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Comparing version 0.0.0 to 0.0.1

.eslintrc
.github/FUNDING.yml
CHANGELOG.md
README.md

2

index.js

@@ -0,2 +1,4 @@

'use strict';
exports.parse = require('./lib/parse');
exports.stringify = require('./lib/stringify');

490

lib/parse.js

@@ -1,273 +0,261 @@

var at, // The index of the current character
ch, // The current character
escapee = {
'"': '"',
'\\': '\\',
'/': '/',
b: '\b',
f: '\f',
n: '\n',
r: '\r',
t: '\t'
},
text,
'use strict';
error = function (m) {
// Call error when something is wrong.
throw {
name: 'SyntaxError',
message: m,
at: at,
text: text
};
},
next = function (c) {
// If a c parameter is provided, verify that it matches the current character.
if (c && c !== ch) {
error("Expected '" + c + "' instead of '" + ch + "'");
}
// Get the next character. When there are no more characters,
// return the empty string.
ch = text.charAt(at);
at += 1;
return ch;
},
number = function () {
// Parse a number value.
var number,
string = '';
if (ch === '-') {
string = '-';
next('-');
}
while (ch >= '0' && ch <= '9') {
string += ch;
next();
}
if (ch === '.') {
string += '.';
while (next() && ch >= '0' && ch <= '9') {
string += ch;
}
}
if (ch === 'e' || ch === 'E') {
string += ch;
next();
if (ch === '-' || ch === '+') {
string += ch;
next();
}
while (ch >= '0' && ch <= '9') {
string += ch;
next();
}
}
number = +string;
if (!isFinite(number)) {
error("Bad number");
} else {
return number;
}
},
string = function () {
// Parse a string value.
var hex,
i,
string = '',
uffff;
// When parsing for string values, we must look for " and \ characters.
if (ch === '"') {
while (next()) {
if (ch === '"') {
next();
return string;
} else if (ch === '\\') {
next();
if (ch === 'u') {
uffff = 0;
for (i = 0; i < 4; i += 1) {
hex = parseInt(next(), 16);
if (!isFinite(hex)) {
break;
}
uffff = uffff * 16 + hex;
}
string += String.fromCharCode(uffff);
} else if (typeof escapee[ch] === 'string') {
string += escapee[ch];
} else {
break;
}
} else {
string += ch;
}
}
}
error("Bad string");
},
var at; // The index of the current character
var ch; // The current character
var escapee = {
'"': '"',
'\\': '\\',
'/': '/',
b: '\b',
f: '\f',
n: '\n',
r: '\r',
t: '\t'
};
var text;
white = function () {
// Call error when something is wrong.
function error(m) {
throw {
name: 'SyntaxError',
message: m,
at: at,
text: text
};
}
// Skip whitespace.
function next(c) {
// If a c parameter is provided, verify that it matches the current character.
if (c && c !== ch) {
error("Expected '" + c + "' instead of '" + ch + "'");
}
while (ch && ch <= ' ') {
next();
}
},
// Get the next character. When there are no more characters, return the empty string.
word = function () {
ch = text.charAt(at);
at += 1;
return ch;
}
// true, false, or null.
function number() {
// Parse a number value.
var num;
var str = '';
switch (ch) {
case 't':
next('t');
next('r');
next('u');
next('e');
return true;
case 'f':
next('f');
next('a');
next('l');
next('s');
next('e');
return false;
case 'n':
next('n');
next('u');
next('l');
next('l');
return null;
}
error("Unexpected '" + ch + "'");
},
if (ch === '-') {
str = '-';
next('-');
}
while (ch >= '0' && ch <= '9') {
str += ch;
next();
}
if (ch === '.') {
str += '.';
while (next() && ch >= '0' && ch <= '9') {
str += ch;
}
}
if (ch === 'e' || ch === 'E') {
str += ch;
next();
if (ch === '-' || ch === '+') {
str += ch;
next();
}
while (ch >= '0' && ch <= '9') {
str += ch;
next();
}
}
num = Number(str);
if (!isFinite(num)) {
error('Bad number');
}
return num;
}
value, // Place holder for the value function.
function string() {
// Parse a string value.
var hex;
var i;
var str = '';
var uffff;
array = function () {
// When parsing for string values, we must look for " and \ characters.
if (ch === '"') {
while (next()) {
if (ch === '"') {
next();
return str;
} else if (ch === '\\') {
next();
if (ch === 'u') {
uffff = 0;
for (i = 0; i < 4; i += 1) {
hex = parseInt(next(), 16);
if (!isFinite(hex)) {
break;
}
uffff = (uffff * 16) + hex;
}
str += String.fromCharCode(uffff);
} else if (typeof escapee[ch] === 'string') {
str += escapee[ch];
} else {
break;
}
} else {
str += ch;
}
}
}
error('Bad string');
}
// Parse an array value.
// Skip whitespace.
function white() {
while (ch && ch <= ' ') {
