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@worker-tools/json-stream/esm/json-parser.js

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1// deno-lint-ignore-file no-unused-vars no-case-declarations
2// Modernized/de-nodified version of creationix/jsonparse
3// Copyright (c) 2012 Tim Caswell
4// Licensed under the MIT (licenses/MIT.md) license.
5// TODO: TypeScript conversion? 
6// TODO: Integrate with other modules for better performance
7// Named constants with unique integer values
8const C = {};
9// Tokens
10const LEFT_BRACE = C.LEFT_BRACE = 0x1;
11const RIGHT_BRACE = C.RIGHT_BRACE = 0x2;
12const LEFT_BRACKET = C.LEFT_BRACKET = 0x3;
13const RIGHT_BRACKET = C.RIGHT_BRACKET = 0x4;
14const COLON = C.COLON = 0x5;
15const COMMA = C.COMMA = 0x6;
16const TRUE = C.TRUE = 0x7;
17const FALSE = C.FALSE = 0x8;
18const NULL = C.NULL = 0x9;
19const STRING = C.STRING = 0xa;
20const NUMBER = C.NUMBER = 0xb;
21// Tokenizer States
22const START = C.START = 0x11;
23const STOP = C.STOP = 0x12;
24const TRUE1 = C.TRUE1 = 0x21;
25const TRUE2 = C.TRUE2 = 0x22;
26const TRUE3 = C.TRUE3 = 0x23;
27const FALSE1 = C.FALSE1 = 0x31;
28const FALSE2 = C.FALSE2 = 0x32;
29const FALSE3 = C.FALSE3 = 0x33;
30const FALSE4 = C.FALSE4 = 0x34;
31const NULL1 = C.NULL1 = 0x41;
32const NULL2 = C.NULL2 = 0x42;
33const NULL3 = C.NULL3 = 0x43;
34const NUMBER1 = C.NUMBER1 = 0x51;
35const NUMBER3 = C.NUMBER3 = 0x53;
36const STRING1 = C.STRING1 = 0x61;
37const STRING2 = C.STRING2 = 0x62;
38const STRING3 = C.STRING3 = 0x63;
39const STRING4 = C.STRING4 = 0x64;
40const STRING5 = C.STRING5 = 0x65;
41const STRING6 = C.STRING6 = 0x66;
42// Parser States
43const VALUE = C.VALUE = 0x71;
44const KEY = C.KEY = 0x72;
45// Parser Modes
46const OBJECT = C.OBJECT = 0x81;
47const ARRAY = C.ARRAY = 0x82;
48// Character constants
49const BACK_SLASH = "\\".charCodeAt(0);
50const FORWARD_SLASH = "\/".charCodeAt(0);
51const BACKSPACE = "\b".charCodeAt(0);
52const FORM_FEED = "\f".charCodeAt(0);
53const NEWLINE = "\n".charCodeAt(0);
54const CARRIAGE_RETURN = "\r".charCodeAt(0);
55const TAB = "\t".charCodeAt(0);
56const STRING_BUFFER_SIZE = 64 * 1024;
57function alloc(size) {
  return new Uint8Array(size);
59}
60class Parser {
  constructor() {
      this.tState = START;
      this.value = undefined;
      this.string = undefined; // string data
      this.stringBuffer = alloc(STRING_BUFFER_SIZE);
      this.stringBufferOffset = 0;
      this.unicode = undefined; // unicode escapes
      this.highSurrogate = undefined;
      this.key = undefined;
      this.mode = undefined;
      this.stack = [];
      this.state = VALUE;
      this.bytes_remaining = 0; // number of bytes remaining in multi byte utf8 char to read after split boundary
      this.bytes_in_sequence = 0; // bytes in multi byte utf8 char to read
      this.temp_buffs = { "2": alloc(2), "3": alloc(3), "4": alloc(4) }; // for rebuilding chars split before boundary is reached
      this.encoder = new TextEncoder();
      this.decoder = new TextDecoder();
      // Stream offset
      this.offset = -1;
  }
  // Slow code to string converter (only used when throwing syntax errors)
  static toknam(code) {
      const keys = Object.keys(C);
      for (let i = 0, l = keys.length; i < l; i++) {
          const key = keys[i];
          if (C[key] === code) {
              return key;
          }
      }
      return code && ("0x" + code.toString(16));
  }
  encode(string) { return this.encoder.encode(string); }
  decode(buffer) { return this.decoder.decode(buffer); }
  onError(err) { throw err; }
  charError(buffer, i) {
      this.tState = STOP;
      this.onError(new Error("Unexpected " + JSON.stringify(String.fromCharCode(buffer[i])) + " at position " + i + " in state " + Parser.toknam(this.tState)));
  }
  appendStringChar(char) {
      if (this.stringBufferOffset >= STRING_BUFFER_SIZE) {
          this.string += this.decode(this.stringBuffer);
          this.stringBufferOffset = 0;
      }
      this.stringBuffer[this.stringBufferOffset++] = char;
  }
  appendStringBuf(buf, start, end) {
      let size = buf.length;
      if (typeof start === 'number') {
          if (typeof end === 'number') {
              if (end < 0) {
                  // adding a negative end decreeses the size
                  size = buf.length - start + end;
              }
              else {
                  size = end - start;
              }
          }
          else {
              size = buf.length - start;
          }
      }
      if (size < 0) {
          size = 0;
      }
      if (this.stringBufferOffset + size > STRING_BUFFER_SIZE) {
          this.string += this.decode(this.stringBuffer.subarray(0, this.stringBufferOffset));
          this.stringBufferOffset = 0;
      }
      this.stringBuffer.set(buf.subarray(start, end), this.stringBufferOffset);
