riot-compiler - npm Package Compare versions

Comparing version 3.2.3 to 3.2.4

CHANGELOG.md

 # Compiler Changes
 
+### v3.2.4
+- Fix [riot#2369](https://github.com/riot/riot/issues/2369) : Possible bug involving compilation of tags containing regex.
+- Using the `skip-regex` function from npm for sharing bwteen modules (at future).
+- Using the `jsSplitter` function for safer replacement of JS code, part of the next compiler.
+
 ### v3.2.3
@@ -4,0 +9,0 @@ - Fixes various issues with literal regexes.

dist/es6.compiler.js

 /**
  * Compiler for riot custom tags
- * @version v3.2.3
+ * @version v3.2.4
  */
@@ -100,3 +100,3 @@
 
-    es6: function (js, opts, url) {
+    es6: function (js, opts, url) {   // eslint-disable-line no-unused-vars
       return _r('Babel').transform( // eslint-disable-line
@@ -163,2 +163,117 @@ js,
 
+var S_SQ_STR = /'[^'\n\r\\]*(?:\\(?:\r\n?|[\S\s])[^'\n\r\\]*)*'/.source
+
+var S_R_SRC1 = [
+  /\/\*[^*]*\*+(?:[^*\/][^*]*\*+)*\//.source,
+  '//.*',
+  S_SQ_STR,
+  S_SQ_STR.replace(/'/g, '"'),
+  '([/`])'
+].join('|')
+
+var S_R_SRC2 = `${S_R_SRC1.slice(0, -2)}{}])`
+
+function skipES6str (code, start, stack) {
+
+  var re = /[`$\\]/g
+
+  re.lastIndex = start
+  while (re.exec(code)) {
+    var end = re.lastIndex
+    var c = code[end - 1]
+
+    if (c === '`') {
+      return end
+    }
+    if (c === '$' && code[end] === '{') {
+      stack.push('`', '}')
+      return end + 1
+    }
+    re.lastIndex++
+  }
+
+  throw new Error('Unclosed ES6 template')
+}
+
+function jsSplitter (code, start) {
+
+  var re1 = new RegExp(S_R_SRC1, 'g')
+  var re2
+
+  var skipRegex = brackets.skipRegex
+  var offset = start |= 0
+  var result = [[]]
+  var stack = []
+  var re = re1
+
+  var lastPos = re.lastIndex = offset
+  var str, ch, idx, end, match
+
+  while ((match = re.exec(code))) {
+    idx = match.index
+    end = re.lastIndex
+    str = ''
+    ch = match[1]
+
+    if (ch) {
+
+      if (ch === '{') {
+        stack.push('}')
+
+      } else if (ch === '}') {
+        if (stack.pop() !== ch) {
+          throw new Error("Unexpected '}'")
+
+        } else if (stack[stack.length - 1] === '`') {
+          ch = stack.pop()
+        }
+
+      } else if (ch === '/') {
+        end = skipRegex(code, idx)
+
+        if (end > idx + 1) {
+          str = code.slice(idx, end)
+        }
+      }
+
+      if (ch === '`') {
+        end = skipES6str(code, end, stack)
+        str = code.slice(idx, end)
+
+        if (stack.length) {
+          re = re2 || (re2 = new RegExp(S_R_SRC2, 'g'))
+        } else {
+          re = re1
+        }
+      }
+
+    } else {
+
+      str = match[0]
+
+      if (str[0] === '/') {
+        str = str[1] === '*' ? ' ' : ''
+        code = code.slice(offset, idx) + str + code.slice(end)
+        end = idx + str.length
+        str = ''
+
+      } else if (str.length === 2) {
+        str = ''
+      }
+    }
+
+    if (str) {
+      result[0].push(code.slice(lastPos, idx))
+      result.push(str)
+      lastPos = end
+    }
+
+    re.lastIndex = end
+  }
+
+  result[0].push(code.slice(lastPos))
+
+  return result
+}
+
 /**
@@ -352,6 +467,2 @@ * @module compiler
 
-var JS_ES6END = RegExp('[{}]|' + brackets.S_QBLOCKS, 'g')
-
-var JS_COMMS = RegExp(brackets.R_MLCOMMS.source + '|//[^\r\n]*|' + brackets.S_QBLOCK2, 'g')
-
 function riotjs (js) {
@@ -368,3 +479,4 @@ var
 
