Vendor jsmin (#19495)

NOTICE.txt

@@ -2734,4 +2734,32 @@ one at http://mozilla.org/MPL/2.0/.
 @(#) $RCSfile: certdata.txt,v $ $Revision: 1.80 $ $Date: 2011/11/03 15:11:58 $
 
 
+---------------------------------------------------------
+
+---------------------------------------------------------
+
+jsmin 2.2.2 - MIT
+
+
+Copyright (c) 2013 Dave St.Germain
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+
 ---------------------------------------------------------

src/azure-cli/azure/cli/command_modules/resource/_json_handler.py

@@ -0,0 +1,221 @@
+# --------------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for license information.
+# --------------------------------------------------------------------------------------------
+
+
+# The jsmin code from https://github.com/tikitu/jsmin/blob/release-2.2.2/jsmin/__init__.py is referenced
+def json_min(js, **kwargs):
+    """
+    returns a minified version of the json string
+    """
+    import io
+    klass = io.StringIO
+    ins = klass(js)
+    outs = klass()
+    JsonMinify(ins, outs, **kwargs).minify()
+    return outs.getvalue()
+
+
+# pylint: disable=attribute-defined-outside-init, too-many-branches, too-many-statements, too-many-instance-attributes
+class JsonMinify:
+    """
+    Minify an input stream of json, writing to an output stream
+    """
+
+    def __init__(self, instream=None, outstream=None, quote_chars="'\""):
+        self.ins = instream
+        self.outs = outstream
+        self.quote_chars = quote_chars
+
+    def minify(self, instream=None, outstream=None):
+        if instream and outstream:
+            self.ins, self.outs = instream, outstream
+
+        self.is_return = False
+        self.return_buf = ''
+
+        def write(char):
+            # all of this is to support literal regular expressions.
+            # sigh
+            if char in 'return':
+                self.return_buf += char
+                self.is_return = self.return_buf == 'return'
+            else:
+                self.return_buf = ''
+                self.is_return = self.is_return and char < '!'
+            self.outs.write(char)
+            if self.is_return:
+                self.return_buf = ''
+
+        read = self.ins.read
+
+        space_strings = "abcdefghijklmnopqrstuvwxyz" \
+                        "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_$\\"
+        self.space_strings = space_strings
+        starters, enders = '{[(+-', '}])+-/' + self.quote_chars
+        newlinestart_strings = starters + space_strings + self.quote_chars
+        newlineend_strings = enders + space_strings + self.quote_chars
+        self.newlinestart_strings = newlinestart_strings
+        self.newlineend_strings = newlineend_strings
+
+        do_newline = False
+        do_space = False
+        escape_slash_count = 0
+        in_quote = ''
+        quote_buf = []
+
+        previous = ';'
+        previous_non_space = ';'
+        next1 = read(1)
+
+        while next1:
+            next2 = read(1)
+            if in_quote:
+                quote_buf.append(next1)
+
+                if next1 == in_quote:
+                    numslashes = 0
+                    for c in reversed(quote_buf[:-1]):
+                        if c != '\\':
+                            break
+                        numslashes += 1
+                    if numslashes % 2 == 0:
+                        in_quote = ''
+                        write(''.join(quote_buf))
+            elif next1 in '\r\n':
+                next2, do_newline = self.newline(
+                    previous_non_space, next2, do_newline)
+            elif next1 < '!':
+                if (previous_non_space in space_strings or previous_non_space > '~') \
+                        and (next2 in space_strings or next2 > '~'):
+                    do_space = True
+                elif previous_non_space in '-+' and next2 == previous_non_space:
+                    # protect against + ++ or - -- sequences
+                    do_space = True
+                elif self.is_return and next2 == '/':
+                    # returning a regex...
+                    write(' ')
+            elif next1 == '/':
+                if do_space:
+                    write(' ')
+                if next2 == '/':
+                    # Line comment: treat it as a newline, but skip it
+                    next2 = self.line_comment(next1, next2)
+                    next1 = '\n'
+                    next2, do_newline = self.newline(
+                        previous_non_space, next2, do_newline)
+                elif next2 == '*':
+                    self.block_comment(next1, next2)
+                    next2 = read(1)
+                    if previous_non_space in space_strings:
+                        do_space = True
+                    next1 = previous
+                else:
+                    if previous_non_space in '{(,=:[?!&|;' or self.is_return:
+                        self.regex_literal(next1, next2)
+                        # hackish: after regex literal next1 is still /
+                        # (it was the initial /, now it's the last /)
+                        next2 = read(1)
+                    else:
+                        write('/')
+            else:
+                if do_newline:
+                    write('\n')
+                    do_newline = False
+                    do_space = False
+                if do_space:
+                    do_space = False
+                    write(' ')
+
+                write(next1)
+                if next1 in self.quote_chars:
+                    in_quote = next1
+                    quote_buf = []
+
+            if next1 >= '!':
+                previous_non_space = next1
+
+            if next1 == '\\':
+                escape_slash_count += 1
+            else:
+                escape_slash_count = 0
+
+            previous = next1
+            next1 = next2
+
+    def regex_literal(self, next1, next2):
+        assert next1 == '/'  # otherwise we should not be called!
+
+        self.return_buf = ''
+
+        read = self.ins.read
+        write = self.outs.write
+
+        in_char_class = False
+
+        write('/')
+
+        next_char = next2
+        while next_char and (next_char != '/' or in_char_class):
+            write(next_char)
+            if next_char == '\\':
+                write(read(1))  # whatever is next is escaped
+            elif next_char == '[':
+                write(read(1))  # character class cannot be empty
+                in_char_class = True
+            elif next_char == ']':
+                in_char_class = False
+            next_char = read(1)
+
+        write('/')
+
+    def line_comment(self, next1, next2):
+        assert next1 == next2 == '/'
+
+        read = self.ins.read
+
+        while next1 and next1 not in '\r\n':
+            next1 = read(1)
+        while next1 and next1 in '\r\n':
+            next1 = read(1)
+
+        return next1
+
+    def block_comment(self, next1, next2):
+        assert next1 == '/'
+        assert next2 == '*'
+
+        read = self.ins.read
+
+        # Skip past first /* and avoid catching on /*/...*/
+        next1 = read(1)
+        next2 = read(1)
+
+        comment_buffer = '/*'
+        while next1 != '*' or next2 != '/':
+            comment_buffer += next1
+            next1 = next2
+            next2 = read(1)
+
+        if comment_buffer.startswith("/*!"):
+            # comment needs preserving
+            self.outs.write(comment_buffer)
+            self.outs.write("*/\n")
+
+    def newline(self, previous_non_space, next2, do_newline):
+        read = self.ins.read
+
+        if previous_non_space and (previous_non_space in self.newlineend_strings or previous_non_space > '~'):
+            while 1:
+                if next2 < '!':
+                    next2 = read(1)
+                    if not next2:
+                        break
+                else:
+                    if next2 in self.newlinestart_strings \
+                            or next2 > '~' or next2 == '/':
+                        do_newline = True
+                    break
+
+        return next2, do_newline