      this.stringBufferOffset += size;
  }
  write(buffer) {
      if (typeof buffer === "string")
          buffer = this.encode(buffer);
      let n;
      for (let i = 0, l = buffer.length; i < l; i++) {
          if (this.tState === START) {
              n = buffer[i];
              this.offset++;
              if (n === 0x7b) {
                  this.onToken(LEFT_BRACE, "{"); // {
              }
              else if (n === 0x7d) {
                  this.onToken(RIGHT_BRACE, "}"); // }
              }
              else if (n === 0x5b) {
                  this.onToken(LEFT_BRACKET, "["); // [
              }
              else if (n === 0x5d) {
                  this.onToken(RIGHT_BRACKET, "]"); // ]
              }
              else if (n === 0x3a) {
                  this.onToken(COLON, ":"); // :
              }
              else if (n === 0x2c) {
                  this.onToken(COMMA, ","); // ,
              }
              else if (n === 0x74) {
                  this.tState = TRUE1; // t
              }
              else if (n === 0x66) {
                  this.tState = FALSE1; // f
              }
              else if (n === 0x6e) {
                  this.tState = NULL1; // n
              }
              else if (n === 0x22) { // "
                  this.string = "";
                  this.stringBufferOffset = 0;
                  this.tState = STRING1;
              }
              else if (n === 0x2d) {
                  this.string = "-";
                  this.tState = NUMBER1; // -
              }
              else {
                  if (n >= 0x30 && n < 0x40) { // 1-9
                      this.string = String.fromCharCode(n);
                      this.tState = NUMBER3;
                  }
                  else if (n === 0x20 || n === 0x09 || n === 0x0a || n === 0x0d) {
                      // whitespace
                  }
                  else {
                      return this.charError(buffer, i);
                  }
              }
          }
          else if (this.tState === STRING1) { // After open quote
              n = buffer[i]; // get current byte from buffer
              // check for carry over of a multi byte char split between data chunks
              // & fill temp buffer it with start of this data chunk up to the boundary limit set in the last iteration
              if (this.bytes_remaining > 0) {
                  let j;
                  for (j = 0; j < this.bytes_remaining; j++) {
                      this.temp_buffs[this.bytes_in_sequence][this.bytes_in_sequence - this.bytes_remaining + j] = buffer[j];
                  }
                  this.appendStringBuf(this.temp_buffs[this.bytes_in_sequence]);
                  this.bytes_in_sequence = this.bytes_remaining = 0;
                  i = i + j - 1;
              }
              else if (this.bytes_remaining === 0 && n >= 128) { // else if no remainder bytes carried over, parse multi byte (>=128) chars one at a time
                  if (n <= 193 || n > 244) {
                      return this.onError(new Error("Invalid UTF-8 character at position " + i + " in state " + Parser.toknam(this.tState)));
                  }
                  if ((n >= 194) && (n <= 223))
                      this.bytes_in_sequence = 2;
                  if ((n >= 224) && (n <= 239))
                      this.bytes_in_sequence = 3;
                  if ((n >= 240) && (n <= 244))
                      this.bytes_in_sequence = 4;
                  if ((this.bytes_in_sequence + i) > buffer.length) { // if bytes needed to complete char fall outside buffer length, we have a boundary split
                      for (let k = 0; k <= (buffer.length - 1 - i); k++) {
                          this.temp_buffs[this.bytes_in_sequence][k] = buffer[i + k]; // fill temp buffer of correct size with bytes available in this chunk
                      }
                      this.bytes_remaining = (i + this.bytes_in_sequence) - buffer.length;
                      i = buffer.length - 1;
                  }
                  else {
                      this.appendStringBuf(buffer, i, i + this.bytes_in_sequence);
                      i = i + this.bytes_in_sequence - 1;
                  }
              }
              else if (n === 0x22) {
                  this.tState = START;
                  this.string += this.decode(this.stringBuffer.subarray(0, this.stringBufferOffset));
                  this.stringBufferOffset = 0;
                  this.onToken(STRING, this.string);
                  this.offset += this.encode(this.string).length + 1;
                  this.string = undefined;
              }
              else if (n === 0x5c) {
                  this.tState = STRING2;
              }