-  if (~js.indexOf('/')) js = rmComms(js, JS_COMMS)
+  const src = jsSplitter(js)
+  js = src.shift().join('<%>')
 
@@ -375,3 +487,3 @@ while ((match = js.match(JS_ES6SIGN))) {
     js  = RE.rightContext
-    pos = skipBody(js, JS_ES6END)
+    pos = skipBody(js)
 
@@ -396,24 +508,21 @@ method = match[1]
 
-  return parts.length ? parts.join('') + js : js
+  if (parts.length) {
+    js = parts.join('') + js
+  }
 
-  function rmComms (s, r, m) {
-    r.lastIndex = 0
-    while ((m = r.exec(s))) {
-      if (m[1]) {
-        r.lastIndex = brackets.skipRegex(s, m.index)
-      } else if (m[0][0] === '/') {
-        s = s.slice(0, m.index) + ' ' + s.slice(r.lastIndex)
-        r.lastIndex = m.index + 1
-      }
-    }
-    return s
+  if (src.length) {
+    js = js.replace(/<%>/g, function () {
+      return src.shift()
+    })
   }
 
-  function skipBody (s, r) {
-    var m, i = 1
+  return js
 
-    r.lastIndex = 0
-    while (i && (m = r.exec(s))) {
-      if (m[0] === '{') ++i
-      else if (m[0] === '}') --i
+  function skipBody (s) {
+    var r = /[{}]/g
+    var i = 1
+
+    while (i && r.exec(s)) {
+      if (s[r.lastIndex - 1] === '{') ++i
+      else --i
     }
@@ -746,3 +855,3 @@ return i ? s.length : r.lastIndex
 
-var version = 'v3.2.3'
+var version = 'v3.2.4'
 
@@ -749,0 +858,0 @@ export default {

dist/riot.compiler.js

@@ -94,3 +94,3 @@
 
-    es6: function (js, opts, url) {
+    es6: function (js, opts, url) {   // eslint-disable-line no-unused-vars
       return _r('Babel').transform( // eslint-disable-line
@@ -157,2 +157,117 @@ js,
 
+var S_SQ_STR = /'[^'\n\r\\]*(?:\\(?:\r\n?|[\S\s])[^'\n\r\\]*)*'/.source
+
+var S_R_SRC1 = [
+  /\/\*[^*]*\*+(?:[^*\/][^*]*\*+)*\//.source,
+  '//.*',
+  S_SQ_STR,
+  S_SQ_STR.replace(/'/g, '"'),
+  '([/`])'
+].join('|')
+
+var S_R_SRC2 = `${S_R_SRC1.slice(0, -2)}{}])`
+
+function skipES6str (code, start, stack) {
+
+  var re = /[`$\\]/g
+
+  re.lastIndex = start
+  while (re.exec(code)) {
+    var end = re.lastIndex
+    var c = code[end - 1]
+
+    if (c === '`') {
+      return end
+    }
+    if (c === '$' && code[end] === '{') {
+      stack.push('`', '}')
+      return end + 1
+    }
+    re.lastIndex++
+  }
+
+  throw new Error('Unclosed ES6 template')
+}
+
+function jsSplitter (code, start) {
+
+  var re1 = new RegExp(S_R_SRC1, 'g')
+  var re2
+
+  var skipRegex = brackets.skipRegex
+  var offset = start |= 0
+  var result = [[]]
+  var stack = []
+  var re = re1
+
+  var lastPos = re.lastIndex = offset
+  var str, ch, idx, end, match
+
+  while ((match = re.exec(code))) {
+    idx = match.index
+    end = re.lastIndex
+    str = ''
+    ch = match[1]
+
+    if (ch) {
+
+      if (ch === '{') {
+        stack.push('}')
+
+      } else if (ch === '}') {
+        if (stack.pop() !== ch) {
+          throw new Error("Unexpected '}'")
+
+        } else if (stack[stack.length - 1] === '`') {
+          ch = stack.pop()
+        }
+
+      } else if (ch === '/') {
+        end = skipRegex(code, idx)
+
+        if (end > idx + 1) {
+          str = code.slice(idx, end)
+        }
+      }
+
+      if (ch === '`') {
+        end = skipES6str(code, end, stack)
+        str = code.slice(idx, end)
+
+        if (stack.length) {
+          re = re2 || (re2 = new RegExp(S_R_SRC2, 'g'))
+        } else {
+          re = re1
+        }
+      }
+
+    } else {
+
+      str = match[0]
+
+      if (str[0] === '/') {
+        str = str[1] === '*' ? ' ' : ''
+        code = code.slice(offset, idx) + str + code.slice(end)
+        end = idx + str.length
+        str = ''
+
+      } else if (str.length === 2) {
+        str = ''
+      }
+    }
+
+    if (str) {
+      result[0].push(code.slice(lastPos, idx))
+      result.push(str)
+      lastPos = end
+    }
+
+    re.lastIndex = end
+  }
+
+  result[0].push(code.slice(lastPos))
+
+  return result
+}
+
 riot.parsers = parsers
@@ -162,3 +277,3 @@
  * Compiler for riot custom tags
- * @version v3.2.3
+ * @version v3.2.4
  */
@@ -351,6 +466,2 @@ var compile = (function () {
 
