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lossless-json

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lossless-json - npm Package Compare versions

Comparing version

2.0.3
to
2.0.4

4

HISTORY.md
# History
## 2022-12-19, version 2.0.4
- Improved performance.
## 2022-12-01, version 2.0.3

@@ -4,0 +8,0 @@

108

lib/esm/parse.js

@@ -33,3 +33,3 @@ import { parseLosslessNumber } from './numberParsers.js';

function parseObject() {
if (text[i] === '{') {
if (text.charCodeAt(i) === codeOpeningBrace) {
i++;

@@ -39,3 +39,3 @@ skipWhitespace();

var initial = true;
while (i < text.length && text[i] !== '}') {
while (i < text.length && text.charCodeAt(i) !== codeClosingBrace) {
if (!initial) {

@@ -60,3 +60,3 @@ eatComma();

}
if (text[i] !== '}') {
if (text.charCodeAt(i) !== codeClosingBrace) {
throwObjectKeyOrEndExpected();

@@ -69,3 +69,3 @@ }

function parseArray() {
if (text[i] === '[') {
if (text.charCodeAt(i) === codeOpeningBracket) {
i++;

@@ -75,3 +75,3 @@ skipWhitespace();

var initial = true;
while (i < text.length && text[i] !== ']') {
while (i < text.length && text.charCodeAt(i) !== codeClosingBracket) {
if (!initial) {

@@ -86,3 +86,3 @@ eatComma();

}
if (text[i] !== ']') {
if (text.charCodeAt(i) !== codeClosingBracket) {
throwArrayItemOrEndExpected();

@@ -108,3 +108,3 @@ }

function skipWhitespace() {
while (isWhitespace(text[i])) {
while (isWhitespace(text.charCodeAt(i))) {
i++;

@@ -114,7 +114,7 @@ }

function parseString() {
if (text[i] === '"') {
if (text.charCodeAt(i) === codeDoubleQuote) {
i++;
var result = '';
while (i < text.length && text[i] !== '"') {
if (text[i] === '\\') {
while (i < text.length && text.charCodeAt(i) !== codeDoubleQuote) {
if (text.charCodeAt(i) === codeBackslash) {
var char = text[i + 1];

@@ -126,3 +126,3 @@ var escapeChar = escapeCharacters[char];

} else if (char === 'u') {
if (isHex(text[i + 2]) && isHex(text[i + 3]) && isHex(text[i + 4]) && isHex(text[i + 5])) {
if (isHex(text.charCodeAt(i + 2)) && isHex(text.charCodeAt(i + 3)) && isHex(text.charCodeAt(i + 4)) && isHex(text.charCodeAt(i + 5))) {
result += String.fromCharCode(parseInt(text.slice(i + 2, i + 6), 16));

@@ -137,7 +137,6 @@ i += 5;

} else {
var _char = text[i];
if (isValidStringCharacter(_char)) {
result += _char;
if (isValidStringCharacter(text.charCodeAt(i))) {
result += text[i];
} else {
throwInvalidCharacter(_char);
throwInvalidCharacter(text[i]);
}

@@ -154,28 +153,28 @@ }

var start = i;
if (text[i] === '-') {
if (text.charCodeAt(i) === codeMinus) {
i++;
expectDigit(start);
}
if (text[i] === '0') {
if (text.charCodeAt(i) === codeZero) {
i++;
} else if (isNonZeroDigit(text[i])) {
} else if (isNonZeroDigit(text.charCodeAt(i))) {
i++;
while (isDigit(text[i])) {
while (isDigit(text.charCodeAt(i))) {
i++;
}
}
if (text[i] === '.') {
if (text.charCodeAt(i) === codeDot) {
i++;
expectDigit(start);
while (isDigit(text[i])) {
while (isDigit(text.charCodeAt(i))) {
i++;
}
}
if (text[i] === 'e' || text[i] === 'E') {
if (text.charCodeAt(i) === codeLowercaseE || text.charCodeAt(i) === codeUppercaseE) {
i++;
if (text[i] === '-' || text[i] === '+') {
if (text.charCodeAt(i) === codeMinus || text.charCodeAt(i) === codePlus) {
i++;
}
expectDigit(start);
while (isDigit(text[i])) {
while (isDigit(text.charCodeAt(i))) {
i++;

@@ -189,3 +188,3 @@ }

function eatComma() {
if (text[i] !== ',') {
if (text.charCodeAt(i) !== codeComma) {
throw new SyntaxError("Comma ',' expected after value ".concat(gotAt()));