              else if (n >= 0x20) {
                  this.appendStringChar(n);
              }
              else {
                  return this.charError(buffer, i);
              }
          }
          else if (this.tState === STRING2) { // After backslash
              n = buffer[i];
              if (n === 0x22) {
                  this.appendStringChar(n);
                  this.tState = STRING1;
              }
              else if (n === 0x5c) {
                  this.appendStringChar(BACK_SLASH);
                  this.tState = STRING1;
              }
              else if (n === 0x2f) {
                  this.appendStringChar(FORWARD_SLASH);
                  this.tState = STRING1;
              }
              else if (n === 0x62) {
                  this.appendStringChar(BACKSPACE);
                  this.tState = STRING1;
              }
              else if (n === 0x66) {
                  this.appendStringChar(FORM_FEED);
                  this.tState = STRING1;
              }
              else if (n === 0x6e) {
                  this.appendStringChar(NEWLINE);
                  this.tState = STRING1;
              }
              else if (n === 0x72) {
                  this.appendStringChar(CARRIAGE_RETURN);
                  this.tState = STRING1;
              }
              else if (n === 0x74) {
                  this.appendStringChar(TAB);
                  this.tState = STRING1;
              }
              else if (n === 0x75) {
                  this.unicode = "";
                  this.tState = STRING3;
              }
              else {
                  return this.charError(buffer, i);
              }
          }
          else if (this.tState === STRING3 || this.tState === STRING4 || this.tState === STRING5 || this.tState === STRING6) { // unicode hex codes
              n = buffer[i];
              // 0-9 A-F a-f
              if ((n >= 0x30 && n < 0x40) || (n > 0x40 && n <= 0x46) || (n > 0x60 && n <= 0x66)) {
                  this.unicode += String.fromCharCode(n);
                  if (this.tState++ === STRING6) {
                      const intVal = parseInt(this.unicode, 16);
                      this.unicode = undefined;
                      if (this.highSurrogate !== undefined && intVal >= 0xDC00 && intVal < (0xDFFF + 1)) { //<56320,57343> - lowSurrogate
                          this.appendStringBuf(this.encode(String.fromCharCode(this.highSurrogate, intVal)));
                          this.highSurrogate = undefined;
                      }
                      else if (this.highSurrogate === undefined && intVal >= 0xD800 && intVal < (0xDBFF + 1)) { //<55296,56319> - highSurrogate
                          this.highSurrogate = intVal;
                      }
                      else {
                          if (this.highSurrogate !== undefined) {
                              this.appendStringBuf(this.encode(String.fromCharCode(this.highSurrogate)));
                              this.highSurrogate = undefined;
                          }
                          this.appendStringBuf(this.encode(String.fromCharCode(intVal)));
                      }
                      this.tState = STRING1;
                  }
              }
              else {
                  return this.charError(buffer, i);
              }
          }
          else if (this.tState === NUMBER1 || this.tState === NUMBER3) {
              n = buffer[i];
              switch (n) {
                  case 0x30: // 0
                  case 0x31: // 1
                  case 0x32: // 2
                  case 0x33: // 3
                  case 0x34: // 4
                  case 0x35: // 5
                  case 0x36: // 6
                  case 0x37: // 7
                  case 0x38: // 8
                  case 0x39: // 9
                  case 0x2e: // .
                  case 0x65: // e
                  case 0x45: // E
                  case 0x2b: // +
                  case 0x2d: // -
                      this.string += String.fromCharCode(n);
                      this.tState = NUMBER3;
                      break;
                  default:
                      this.tState = START;
                      const error = this.numberReviver(this.string);
                      if (error) {
                          return error;
                      }
                      this.offset += this.string.length - 1;
                      this.string = undefined;
                      i--;
                      break;
              }
          }
          else if (this.tState === TRUE1) { // r
              if (buffer[i] === 0x72) {
                  this.tState = TRUE2;
              }
              else {
                  return this.charError(buffer, i);
              }
          }