next();
}
}
var array = [];
// true, false, or null.
function word() {
switch (ch) {
case 't':
next('t');
next('r');
next('u');
next('e');
return true;
case 'f':
next('f');
next('a');
next('l');
next('s');
next('e');
return false;
case 'n':
next('n');
next('u');
next('l');
next('l');
return null;
default:
error("Unexpected '" + ch + "'");
}
}
if (ch === '[') {
next('[');
white();
if (ch === ']') {
next(']');
return array; // empty array
}
while (ch) {
array.push(value());
white();
if (ch === ']') {
next(']');
return array;
}
next(',');
white();
}
}
error("Bad array");
},
// Parse an array value.
function array() {
var arr = [];
object = function () {
if (ch === '[') {
next('[');
white();
if (ch === ']') {
next(']');
return arr; // empty array
}
while (ch) {
arr.push(value()); // eslint-disable-line no-use-before-define
white();
if (ch === ']') {
next(']');
return arr;
}
next(',');
white();
}
}
error('Bad array');
}
// Parse an object value.
function object() {
var key;
var obj = {};
var key,
object = {};
if (ch === '{') {
next('{');
white();
if (ch === '}') {
next('}');
return obj; // empty object
}
while (ch) {
key = string();
white();
next(':');
if (Object.prototype.hasOwnProperty.call(obj, key)) {
error('Duplicate key "' + key + '"');
}
obj[key] = value(); // eslint-disable-line no-use-before-define
white();
if (ch === '}') {
next('}');
return obj;
}
next(',');
white();
}
}
error('Bad object');
}
if (ch === '{') {
next('{');
white();
if (ch === '}') {
next('}');
return object; // empty object
}
while (ch) {
key = string();
white();
next(':');
if (Object.hasOwnProperty.call(object, key)) {
error('Duplicate key "' + key + '"');
}
object[key] = value();
white();
if (ch === '}') {
next('}');
return object;
}
next(',');
white();
}
}
error("Bad object");
};
// Parse a JSON value. It could be an object, an array, a string, a number, or a word.
function value() {
white();
switch (ch) {
case '{':
return object();
case '[':
return array();
case '"':
return string();
case '-':
return number();
default:
return ch >= '0' && ch <= '9' ? number() : word();
}
}
value = function () {
// Return the json_parse function. It will have access to all of the above functions and variables.
module.exports = function (source, reviver) {
var result;
// Parse a JSON value. It could be an object, an array, a string, a number,
// or a word.
text = source;
at = 0;
ch = ' ';
result = value();
white();
if (ch) {
error('Syntax error');
}
white();
switch (ch) {
case '{':
return object();
case '[':
return array();
case '"':
return string();
case '-':
return number();
default:
return ch >= '0' && ch <= '9' ? number() : word();
}
};
// If there is a reviver function, we recursively walk the new structure,
// passing each name/value pair to the reviver function for possible
// transformation, starting with a temporary root object that holds the result
// in an empty key. If there is not a reviver function, we simply return the
// result.
// Return the json_parse function. It will have access to all of the above
// functions and variables.
module.exports = function (source, reviver) {
var result;
text = source;
at = 0;
ch = ' ';
result = value();
white();
if (ch) {
error("Syntax error");
}
// If there is a reviver function, we recursively walk the new structure,
// passing each name/value pair to the reviver function for possible
// transformation, starting with a temporary root object that holds the result
// in an empty key. If there is not a reviver function, we simply return the
// result.
return typeof reviver === 'function' ? (function walk(holder, key) {
var k, v, value = holder[key];
if (value && typeof value === 'object') {
for (k in value) {
if (Object.prototype.hasOwnProperty.call(value, k)) {
v = walk(value, k);
if (v !== undefined) {
value[k] = v;
} else {
delete value[k];
}
}
}
}
return reviver.call(holder, key, value);
}({'': result}, '')) : result;
return typeof reviver === 'function' ? (function walk(holder, key) {
var k;
var v;
var val = holder[key];
if (val && typeof val === 'object') {
for (k in value) {
if (Object.prototype.hasOwnProperty.call(val, k)) {
v = walk(val, k);
if (typeof v === 'undefined') {
delete val[k];
} else {
val[k] = v;
}
}
}
}
return reviver.call(holder, key, val);
}({ '': result }, '')) : result;
};

