From 291803c31f829fe0d32bb3207bc11def95a7408c Mon Sep 17 00:00:00 2001
From: Nevena Bojovic <nenabojov@gmail.com>
Date: Tue, 1 Mar 2022 20:05:50 +0100
Subject: Urađena test aplikacija. Povezan front i back.
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---
 .../Front/node_modules/npm-install-checks/index.js | 79 ++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 sandbox/testAppNevena/Front/node_modules/npm-install-checks/index.js

(limited to 'sandbox/testAppNevena/Front/node_modules/npm-install-checks/index.js')

diff --git a/sandbox/testAppNevena/Front/node_modules/npm-install-checks/index.js b/sandbox/testAppNevena/Front/node_modules/npm-install-checks/index.js
new file mode 100644
index 00000000..732888ef
--- /dev/null
+++ b/sandbox/testAppNevena/Front/node_modules/npm-install-checks/index.js
@@ -0,0 +1,79 @@
+const {format} = require('util')
+const semver = require('semver')
+
+const checkEngine = (target, npmVer, nodeVer, force = false) => {
+  const nodev = force ? null : nodeVer
+  const eng = target.engines
+  const opt = { includePrerelease: true }
+  if (!eng) {
+    return
+  }
+
+  const nodeFail = nodev && eng.node && !semver.satisfies(nodev, eng.node, opt)
+  const npmFail = npmVer && eng.npm && !semver.satisfies(npmVer, eng.npm, opt)
+  if (nodeFail || npmFail) {
+    throw Object.assign(new Error('Unsupported engine'), {
+      pkgid: target._id,
+      current: { node: nodeVer, npm: npmVer },
+      required: eng,
+      code: 'EBADENGINE'
+    })
+  }
+}
+
+const checkPlatform = (target, force = false) => {
+  if (force) {
+    return
+  }
+
+  const platform = process.platform
+  const arch = process.arch
+  const osOk = target.os ? checkList(platform, target.os) : true
+  const cpuOk = target.cpu ? checkList(arch, target.cpu) : true
+
+  if (!osOk || !cpuOk) {
+    throw Object.assign(new Error('Unsupported platform'), {
+      pkgid: target._id,
+      current: {
+        os: platform,
+        cpu: arch
+      },
+      required: {
+        os: target.os,
+        cpu: target.cpu
+      },
+      code: 'EBADPLATFORM'
+    })
+  }
+}
+
+const checkList = (value, list) => {
+  if (typeof list === 'string') {
+    list = [list]
+  }
+  if (list.length === 1 && list[0] === 'any') {
+    return true
+  }
+  // match none of the negated values, and at least one of the
+  // non-negated values, if any are present.
+  let negated = 0
+  let match = false
+  for (const entry of list) {
+    const negate = entry.charAt(0) === '!'
+    const test = negate ? entry.slice(1) : entry
+    if (negate) {
+      negated ++
+      if (value === test) {
+        return false
+      }
+    } else {
+      match = match || value === test
+    }
+  }
+  return match || negated === list.length
+}
+
+module.exports = {
+  checkEngine,
+  checkPlatform
+}
-- 
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