          else if (this.tState === TRUE2) { // u
              if (buffer[i] === 0x75) {
                  this.tState = TRUE3;
              }
              else {
                  return this.charError(buffer, i);
              }
          }
          else if (this.tState === TRUE3) { // e
              if (buffer[i] === 0x65) {
                  this.tState = START;
                  this.onToken(TRUE, true);
                  this.offset += 3;
              }
              else {
                  return this.charError(buffer, i);
              }
          }
          else if (this.tState === FALSE1) { // a
              if (buffer[i] === 0x61) {
                  this.tState = FALSE2;
              }
              else {
                  return this.charError(buffer, i);
              }
          }
          else if (this.tState === FALSE2) { // l
              if (buffer[i] === 0x6c) {
                  this.tState = FALSE3;
              }
              else {
                  return this.charError(buffer, i);
              }
          }
          else if (this.tState === FALSE3) { // s
              if (buffer[i] === 0x73) {
                  this.tState = FALSE4;
              }
              else {
                  return this.charError(buffer, i);
              }
          }
          else if (this.tState === FALSE4) { // e
              if (buffer[i] === 0x65) {
                  this.tState = START;
                  this.onToken(FALSE, false);
                  this.offset += 4;
              }
              else {
                  return this.charError(buffer, i);
              }
          }
          else if (this.tState === NULL1) { // u
              if (buffer[i] === 0x75) {
                  this.tState = NULL2;
              }
              else {
                  return this.charError(buffer, i);
              }
          }
          else if (this.tState === NULL2) { // l
              if (buffer[i] === 0x6c) {
                  this.tState = NULL3;
              }
              else {
                  return this.charError(buffer, i);
              }
          }
          else if (this.tState === NULL3) { // l
              if (buffer[i] === 0x6c) {
                  this.tState = START;
                  this.onToken(NULL, null);
                  this.offset += 3;
              }
              else {
                  return this.charError(buffer, i);
              }
          }
      }
  }
  parseError(token, value) {
      this.tState = STOP;
      this.onError(new Error("Unexpected " + Parser.toknam(token) + (value ? ("(" + JSON.stringify(value) + ")") : "") + " in state " + Parser.toknam(this.state)));
  }
  push() {
      this.stack.push({ value: this.value, key: this.key, mode: this.mode });
  }
  pop() {
      const value = this.value;
      const parent = this.stack.pop();
      this.value = parent.value;
      this.key = parent.key;
      this.mode = parent.mode;
      this.emit(value);
      if (!this.mode) {
          this.state = VALUE;
      }
  }
  emit(value) {
      if (this.mode) {
          this.state = COMMA;
      }
      this.onValue(value);
  }
  onValue(value) {
      // Override me
  }
  onToken(token, value) {
      if (this.state === VALUE) {
          if (token === STRING || token === NUMBER || token === TRUE || token === FALSE || token === NULL) {
              if (this.value) {
                  this.value[this.key] = value;
              }
              this.emit(value);
          }
          else if (token === LEFT_BRACE) {
              this.push();
              if (this.value) {
                  this.value = this.value[this.key] = {};
              }
              else {
                  this.value = {};
              }
              this.key = undefined;
              this.state = KEY;
              this.mode = OBJECT;
          }
          else if (token === LEFT_BRACKET) {
              this.push();
              if (this.value) {
                  this.value = this.value[this.key] = [];
              }
              else {
                  this.value = [];
              }
              this.key = 0;
              this.mode = ARRAY;
              this.state = VALUE;
          }
          else if (token === RIGHT_BRACE) {
              if (this.mode === OBJECT) {
                  this.pop();
              }
              else {
                  return this.parseError(token, value);
              }
          }
          else if (token === RIGHT_BRACKET) {
              if (this.mode === ARRAY) {
                  this.pop();
              }
              else {
                  return this.parseError(token, value);
              }
          }
          else {
              return this.parseError(token, value);
          }
      }
      else if (this.state === KEY) {