283

lib/stringify.js

@@ -1,154 +0,151 @@

var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
gap,
indent,
meta = { // table of character substitutions
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'"' : '\\"',
'\\': '\\\\'
},
rep;
'use strict';
var escapable = /[\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
var gap;
var indent;
var meta = { // table of character substitutions
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'"': '\\"',
'\\': '\\\\'
};
var rep;
function quote(string) {
// If the string contains no control characters, no quote characters, and no
// backslash characters, then we can safely slap some quotes around it.
// Otherwise we must also replace the offending characters with safe escape
// sequences.
escapable.lastIndex = 0;
return escapable.test(string) ? '"' + string.replace(escapable, function (a) {
var c = meta[a];
return typeof c === 'string' ? c :
'\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
}) + '"' : '"' + string + '"';
// If the string contains no control characters, no quote characters, and no
// backslash characters, then we can safely slap some quotes around it.
// Otherwise we must also replace the offending characters with safe escape sequences.
escapable.lastIndex = 0;
return escapable.test(string) ? '"' + string.replace(escapable, function (a) {
var c = meta[a];
return typeof c === 'string' ? c
: '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
}) + '"' : '"' + string + '"';
}
function str(key, holder) {
// Produce a string from holder[key].
var i, // The loop counter.
k, // The member key.
v, // The member value.
length,
mind = gap,
partial,
value = holder[key];
// If the value has a toJSON method, call it to obtain a replacement value.
if (value && typeof value === 'object' &&
typeof value.toJSON === 'function') {
value = value.toJSON(key);
}
// If we were called with a replacer function, then call the replacer to
// obtain a replacement value.
if (typeof rep === 'function') {
value = rep.call(holder, key, value);
}
// What happens next depends on the value's type.
switch (typeof value) {
case 'string':
return quote(value);
case 'number':
// JSON numbers must be finite. Encode non-finite numbers as null.
return isFinite(value) ? String(value) : 'null';
case 'boolean':
case 'null':
// If the value is a boolean or null, convert it to a string. Note:
// typeof null does not produce 'null'. The case is included here in
// the remote chance that this gets fixed someday.
return String(value);
case 'object':
if (!value) return 'null';
gap += indent;
partial = [];
// Array.isArray
if (Object.prototype.toString.apply(value) === '[object Array]') {
length = value.length;
for (i = 0; i < length; i += 1) {
partial[i] = str(i, value) || 'null';
}
// Join all of the elements together, separated with commas, and
// wrap them in brackets.
v = partial.length === 0 ? '[]' : gap ?
'[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' :
'[' + partial.join(',') + ']';
gap = mind;
return v;
}
// If the replacer is an array, use it to select the members to be
// stringified.
if (rep && typeof rep === 'object') {
length = rep.length;
for (i = 0; i < length; i += 1) {
k = rep[i];
if (typeof k === 'string') {
v = str(k, value);
if (v) {
partial.push(quote(k) + (gap ? ': ' : ':') + v);
}
}
}
}
else {
// Otherwise, iterate through all of the keys in the object.
for (k in value) {
if (Object.prototype.hasOwnProperty.call(value, k)) {
v = str(k, value);
if (v) {
partial.push(quote(k) + (gap ? ': ' : ':') + v);
}
}
}
}
// Join all of the member texts together, separated with commas,
// and wrap them in braces.
// Produce a string from holder[key].
var i; // The loop counter.
var k; // The member key.
var v; // The member value.
var length;
var mind = gap;
var partial;
var value = holder[key];