-  var JS_ES6END = RegExp('[{}]|' + brackets.S_QBLOCKS, 'g')
-
-  var JS_COMMS = RegExp(brackets.R_MLCOMMS.source + '|//[^\r\n]*|' + brackets.S_QBLOCK2, 'g')
-
   function riotjs (js) {
@@ -367,3 +478,4 @@ var
 
-    if (~js.indexOf('/')) js = rmComms(js, JS_COMMS)
+    const src = jsSplitter(js)
+    js = src.shift().join('<%>')
 
@@ -374,3 +486,3 @@ while ((match = js.match(JS_ES6SIGN))) {
       js  = RE.rightContext
-      pos = skipBody(js, JS_ES6END)
+      pos = skipBody(js)
 
@@ -395,24 +507,21 @@ method = match[1]
 
-    return parts.length ? parts.join('') + js : js
+    if (parts.length) {
+      js = parts.join('') + js
+    }
 
-    function rmComms (s, r, m) {
-      r.lastIndex = 0
-      while ((m = r.exec(s))) {
-        if (m[1]) {
-          r.lastIndex = brackets.skipRegex(s, m.index)
-        } else if (m[0][0] === '/') {
-          s = s.slice(0, m.index) + ' ' + s.slice(r.lastIndex)
-          r.lastIndex = m.index + 1
-        }
-      }
-      return s
+    if (src.length) {
+      js = js.replace(/<%>/g, function () {
+        return src.shift()
+      })
     }
 
-    function skipBody (s, r) {
-      var m, i = 1
+    return js
 
-      r.lastIndex = 0
-      while (i && (m = r.exec(s))) {
-        if (m[0] === '{') ++i
-        else if (m[0] === '}') --i
+    function skipBody (s) {
+      var r = /[{}]/g
+      var i = 1
+
+      while (i && r.exec(s)) {
+        if (s[r.lastIndex - 1] === '{') ++i
+        else --i
       }
@@ -750,3 +859,3 @@ return i ? s.length : r.lastIndex
     js: compileJS,
-    version: 'v3.2.3'
+    version: 'v3.2.4'
   }
@@ -753,0 +862,0 @@ return compile

lib/brackets.js

@@ -9,3 +9,3 @@ 'use strict'
 var safeRegex = require('./safe-regex')
-var skipRegex = require('./skip-regex')
+var skipRegex = require('skip-regex')
 
@@ -43,3 +43,3 @@ /**
 */
-var S_QBLOCK2 = R_STRINGS.source + '|' + /(\/)(?![*\/])/.source
+var S_QBLOCK2 = R_STRINGS.source + '|(/)(?![*/])'
 