          if (token === STRING) {
              this.key = value;
              this.state = COLON;
          }
          else if (token === RIGHT_BRACE) {
              this.pop();
          }
          else {
              return this.parseError(token, value);
          }
      }
      else if (this.state === COLON) {
          if (token === COLON) {
              this.state = VALUE;
          }
          else {
              return this.parseError(token, value);
          }
      }
      else if (this.state === COMMA) {
          if (token === COMMA) {
              if (this.mode === ARRAY) {
                  this.key++;
                  this.state = VALUE;
              }
              else if (this.mode === OBJECT) {
                  this.state = KEY;
              }
          }
          else if (token === RIGHT_BRACKET && this.mode === ARRAY || token === RIGHT_BRACE && this.mode === OBJECT) {
              this.pop();
          }
          else {
              return this.parseError(token, value);
          }
      }
      else {
          return this.parseError(token, value);
      }
  }
  // Override to implement your own number reviver.
  // Any value returned is treated as error and will interrupt parsing.
  numberReviver(text) {
      const result = Number(text);
      if (isNaN(result)) {
          return this.charError(buffer, i);
      }
      if ((text.match(/[0-9]+/) == text) && (result.toString() != text)) {
          // Long string of digits which is an ID string and not valid and/or safe JavaScript integer Number
          this.onToken(STRING, text);
      }
      else {
          this.onToken(NUMBER, result);
      }
  }
569}
570Parser.C = C;
571export { Parser as JSONParser };
572export default Parser;
573//# sourceMappingURL=json-parser.js.map
\No newline at end of file

1	`// deno-lint-ignore-file no-unused-vars no-case-declarations`
2	`// Modernized/de-nodified version of creationix/jsonparse`
3	`// Copyright (c) 2012 Tim Caswell`
4	`// Licensed under the MIT (licenses/MIT.md) license.`
5	`// TODO: TypeScript conversion?`
6	`// TODO: Integrate with other modules for better performance`
7	`// Named constants with unique integer values`
8	`const C = {};`
9	`// Tokens`
10	`const LEFT_BRACE = C.LEFT_BRACE = 0x1;`
11	`const RIGHT_BRACE = C.RIGHT_BRACE = 0x2;`
12	`const LEFT_BRACKET = C.LEFT_BRACKET = 0x3;`
13	`const RIGHT_BRACKET = C.RIGHT_BRACKET = 0x4;`
14	`const COLON = C.COLON = 0x5;`
15	`const COMMA = C.COMMA = 0x6;`
16	`const TRUE = C.TRUE = 0x7;`
17	`const FALSE = C.FALSE = 0x8;`
18	`const NULL = C.NULL = 0x9;`
19	`const STRING = C.STRING = 0xa;`
20	`const NUMBER = C.NUMBER = 0xb;`
21	`// Tokenizer States`
22	`const START = C.START = 0x11;`
23	`const STOP = C.STOP = 0x12;`
24	`const TRUE1 = C.TRUE1 = 0x21;`
25	`const TRUE2 = C.TRUE2 = 0x22;`
26	`const TRUE3 = C.TRUE3 = 0x23;`
27	`const FALSE1 = C.FALSE1 = 0x31;`
28	`const FALSE2 = C.FALSE2 = 0x32;`
29	`const FALSE3 = C.FALSE3 = 0x33;`
30	`const FALSE4 = C.FALSE4 = 0x34;`
31	`const NULL1 = C.NULL1 = 0x41;`
32	`const NULL2 = C.NULL2 = 0x42;`
33	`const NULL3 = C.NULL3 = 0x43;`
34	`const NUMBER1 = C.NUMBER1 = 0x51;`
35	`const NUMBER3 = C.NUMBER3 = 0x53;`
36	`const STRING1 = C.STRING1 = 0x61;`
37	`const STRING2 = C.STRING2 = 0x62;`
38	`const STRING3 = C.STRING3 = 0x63;`
39	`const STRING4 = C.STRING4 = 0x64;`
40	`const STRING5 = C.STRING5 = 0x65;`
41	`const STRING6 = C.STRING6 = 0x66;`
42	`// Parser States`
43	`const VALUE = C.VALUE = 0x71;`
44	`const KEY = C.KEY = 0x72;`
45	`// Parser Modes`
46	`const OBJECT = C.OBJECT = 0x81;`
47	`const ARRAY = C.ARRAY = 0x82;`
48	`// Character constants`
49	`const BACK_SLASH = "\\".charCodeAt(0);`
50	`const FORWARD_SLASH = "\/".charCodeAt(0);`
51	`const BACKSPACE = "\b".charCodeAt(0);`
52	`const FORM_FEED = "\f".charCodeAt(0);`
53	`const NEWLINE = "\n".charCodeAt(0);`
54	`const CARRIAGE_RETURN = "\r".charCodeAt(0);`
55	`const TAB = "\t".charCodeAt(0);`
56	`const STRING_BUFFER_SIZE = 64 * 1024;`
57	`function alloc(size) {`
58	`return new Uint8Array(size);`
59	`}`
60	`class Parser {`
61	`constructor() {`
62	`this.tState = START;`
63	`this.value = undefined;`
64	`this.string = undefined; // string data`
65	`this.stringBuffer = alloc(STRING_BUFFER_SIZE);`
66	`this.stringBufferOffset = 0;`
67	`this.unicode = undefined; // unicode escapes`
68	`this.highSurrogate = undefined;`
69	`this.key = undefined;`
70	`this.mode = undefined;`
71	`this.stack = [];`
72	`this.state = VALUE;`
73	`this.bytes_remaining = 0; // number of bytes remaining in multi byte utf8 char to read after split boundary`
74	`this.bytes_in_sequence = 0; // bytes in multi byte utf8 char to read`
75	`this.temp_buffs = { "2": alloc(2), "3": alloc(3), "4": alloc(4) }; // for rebuilding chars split before boundary is reached`
