react-saasify-chrisvxd
Version:
React components for Saasify web clients.
1,046 lines (938 loc) • 799 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('source-map')) :
typeof define === 'function' && define.amd ? define(['exports', 'source-map'], factory) :
(global = global || self, factory(global.Terser = {}, global.sourceMap));
}(this, function (exports, MOZ_SourceMap) { 'use strict';
MOZ_SourceMap = MOZ_SourceMap && MOZ_SourceMap.hasOwnProperty('default') ? MOZ_SourceMap['default'] : MOZ_SourceMap;
/***********************************************************************
A JavaScript tokenizer / parser / beautifier / compressor.
https://github.com/mishoo/UglifyJS2
-------------------------------- (C) ---------------------------------
Author: Mihai Bazon
<mihai.bazon@gmail.com>
http://mihai.bazon.net/blog
Distributed under the BSD license:
Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the following
disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials
provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
***********************************************************************/
function characters(str) {
return str.split("");
}
function member(name, array) {
return array.includes(name);
}
function find_if(func, array) {
for (var i = 0, n = array.length; i < n; ++i) {
if (func(array[i]))
return array[i];
}
}
function repeat_string(str, i) {
if (i <= 0) return "";
if (i == 1) return str;
var d = repeat_string(str, i >> 1);
d += d;
if (i & 1) d += str;
return d;
}
function configure_error_stack(fn) {
Object.defineProperty(fn.prototype, "stack", {
get: function() {
var err = new Error(this.message);
err.name = this.name;
try {
throw err;
} catch(e) {
return e.stack;
}
}
});
}
function DefaultsError(msg, defs) {
this.message = msg;
this.defs = defs;
}
DefaultsError.prototype = Object.create(Error.prototype);
DefaultsError.prototype.constructor = DefaultsError;
DefaultsError.prototype.name = "DefaultsError";
configure_error_stack(DefaultsError);
DefaultsError.croak = function(msg, defs) {
throw new DefaultsError(msg, defs);
};
function defaults(args, defs, croak) {
if (args === true)
args = {};
var ret = args || {};
if (croak) for (var i in ret) if (HOP(ret, i) && !HOP(defs, i))
DefaultsError.croak("`" + i + "` is not a supported option", defs);
for (var i in defs) if (HOP(defs, i)) {
ret[i] = (args && HOP(args, i)) ? args[i] : defs[i];
}
return ret;
}
function merge(obj, ext) {
var count = 0;
for (var i in ext) if (HOP(ext, i)) {
obj[i] = ext[i];
count++;
}
return count;
}
function noop() {}
function return_false() { return false; }
function return_true() { return true; }
function return_this() { return this; }
function return_null() { return null; }
var MAP = (function() {
function MAP(a, f, backwards) {
var ret = [], top = [], i;
function doit() {
var val = f(a[i], i);
var is_last = val instanceof Last;
if (is_last) val = val.v;
if (val instanceof AtTop) {
val = val.v;
if (val instanceof Splice) {
top.push.apply(top, backwards ? val.v.slice().reverse() : val.v);
} else {
top.push(val);
}
} else if (val !== skip) {
if (val instanceof Splice) {
ret.push.apply(ret, backwards ? val.v.slice().reverse() : val.v);
} else {
ret.push(val);
}
}
return is_last;
}
if (a instanceof Array) {
if (backwards) {
for (i = a.length; --i >= 0;) if (doit()) break;
ret.reverse();
top.reverse();
} else {
for (i = 0; i < a.length; ++i) if (doit()) break;
}
} else {
for (i in a) if (HOP(a, i)) if (doit()) break;
}
return top.concat(ret);
}
MAP.at_top = function(val) { return new AtTop(val); };
MAP.splice = function(val) { return new Splice(val); };
MAP.last = function(val) { return new Last(val); };
var skip = MAP.skip = {};
function AtTop(val) { this.v = val; }
