# Copyright 2016 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


# Conformance requirements:
# See: https://github.com/google/closure-compiler/wiki/JS-Conformance-Framework


# Disallow throwing non-Error types.
requirement: {
  type: CUSTOM
  java_class:
      'com.google.javascript.jscomp.ConformanceRules$BanThrowOfNonErrorTypes'
  error_message: 'Throwing non-Error types or Error itself is not allowed; '
                 'throw shaka.util.Error instead.'
  whitelist_regexp: 'test/'
  whitelist_regexp: 'node_modules/'
}
requirement: {
  type: BANNED_CODE_PATTERN
  value: 'function template() { throw new Error(); }'
  error_message: 'Throwing non-Error types or Error itself is not allowed; '
                 'throw shaka.util.Error instead.'
  whitelist_regexp: 'test/'
  whitelist_regexp: 'node_modules/'
}


# Ban accessing members of unknown types.
requirement: {
  type: CUSTOM
  java_class: 'com.google.javascript.jscomp.ConformanceRules$'
              'BanUnknownTypedClassPropsReferences'
  error_message: 'Using properties of unknown types is not allowed; add an '
                 'explicit type to the variable.'
  whitelist_regexp: 'demo/'
}
requirement {
  type: CUSTOM
  java_class: 'com.google.javascript.jscomp.ConformanceRules$BanUnknownThis'
  error_message: 'Failed to infer type of "this"; '
                 'please be explicit or use bind!'
  # Until we can get this rule updated for ES6 static methods
  # (https://github.com/google/closure-compiler/issues/2880):
  whitelist_regexp: 'test/test/util/canned_idb.js'
  whitelist_regexp: 'test/assets/assets_integration.js'
}


# Reject unresolved types.
requirement {
  type: CUSTOM
  java_class: 'com.google.javascript.jscomp.ConformanceRules$BanUnresolvedType'
  error_message: 'Failed to resolve type!'
}


# Reject global variables.
requirement {
  type: CUSTOM
  java_class: 'com.google.javascript.jscomp.ConformanceRules$BanGlobalVars'
  error_message: 'Global variables are not allowed!'
  whitelist_regexp: 'demo/'
  whitelist_regexp: 'test/'
  whitelist_regexp: 'node_modules/'
}


# Disallow using "!" on nullable numbers in boolean assignment.
# Note: we can't use the pattern "var b = !n" because it causes too many
# false positives.
requirement: {
  type: BANNED_CODE_PATTERN
  value: '/** @param {boolean} b @param {?number} n */ '
         'function template(b, n) { b = !n; }'
  error_message: 'Using "!" on nullable numbers in boolean assignment '
                 'is not allowed; use an explicit comparison instead.'
  whitelist_regexp: 'node_modules/'
}

requirement: {
  type: BANNED_CODE_PATTERN
  value: '/** @param {*} a'
         '    @param {(number|string|boolean|null|undefined)} x */'
         'function template(a, x) { expect(a).toEqual(x); }'
  value: '/** @param {*} a'
         '    @param {(number|string|boolean|null|undefined)} x */'
         'function template(a, x) { expect(a).not.toEqual(x); }'
  error_message: 'Use expect.toBe for primitives'
}

requirement: {
  type: BANNED_CODE_PATTERN
  value: '/** @param {BufferSource} a */'
         'function template(a) { new Uint8Array(a) }'
  value: '/** @param {BufferSource} a */'
         'function template(a) { new Int8Array(a) }'
  value: '/** @param {BufferSource} a */'
         'function template(a) { new Uint8ClampedArray(a) }'
  value: '/** @param {BufferSource} a */'
         'function template(a) { new Unt16Array(a) }'
  value: '/** @param {BufferSource} a */'
         'function template(a) { new Int16Array(a) }'
  value: '/** @param {BufferSource} a */'
         'function template(a) { new Uint32Array(a) }'
  value: '/** @param {BufferSource} a */'
         'function template(a) { new Int32Array(a) }'
  value: '/** @param {BufferSource} a */'
         'function template(a) { new Float32Array(a) }'
  value: '/** @param {BufferSource} a */'
         'function template(a) { new Float64Array(a) }'
  error_message: 'Use shaka.util.BufferUtils.view* instead.'
  whitelist_regexp: 'lib/util/buffer_utils.js'
}

requirement: {
  type: BANNED_CODE_PATTERN
  value: 'function template () { new Date().getTime() }'
  error_message: 'Use Date.now() instead.'
}

# Disallow console logging.
requirement: {
  type: BANNED_PROPERTY_CALL
  value: 'Console.prototype.debug'
  value: 'Console.prototype.log'
  value: 'Console.prototype.info'
  value: 'Console.prototype.warn'
  value: 'Console.prototype.error'
  error_message: 'Using "console" is not allowed; '
                 'use shaka.log instead'
  whitelist_regexp: 'demo/'
  whitelist_regexp: 'lib/debug/log.js'
  whitelist_regexp: 'test/test/boot.js'
  whitelist_regexp: 'node_modules/'
  whitelist_regexp: '[synthetic:es6/promise/promise]'
}

