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56 lines
1.4 KiB
Go
56 lines
1.4 KiB
Go
package yaml
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import "fmt"
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func ConvertMapToJSONCompatible(m map[string]interface{}) map[string]interface{} {
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res := map[string]interface{}{}
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for k, v := range m {
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res[k] = ConvertToJSONCompatible(v)
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}
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return res
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}
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// ConvertToJSONCompatible walks the given dynamic object recursively, and
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// converts maps with interface{} key type to maps with string key type. This
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// function comes handy if you want to marshal a dynamic object into JSON where
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// maps with interface{} key type are not allowed.
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//
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// Recursion is implemented into values of the following types:
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// -map[interface{}]interface{}
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// -map[string]interface{}
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// -[]interface{}
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//
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// When converting map[interface{}]interface{} to map[string]interface{},
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// fmt.Sprint() with default formatting is used to convert the key to a string key.
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//
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// Credit: https://github.com/icza/dyno
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func ConvertToJSONCompatible(v interface{}) interface{} {
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switch x := v.(type) {
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case map[interface{}]interface{}:
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m := map[string]interface{}{}
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for k, v2 := range x {
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switch k2 := k.(type) {
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case string: // Fast check if it's already a string
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m[k2] = ConvertToJSONCompatible(v2)
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default:
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m[fmt.Sprint(k)] = ConvertToJSONCompatible(v2)
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}
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}
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v = m
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case []interface{}:
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for i, v2 := range x {
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x[i] = ConvertToJSONCompatible(v2)
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}
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case map[string]interface{}:
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for k, v2 := range x {
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x[k] = ConvertToJSONCompatible(v2)
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}
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}
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return v
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}
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