git ssb

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const wabt = require('wabt')
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const fs = require('fs')
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const annotations = require('primea-annotations')
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function filesWast2wasm () {
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  const srcFiles = fs.readdirSync(`${__dirname}/wast`)
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  const wastFiles = srcFiles.filter(name => name.split('.').pop() === 'wast')
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  for (let file of wastFiles) {
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    const wat = fs.readFileSync(`${__dirname}/wast/${file}`).toString()
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    file = file.split('.')[0]
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    let json
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    try {
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      json = fs.readFileSync(`${__dirname}/wast/${file}.json`)
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      json = JSON.parse(json)
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    } catch (e) {
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      console.log(`no json for ${file}`)
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    }
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    try {
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      const mod = wabt.parseWat('module.wast', wat)
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      const r = mod.toBinary({log: true})
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      let binary = Buffer.from(r.buffer)
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      if (!WebAssembly.validate(binary)) {
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        throw new Error('invalid wasm binary')
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      }
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      if (json) {
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        console.log(json)
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        binary = annotations.encodeAndInject(json, binary)
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      }
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      fs.writeFileSync(`${__dirname}/wasm/${file}.wasm`, binary)
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    } catch (e) {
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      console.log(`failed at ${file}`)
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      console.log(e)
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    }
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  }
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}
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filesWast2wasm()
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