# Disallow querySelector and querySelectorAll since they aren't supported on
# Shaka Player Embedded.
requirement: {
  type: BANNED_PROPERTY_CALL
  value: 'Element.prototype.querySelector'
  value: 'Document.prototype.querySelector'
  value: 'Element.prototype.querySelectorAll'
  value: 'Document.prototype.querySelectorAll'
  error_message: 'Use getElementsByTagName'
  whitelist_regexp: 'demo/'
  whitelist_regexp: 'ui/'
  whitelist_regexp: 'test/'
  whitelist_regexp: 'node_modules/'
}


# Disallow Element.children.
requirement: {
  type: BANNED_PROPERTY
  value: 'Element.prototype.children'
  error_message: 'Using "Element.children" is not allowed; '
                 'use Node.childNodes instead'
}

requirement: {
  type: BANNED_PROPERTY
  value: 'DataView.prototype.buffer'
  value: 'TypedArray.prototype.buffer'
  error_message: 'Using "TypedArray.buffer" is not safe since it doesn\'t '
                 'handle sub-arrays'
  whitelist_regexp: 'lib/util/buffer_utils.js'
  whitelist_regexp: 'lib/util/object_utils.js'
  whitelist_regexp: 'test/util/buffer_utils_unit.js'
}


# Disallow Element.innerHTML and outerHTML.
requirement: {
  type: BANNED_PROPERTY
  value: 'Element.prototype.innerHTML'
  value: 'Element.prototype.outerHTML'
  error_message: 'Using "Element.innerHTML" or "Element.outerHTML" is not '
                 'allowed due to security concerns; use textContent, '
                 'appendChild, or removeChild instead'
  whitelist_regexp: 'test/test/util/util.js'
}


# Disallow DOMRect.x and y.
requirement: {
  type: BANNED_PROPERTY
  value: 'DOMRect.prototype.x'
  value: 'DOMRect.prototype.y'
  error_message: 'DOMRect "x" and "y" are not supported on legacy Edge; '
                 'use "left" and "top" instead.'
  # The built-in set and map polyfills trigger this ban somehow.
  whitelist_regexp: 'synthetic:es6/'
}


# Disallow fdescribe.
requirement: {
  type: BANNED_NAME
  value: 'fdescribe'
  error_message: 'Using "fdescribe" is not allowed'
}


# Disallow fit.
requirement: {
  type: BANNED_NAME
  value: 'fit'
  error_message: 'Using "fit" is not allowed'
  whitelist_regexp: 'test/player_external.js'
}


# Disallow setInterval.
requirement: {
  type: BANNED_NAME
  value: 'window.setInterval'
  error_message: 'setInterval has several drawbacks, most of '
                 'all difficulty canceling and surprising behavior '
                 'when the device goes to sleep. Please use '
                 'shaka.util.Timer instead.'
  whitelist_regexp: 'demo/'
  whitelist_regexp: 'test/'
}
requirement: {
  type: BANNED_NAME
  value: 'setInterval'
  error_message: 'setInterval has several drawbacks, most of '
                 'all difficulty canceling and surprising behavior '
                 'when the device goes to sleep. Please use '
                 'shaka.util.Timer instead.'
  whitelist_regexp: 'demo/'
  whitelist_regexp: 'test/'
}

# Disallow setTimeout.
requirement: {
  type: BANNED_NAME
  value: 'window.setTimeout'
  error_message: 'setTimeout has several drawbacks, most of '
                 'all difficulty canceling it. Please use '
                 'shaka.util.Timer instead.'
  whitelist_regexp: 'demo/'
  whitelist_regexp: 'test/'
  whitelist_regexp: 'lib/util/delayed_tick.js'
}
requirement: {
  type: BANNED_NAME
  value: 'setTimeout'
  error_message: 'setTimeout has several drawbacks, most of '
                 'all difficulty canceling it. Please use '
                 'shaka.util.Timer instead.'
  whitelist_regexp: 'demo/'
  whitelist_regexp: 'test/'
}


# Disallow eval, except when testing for modern JS syntax in demo
requirement: {
  type: BANNED_NAME
  value: 'window.eval'
  error_message: 'Using "eval" is not allowed'
  whitelist_regexp: 'demo/demo_utils.js'
  whitelist_regexp: 'node_modules/google-closure-library/closure/goog/base.js'
  whitelist_regexp: 'test/util/functional_unit.js'
}
requirement: {
  type: BANNED_NAME
  value: 'eval'
  error_message: 'Using "eval" is not allowed'
  whitelist_regexp: 'demo/demo_utils.js'
  whitelist_regexp: 'node_modules/google-closure-library/closure/goog/base.js'
  whitelist_regexp: 'test/util/functional_unit.js'
}


# Disallow ES6 methods.
requirement: {
  type: BANNED_PROPERTY
  value: 'ArrayBuffer.prototype.slice'
  error_message: 'ArrayBuffer.slice is not allowed because it '
                 'is not supported on Tizen 2016'
}

# Disallow the general use of fetch, which is not available on all supported
# platforms.
requirement: {
  type: BANNED_NAME_CALL
  value: 'fetch'
  value: 'window.fetch'
  error_message: 'Using "fetch" directly is not allowed; '
                 'use shaka.test.Util.fetch or NetworkingEngine.request '
                 'instead.'
  whitelist_regexp: 'lib/net/http_fetch_plugin.js'
}