function Splice(val) { this.v = val; }
function Last(val) { this.v = val; }
return MAP;
})();
function push_uniq(array, el) {
if (!array.includes(el))
array.push(el);
}
function string_template(text, props) {
return text.replace(/{(.+?)}/g, function(str, p) {
return props && props[p];
});
}
function remove(array, el) {
for (var i = array.length; --i >= 0;) {
if (array[i] === el) array.splice(i, 1);
}
}
function mergeSort(array, cmp) {
if (array.length < 2) return array.slice();
function merge(a, b) {
var r = [], ai = 0, bi = 0, i = 0;
while (ai < a.length && bi < b.length) {
cmp(a[ai], b[bi]) <= 0
? r[i++] = a[ai++]
: r[i++] = b[bi++];
}
if (ai < a.length) r.push.apply(r, a.slice(ai));
if (bi < b.length) r.push.apply(r, b.slice(bi));
return r;
}
function _ms(a) {
if (a.length <= 1)
return a;
var m = Math.floor(a.length / 2), left = a.slice(0, m), right = a.slice(m);
left = _ms(left);
right = _ms(right);
return merge(left, right);
}
return _ms(array);
}
// this function is taken from Acorn [1], written by Marijn Haverbeke
// [1] https://github.com/marijnh/acorn
function makePredicate(words) {
if (!(words instanceof Array)) words = words.split(" ");
var f = "", cats = [];
out: for (var i = 0; i < words.length; ++i) {
for (var j = 0; j < cats.length; ++j)
if (cats[j][0].length == words[i].length) {
cats[j].push(words[i]);
continue out;
}
cats.push([words[i]]);
}
function quote(word) {
return JSON.stringify(word).replace(/[\u2028\u2029]/g, function(s) {
switch (s) {
case "\u2028": return "\\u2028";
case "\u2029": return "\\u2029";
}
return s;
});
}
function compareTo(arr) {
if (arr.length == 1) return f += "return str === " + quote(arr[0]) + ";";
f += "switch(str){";
for (var i = 0; i < arr.length; ++i) f += "case " + quote(arr[i]) + ":";
f += "return true}return false;";
}
// When there are more than three length categories, an outer
// switch first dispatches on the lengths, to save on comparisons.
if (cats.length > 3) {
cats.sort(function(a, b) {return b.length - a.length;});
f += "switch(str.length){";
for (var i = 0; i < cats.length; ++i) {
var cat = cats[i];
f += "case " + cat[0].length + ":";
compareTo(cat);
}
f += "}";
// Otherwise, simply generate a flat `switch` statement.
} else {
compareTo(words);
}
return new Function("str", f);
}
function all(array, predicate) {
for (var i = array.length; --i >= 0;)
if (!predicate(array[i]))
return false;
return true;
}
function Dictionary() {
this._values = Object.create(null);
this._size = 0;
}
Dictionary.prototype = {
set: function(key, val) {
if (!this.has(key)) ++this._size;
this._values["$" + key] = val;
return this;
},
add: function(key, val) {
if (this.has(key)) {
this.get(key).push(val);
} else {
this.set(key, [ val ]);
}
return this;
},
get: function(key) { return this._values["$" + key]; },
del: function(key) {
if (this.has(key)) {
--this._size;
delete this._values["$" + key];
}
return this;
},
has: function(key) { return ("$" + key) in this._values; },
each: function(f) {
for (var i in this._values)
f(this._values[i], i.substr(1));
},
size: function() {
return this._size;
},
map: function(f) {
var ret = [];
for (var i in this._values)
ret.push(f(this._values[i], i.substr(1)));
return ret;
},
clone: function() {
var ret = new Dictionary();
for (var i in this._values)
ret._values[i] = this._values[i];
ret._size = this._size;
return ret;
},
toObject: function() { return this._values; }
};
Dictionary.fromObject = function(obj) {
var dict = new Dictionary();
dict._size = merge(dict._values, obj);
return dict;
};
function HOP(obj, prop) {
return Object.prototype.hasOwnProperty.call(obj, prop);
}
// return true if the node at the top of the stack (that means the
// innermost node in the current output) is lexically the first in
// a statement.