v = partial.length === 0 ? '{}' : gap ?
'{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' :
'{' + partial.join(',') + '}';
gap = mind;
return v;
}
// If the value has a toJSON method, call it to obtain a replacement value.
if (value && typeof value === 'object' && typeof value.toJSON === 'function') {
value = value.toJSON(key);
}
// If we were called with a replacer function, then call the replacer to obtain a replacement value.
if (typeof rep === 'function') {
value = rep.call(holder, key, value);
}
// What happens next depends on the value's type.
switch (typeof value) {
case 'string':
return quote(value);
case 'number':
// JSON numbers must be finite. Encode non-finite numbers as null.
return isFinite(value) ? String(value) : 'null';
case 'boolean':
case 'null':
// If the value is a boolean or null, convert it to a string. Note:
// typeof null does not produce 'null'. The case is included here in
// the remote chance that this gets fixed someday.
return String(value);
case 'object':
if (!value) {
return 'null';
}
gap += indent;
partial = [];
// Array.isArray
if (Object.prototype.toString.apply(value) === '[object Array]') {
length = value.length;
for (i = 0; i < length; i += 1) {
partial[i] = str(i, value) || 'null';
}
// Join all of the elements together, separated with commas, and wrap them in brackets.
v = partial.length === 0 ? '[]' : gap
? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']'
: '[' + partial.join(',') + ']';
gap = mind;
return v;
}
// If the replacer is an array, use it to select the members to be stringified.
if (rep && typeof rep === 'object') {
length = rep.length;
for (i = 0; i < length; i += 1) {
k = rep[i];
if (typeof k === 'string') {
v = str(k, value);
if (v) {
partial.push(quote(k) + (gap ? ': ' : ':') + v);
}
}
}
} else {
// Otherwise, iterate through all of the keys in the object.
for (k in value) {
if (Object.prototype.hasOwnProperty.call(value, k)) {
v = str(k, value);
if (v) {
partial.push(quote(k) + (gap ? ': ' : ':') + v);
}
}
}
}
// Join all of the member texts together, separated with commas, and wrap them in braces.
v = partial.length === 0 ? '{}' : gap
? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}'
: '{' + partial.join(',') + '}';
gap = mind;
return v;
default:
}
}
module.exports = function (value, replacer, space) {
var i;
gap = '';
indent = '';
// If the space parameter is a number, make an indent string containing that
// many spaces.
if (typeof space === 'number') {
for (i = 0; i < space; i += 1) {
indent += ' ';
}
}
// If the space parameter is a string, it will be used as the indent string.
else if (typeof space === 'string') {
indent = space;
}
var i;
gap = '';
indent = '';
// If there is a replacer, it must be a function or an array.
// Otherwise, throw an error.
rep = replacer;
if (replacer && typeof replacer !== 'function'
&& (typeof replacer !== 'object' || typeof replacer.length !== 'number')) {
throw new Error('JSON.stringify');
}
// Make a fake root object containing our value under the key of ''.
// Return the result of stringifying the value.
return str('', {'': value});
// If the space parameter is a number, make an indent string containing that many spaces.
if (typeof space === 'number') {
for (i = 0; i < space; i += 1) {
indent += ' ';
}
} else if (typeof space === 'string') {
// If the space parameter is a string, it will be used as the indent string.
indent = space;
}
// If there is a replacer, it must be a function or an array. Otherwise, throw an error.
rep = replacer;
if (
replacer
&& typeof replacer !== 'function'
&& (typeof replacer !== 'object' || typeof replacer.length !== 'number')
) {
throw new Error('JSON.stringify');
}
// Make a fake root object containing our value under the key of ''.
// Return the result of stringifying the value.
return str('', { '': value });
};