@@ -196,3 +195,3 @@ }

function eatColon() {
if (text[i] !== ':') {
if (text.charCodeAt(i) !== codeColon) {
throw new SyntaxError("Colon ':' expected after property name ".concat(gotAt()));

@@ -218,3 +217,3 @@ }

function expectDigit(start) {
if (!isDigit(text[i])) {
if (!isDigit(text.charCodeAt(i))) {
var numSoFar = text.slice(start, i);

@@ -225,3 +224,3 @@ throw new SyntaxError("Invalid number '".concat(numSoFar, "', expecting a digit ").concat(gotAt()));

function expectEndOfString() {
if (text[i] !== '"') {
if (text.charCodeAt(i) !== codeDoubleQuote) {
throw new SyntaxError("End of string '\"' expected ".concat(gotAt()));

@@ -263,3 +262,3 @@ }

function got() {
return text[i] ? "but got '".concat(text[i], "'") : 'but reached end of input';
return i < text.length ? "but got '".concat(text[i], "'") : 'but reached end of input';
}

@@ -270,16 +269,16 @@ function gotAt() {

}
function isWhitespace(char) {
return whitespaceCharacters[char] === true;
function isWhitespace(code) {
return code === codeSpace || code === codeNewline || code === codeTab || code === codeReturn;
}
function isHex(char) {
return /^[0-9a-fA-F]/.test(char);
function isHex(code) {
return code >= codeZero && code < codeNine || code >= codeUppercaseA && code <= codeUppercaseF || code >= codeLowercaseA && code <= codeLowercaseF;
}
function isDigit(char) {
return /[0-9]/.test(char);
function isDigit(code) {
return code >= codeZero && code <= codeNine;
}
function isNonZeroDigit(char) {
return /[1-9]/.test(char);
function isNonZeroDigit(code) {
return code >= codeOne && code <= codeNine;
}
function isValidStringCharacter(char) {
return /^(?:[ -\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])$/.test(char);
export function isValidStringCharacter(code) {
return code >= 0x20 && code <= 0x10ffff;
}

@@ -300,9 +299,26 @@

// map with all whitespace characters
var whitespaceCharacters = {
' ': true,
'\n': true,
'\t': true,
'\r': true
};
var codeBackslash = 0x5c; // "\"
var codeOpeningBrace = 0x7b; // "{"
var codeClosingBrace = 0x7d; // "}"
var codeOpeningBracket = 0x5b; // "["
var codeClosingBracket = 0x5d; // "]"
var codeSpace = 0x20; // " "
var codeNewline = 0xa; // "\n"
var codeTab = 0x9; // "\t"
var codeReturn = 0xd; // "\r"
var codeDoubleQuote = 0x0022; // "
var codePlus = 0x2b; // "+"
var codeMinus = 0x2d; // "-"
var codeZero = 0x30;
var codeOne = 0x31;
var codeNine = 0x39;
var codeComma = 0x2c; // ","
var codeDot = 0x2e; // "." (dot, period)
var codeColon = 0x3a; // ":"
export var codeUppercaseA = 0x41; // "A"
export var codeLowercaseA = 0x61; // "a"
export var codeUppercaseE = 0x45; // "E"
export var codeLowercaseE = 0x65; // "e"
export var codeUppercaseF = 0x46; // "F"
export var codeLowercaseF = 0x66; // "f"
//# sourceMappingURL=parse.js.map

7

lib/types/parse.d.ts

@@ -26,2 +26,9 @@ import { JavaScriptValue } from './types';

export declare function parse(text: string, reviver?: Reviver, parseNumber?: NumberParser): JavaScriptValue;
export declare function isValidStringCharacter(code: number): boolean;
export declare const codeUppercaseA = 65;
export declare const codeLowercaseA = 97;
export declare const codeUppercaseE = 69;
export declare const codeLowercaseE = 101;
export declare const codeUppercaseF = 70;
export declare const codeLowercaseF = 102;
//# sourceMappingURL=parse.d.ts.map

