init: initial implementation

.github/main.workflow

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+workflow "Build and Publish" {
+  on = "push"
+  resolves = ["Publish"]
+}
+
+action "Build" {
+  uses = "actions/npm@master"
+  args = "install"
+}
+
+action "Test" {
+  needs = ["Build"]
+  uses = "ianwalter/puppeteer@master"
+  runs = "npm"
+  args = "test"
+}
+
+action "Publish Filter" {
+  needs = ["Test"]
+  uses = "actions/bin/filter@master"
+  args = "branch master"
+}
+
+action "Publish" {
+  needs = "Publish Filter"
+  uses = "mikeal/merge-release@master"
+  secrets = ["GITHUB_TOKEN", "NPM_AUTH_TOKEN"]
+}

.gitignore

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+node_modules
+package-lock.json
+.nyc_output

index.js

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+const chalk = require('chalk')
+const CID = require('cids')
+
+const _pre = obj => {
+  if (Array.isArray(obj)) return '['
+  return '{'
+}
+const _post = obj => {
+  if (Array.isArray(obj)) return ']'
+  return '}'
+}
+
+module.exports = (obj, indent = 0, threshold = 80) => {
+  let pre = Array.from({ length: indent }).map(() => ' ').join('')
+  let lines = []
+  for (let key in obj) {
+    let value = obj[key]
+    let line
+    if (Array.isArray(obj)) {
+      line = ''
+    } else {
+      line = chalk.green(key) + ': '
+    }
+    if (CID.isCID(value)) lines.push(line + 'CID(' + chalk.red(value.toString()) + ')')
+    else if (Buffer.isBuffer(value)) lines.push(line + 'Bytes(' + `{${chalk.green('size')}: ${chalk.red(value.length)}})`)
+    else if (typeof value === 'object' && value !== null) {
+      lines.push(line + module.exports(value, indent + 2, threshold - line.length))
+    } else {
+      lines.push(line + chalk.red(JSON.stringify(value)))
+    }
+  }
+  if (lines.join(', ').length < threshold) return _pre(obj) + ' ' + lines.join(', ') + ' ' + _post(obj)
+  let ipre = '\n' + pre + '  '
+  return _pre(obj) + ipre + lines.join(ipre) + '\n' + pre + _post(obj)
+}

package.json

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+{
+  "name": "@ipld/printify",
+  "version": "0.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "Mikeal Rogers <[email protected]> (https://www.mikealrogers.com/)",
+  "license": "(Apache-2.0 AND MIT)",
+  "dependencies": {
+    "chalk": "^2.4.2",
+    "cids": "^0.7.1"
+  },
+  "devDependencies": {
+    "mocha": "^6.1.4",
+    "standard": "^12.0.1",
+    "tsame": "^2.0.1"
+  }
+}

test/basics.spec.js

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+const CID = require('cids')
+const assert = require('assert')
+const tsame = require('tsame')
+const printify = require('../')
+
+const same = (...args) => assert.ok(tsame(...args))
+const test = it
+
+test('all', done => {
+  let str = printify({
+    one: 1,
+    two: 'two',
+    three: {
+      sub: 1,
+      cid: new CID('QmWATWQ7fVPP2EFGu71UkfnqhYXDYH566qy47CnJDgvs8u'),
+      binary: Buffer.from('asdf'),
+      array: [
+        'one',
+        'two',
+        3
+      ]
+    }
+  })
+  same(str, "{\n  \u001b[32mone\u001b[39m: \u001b[31m1\u001b[39m\n  \u001b[32mtwo\u001b[39m: \u001b[31m\"two\"\u001b[39m\n  \u001b[32mthree\u001b[39m: {\n    \u001b[32msub\u001b[39m: \u001b[31m1\u001b[39m\n    \u001b[32mcid\u001b[39m: CID(\u001b[31mQmWATWQ7fVPP2EFGu71UkfnqhYXDYH566qy47CnJDgvs8u\u001b[39m)\n    \u001b[32mbinary\u001b[39m: Bytes({\u001b[32msize\u001b[39m: \u001b[31m4\u001b[39m})\n    \u001b[32marray\u001b[39m: [ \u001b[31m\"one\"\u001b[39m, \u001b[31m\"two\"\u001b[39m, \u001b[31m3\u001b[39m ]\n  }\n}")
+  done()
+})