Do not crash if explainshell server is down or misconfigured

Fixes bash-lsp#61

Author: skovhus

server/src/server.ts

@@ -201,22 +201,28 @@ export default class BashServer {
  const explainshellEndpoint = config.getExplainshellEndpoint()
  if (explainshellEndpoint) {
  this.connection.console.log(`Query ${explainshellEndpoint}`)
- const response = await this.analyzer.getExplainshellDocumentation({
- params,
- endpoint: explainshellEndpoint,
- })
+ try {
+ const response = await this.analyzer.getExplainshellDocumentation({
+ params,
+ endpoint: explainshellEndpoint,
+ })
 
- if (response.status === 'error') {
- this.connection.console.log(
- `getExplainshellDocumentation returned: ${JSON.stringify(response, null, 4)}`,
- )
- } else {
- return {
- contents: {
- kind: 'markdown',
- value: new TurndownService().turndown(response.helpHTML),
- },
+ if (response.status === 'error') {
+ this.connection.console.log(
+ `getExplainshellDocumentation returned: ${JSON.stringify(response, null, 4)}`,
+ )
+ } else {
+ return {
+ contents: {
+ kind: 'markdown',
+ value: new TurndownService().turndown(response.helpHTML),
+ },
+ }
  }
+ } catch (error) {
+ this.connection.console.warn(
+ `getExplainshellDocumentation exception: ${error.message}`,
+ )
  }
  }