CODEWITHSUNDEEP
reactjstypescriptmaterial-ui
Grisecon Hillriegel
Grisecon Hillriegel

Reputation: 21

Object is unknown type - Material UI

This code is a direct copy from the React Material UI site

    <Select
                  id="selectedSubusecases"
                  multiple
                  value={stepsState.campaignOverviewStep.selectedSubUsecases}
                  onChange={handleChangeMultiple}
                  input={<Input id="select-multiple-chip" />}
                  renderValue={selected => (
                    <div className={classes.chips}>
                      {selected.map(value => (
                        <Chip
                          key={value}
                          label={value}
                          className={classes.chip}
                        />
                      ))}
                    </div>
                  )}
                  MenuProps={SubusecaseMenuProps}
                >

But when I try to use it I get "Object is of type unknown" for "selected" {selected.map(value => (

Upvotes: 1

Views: 1284

Answers (1)

Grisecon Hillriegel
Grisecon Hillriegel

Reputation: 21

I figured it out:

                    <div className={classes.chips}>
                      {(selected as string[]).map(value => (
                        <Chip
                          key={value}
                          label={value}
                          className={classes.chip}
                        />
                      ))}
                    </div>
                  )}```

Upvotes: 1

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