76	`this.encoder = new TextEncoder();`
77	`this.decoder = new TextDecoder();`
78	`// Stream offset`
79	`this.offset = -1;`
80	`}`
81	`// Slow code to string converter (only used when throwing syntax errors)`
82	`static toknam(code) {`
83	`const keys = Object.keys(C);`
84	`for (let i = 0, l = keys.length; i < l; i++) {`
85	`const key = keys[i];`
86	`if (C[key] === code) {`
87	`return key;`
88	`}`
89	`}`
90	`return code && ("0x" + code.toString(16));`
91	`}`
92	`encode(string) { return this.encoder.encode(string); }`
93	`decode(buffer) { return this.decoder.decode(buffer); }`
94	`onError(err) { throw err; }`
95	`charError(buffer, i) {`
96	`this.tState = STOP;`
97	`this.onError(new Error("Unexpected " + JSON.stringify(String.fromCharCode(buffer[i])) + " at position " + i + " in state " + Parser.toknam(this.tState)));`
98	`}`
99	`appendStringChar(char) {`
100	`if (this.stringBufferOffset >= STRING_BUFFER_SIZE) {`
101	`this.string += this.decode(this.stringBuffer);`
102	`this.stringBufferOffset = 0;`
103	`}`
104	`this.stringBuffer[this.stringBufferOffset++] = char;`
105	`}`
106	`appendStringBuf(buf, start, end) {`
107	`let size = buf.length;`
108	`if (typeof start === 'number') {`
109	`if (typeof end === 'number') {`
110	`if (end < 0) {`
111	`// adding a negative end decreeses the size`
112	`size = buf.length - start + end;`
113	`}`
114	`else {`
115	`size = end - start;`
116	`}`
117	`}`
118	`else {`
119	`size = buf.length - start;`
120	`}`
121	`}`
122	`if (size < 0) {`
123	`size = 0;`
124	`}`
125	`if (this.stringBufferOffset + size > STRING_BUFFER_SIZE) {`
126	`this.string += this.decode(this.stringBuffer.subarray(0, this.stringBufferOffset));`
127	`this.stringBufferOffset = 0;`
128	`}`
129	`this.stringBuffer.set(buf.subarray(start, end), this.stringBufferOffset);`
130	`this.stringBufferOffset += size;`
131	`}`
132	`write(buffer) {`
133	`if (typeof buffer === "string")`
134	`buffer = this.encode(buffer);`
135	`let n;`
136	`for (let i = 0, l = buffer.length; i < l; i++) {`
137	`if (this.tState === START) {`
138	`n = buffer[i];`
139	`this.offset++;`
140	`if (n === 0x7b) {`
141	`this.onToken(LEFT_BRACE, "{"); // {`
142	`}`
143	`else if (n === 0x7d) {`
144	`this.onToken(RIGHT_BRACE, "}"); // }`
145	`}`
146	`else if (n === 0x5b) {`
147	`this.onToken(LEFT_BRACKET, "["); // [`
148	`}`
149	`else if (n === 0x5d) {`
150	`this.onToken(RIGHT_BRACKET, "]"); // ]`
151	`}`
152	`else if (n === 0x3a) {`
153	`this.onToken(COLON, ":"); // :`
154	`}`
155	`else if (n === 0x2c) {`
156	`this.onToken(COMMA, ","); // ,`
157	`}`
158	`else if (n === 0x74) {`
159	`this.tState = TRUE1; // t`
160	`}`
161	`else if (n === 0x66) {`
162	`this.tState = FALSE1; // f`
163	`}`
164	`else if (n === 0x6e) {`
165	`this.tState = NULL1; // n`
166	`}`
167	`else if (n === 0x22) { // "`
168	`this.string = "";`
169	`this.stringBufferOffset = 0;`
170	`this.tState = STRING1;`
171	`}`
172	`else if (n === 0x2d) {`
173	`this.string = "-";`
174	`this.tState = NUMBER1; // -`
175	`}`
176	`else {`
177	`if (n >= 0x30 && n < 0x40) { // 1-9`
178	`this.string = String.fromCharCode(n);`
179	`this.tState = NUMBER3;`
180	`}`
181	`else if (n === 0x20 \|\| n === 0x09 \|\| n === 0x0a \|\| n === 0x0d) {`
182	`// whitespace`
183	`}`
184	`else {`
185	`return this.charError(buffer, i);`
186	`}`
187	`}`
188	`}`
189	`else if (this.tState === STRING1) { // After open quote`
190	`n = buffer[i]; // get current byte from buffer`
191	`// check for carry over of a multi byte char split between data chunks`
192	`// & fill temp buffer it with start of this data chunk up to the boundary limit set in the last iteration`
193	`if (this.bytes_remaining > 0) {`
194	`let j;`
195	`for (j = 0; j < this.bytes_remaining; j++) {`
196	`this.temp_buffs[this.bytes_in_sequence][this.bytes_in_sequence - this.bytes_remaining + j] = buffer[j];`
197	`}`
198	`this.appendStringBuf(this.temp_buffs[this.bytes_in_sequence]);`
199	`this.bytes_in_sequence = this.bytes_remaining = 0;`
200	`i = i + j - 1;`
201	`}`
202	`else if (this.bytes_remaining === 0 && n >= 128) { // else if no remainder bytes carried over, parse multi byte (>=128) chars one at a time`
203	`if (n <= 193 \|\| n > 244) {`
204	`return this.onError(new Error("Invalid UTF-8 character at position " + i + " in state " + Parser.toknam(this.tState)));`
205	`}`
206	`if ((n >= 194) && (n <= 223))`
207	`this.bytes_in_sequence = 2;`
208	`if ((n >= 224) && (n <= 239))`
209	`this.bytes_in_sequence = 3;`
210	`if ((n >= 240) && (n <= 244))`
211	`this.bytes_in_sequence = 4;`
212	`if ((this.bytes_in_sequence + i) > buffer.length) { // if bytes needed to complete char fall outside buffer length, we have a boundary split`
213	`for (let k = 0; k <= (buffer.length - 1 - i); k++) {`
214	`this.temp_buffs[this.bytes_in_sequence][k] = buffer[i + k]; // fill temp buffer of correct size with bytes available in this chunk`