src/azure-cli/azure/cli/command_modules/resource/_packing_engine.py

@@ -27,12 +27,15 @@ class PackingContext():  # pylint: disable=too-few-public-methods
 
 # pylint: disable=redefined-outer-name
 def process_template(template, preserve_order=True, file_path=None):
-    from jsmin import jsmin
+    from ._json_handler import json_min
 
     # When commenting at the bottom of all elements in a JSON object, jsmin has a bug that will wrap lines.
-    # It will affect the subsequent multi-line processing logic, so deal with this situation in advance here.
+    # It will affect the subsequent multi-line processing logic, so remove those comments in advance here.
+    # Related issue: https://github.com/Azure/azure-cli/issues/11995, the sample is in the additional context of it.
     template = re.sub(r'(^[\t ]*//[\s\S]*?\n)|(^[\t ]*/\*{1,2}[\s\S]*?\*/)', '', template, flags=re.M)
-    minified = jsmin(template)
+
+    # In order to solve the package conflict introduced by jsmin, the jsmin code is referenced into json_min
+    minified = json_min(template)
 
     # Remove extra spaces, compress multiline string(s)
     result = re.sub(r'\s\s+', ' ', minified, flags=re.DOTALL)

src/azure-cli/azure/cli/command_modules/resource/custom.py

@@ -286,12 +286,15 @@ def _urlretrieve(url):
 
 # pylint: disable=redefined-outer-name
 def _remove_comments_from_json(template, preserve_order=True, file_path=None):
-    from jsmin import jsmin
+    from ._json_handler import json_min
 
     # When commenting at the bottom of all elements in a JSON object, jsmin has a bug that will wrap lines.
-    # It will affect the subsequent multi-line processing logic, so deal with this situation in advance here.
+    # It will affect the subsequent multi-line processing logic, so remove those comments in advance here.
+    # Related issue: https://github.com/Azure/azure-cli/issues/11995, the sample is in the additional context of it.
     template = re.sub(r'(^[\t ]*//[\s\S]*?\n)|(^[\t ]*/\*{1,2}[\s\S]*?\*/)', '', template, flags=re.M)
-    minified = jsmin(template)
+
+    # In order to solve the package conflict introduced by jsmin, the jsmin code is referenced into json_min
+    minified = json_min(template)
     try:
         return shell_safe_json_parse(minified, preserve_order, strict=False)  # use strict=False to allow multiline strings
     except CLIError:

src/azure-cli/requirements.py3.Darwin.txt

@@ -106,7 +106,6 @@ invoke==1.2.0
 isodate==0.6.0
 Jinja2==2.11.3
 jmespath==0.9.5
-jsmin==2.2.2
 knack==0.8.2
 MarkupSafe==1.1.1
 msal==1.10.0

src/azure-cli/requirements.py3.Linux.txt

@@ -107,7 +107,6 @@ invoke==1.2.0
 isodate==0.6.0
 Jinja2==2.11.3
 jmespath==0.9.5
-jsmin==2.2.2
 knack==0.8.2
 MarkupSafe==1.1.1
 msal==1.10.0

src/azure-cli/requirements.py3.windows.txt

@@ -105,7 +105,6 @@ invoke==1.2.0
 isodate==0.6.0
 Jinja2==2.11.3
 jmespath==0.9.5
-jsmin==2.2.2
 knack==0.8.2
 MarkupSafe==1.1.1
 msal==1.10.0

src/azure-cli/setup.py

@@ -137,7 +137,6 @@ DEPENDENCIES = [
     'azure-synapse-managedprivateendpoints~=0.3.0',
     'fabric~=2.4',
     'javaproperties==0.5.1',
-    'jsmin~=2.2.2',
     'jsondiff==1.2.0',
     'packaging~=20.9',
     'PyGithub~=1.38',