@@ -46,0 +46,0 @@ /**

lib/compiler.js

 /**
- * The riot-compiler v3.2.3
+ * The riot-compiler v3.2.4
  *
  * @module compiler
- * @version v3.2.3
+ * @version v3.2.4
  * @license MIT
@@ -14,2 +14,3 @@ * @copyright Muut Inc. + contributors
 var safeRegex = require('./safe-regex')
+var jsSplitter = require('./js-splitter')
 var path      = require('path')
@@ -344,19 +345,2 @@
 /**
- * Regex for remotion of multiline and single-line JavaScript comments, merged with
- * {@link module:brackets.S_QBLOCKS|brackets.S_QBLOCKS} to skip literal string and regexes.
- * Used by the {@link module:compiler~riotjs|riotjs} parser.
- *
- * 2016-01-18: rewritten to not capture the brackets (reduces 9 steps)
- * @const {RegExp}
- */
-var JS_ES6END = RegExp('[{}]|' + brackets.S_QBLOCKS, 'g')
-
-/**
- * Regex for remotion of multiline and single-line JavaScript comments, merged with
- * {@link module:brackets.S_QBLOCKS|brackets.S_QBLOCKS} to skip literal string and regexes.
- * @const {RegExp}
- */
-var JS_COMMS = RegExp(brackets.R_MLCOMMS.source + '|//[^\r\n]*|' + brackets.S_QBLOCK2, 'g')
-
-/**
  * Default parser for JavaScript, supports ES6-like method syntax
@@ -378,3 +362,4 @@ *
 
-  if (~js.indexOf('/')) js = rmComms(js, JS_COMMS)
+  const src = jsSplitter(js)
+  js = src.shift().join('<%>')
 
@@ -385,3 +370,3 @@ while ((match = js.match(JS_ES6SIGN))) {
     js  = RE.rightContext
-    pos = skipBody(js, JS_ES6END)
+    pos = skipBody(js)
 
@@ -406,24 +391,21 @@ method = match[1]
 
-  return parts.length ? parts.join('') + js : js
+  if (parts.length) {
+    js = parts.join('') + js
+  }
 
-  function rmComms (s, r, m) {
-    r.lastIndex = 0
-    while ((m = r.exec(s))) {
-      if (m[1]) {
-        r.lastIndex = brackets.skipRegex(s, m.index)
-      } else if (m[0][0] === '/') {
-        s = s.slice(0, m.index) + ' ' + s.slice(r.lastIndex)
-        r.lastIndex = m.index + 1
-      }
-    }
-    return s
+  if (src.length) {
+    js = js.replace(/<%>/g, function () {
+      return src.shift()
+    })
   }
 
-  function skipBody (s, r) {
-    var m, i = 1
+  return js
 
-    r.lastIndex = 0
-    while (i && (m = r.exec(s))) {
-      if (m[0] === '{') ++i
-      else if (m[0] === '}') --i
+  function skipBody (s) {
+    var r = /[{}]/g
+    var i = 1
+
+    while (i && r.exec(s)) {
+      if (s[r.lastIndex - 1] === '{') ++i
+      else --i
     }
@@ -1018,3 +1000,3 @@ return i ? s.length : r.lastIndex
   parsers: parsers,
-  version: 'v3.2.3'
+  version: 'v3.2.4'
 }

package.json

 {
   "name": "riot-compiler",
-  "version": "3.2.3",
+  "version": "3.2.4",
   "description": "Compiler for riot .tag files",
   "main": "lib/compiler.js",
+  "module": "dist/es6.compiler.js",
   "jsnext:main": "dist/es6.compiler.js",
@@ -22,3 +23,3 @@ "directories": {
     "install-css": "npm i stylus nib node-sass less postcss autoprefixer",
-    "prepublish": "make build && ./node_modules/.bin/riot-bump && ./node_modules/.bin/riot-bump lib"
+    "prepublish": "make build && riot-bump && riot-bump lib"
   },
@@ -56,3 +57,6 @@ "repository": {
   },
-  "homepage": "https://github.com/riot/compiler#readme"
+  "homepage": "https://github.com/riot/compiler#readme",
+  "dependencies": {
+    "skip-regex": "^0.2.0"
+  }
 }

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Improved metrics

Total package byte prevSize

133982

increased by2.41%

Lines of code

2933

increased by5.73%

Worsened metrics

Dependency count

1

increased byInfinity%

Dependency changes

• + Addedskip-regex@^0.2.0

• + Addedskip-regex@0.2.0(transitive)