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Add optional runtime config #420

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Add optional runtime config #420

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aa3ec44
modify how we handle runtime config
jvigliotta May 5, 2026
bb02d04
remove unused async
jvigliotta May 5, 2026
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19 changes: 18 additions & 1 deletion plugin.js
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,21 @@ import RealtimeSessions from './src/realtimeSessions/plugin.js';
import GlobalFilters from './src/globalFilters/plugin.js';
import ExportDataAction from './src/exportDataAction/plugin.js';

// optional runtime config
let runtimeConfig = {};

try {
const response = await fetch('./config.json', { cache: 'no-store' });

if (response.ok) {
runtimeConfig = await response.json();
} else if (response.status !== 404) {
console.warn(`Unable to load config.json: ${response.status}`);
}
} catch (error) {
console.warn('Unable to load config.json', error);
}

export default function openmctMCWSPlugin(options) {
return function install(openmct) {
const defaultConfig = {
Expand Down Expand Up @@ -156,7 +171,9 @@ export default function openmctMCWSPlugin(options) {
return item && typeof item === 'object' && !Array.isArray(item);
}

const config = deepMerge(defaultConfig, options || {});
// order of precedence: runtimeConfig, recipeConfig, defaultConfig
const recipeConfig = options || {};
const config = deepMerge(defaultConfig, deepMerge(recipeConfig, runtimeConfig));

if (config.useDeveloperStorage === undefined) {
// Attempt to define a reasonable default for developer storage that supports Open MCT build tool
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