function first_in_statement(stack) {
var node = stack.parent(-1);
for (var i = 0, p; p = stack.parent(i); i++) {
if (p instanceof AST_Statement && p.body === node)
return true;
if ((p instanceof AST_Sequence && p.expressions[0] === node) ||
(p.TYPE == "Call" && p.expression === node ) ||
(p instanceof AST_Dot && p.expression === node ) ||
(p instanceof AST_Sub && p.expression === node ) ||
(p instanceof AST_Conditional && p.condition === node ) ||
(p instanceof AST_Binary && p.left === node ) ||
(p instanceof AST_UnaryPostfix && p.expression === node )
) {
node = p;
} else {
return false;
}
}
}
function keep_name(keep_setting, name) {
return keep_setting === true
|| (keep_setting instanceof RegExp && keep_setting.test(name));
}
/***********************************************************************
A JavaScript tokenizer / parser / beautifier / compressor.
https://github.com/mishoo/UglifyJS2
-------------------------------- (C) ---------------------------------
Author: Mihai Bazon
<mihai.bazon@gmail.com>
http://mihai.bazon.net/blog
Distributed under the BSD license:
Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com>
Parser based on parse-js (http://marijn.haverbeke.nl/parse-js/).
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the following
disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials
provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
***********************************************************************/
var KEYWORDS = "break case catch class const continue debugger default delete do else export extends finally for function if in instanceof let new return switch throw try typeof var void while with";
var KEYWORDS_ATOM = "false null true";
var RESERVED_WORDS = "enum implements import interface package private protected public static super this " + KEYWORDS_ATOM + " " + KEYWORDS;
var KEYWORDS_BEFORE_EXPRESSION = "return new delete throw else case yield await";
KEYWORDS = makePredicate(KEYWORDS);
RESERVED_WORDS = makePredicate(RESERVED_WORDS);
KEYWORDS_BEFORE_EXPRESSION = makePredicate(KEYWORDS_BEFORE_EXPRESSION);
KEYWORDS_ATOM = makePredicate(KEYWORDS_ATOM);
var OPERATOR_CHARS = makePredicate(characters("+-*&%=<>!?|~^"));
var RE_NUM_LITERAL = /[0-9a-f]/i;
var RE_HEX_NUMBER = /^0x[0-9a-f]+$/i;
var RE_OCT_NUMBER = /^0[0-7]+$/;
var RE_ES6_OCT_NUMBER = /^0o[0-7]+$/i;
var RE_BIN_NUMBER = /^0b[01]+$/i;
var RE_DEC_NUMBER = /^\d*\.?\d*(?:e[+-]?\d*(?:\d\.?|\.?\d)\d*)?$/i;
var OPERATORS = makePredicate([
"in",
"instanceof",
"typeof",
"new",
"void",
"delete",
"++",
"--",
"+",
"-",
"!",
"~",
"&",
"|",
"^",
"*",
"**",
"/",
"%",
">>",
"<<",
">>>",
"<",
">",
"<=",
">=",
"==",
"===",
"!=",
"!==",
"?",
"=",
"+=",
"-=",
"/=",
"*=",
"**=",
"%=",
">>=",
"<<=",
">>>=",
"|=",
"^=",
"&=",
"&&",
"||"
]);
var WHITESPACE_CHARS = makePredicate(characters(" \u00a0\n\r\t\f\u000b\u200b\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u2028\u2029\u202f\u205f\u3000\uFEFF"));
var NEWLINE_CHARS = makePredicate(characters("\n\r\u2028\u2029"));
var PUNC_AFTER_EXPRESSION = makePredicate(characters(";]),:"));
var PUNC_BEFORE_EXPRESSION = makePredicate(characters("[{(,;:"));
var PUNC_CHARS = makePredicate(characters("[]{}(),;:"));
/* -----[ Tokenizer ]----- */
