first commit

1 files changed, 168 insertions, 0 deletions

diff --git a/node_modules/node-gyp/lib/log.js b/node_modules/node-gyp/lib/log.js
new file mode 100644
index 0000000..36fa248
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+++ b/node_modules/node-gyp/lib/log.js
@@ -0,0 +1,168 @@
+'use strict'
+
+const { log } = require('proc-log')
+const { format } = require('util')
+
+// helper to emit log messages with a predefined prefix
+const withPrefix = (prefix) => log.LEVELS.reduce((acc, level) => {
+  acc[level] = (...args) => log[level](prefix, ...args)
+  return acc
+}, {})
+
+// very basic ansi color generator
+const COLORS = {
+  wrap: (str, colors) => {
+    const codes = colors.filter(c => typeof c === 'number')
+    return `\x1b[${codes.join(';')}m${str}\x1b[0m`
+  },
+  inverse: 7,
+  fg: {
+    black: 30,
+    red: 31,
+    green: 32,
+    yellow: 33,
+    blue: 34,
+    magenta: 35,
+    cyan: 36,
+    white: 37
+  },
+  bg: {
+    black: 40,
+    red: 41,
+    green: 42,
+    yellow: 43,
+    blue: 44,
+    magenta: 45,
+    cyan: 46,
+    white: 47
+  }
+}
+
+class Logger {
+  #buffer = []
+  #paused = null
+  #level = null
+  #stream = null
+
+  // ordered from loudest to quietest
+  #levels = [{
+    id: 'silly',
+    display: 'sill',
+    style: { inverse: true }
+  }, {
+    id: 'verbose',
+    display: 'verb',
+    style: { fg: 'cyan', bg: 'black' }
+  }, {
+    id: 'info',
+    style: { fg: 'green' }
+  }, {
+    id: 'http',
+    style: { fg: 'green', bg: 'black' }
+  }, {
+    id: 'notice',
+    style: { fg: 'cyan', bg: 'black' }
+  }, {
+    id: 'warn',
+    display: 'WARN',
+    style: { fg: 'black', bg: 'yellow' }
+  }, {
+    id: 'error',
+    display: 'ERR!',
+    style: { fg: 'red', bg: 'black' }
+  }]
+
+  constructor (stream) {
+    process.on('log', (...args) => this.#onLog(...args))
+    this.#levels = new Map(this.#levels.map((level, index) => [level.id, { ...level, index }]))
+    this.level = 'info'
+    this.stream = stream
+    log.pause()
+  }
+
+  get stream () {
+    return this.#stream
+  }
+
+  set stream (stream) {
+    this.#stream = stream
+  }
+
+  get level () {
+    return this.#levels.get(this.#level) ?? null
+  }
+
+  set level (level) {
+    this.#level = this.#levels.get(level)?.id ?? null
+  }
+
+  isVisible (level) {
+    return this.level?.index <= this.#levels.get(level)?.index ?? -1
+  }
+
+  #onLog (...args) {
+    const [level] = args
+
+    if (level === 'pause') {
+      this.#paused = true
+      return
+    }
+
+    if (level === 'resume') {
+      this.#paused = false
+      this.#buffer.forEach((b) => this.#log(...b))
+      this.#buffer.length = 0
+      return
+    }
+
+    if (this.#paused) {
+      this.#buffer.push(args)
+      return
+    }
+
+    this.#log(...args)
+  }
+
+  #color (str, { fg, bg, inverse }) {
+    if (!this.#stream?.isTTY) {
+      return str
+    }
+
+    return COLORS.wrap(str, [
+      COLORS.fg[fg],
+      COLORS.bg[bg],
+      inverse && COLORS.inverse
+    ])
+  }
+
+  #log (levelId, msgPrefix, ...args) {
+    if (!this.isVisible(levelId) || typeof this.#stream?.write !== 'function') {
+      return
+    }
+
+    const level = this.#levels.get(levelId)
+
+    const prefixParts = [
+      this.#color('gyp', { fg: 'white', bg: 'black' }),
+      this.#color(level.display ?? level.id, level.style)
+    ]
+    if (msgPrefix) {
+      prefixParts.push(this.#color(msgPrefix, { fg: 'magenta' }))
+    }
+
+    const prefix = prefixParts.join(' ').trim() + ' '
+    const lines = format(...args).split(/\r?\n/).map(l => prefix + l.trim())
+
+    this.#stream.write(lines.join('\n') + '\n')
+  }
+}
+
+// used to suppress logs in tests
+const NULL_LOGGER = !!process.env.NODE_GYP_NULL_LOGGER
+
+module.exports = {
+  logger: new Logger(NULL_LOGGER ? null : process.stderr),
+  stdout: NULL_LOGGER ? () => {} : (...args) => console.log(...args),
+  withPrefix,
+  ...log
+}