => enablers;
export const registerDisableFn = (name: ActionName, disabler: DisableFn) => {
if (!(name in disablers)) {
disablers[name] = [] as DisableFn[];
}
if (!disablers[name].includes(disabler)) {
disablers[name].push(disabler);
}
};
export const registerEnableFn = (name: Action["name"], enabler: EnableFn) => {
if (!(name in enablers)) {
enablers[name] = [] as EnableFn[];
}
if (!enablers[name].includes(enabler)) {
enablers[name].push(enabler);
}
};