88

package.json
{
"name" : "jsonify",
"version" : "0.0.0",
"description" : "JSON without touching any globals",
"main" : "index.js",
"directories" : {
"lib" : ".",
"test" : "test"
},
"devDependencies" : {
"tap" : "0.0.x",
"garbage" : "0.0.x"
},
"scripts" : {
"test" : "tap test"
},
"repository" : {
"type" : "git",
"url" : "http://github.com/substack/jsonify.git"
},
"keywords" : [
"json",
"browser"
],
"author" : {
"name" : "Douglas Crockford",
"url" : "http://crockford.com/"
},
"license" : "Public Domain"
"name": "jsonify",
"version": "0.0.1",
"description": "JSON without touching any globals",
"main": "index.js",
"directories": {
"lib": ".",
"test": "test"
},
"devDependencies": {
"@ljharb/eslint-config": "^21.0.0",
"aud": "^2.0.1",
"auto-changelog": "^2.4.0",
"eslint": "=8.8.0",
"garbage": "0.0.x",
"in-publish": "^2.0.1",
"npmignore": "^0.3.0",
"safe-publish-latest": "^2.0.0",
"tape": "^5.6.1"
},
"scripts": {
"prepack": "npmignore --auto --commentLines=autogenerated",
"prepublishOnly": "safe-publish-latest",
"prepublish": "not-in-publish || npm run prepublishOnly",
"lint": "eslint --ext=js,mjs .",
"pretest": "npm run lint",
"tests-only": "tape 'test/**/*.js'",
"test": "npm run tests-only",
"posttest": "aud --production",
"version": "auto-changelog && git add CHANGELOG.md",
"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
},
"repository": {
"type": "git",
"url": "https://github.com/ljharb/jsonify.git"
},
"keywords": [
"json",
"browser"
],
"author": {
"name": "Douglas Crockford",
"url": "https://crockford.com/"
},
"funding": {
"url": "https://github.com/sponsors/ljharb"
},
"license": "Public Domain",
"auto-changelog": {
"output": "CHANGELOG.md",
"template": "keepachangelog",
"unreleased": false,
"commitLimit": false,
"backfillLimit": false,
"hideCredit": true
},
"publishConfig": {
"ignore": [
".github/workflows"
]
}
}

26

test/parse.js

@@ -1,2 +0,5 @@

var test = require('tap').test;
'use strict';
var test = require('tape');
var json = require('../');

@@ -6,12 +9,13 @@ var garbage = require('garbage');

test('parse', function (t) {
for (var i = 0; i < 50; i++) {
var s = JSON.stringify(garbage(50));
t.deepEqual(
json.parse(s),
JSON.parse(s)
);
}
t.end();
for (var i = 0; i < 50; i++) {
var s = JSON.stringify(garbage(50));
t.deepEqual(
json.parse(s),
JSON.parse(s),
'comparing JSON.parse to jsonify.parse: run ' + (i + 1)
);
}
t.end();
});

23

test/stringify.js

@@ -1,2 +0,4 @@

var test = require('tap').test;
'use strict';
var test = require('tape');
var json = require('../');

@@ -6,11 +8,12 @@ var garbage = require('garbage');

test('stringify', function (t) {
for (var i = 0; i < 50; i++) {
var obj = garbage(50);
t.equal(
json.stringify(obj),
JSON.stringify(obj)
);
}
t.end();
for (var i = 0; i < 50; i++) {
var obj = garbage(50);
t.equal(
json.stringify(obj),
JSON.stringify(obj),
'comparing JSON.stringify to jsonify.stringify: run ' + (i + 1)
);
}
t.end();
});
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