41 lines
847 B
Go
41 lines
847 B
Go
package main
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import (
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"bytes"
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"flag"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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)
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var (
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src = flag.String("src", "web3.js", "web3.js source file")
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dst = flag.String("dst", "", "destination file. leave empty to print into stdout")
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pkg = flag.String("pkg", "web3js", "package of the destionation file")
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)
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func main() {
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flag.Parse()
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data, err := ioutil.ReadFile(*src)
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must(err)
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b := bytes.NewBuffer([]byte{})
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fmt.Fprintf(b, "// Code is generated. DO NOT EDIT.\n\n")
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fmt.Fprintf(b, "package %s\n\n", *pkg)
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fmt.Fprintf(b, "// Web3CODE is a binary representation of web3js mini.\n")
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fmt.Fprintf(b, "var Web3CODE = []byte(")
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fmt.Fprintf(b, "`%s`", string(data))
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fmt.Fprintf(b, ")\n")
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if *dst == "" {
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io.Copy(os.Stdout, b)
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} else {
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must(ioutil.WriteFile(*dst, b.Bytes(), 0644))
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}
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}
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func must(err error) {
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if err != nil {
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panic(err)
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}
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}
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