node fixes, updates

1 files changed, 41 insertions, 25 deletions

diff --git a/node_modules/yaml/dist/parse/lexer.js b/node_modules/yaml/dist/parse/lexer.js
index f408ce49..9ac766e9 100644
--- a/node_modules/yaml/dist/parse/lexer.js
+++ b/node_modules/yaml/dist/parse/lexer.js
@@ -81,11 +81,11 @@ function isEmpty(ch) {
             return false;
     }
 }
-const hexDigits = '0123456789ABCDEFabcdef'.split('');
-const tagChars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-#;/?:@&=+$_.!~*'()".split('');
-const invalidFlowScalarChars = ',[]{}'.split('');
-const invalidAnchorChars = ' ,[]{}\n\r\t'.split('');
-const isNotAnchorChar = (ch) => !ch || invalidAnchorChars.includes(ch);
+const hexDigits = new Set('0123456789ABCDEFabcdef');
+const tagChars = new Set("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-#;/?:@&=+$_.!~*'()");
+const flowIndicatorChars = new Set(',[]{}');
+const invalidAnchorChars = new Set(' ,[]{}\n\r\t');
+const isNotAnchorChar = (ch) => !ch || invalidAnchorChars.has(ch);
 /**
  * Splits an input string into lexical tokens, i.e. smaller strings that are
  * easily identifiable by `tokens.tokenType()`.
@@ -151,6 +151,8 @@ class Lexer {
      */
     *lex(source, incomplete = false) {
         if (source) {
+            if (typeof source !== 'string')
+                throw TypeError('source is not a string');
             this.buffer = this.buffer ? this.buffer + source : source;
             this.lineEndPos = null;
         }
@@ -250,11 +252,16 @@ class Lexer {
         }
         if (line[0] === '%') {
             let dirEnd = line.length;
-            const cs = line.indexOf('#');
-            if (cs !== -1) {
+            let cs = line.indexOf('#');
+            while (cs !== -1) {
                 const ch = line[cs - 1];
-                if (ch === ' ' || ch === '\t')
+                if (ch === ' ' || ch === '\t') {
                     dirEnd = cs - 1;
+                    break;
+                }
+                else {
+                    cs = line.indexOf('#', cs + 1);
+                }
             }
             while (true) {
                 const ch = line[dirEnd - 1];
@@ -285,15 +292,11 @@ class Lexer {
             if (!this.atEnd && !this.hasChars(4))
                 return this.setNext('line-start');
             const s = this.peek(3);
-            if (s === '---' && isEmpty(this.charAt(3))) {
+            if ((s === '---' || s === '...') && isEmpty(this.charAt(3))) {
                 yield* this.pushCount(3);
                 this.indentValue = 0;
                 this.indentNext = 0;
-                return 'doc';
-            }
-            else if (s === '...' && isEmpty(this.charAt(3))) {
-                yield* this.pushCount(3);
-                return 'stream';
+                return s === '---' ? 'doc' : 'stream';
             }
         }
         this.indentValue = yield* this.pushSpaces(false);
@@ -520,8 +523,10 @@ class Lexer {
         if (indent >= this.indentNext) {
             if (this.blockScalarIndent === -1)
                 this.indentNext = indent;
-            else
-                this.indentNext += this.blockScalarIndent;
+            else {
+                this.indentNext =
+                    this.blockScalarIndent + (this.indentNext === 0 ? 1 : this.indentNext);
+            }
             do {
                 const cs = this.continueScalar(nl + 1);
                 if (cs === -1)
@@ -534,14 +539,25 @@ class Lexer {
                 nl = this.buffer.length;
             }
         }
-        if (!this.blockScalarKeep) {
+        // Trailing insufficiently indented tabs are invalid.
+        // To catch that during parsing, we include them in the block scalar value.
+        let i = nl + 1;
+        ch = this.buffer[i];
+        while (ch === ' ')
+            ch = this.buffer[++i];
+        if (ch === '\t') {
+            while (ch === '\t' || ch === ' ' || ch === '\r' || ch === '\n')
+                ch = this.buffer[++i];
+            nl = i - 1;
+        }
+        else if (!this.blockScalarKeep) {
             do {
                 let i = nl - 1;
                 let ch = this.buffer[i];
                 if (ch === '\r')
                     ch = this.buffer[--i];
                 const lastChar = i; // Drop the line if last char not more indented
-                while (ch === ' ' || ch === '\t')
+                while (ch === ' ')
                     ch = this.buffer[--i];
                 if (ch === '\n' && i >= this.pos && i + 1 + indent > lastChar)
                     nl = i;
@@ -561,7 +577,7 @@ class Lexer {
         while ((ch = this.buffer[++i])) {
             if (ch === ':') {
                 const next = this.buffer[i + 1];
-                if (isEmpty(next) || (inFlow && next === ','))
+                if (isEmpty(next) || (inFlow && flowIndicatorChars.has(next)))
                     break;
                 end = i;
             }
@@ -576,7 +592,7 @@ class Lexer {
                     else
                         end = i;
                 }
-                if (next === '#' || (inFlow && invalidFlowScalarChars.includes(next)))
+                if (next === '#' || (inFlow && flowIndicatorChars.has(next)))
                     break;
                 if (ch === '\n') {
                     const cs = this.continueScalar(i + 1);
@@ -586,7 +602,7 @@ class Lexer {
                 }
             }
             else {
-                if (inFlow && invalidFlowScalarChars.includes(ch))
+                if (inFlow && flowIndicatorChars.has(ch))
                     break;
                 end = i;
             }
@@ -631,7 +647,7 @@ class Lexer {
             case ':': {
                 const inFlow = this.flowLevel > 0;
                 const ch1 = this.charAt(1);
-                if (isEmpty(ch1) || (inFlow && invalidFlowScalarChars.includes(ch1))) {
+                if (isEmpty(ch1) || (inFlow && flowIndicatorChars.has(ch1))) {
                     if (!inFlow)
                         this.indentNext = this.indentValue + 1;
                     else if (this.flowKey)
@@ -656,11 +672,11 @@ class Lexer {
             let i = this.pos + 1;
             let ch = this.buffer[i];
             while (ch) {
-                if (tagChars.includes(ch))
+                if (tagChars.has(ch))
                     ch = this.buffer[++i];
                 else if (ch === '%' &&
-                    hexDigits.includes(this.buffer[i + 1]) &&
-                    hexDigits.includes(this.buffer[i + 2])) {
+                    hexDigits.has(this.buffer[i + 1]) &&
+                    hexDigits.has(this.buffer[i + 2])) {
                     ch = this.buffer[(i += 3)];
                 }
                 else