2

lib/umd/lossless-json.js

@@ -1,1 +0,1 @@

!function(n,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((n="undefined"!=typeof globalThis?globalThis:n||self).LosslessJSON={})}(this,(function(n){"use strict";function t(n){return r.test(n)}var r=/^-?[0-9]+$/;function e(n){return i.test(n)}var o,i=/^-?(?:0|[1-9]\d*)(?:\.\d+)?(?:[eE][+-]?\d+)?$/;function u(n,r){var e=parseFloat(n),o=String(e),i=c(n),u=c(o);if(i===u)return!0;if(!0===(null==r?void 0:r.approx)){if(!t(n)&&u.length>=14&&i.startsWith(u.substring(0,14)))return!0}return!1}function a(r){if(!u(r,{approx:!1})){if(t(r))return n.UnsafeNumberReason.truncate_integer;var e=parseFloat(r);return isFinite(e)?0===e?n.UnsafeNumberReason.underflow:n.UnsafeNumberReason.truncate_float:n.UnsafeNumberReason.overflow}}function c(n){return n.replace(f,"").replace(s,"").replace(y,"").replace(l,"")}n.UnsafeNumberReason=void 0,(o=n.UnsafeNumberReason||(n.UnsafeNumberReason={})).underflow="underflow",o.overflow="overflow",o.truncate_integer="truncate_integer",o.truncate_float="truncate_float";var f=/[eE][+-]?\d+$/,l=/^-?(0*)?/,s=/\./,y=/0+$/;function v(n){return v="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(n){return typeof n}:function(n){return n&&"function"==typeof Symbol&&n.constructor===Symbol&&n!==Symbol.prototype?"symbol":typeof n},v(n)}function p(n,t){for(var r=0;r<t.length;r++){var e=t[r];e.enumerable=e.enumerable||!1,e.configurable=!0,"value"in e&&(e.writable=!0),Object.defineProperty(n,b(e.key),e)}}function b(n){var t=function(n,t){if("object"!==v(n)||null===n)return n;var r=n[Symbol.toPrimitive];if(void 0!==r){var e=r.call(n,t||"default");if("object"!==v(e))return e;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(n)}(n,"string");return"symbol"===v(t)?t:String(t)}var d=function(){function r(n){if(function(n,t){if(!(n instanceof t))throw new TypeError("Cannot call a class as a function")}(this,r),function(n,t,r){(t=b(t))in n?Object.defineProperty(n,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):n[t]=r}(this,"isLosslessNumber",!0),!e(n))throw new Error('Invalid number (value: "'+n+'")');this.value=n}var o,i,u;return o=r,(i=[{key:"valueOf",value:function(){var r=a(this.value);if(void 0===r||r===n.UnsafeNumberReason.truncate_float)return parseFloat(this.value);if(t(this.value))return BigInt(this.value);throw new Error("Cannot safely convert to number: "+"the value '".concat(this.value,"' would ").concat(r," and become ").concat(parseFloat(this.value)))}},{key:"toString",value:function(){return this.value}}])&&p(o.prototype,i),u&&p(o,u),Object.defineProperty(o,"prototype",{writable:!1}),r}();function m(n){return n&&"object"===v(n)&&!0===n.isLosslessNumber||!1}function h(n){return new d(n)}function w(n){return w="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(n){return typeof n}:function(n){return n&&"function"==typeof Symbol&&n.constructor===Symbol&&n!==Symbol.prototype?"symbol":typeof n},w(n)}function g(n,t){return S({"":n},"",n,t)}function S(n,t,r,e){return Array.isArray(r)?e.call(n,t,function(n,t){for(var r=0;r<n.length;r++)n[r]=S(n,r+"",n[r],t);return n}(r,e)):r&&"object"===w(r)&&!m(r)?e.call(n,t,function(n,t){return Object.keys(n).forEach((function(r){var e=S(n,r,n[r],t);void 0!==e?n[r]=e:delete n[r]})),n}(r,e)):e.call(n,t,r)}function N(n){return!0===j[n]}function E(n){return/^[0-9a-fA-F]/.test(n)}function x(n){return/[0-9]/.test(n)}function F(n){return/[1-9]/.test(n)}function D(n){return/^(?:[ -\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])$/.test(n)}var O={'"':'"',"\\":"\\","/":"/",b:"\b",f:"\f",n:"\n",r:"\r",t:"\t"},j={" ":!0,"\n":!0,"\t":!0,"\r":!0};function I(n){return I="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(n){return typeof n}:function(n){return n&&"function"==typeof Symbol&&n.constructor===Symbol&&n!