// surrogate safe regexps adapted from https://github.com/mathiasbynens/unicode-8.0.0/tree/89b412d8a71ecca9ed593d9e9fa073ab64acfebe/Binary_Property
var UNICODE = {
ID_Start: 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ID_Continue: 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};
function get_full_char(str, pos) {
var char = str.charAt(pos);
if (is_surrogate_pair_head(char)) {
var next = str.charAt(pos + 1);
if (is_surrogate_pair_tail(next)) {
return char + next;
}
}
if (is_surrogate_pair_tail(char)) {
var prev = str.charAt(pos - 1);
if (is_surrogate_pair_head(prev)) {
return prev + char;
}
}
return char;
}
function get_full_char_code(str, pos) {
// https://en.wikipedia.org/wiki/Universal_Character_Set_characters#Surrogates
if (is_surrogate_pair_head(str.charAt(pos))) {
return 0x10000 + (str.charCodeAt(pos) - 0xd800 << 10) + str.charCodeAt(pos + 1) - 0xdc00;
}
return str.charCodeAt(pos);
}
function get_full_char_length(str) {
var surrogates = 0;
for (var i = 0; i < str.length; i++) {
if (is_surrogate_pair_head(str.charCodeAt(i))) {
if (is_surrogate_pair_tail(str.charCodeAt(i + 1))) {
surrogates++;
i++;
}
}
}
return str.length - surrogates;
}
function from_char_code(code) {
// Based on https://github.com/mathiasbynens/String.fromCodePoint/blob/master/fromcodepoint.js
if (code > 0xFFFF) {
code -= 0x10000;
return (String.fromCharCode((code >> 10) + 0xD800) +
String.fromCharCode((code % 0x400) + 0xDC00));
}
return String.fromCharCode(code);
}
function is_surrogate_pair_head(code) {
if (typeof code === "string")
code = code.charCodeAt(0);
return code >= 0xd800 && code <= 0xdbff;
}
function is_surrogate_pair_tail(code) {
if (typeof code === "string")
code = code.charCodeAt(0);
return code >= 0xdc00 && code <= 0xdfff;
}
function is_digit(code) {
return code >= 48 && code <= 57;
}
function is_identifier(name) {
return typeof name === "string" && !RESERVED_WORDS(name);
}
function is_identifier_start(ch) {
var code = ch.charCodeAt(0);
return UNICODE.ID_Start.test(ch) || code == 36 || code == 95;
}
function is_identifier_char(ch) {
var code = ch.charCodeAt(0);
return UNICODE.ID_Continue.test(ch)
|| code == 36
|| code == 95
|| code == 8204 // \u200c: zero-width non-joiner <ZWNJ>
|| code == 8205 // \u200d: zero-width joiner <ZWJ> (in my ECMA-262 PDF, this is also 200c)
;
}
function is_identifier_string(str) {
return /^[a-z_$][a-z0-9_$]*$/i.test(str);
}
function parse_js_number(num) {
if (RE_HEX_NUMBER.test(num)) {
return parseInt(num.substr(2), 16);
} else if (RE_OCT_NUMBER.test(num)) {
return parseInt(num.substr(1), 8);
} else if (RE_ES6_OCT_NUMBER.test(num)) {
return parseInt(num.substr(2), 8);
} else if (RE_BIN_NUMBER.test(num)) {
return parseInt(num.substr(2), 2);
} else if (RE_DEC_NUMBER.test(num)) {
return parseFloat(num);
} else {
var val = parseFloat(num);
if (val == num) return val;
}
}
function JS_Parse_Error(message, filename, line, col, pos) {
this.message = message;
this.filename = filename;
this.line = line;
this.col = col;
this.pos = pos;
}
JS_Parse_Error.prototype = Object.create(Error.prototype);
JS_Parse_Error.prototype.constructor = JS_Parse_Error;
JS_Parse_Error.prototype.name = "SyntaxError";
configure_error_stack(JS_Parse_Error);
function js_error(message, filename, line, col, pos) {
