// LoadFunctions reads the ./functions directory, populating the Functions field.
// If no `names` are specified, all functions are loaded.
func (p *Project) LoadFunctions(names ...string) error {
dir := filepath.Join(p.Path, functionsDir)
p.Log.Debugf("loading functions in %s", dir)
existing, err := p.FunctionDirNames()
if err != nil {
return err
}
if len(names) == 0 {
names = existing
}
for _, name := range names {
if !utils.ContainsString(existing, name) {
p.Log.Warnf("function %q does not exist in project", name)
continue
}
fn, err := p.LoadFunction(name)
if err != nil {
return err
}
p.Functions = append(p.Functions, fn)
}
if len(p.Functions) == 0 {
return errors.New("no function loaded")
}
return nil
}
// output (deduped) functions.
func functions(args []string) {
files, err := ioutil.ReadDir("functions")
if err != nil {
return
}
for _, file := range files {
if !utils.ContainsString(args, file.Name()) {
fmt.Printf("%s ", file.Name())
}
}
}
func Test_ContainsString(t *testing.T) {
assert.True(t, utils.ContainsString([]string{"a", "b"}, "a"))
assert.False(t, utils.ContainsString([]string{"a", "b"}, "c"))
}