==Symbol.prototype?"symbol":typeof n},I(n)}var A=/^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z$/;n.LosslessNumber=d,n.config=function(n){throw new Error("config is deprecated, support for circularRefs is removed from the library. If you encounter circular references in your data structures, please rethink your datastructures: better prevent circular references in the first place.")},n.getUnsafeNumberReason=a,n.isInteger=t,n.isLosslessNumber=m,n.isNumber=e,n.isSafeNumber=u,n.parse=function(n,t){var r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:h,e=0,o=a();return p(o),d(),t?g(o,t):o;function i(){if("{"===n[e]){e++,f();for(var t={},r=!0;e<n.length&&"}"!==n[e];){r?r=!1:(y(),f());var o=l();void 0===o&&S(),Object.prototype.hasOwnProperty.call(t,o)&&j(o),f(),v(),t[o]=a()}return"}"!==n[e]&&I(),e++,t}}function u(){if("["===n[e]){e++,f();for(var t=[],r=!0;e<n.length&&"]"!==n[e];){r?r=!1:y();var o=a();b(o),t.push(o)}return"]"!==n[e]&&A(),e++,t}}function a(){var n,t,r,e,o,a;f();var y=null!==(n=null!==(t=null!==(r=null!==(e=null!==(o=null!==(a=l())&&void 0!==a?a:s())&&void 0!==o?o:i())&&void 0!==e?e:u())&&void 0!==r?r:c("true",!0))&&void 0!==t?t:c("false",!1))&&void 0!==n?n:c("null",null);return f(),y}function c(t,r){if(n.slice(e,e+t.length)===t)return e+=t.length,r}function f(){for(;N(n[e]);)e++}function l(){if('"'===n[e]){e++;for(var t="";e<n.length&&'"'!==n[e];){if("\\"===n[e]){var r=n[e+1],o=O[r];void 0!==o?(t+=o,e++):"u"===r?E(n[e+2])&&E(n[e+3])&&E(n[e+4])&&E(n[e+5])?(t+=String.fromCharCode(parseInt(n.slice(e+2,e+6),16)),e+=5):C(e):k(e)}else{var i=n[e];D(i)?t+=i:R(i)}e++}return w(),e++,t}}function s(){var t=e;if("-"===n[e]&&(e++,m(t)),"0"===n[e])e++;else if(F(n[e]))for(e++;x(n[e]);)e++;if("."===n[e])for(e++,m(t);x(n[e]);)e++;if("e"===n[e]||"E"===n[e])for(e++,"-"!==n[e]&&"+"!==n[e]||e++,m(t);x(n[e]);)e++;if(e>t)return r(n.slice(t,e))}function y(){if(","!==n[e])throw new SyntaxError("Comma ',' expected after value ".concat(J()));e++}function v(){if(":"!==n[e])throw new SyntaxError("Colon ':' expected after property name ".concat(J()));e++}function p(n){if(void 0===n)throw new SyntaxError("JSON value expected ".concat(J()))}function b(n){if(void 0===n)throw new SyntaxError("Array item expected ".concat(J()))}function d(){if(e<n.length)throw new SyntaxError("Expected end of input ".concat(J()))}function m(t){if(!x(n[e])){var r=n.slice(t,e);throw new SyntaxError("Invalid number '".concat(r,"', expecting a digit ").concat(J()))}}function w(){if('"'!==n[e])throw new SyntaxError("End of string '\"' expected ".concat(J()))}function S(){throw new SyntaxError("Quoted object key expected ".concat(J()))}function j(n){throw new SyntaxError("Duplicate key '".concat(n,"' encountered at position ").concat(e-n.length-1))}function I(){throw new SyntaxError("Quoted object key or end of object '}' expected ".concat(J()))}function A(){throw new SyntaxError("Array item or end of array ']' expected ".concat(J()))}function R(n){throw new SyntaxError("Invalid character '".concat(n,"' ").concat(U()))}function k(t){var r=n.slice(t,t+2);throw new SyntaxError("Invalid escape character '".concat(r,"' ").concat(U()))}function C(t){for(var r=t+2;/\w/.test(n[r]);)r++;var e=n.slice(t,r);throw new SyntaxError("Invalid unicode character '".concat(e,"' ").concat(U()))}function U(){return"at position ".concat(e)}function _(){return n[e]?"but got '".concat(n[e],"'"):"but reached end of input"}function J(){return _()+" "+U()}},n.parseLosslessNumber=h,n.parseNumberAndBigInt=function(n){return t(n)?BigInt(n):parseFloat(n)},n.reviveDate=function(n,t){return"string"==typeof t&&A.test(t)?new Date(t):t},n.stringify=function n(t,r,o,i){var u=function(n){if("number"==typeof n)return" ".repeat(n);if("string"==typeof n&&""!