72 lines
1.4 KiB
Go
72 lines
1.4 KiB
Go
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package args
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import (
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"errors"
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"github.com/ipld/go-ipld-prime"
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)
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// Builder allows the fluid construction of an Args.
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type Builder struct {
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args *Args
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errs error
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}
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// NewBuilder returns a Builder which will assemble the Args.
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func NewBuilder() *Builder {
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return &Builder{
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args: New(),
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}
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}
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// Add inserts a new key/val into the Args being assembled while collecting
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// any errors caused by duplicate keys.
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func (b *Builder) Add(key string, val any) *Builder {
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b.errs = errors.Join(b.errs, b.args.Add(key, val))
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return b
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}
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// Build returns the assembled Args or an error containing a list of
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// errors encountered while trying to build the Args.
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func (b *Builder) Build() (*Args, error) {
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if b.errs != nil {
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return nil, b.errs
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}
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return b.args, nil
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}
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// BuildIPLD is the same as Build except it takes the additional step of
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// converting the Args to an ipld.Node.
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func (b *Builder) BuildIPLD() (ipld.Node, error) {
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args, err := b.Build()
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if err != nil {
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return nil, err
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}
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return args.ToIPLD()
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}
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// MustBuild is the same as Build except it panics if an error occurs.
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func (b *Builder) MustBuild() *Args {
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args, err := b.Build()
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if err != nil {
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panic(b.errs)
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}
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return args
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}
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// MustBuildIPLD is the same as BuildIPLD except it panics if an error
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// occurs.
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func (b *Builder) MustBuildIPLD() ipld.Node {
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node, err := b.BuildIPLD()
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if err != nil {
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panic(err)
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}
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return node
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}
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