throw new JS_Parse_Error(message, filename, line, col, pos);
}
function is_token(token, type, val) {
return token.type == type && (val == null || token.value == val);
}
var EX_EOF = {};
function tokenizer($TEXT, filename, html5_comments, shebang) {
var S = {
text : $TEXT,
filename : filename,
pos : 0,
tokpos : 0,
line : 1,
tokline : 0,
col : 0,
tokcol : 0,
newline_before : false,
regex_allowed : false,
brace_counter : 0,
template_braces : [],
comments_before : [],
directives : {},
directive_stack : []
};
function peek() { return get_full_char(S.text, S.pos); }
function next(signal_eof, in_string) {
var ch = get_full_char(S.text, S.pos++);
if (signal_eof && !ch)
throw EX_EOF;
if (NEWLINE_CHARS(ch)) {
S.newline_before = S.newline_before || !in_string;
++S.line;
S.col = 0;
if (!in_string && ch == "\r" && peek() == "\n") {
// treat a \r\n sequence as a single \n
++S.pos;
ch = "\n";
}
} else {
if (ch.length > 1) {
++S.pos;
++S.col;
}
++S.col;
}
return ch;
}
function forward(i) {
while (i-- > 0) next();
}
function looking_at(str) {
return S.text.substr(S.pos, str.length) == str;
}
function find_eol() {
var text = S.text;
for (var i = S.pos, n = S.text.length; i < n; ++i) {
var ch = text[i];
if (NEWLINE_CHARS(ch))
return i;
}
return -1;
}
function find(what, signal_eof) {
var pos = S.text.indexOf(what, S.pos);
if (signal_eof && pos == -1) throw EX_EOF;
return pos;
}
function start_token() {
S.tokline = S.line;
S.tokcol = S.col;
S.tokpos = S.pos;
}
var prev_was_dot = false;
var previous_token = null;
function token(type, value, is_comment) {
S.regex_allowed = ((type == "operator" && !UNARY_POSTFIX(value)) ||
(type == "keyword" && KEYWORDS_BEFORE_EXPRESSION(value)) ||
(type == "punc" && PUNC_BEFORE_EXPRESSION(value))) ||
(type == "arrow");
if (type == "punc" && value == ".") {
prev_was_dot = true;
} else if (!is_comment) {
prev_was_dot = false;
}
var ret = {
type : type,
value : value,
line : S.tokline,
col : S.tokcol,
pos : S.tokpos,
endline : S.line,
endcol : S.col,
endpos : S.pos,
nlb : S.newline_before,
file : filename
};
if (/^(?:num|string|regexp)$/i.test(type)) {
ret.raw = $TEXT.substring(ret.pos, ret.endpos);
}
if (!is_comment) {
ret.comments_before = S.comments_before;
ret.comments_after = S.comments_before = [];
}
S.newline_before = false;
ret = new AST_Token(ret);
if (!is_comment) previous_token = ret;
return ret;
}
function skip_whitespace() {
while (WHITESPACE_CHARS(peek()))
next();
}
function read_while(pred) {
var ret = "", ch, i = 0;
while ((ch = peek()) && pred(ch, i++))
ret += next();
return ret;
}
function parse_error(err) {
js_error(err, filename, S.tokline, S.tokcol, S.tokpos);
}
function read_num(prefix) {
var has_e = false, after_e = false, has_x = false, has_dot = prefix == ".";
var num = read_while(function(ch, i) {
var code = ch.charCodeAt(0);
switch (code) {
case 98: case 66: // bB
return (has_x = true); // Can occur in hex sequence, don't return false yet
case 111: case 79: // oO
case 120: case 88: // xX
return has_x ? false : (has_x = true);
case 101: case 69: // eE
return has_x ? true : has_e ? false : (has_e = after_e = true);
case 45: // -
return after_e || (i == 0 && !prefix);
case 43: // +
return after_e;
case (after_e = false, 46): // .
