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https://github.com/samuelncui/acp.git
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Samuel Cui
4d5dbd0b8c
Simplify indexed copy facts and unify staged output completion. Fix cleanup, rewrite persistence, native paths, and terminal reporting. Maintain compatibility, upstream notices, and automated release checks.
28 lines
680 B
Go
28 lines
680 B
Go
package fileio
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"os"
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"unicode/utf8"
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)
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// ReadJSON loads exactly one nonnull document, refusing bytes JSON would silently replace.
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func ReadJSON(path string, value any) error {
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// Validate the original bytes before decoding loses unsupported filename identities.
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data, err := os.ReadFile(path)
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if err != nil {
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return err
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}
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if !utf8.Valid(data) {
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return fmt.Errorf("JSON is not valid UTF-8")
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}
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if bytes.Equal(bytes.TrimSpace(data), []byte("null")) {
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return fmt.Errorf("JSON document is null")
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}
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// Unmarshal consumes the entire document, including any trailing non-whitespace bytes.
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return json.Unmarshal(data, value)
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}
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