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automatisch/packages/backend/src/apps/code/actions/run-javascript/index.js
2024-08-05 13:46:41 +00:00

73 lines
1.9 KiB
JavaScript

import defineAction from '../../../../helpers/define-action.js';
export default defineAction({
name: 'Run Javascript',
key: 'runJavascript',
description:
'Run browser Javascript code. You can not use NodeJS specific features and npm packages.',
arguments: [
{
label: 'Inputs',
key: 'inputs',
type: 'dynamic',
required: false,
description:
'To be able to use data from previous steps, you need to expose them as input entries. You can access these input values in your code by using the `inputs` argument.',
value: [
{
key: '',
value: '',
},
],
fields: [
{
label: 'Key',
key: 'key',
type: 'string',
required: true,
variables: true,
},
{
label: 'Value',
key: 'value',
type: 'string',
required: true,
variables: true,
},
],
},
{
label: 'Code Snippet',
key: 'codeSnippet',
type: 'code',
required: true,
variables: false,
value: 'const code = async (inputs) => { \n return true;\n};',
},
],
async run($) {
const { inputs = [], codeSnippet } = $.step.parameters;
const objectifiedInput = {};
for (const input of inputs) {
objectifiedInput[input.key] = input.value;
}
const ivm = (await import('isolated-vm')).default;
const isolate = new ivm.Isolate({ memoryLimit: 128 });
try {
const context = await isolate.createContext();
await context.global.set('inputs', new ivm.ExternalCopy(objectifiedInput).copyInto())
const compiledCodeSnippet = await isolate.compileScript(`${codeSnippet}; code(inputs);`);
const codeFunction = await compiledCodeSnippet.run(context, { reference: true, promise: true });
$.setActionItem({ raw: { output: await codeFunction.copy() } });
} finally {
isolate.dispose();
}
},
});