return (!has_dot && !has_x && !has_e) ? (has_dot = true) : false;
}
return RE_NUM_LITERAL.test(ch);
});
if (prefix) num = prefix + num;
if (RE_OCT_NUMBER.test(num) && next_token.has_directive("use strict")) {
parse_error("Legacy octal literals are not allowed in strict mode");
}
var valid = parse_js_number(num);
if (!isNaN(valid)) {
return token("num", valid);
} else {
parse_error("Invalid syntax: " + num);
}
}
function read_escaped_char(in_string, strict_hex, template_string) {
var ch = next(true, in_string);
switch (ch.charCodeAt(0)) {
case 110 : return "\n";
case 114 : return "\r";
case 116 : return "\t";
case 98 : return "\b";
case 118 : return "\u000b"; // \v
case 102 : return "\f";
case 120 : return String.fromCharCode(hex_bytes(2, strict_hex)); // \x
case 117 : // \u
if (peek() == "{") {
next(true);
if (peek() === "}")
parse_error("Expecting hex-character between {}");
while (peek() == "0") next(true); // No significance
var result, length = find("}", true) - S.pos;
// Avoid 32 bit integer overflow (1 << 32 === 1)
// We know first character isn't 0 and thus out of range anyway
if (length > 6 || (result = hex_bytes(length, strict_hex)) > 0x10FFFF) {
parse_error("Unicode reference out of bounds");
}
next(true);
return from_char_code(result);
}
return String.fromCharCode(hex_bytes(4, strict_hex));
case 10 : return ""; // newline
case 13 : // \r
if (peek() == "\n") { // DOS newline
next(true, in_string);
return "";
}
}
if (ch >= "0" && ch <= "7") {
if (template_string && strict_hex) {
parse_error("Octal escape sequences are not allowed in template strings");
}
return read_octal_escape_sequence(ch, strict_hex);
}
return ch;
}
function read_octal_escape_sequence(ch, strict_octal) {
// Read
var p = peek();
if (p >= "0" && p <= "7") {
ch += next(true);
if (ch[0] <= "3" && (p = peek()) >= "0" && p <= "7")
ch += next(true);
}
// Parse
if (ch === "0") return "\0";
if (ch.length > 0 && next_token.has_directive("use strict") && strict_octal)
parse_error("Legacy octal escape sequences are not allowed in strict mode");
return String.fromCharCode(parseInt(ch, 8));
}
function hex_bytes(n, strict_hex) {
var num = 0;
for (; n > 0; --n) {
if (!strict_hex && isNaN(parseInt(peek(), 16))) {
return parseInt(num, 16) || "";
}
var digit = next(true);
if (isNaN(parseInt(digit, 16)))
parse_error("Invalid hex-character pattern in string");
num += digit;
}
return parseInt(num, 16);
}
var read_string = with_eof_error("Unterminated string constant", function(quote_char) {
var quote = next(), ret = "";
for (;;) {
var ch = next(true, true);
if (ch == "\\") ch = read_escaped_char(true, true);
else if (NEWLINE_CHARS(ch)) parse_error("Unterminated string constant");
else if (ch == quote) break;
ret += ch;
}
var tok = token("string", ret);
tok.quote = quote_char;
return tok;
});
var read_template_characters = with_eof_error("Unterminated template", function(begin) {
if (begin) {
S.template_braces.push(S.brace_counter);
}
var content = "", raw = "", ch, tok;
next(true, true);
while ((ch = next(true, true)) != "`") {
if (ch == "\r") {
if (peek() == "\n") ++S.pos;
ch = "\n";
} else if (ch == "$" && peek() == "{") {
next(true, true);
S.brace_counter++;
tok = token(begin ? "template_head" : "template_substitution", content);
tok.begin = begin;
tok.raw = raw;
tok.end = false;
return tok;
}
raw += ch;
if (ch == "\\") {
var tmp = S.pos;
var prev_is_tag = previous_token && (previous_token.type === "name" || previous_token.type === "punc" && (previous_token.value === ")" || previous_token.value === "]"));
ch = read_escaped_char(true, !prev_is_tag, true);
