Files
notification-elements-demo/node_modules/@webassemblyjs/helper-numbers/esm/index.js
Giuliano Silvestro 5d0c9ec7eb Initial commit: notification-elements-demo app
Interactive Angular 19 demo for @sda/notification-elements-ui with
6 sections: Bell & Feed, Notification Center, Inbox, Comments &
Threads, Mention Input, and Full-Featured layout. Includes mock
data, dark mode toggle, and real-time event log.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-13 21:49:19 +10:00

92 lines
2.6 KiB
JavaScript

import Long from "@xtuc/long";
import parseHexFloat from "@webassemblyjs/floating-point-hex-parser";
import { CompileError } from "@webassemblyjs/helper-api-error";
export function parse32F(sourceString) {
if (isHexLiteral(sourceString)) {
return parseHexFloat(sourceString);
}
if (isInfLiteral(sourceString)) {
return sourceString[0] === "-" ? -1 : 1;
}
if (isNanLiteral(sourceString)) {
return (sourceString[0] === "-" ? -1 : 1) * (sourceString.includes(":") ? parseInt(sourceString.substring(sourceString.indexOf(":") + 1), 16) : 0x400000);
}
return parseFloat(sourceString);
}
export function parse64F(sourceString) {
if (isHexLiteral(sourceString)) {
return parseHexFloat(sourceString);
}
if (isInfLiteral(sourceString)) {
return sourceString[0] === "-" ? -1 : 1;
}
if (isNanLiteral(sourceString)) {
return (sourceString[0] === "-" ? -1 : 1) * (sourceString.includes(":") ? parseInt(sourceString.substring(sourceString.indexOf(":") + 1), 16) : 0x8000000000000);
}
if (isHexLiteral(sourceString)) {
return parseHexFloat(sourceString);
}
return parseFloat(sourceString);
}
export function parse32I(sourceString) {
var value = 0;
if (isHexLiteral(sourceString)) {
value = ~~parseInt(sourceString, 16);
} else if (isDecimalExponentLiteral(sourceString)) {
throw new Error("This number literal format is yet to be implemented.");
} else {
value = parseInt(sourceString, 10);
}
return value;
}
export function parseU32(sourceString) {
var value = parse32I(sourceString);
if (value < 0) {
throw new CompileError("Illegal value for u32: " + sourceString);
}
return value;
}
export function parse64I(sourceString) {
// $FlowIgnore
var _long;
if (isHexLiteral(sourceString)) {
_long = Long.fromString(sourceString, false, 16);
} else if (isDecimalExponentLiteral(sourceString)) {
throw new Error("This number literal format is yet to be implemented.");
} else {
_long = Long.fromString(sourceString);
}
return {
high: _long.high,
low: _long.low
};
}
var NAN_WORD = /^\+?-?nan/;
var INF_WORD = /^\+?-?inf/;
export function isInfLiteral(sourceString) {
return INF_WORD.test(sourceString.toLowerCase());
}
export function isNanLiteral(sourceString) {
return NAN_WORD.test(sourceString.toLowerCase());
}
function isDecimalExponentLiteral(sourceString) {
return !isHexLiteral(sourceString) && sourceString.toUpperCase().includes("E");
}
function isHexLiteral(sourceString) {
return sourceString.substring(0, 2).toUpperCase() === "0X" || sourceString.substring(0, 3).toUpperCase() === "-0X";
}