chore: initialize frontend repo with teaching terminology updates

Add the current frontend codebase with a baseline .gitignore and update piano-specific UI terms to teaching-oriented terms for the current product context. Made-with: Cursor
2026-04-23 16:37:14 +08:00
commit a661e439a0
216 changed files with 50419 additions and 0 deletions
@@ -0,0 +1,168 @@
+const noop = () => { }
+function Upyun(options) {
+  this.bucket = options.bucket
+  this.operator = options.operator
+  this.getSignatureUrl = options.getSignatureUrl
+  this.removeUrl = options.removeUrl
+}
+
+Upyun.prototype.upload = function (options) {
+  var self = this
+  if (!options.remotePath) {
+    options.remotePath = options.localPath.split('//')[1]
+  }
+  var date = (new Date()).toGMTString()
+  var opts = {
+    'save-key': options.remotePath,
+    bucket: self.bucket,
+    expiration: Math.round(new Date().getTime() / 1000) + 3600,
+    date: date
+  }
+  var policy = Base64.encode(JSON.stringify(opts))
+  var data = ['POST', '/' + self.bucket, date, policy].join('&')
+  self.getSignature(data, function (err, signature) {
+    if (err) {
+      options.fail && options.fail(err)
+      options.complete && options.complete(err)
+      return
+    }
+    wx.uploadFile({
+      url: `https://v0.api.upyun.com/${self.bucket}`,
+      filePath: options.localPath,
+      name: 'file',
+      formData: {
+        authorization: signature,
+        policy: policy
+      },
+      success: options.success,
+      fail: options.fail,
+      complete: options.complete
+    })
+  })
+}
+
+Upyun.prototype.remove = function(filename, success = noop, fail = noop){
+    wx.request({
+        method: 'POST',
+        url: this.removeUrl,
+        data: {filename},
+        success,fail
+    })
+}
+
+Upyun.prototype.getSignature = function (data, cb) {
+  wx.request({
+    url: this.getSignatureUrl,
+    data: {
+      data: data
+    },
+    success: function (res) {
+      cb(null, res.data.result)
+    },
+    fail: function (err) {
+      cb(err)
+    }
+  })
+}
+
+/* eslint-disable */
+var Base64 = {
+  // private property
+  _keyStr: 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=',
+  // public method for encoding
+  encode: function (input) {
+    var output = ''
+    var chr1, chr2, chr3, enc1, enc2, enc3, enc4
+    var i = 0
+    input = Base64._utf8_encode(input)
+    while (i < input.length) {
+      chr1 = input.charCodeAt(i++)
+      chr2 = input.charCodeAt(i++)
+      chr3 = input.charCodeAt(i++)
+      enc1 = chr1 >> 2
+      enc2 = ((chr1 & 3) << 4) | (chr2 >> 4)
+      enc3 = ((chr2 & 15) << 2) | (chr3 >> 6)
+      enc4 = chr3 & 63
+      if (isNaN(chr2)) {
+        enc3 = enc4 = 64
+      } else if (isNaN(chr3)) {
+        enc4 = 64
+      }
+      output = output +
+        this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
+        this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4)
+    }
+    return output
+  },
+  // public method for decoding
+  decode: function (input) {
+    var output = ''
+    var chr1, chr2, chr3
+    var enc1, enc2, enc3, enc4
+    var i = 0
+    input = input.replace(/[^A-Za-z0-9\+\/\=]/g, '')
+    while (i < input.length) {
+      enc1 = this._keyStr.indexOf(input.charAt(i++))
+      enc2 = this._keyStr.indexOf(input.charAt(i++))
+      enc3 = this._keyStr.indexOf(input.charAt(i++))
+      enc4 = this._keyStr.indexOf(input.charAt(i++))
+      chr1 = (enc1 << 2) | (enc2 >> 4)
+      chr2 = ((enc2 & 15) << 4) | (enc3 >> 2)
+      chr3 = ((enc3 & 3) << 6) | enc4
+      output = output + String.fromCharCode(chr1)
+      if (enc3 != 64) {
+        output = output + String.fromCharCode(chr2)
+      }
+      if (enc4 != 64) {
+        output = output + String.fromCharCode(chr3)
+      }
+    }
+    output = Base64._utf8_decode(output)
+    return output
+  },
+  // private method for UTF-8 encoding
+  _utf8_encode: function (string) {
+    string = string.replace(/\r\n/g, '\n')
+    var utftext = ''
+    for (var n = 0; n < string.length; n++) {
+      var c = string.charCodeAt(n)
+      if (c < 128) {
+        utftext += String.fromCharCode(c)
+      } else if ((c > 127) && (c < 2048)) {
+        utftext += String.fromCharCode((c >> 6) | 192)
+        utftext += String.fromCharCode((c & 63) | 128)
+      } else {
+        utftext += String.fromCharCode((c >> 12) | 224)
+        utftext += String.fromCharCode(((c >> 6) & 63) | 128)
+        utftext += String.fromCharCode((c & 63) | 128)
+      }
+    }
+    return utftext
+  },
+  // private method for UTF-8 decoding
+  _utf8_decode: function (utftext) {
+    var string = ''
+    var i = 0
+    var c = c1 = c2 = 0
+    while (i < utftext.length) {
+      c = utftext.charCodeAt(i)
+      if (c < 128) {
+        string += String.fromCharCode(c)
+        i++
+      } else if ((c > 191) && (c < 224)) {
+        c2 = utftext.charCodeAt(i + 1)
+        string += String.fromCharCode(((c & 31) << 6) | (c2 & 63))
+        i += 2
+      } else {
+        c2 = utftext.charCodeAt(i + 1)
+        c3 = utftext.charCodeAt(i + 2)
+        string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63))
+        i += 3
+      }
+    }
+    return string
+  }
+}
+/* eslint-enable */
+
+module.exports = Upyun