raw += S.text.substr(tmp, S.pos - tmp);
}
content += ch;
}
S.template_braces.pop();
tok = token(begin ? "template_head" : "template_substitution", content);
tok.begin = begin;
tok.raw = raw;
tok.end = true;
return tok;
});
function skip_line_comment(type) {
var regex_allowed = S.regex_allowed;
var i = find_eol(), ret;
if (i == -1) {
ret = S.text.substr(S.pos);
S.pos = S.text.length;
} else {
ret = S.text.substring(S.pos, i);
S.pos = i;
}
S.col = S.tokcol + (S.pos - S.tokpos);
S.comments_before.push(token(type, ret, true));
S.regex_allowed = regex_allowed;
return next_token;
}
var skip_multiline_comment = with_eof_error("Unterminated multiline comment", function() {
var regex_allowed = S.regex_allowed;
var i = find("*/", true);
var text = S.text.substring(S.pos, i).replace(/\r\n|\r|\u2028|\u2029/g, "\n");
// update stream position
forward(get_full_char_length(text) /* text length doesn't count \r\n as 2 char while S.pos - i does */ + 2);
S.comments_before.push(token("comment2", text, true));
S.newline_before = S.newline_before || text.includes("\n");
S.regex_allowed = regex_allowed;
return next_token;
});
var read_name = with_eof_error("Unterminated identifier name", function() {
var name = "", ch, escaped = false;
var read_escaped_identifier_char = function() {
escaped = true;
next();
if (peek() !== "u") {
parse_error("Expecting UnicodeEscapeSequence -- uXXXX or u{XXXX}");
}
return read_escaped_char(false, true);
};
// Read first character (ID_Start)
if ((name = peek()) === "\\") {
name = read_escaped_identifier_char();
if (!is_identifier_start(name)) {
parse_error("First identifier char is an invalid identifier char");
}
} else if (is_identifier_start(name)) {
next();
} else {
return "";
}
// Read ID_Continue
while ((ch = peek()) != null) {
if ((ch = peek()) === "\\") {
ch = read_escaped_identifier_char();
if (!is_identifier_char(ch)) {
parse_error("Invalid escaped identifier char");
}
} else {
if (!is_identifier_char(ch)) {
break;
}
next();
}
name += ch;
}
if (RESERVED_WORDS(name) && escaped) {
parse_error("Escaped characters are not allowed in keywords");
}
return name;
});
var read_regexp = with_eof_error("Unterminated regular expression", function(source) {
var prev_backslash = false, ch, in_class = false;
while ((ch = next(true))) if (NEWLINE_CHARS(ch)) {
parse_error("Unexpected line terminator");
} else if (prev_backslash) {
source += "\\" + ch;
prev_backslash = false;
} else if (ch == "[") {
in_class = true;
source += ch;
} else if (ch == "]" && in_class) {
in_class = false;
source += ch;
} else if (ch == "/" && !in_class) {
break;
} else if (ch == "\\") {
prev_backslash = true;
} else {
source += ch;
}
var mods = read_name();
try {
var regexp = new RegExp(source, mods);
regexp.raw_source = "/" + source + "/" + mods;
return token("regexp", regexp);
} catch(e) {
parse_error(e.message);
}
});
function read_operator(prefix) {
function grow(op) {
if (!peek()) return op;
var bigger = op + peek();
if (OPERATORS(bigger)) {
next();
return grow(bigger);
} else {
return op;
}
}
return token("operator", grow(prefix || next()));
}
function handle_slash() {
next();
switch (peek()) {
case "/":
next();
return skip_line_comment("comment1");
case "*":
next();
return skip_multiline_comment();
}
return S.regex_allowed ? read_regexp("") : read_operator("/");
}
function handle_eq_sign() {
next();
if (peek() === ">") {
next();
return token("arrow", "=>");
} else {
return read_operator("=");
}
}
function handle_dot() {
next();
if (is_digit(peek().charCodeAt(0))) {
return read_num(".");
}
if (peek() === ".") {