==n)return n;return}(o);return a("function"==typeof r?r.call({"":t},"",t):t,"");function a(t,c){if(Array.isArray(i)){var f=i.find((function(n){return n.test(t)}));if(f){var l=f.stringify(t);if("string"!=typeof l||!e(l))throw new Error("Invalid JSON number: output of a number stringifier must be a string containing a JSON number "+"(output: ".concat(l,")"));return l}}return"boolean"==typeof t||"number"==typeof t||"string"==typeof t||null===t||t instanceof Date||t instanceof Boolean||t instanceof Number||t instanceof String?JSON.stringify(t):t&&t.isLosslessNumber||"bigint"==typeof t?t.toString():Array.isArray(t)?function(n,t){for(var e=u?t+u:void 0,o=u?"[\n":"[",i=0;i<n.length;i++){var c="function"==typeof r?r.call(n,String(i),n[i]):n[i];u&&(o+=e),o+=void 0!==c&&"function"!=typeof c?a(c,e):"null",i<n.length-1&&(o+=u?",\n":",")}return o+=u?"\n"+t+"]":"]"}(t,c):t&&"object"===I(t)?function(t,e){if("function"==typeof t.toJSON)return n(t.toJSON(),r,o,void 0);var i=Array.isArray(r)?r.map(String):Object.keys(t),c=u?e+u:void 0,f=!0,l=u?"{\n":"{";return i.forEach((function(n){var e="function"==typeof r?r.call(t,n,t[n]):t[n];if(function(n,t){return void 0!==t&&"function"!=typeof t&&"symbol"!==I(t)}(0,e)){f?f=!1:l+=u?",\n":",";var o=JSON.stringify(n);l+=u?c+o+": ":o+":",l+=a(e,c)}})),l+=u?"\n"+e+"}":"}"}(t,c):void 0}},n.toLosslessNumber=function(n){if(c(n+"").length>15)throw new Error("Invalid number: contains more than 15 digits and is most likely truncated and unsafe by itself "+"(value: ".concat(n,")"));if(isNaN(n))throw new Error("Invalid number: NaN");if(!isFinite(n))throw new Error("Invalid number: "+n);return new d(String(n))},n.toSafeNumberOrThrow=function(t,r){var e=parseFloat(t),o=a(t);if(!0===(null==r?void 0:r.approx)?o&&o!==n.UnsafeNumberReason.truncate_float:o){var i=o.replace(/_\w+$/,"");throw new Error("Cannot safely convert to number: "+"the value '".concat(t,"' would ").concat(i," and become ").concat(e))}return e}}));//# sourceMappingURL=lossless-json.js.map
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t.test(r)}));if(f){var l=f.stringify(r);if("string"!=typeof l||!e(l))throw new Error("Invalid JSON number: output of a number stringifier must be a string containing a JSON number "+"(output: ".concat(l,")"));return l}}return"boolean"==typeof r||"number"==typeof r||"string"==typeof r||null===r||r instanceof Date||r instanceof Boolean||r instanceof Number||r instanceof String?JSON.stringify(r):r&&r.isLosslessNumber||"bigint"==typeof r?r.toString():Array.isArray(r)?function(t,r){for(var e=i?r+i:void 0,o=i?"[\n":"[",a=0;a<t.length;a++){var u="function"==typeof n?n.call(t,String(a),t[a]):t[a];i&&(o+=e),o+=void 0!==u&&"function"!=typeof u?c(u,e):"null",a<t.length-1&&(o+=i?",\n":",")}return o+=i?"\n"+r+"]":"]"}(r,u):r&&"object"===X(r)?function(r,e){if("function"==typeof r.toJSON)return t(r.toJSON(),n,o,void 0);var a=Array.isArray(n)?n.map(String):Object.keys(r),u=i?e+i:void 0,f=!0,l=i?"{\n":"{";return a.forEach((function(t){var e="function"==typeof 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2

package.json
{
"name": "lossless-json",
"version": "2.0.3",
"version": "2.0.4",
"description": "Parse JSON without risk of losing numeric information",

@@ -5,0 +5,0 @@ "type": "module",

2

README.md

@@ -410,3 +410,3 @@ # lossless-json

## Deploy
## Publish

@@ -413,0 +413,0 @@ - Update version number in `package.json`, and run `npm install` to update the version number in `package-lock.json` too.

lib/esm/parse.js.map

Sorry, the diff of this file is not supported yet

lib/types/parse.d.ts.map

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lib/umd/lossless-json.js.map

Sorry, the diff of this file is not supported yet