49 lines
1.2 KiB
TypeScript
49 lines
1.2 KiB
TypeScript
import { execAsync, readFileAsync, timeout, GLib, type Variable } from 'astal';
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const { get_home_dir } = GLib;
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export default <T>({
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name,
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variable,
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condition = true,
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whenTrue = condition,
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whenFalse = false,
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}: {
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name: string
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variable: Variable<T>
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condition?: boolean | string
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whenTrue?: boolean | string
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whenFalse?: boolean | string
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}) => {
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const cacheFile = `${get_home_dir()}/.cache/ags/.${name}`;
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const stateCmd = () => ['bash', '-c',
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`echo ${variable.get() === condition} > ${cacheFile}`];
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const monitorState = () => {
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variable.subscribe(() => {
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execAsync(stateCmd()).catch(print);
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});
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};
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readFileAsync(cacheFile)
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.then((content) => {
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// JSON.parse was the only way I found to reliably
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// convert a string of 'true' or 'false' into a bool
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const value = (JSON.parse(content) ? whenTrue : whenFalse) as T;
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variable.set(value);
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timeout(1000, () => {
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monitorState();
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});
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})
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.catch(() => {
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execAsync(stateCmd())
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.then(() => {
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monitorState();
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})
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.catch(print);
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});
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};
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