215	`}`
216	`this.bytes_remaining = (i + this.bytes_in_sequence) - buffer.length;`
217	`i = buffer.length - 1;`
218	`}`
219	`else {`
220	`this.appendStringBuf(buffer, i, i + this.bytes_in_sequence);`
221	`i = i + this.bytes_in_sequence - 1;`
222	`}`
223	`}`
224	`else if (n === 0x22) {`
225	`this.tState = START;`
226	`this.string += this.decode(this.stringBuffer.subarray(0, this.stringBufferOffset));`
227	`this.stringBufferOffset = 0;`
228	`this.onToken(STRING, this.string);`
229	`this.offset += this.encode(this.string).length + 1;`
230	`this.string = undefined;`
231	`}`
232	`else if (n === 0x5c) {`
233	`this.tState = STRING2;`
234	`}`
235	`else if (n >= 0x20) {`
236	`this.appendStringChar(n);`
237	`}`
238	`else {`
239	`return this.charError(buffer, i);`
240	`}`
241	`}`
242	`else if (this.tState === STRING2) { // After backslash`
243	`n = buffer[i];`
244	`if (n === 0x22) {`
245	`this.appendStringChar(n);`
246	`this.tState = STRING1;`
247	`}`
248	`else if (n === 0x5c) {`
249	`this.appendStringChar(BACK_SLASH);`
250	`this.tState = STRING1;`
251	`}`
252	`else if (n === 0x2f) {`
253	`this.appendStringChar(FORWARD_SLASH);`
254	`this.tState = STRING1;`
255	`}`
256	`else if (n === 0x62) {`
257	`this.appendStringChar(BACKSPACE);`
258	`this.tState = STRING1;`
259	`}`
260	`else if (n === 0x66) {`
261	`this.appendStringChar(FORM_FEED);`
262	`this.tState = STRING1;`
263	`}`
264	`else if (n === 0x6e) {`
265	`this.appendStringChar(NEWLINE);`
266	`this.tState = STRING1;`
267	`}`
268	`else if (n === 0x72) {`
269	`this.appendStringChar(CARRIAGE_RETURN);`
270	`this.tState = STRING1;`
271	`}`
272	`else if (n === 0x74) {`
273	`this.appendStringChar(TAB);`
274	`this.tState = STRING1;`
275	`}`
276	`else if (n === 0x75) {`
277	`this.unicode = "";`
278	`this.tState = STRING3;`
279	`}`
280	`else {`
281	`return this.charError(buffer, i);`
282	`}`
283	`}`
284	`else if (this.tState === STRING3 \|\| this.tState === STRING4 \|\| this.tState === STRING5 \|\| this.tState === STRING6) { // unicode hex codes`
285	`n = buffer[i];`
286	`// 0-9 A-F a-f`
287	`if ((n >= 0x30 && n < 0x40) \|\| (n > 0x40 && n <= 0x46) \|\| (n > 0x60 && n <= 0x66)) {`
288	`this.unicode += String.fromCharCode(n);`
289	`if (this.tState++ === STRING6) {`
290	`const intVal = parseInt(this.unicode, 16);`
291	`this.unicode = undefined;`
292	`if (this.highSurrogate !== undefined && intVal >= 0xDC00 && intVal < (0xDFFF + 1)) { //<56320,57343> - lowSurrogate`
293	`this.appendStringBuf(this.encode(String.fromCharCode(this.highSurrogate, intVal)));`
294	`this.highSurrogate = undefined;`
295	`}`
296	`else if (this.highSurrogate === undefined && intVal >= 0xD800 && intVal < (0xDBFF + 1)) { //<55296,56319> - highSurrogate`
297	`this.highSurrogate = intVal;`
298	`}`
299	`else {`
300	`if (this.highSurrogate !== undefined) {`
301	`this.appendStringBuf(this.encode(String.fromCharCode(this.highSurrogate)));`
302	`this.highSurrogate = undefined;`
303	`}`
304	`this.appendStringBuf(this.encode(String.fromCharCode(intVal)));`
305	`}`
306	`this.tState = STRING1;`
307	`}`
308	`}`
309	`else {`
310	`return this.charError(buffer, i);`
311	`}`
312	`}`
313	`else if (this.tState === NUMBER1 \|\| this.tState === NUMBER3) {`
314	`n = buffer[i];`
315	`switch (n) {`
316	`case 0x30: // 0`
317	`case 0x31: // 1`
318	`case 0x32: // 2`
319	`case 0x33: // 3`
320	`case 0x34: // 4`
321	`case 0x35: // 5`
322	`case 0x36: // 6`
323	`case 0x37: // 7`
324	`case 0x38: // 8`
325	`case 0x39: // 9`
326	`case 0x2e: // .`
327	`case 0x65: // e`
328	`case 0x45: // E`
329	`case 0x2b: // +`
330	`case 0x2d: // -`
331	`this.string += String.fromCharCode(n);`
332	`this.tState = NUMBER3;`
333	`break;`
334	`default:`
335	`this.tState = START;`
336	`const error = this.numberReviver(this.string);`
337	`if (error) {`
338	`return error;`
339	`}`
340	`this.offset += this.string.length - 1;`
341	`this.string = undefined;`
342	`i--;`
343	`break;`
344	`}`
345	`}`
346	`else if (this.tState === TRUE1) { // r`
347	`if (buffer[i] === 0x72) {`
348	`this.tState = TRUE2;`
349	`}`
350	`else {`
351	`return this.charError(buffer, i);`
352	`}`
353	`}`
354	`else if (this.tState === TRUE2) { // u`
355	`if (buffer[i] === 0x75) {`
356	`this.tState = TRUE3;`
357	`}`
358	`else {`
359	`return this.charError(buffer, i);`
360	`}`
361	`}`
362	`else if (this.tState === TRUE3) { // e`
363	`if (buffer[i] === 0x65) {`
364	`this.tState = START;`
365	`this.onToken(TRUE, true);`
366	`this.offset += 3;`
367	`}`
368	`else {`
369	`return this.charError(buffer, i);`
370	`}`
371	`}`
372	`else if (this.tState === FALSE1) { // a`
373	`if (buffer[i] === 0x61) {`
374	`this.tState = FALSE2;`
375	`}`
376	`else {`
377	`return this.charError(buffer, i);`
378	`}`
379	`}`
380	`else if (this.tState === FALSE2) { // l`
381	`if (buffer[i] === 0x6c) {`
382	`this.tState = FALSE3;`
