first commit

app_vue/node_modules/@vue/cli-shared-utils/lib/object.js

@@ -0,0 +1,49 @@
+exports.set = function (target, path, value) {
+  const fields = path.split('.')
+  let obj = target
+  const l = fields.length
+  for (let i = 0; i < l - 1; i++) {
+    const key = fields[i]
+    if (!obj[key]) {
+      obj[key] = {}
+    }
+    obj = obj[key]
+  }
+  obj[fields[l - 1]] = value
+}
+
+exports.get = function (target, path) {
+  const fields = path.split('.')
+  let obj = target
+  const l = fields.length
+  for (let i = 0; i < l - 1; i++) {
+    const key = fields[i]
+    if (!obj[key]) {
+      return undefined
+    }
+    obj = obj[key]
+  }
+  return obj[fields[l - 1]]
+}
+
+exports.unset = function (target, path) {
+  const fields = path.split('.')
+  let obj = target
+  const l = fields.length
+  const objs = []
+  for (let i = 0; i < l - 1; i++) {
+    const key = fields[i]
+    if (!obj[key]) {
+      return
+    }
+    objs.unshift({ parent: obj, key, value: obj[key] })
+    obj = obj[key]
+  }
+  delete obj[fields[l - 1]]
+  // Clear empty objects
+  for (const { parent, key, value } of objs) {
+    if (!Object.keys(value).length) {
+      delete parent[key]
+    }
+  }
+}