383	`}`
384	`else {`
385	`return this.charError(buffer, i);`
386	`}`
387	`}`
388	`else if (this.tState === FALSE3) { // s`
389	`if (buffer[i] === 0x73) {`
390	`this.tState = FALSE4;`
391	`}`
392	`else {`
393	`return this.charError(buffer, i);`
394	`}`
395	`}`
396	`else if (this.tState === FALSE4) { // e`
397	`if (buffer[i] === 0x65) {`
398	`this.tState = START;`
399	`this.onToken(FALSE, false);`
400	`this.offset += 4;`
401	`}`
402	`else {`
403	`return this.charError(buffer, i);`
404	`}`
405	`}`
406	`else if (this.tState === NULL1) { // u`
407	`if (buffer[i] === 0x75) {`
408	`this.tState = NULL2;`
409	`}`
410	`else {`
411	`return this.charError(buffer, i);`
412	`}`
413	`}`
414	`else if (this.tState === NULL2) { // l`
415	`if (buffer[i] === 0x6c) {`
416	`this.tState = NULL3;`
417	`}`
418	`else {`
419	`return this.charError(buffer, i);`
420	`}`
421	`}`
422	`else if (this.tState === NULL3) { // l`
423	`if (buffer[i] === 0x6c) {`
424	`this.tState = START;`
425	`this.onToken(NULL, null);`
426	`this.offset += 3;`
427	`}`
428	`else {`
429	`return this.charError(buffer, i);`
430	`}`
431	`}`
432	`}`
433	`}`
434	`parseError(token, value) {`
435	`this.tState = STOP;`
436	`this.onError(new Error("Unexpected " + Parser.toknam(token) + (value ? ("(" + JSON.stringify(value) + ")") : "") + " in state " + Parser.toknam(this.state)));`
437	`}`
438	`push() {`
439	`this.stack.push({ value: this.value, key: this.key, mode: this.mode });`
440	`}`
441	`pop() {`
442	`const value = this.value;`
443	`const parent = this.stack.pop();`
444	`this.value = parent.value;`
445	`this.key = parent.key;`
446	`this.mode = parent.mode;`
447	`this.emit(value);`
448	`if (!this.mode) {`
449	`this.state = VALUE;`
450	`}`
451	`}`
452	`emit(value) {`
453	`if (this.mode) {`
454	`this.state = COMMA;`
455	`}`
456	`this.onValue(value);`
457	`}`
458	`onValue(value) {`
459	`// Override me`
460	`}`
461	`onToken(token, value) {`
462	`if (this.state === VALUE) {`
463	`if (token === STRING \|\| token === NUMBER \|\| token === TRUE \|\| token === FALSE \|\| token === NULL) {`
464	`if (this.value) {`
465	`this.value[this.key] = value;`
466	`}`
467	`this.emit(value);`
468	`}`
469	`else if (token === LEFT_BRACE) {`
470	`this.push();`
471	`if (this.value) {`
472	`this.value = this.value[this.key] = {};`
473	`}`
474	`else {`
475	`this.value = {};`
476	`}`
477	`this.key = undefined;`
478	`this.state = KEY;`
479	`this.mode = OBJECT;`
480	`}`
481	`else if (token === LEFT_BRACKET) {`
482	`this.push();`
483	`if (this.value) {`
484	`this.value = this.value[this.key] = [];`
485	`}`
486	`else {`
487	`this.value = [];`
488	`}`
489	`this.key = 0;`
490	`this.mode = ARRAY;`
491	`this.state = VALUE;`
492	`}`
493	`else if (token === RIGHT_BRACE) {`
494	`if (this.mode === OBJECT) {`
495	`this.pop();`
496	`}`
497	`else {`
498	`return this.parseError(token, value);`
499	`}`
500	`}`
501	`else if (token === RIGHT_BRACKET) {`
502	`if (this.mode === ARRAY) {`
503	`this.pop();`
504	`}`
505	`else {`
506	`return this.parseError(token, value);`
507	`}`
508	`}`
509	`else {`
510	`return this.parseError(token, value);`
511	`}`
512	`}`
513	`else if (this.state === KEY) {`
514	`if (token === STRING) {`
515	`this.key = value;`
516	`this.state = COLON;`
517	`}`
518	`else if (token === RIGHT_BRACE) {`
519	`this.pop();`
520	`}`
521	`else {`
522	`return this.parseError(token, value);`
523	`}`
524	`}`
525	`else if (this.state === COLON) {`
526	`if (token === COLON) {`
527	`this.state = VALUE;`
528	`}`
529	`else {`
530	`return this.parseError(token, value);`
531	`}`
532	`}`
533	`else if (this.state === COMMA) {`
534	`if (token === COMMA) {`
535	`if (this.mode === ARRAY) {`
536	`this.key++;`
537	`this.state = VALUE;`
538	`}`
539	`else if (this.mode === OBJECT) {`
540	`this.state = KEY;`
541	`}`
542	`}`
543	`else if (token === RIGHT_BRACKET && this.mode === ARRAY \|\| token === RIGHT_BRACE && this.mode === OBJECT) {`
544	`this.pop();`
545	`}`
546	`else {`
547	`return this.parseError(token, value);`
548	`}`
549	`}`
550	`else {`
551	`return this.parseError(token, value);`
552	`}`
553	`}`
554	`// Override to implement your own number reviver.`
555	`// Any value returned is treated as error and will interrupt parsing.`
556	`numberReviver(text) {`
557	`const result = Number(text);`
558	`if (isNaN(result)) {`
559	`return this.charError(buffer, i);`
560	`}`
561	`if ((text.match(/[0-9]+/) == text) && (result.toString() != text)) {`
562	`// Long string of digits which is an ID string and not valid and/or safe JavaScript integer Number`
563	`this.onToken(STRING, text);`
564	`}`
565	`else {`
566	`this.onToken(NUMBER, result);`
567	`}`
568	`}`
569	`}`
570	`Parser.C = C;`
571	`export { Parser as JSONParser };`
572	`export default Parser;`
573	`//# sourceMappingURL=json-parser.js.map`
\	No newline at end of file