vscode-json-languageservice
Version:
Language service for JSON
84 lines (83 loc) • 3.32 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
(function (factory) {
if (typeof module === "object" && typeof module.exports === "object") {
var v = factory(require, exports);
if (v !== undefined) module.exports = v;
}
else if (typeof define === "function" && define.amd) {
define(["require", "exports"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.hexDigit = hexDigit;
exports.colorFromHex = colorFromHex;
exports.colorFrom256RGB = colorFrom256RGB;
const Digit0 = 48;
const Digit9 = 57;
const A = 65;
const a = 97;
const f = 102;
function hexDigit(charCode) {
if (charCode < Digit0) {
return 0;
}
if (charCode <= Digit9) {
return charCode - Digit0;
}
if (charCode < a) {
charCode += (a - A);
}
if (charCode >= a && charCode <= f) {
return charCode - a + 10;
}
return 0;
}
function colorFromHex(text) {
if (text[0] !== '#') {
return undefined;
}
switch (text.length) {
case 4:
return {
red: (hexDigit(text.charCodeAt(1)) * 0x11) / 255.0,
green: (hexDigit(text.charCodeAt(2)) * 0x11) / 255.0,
blue: (hexDigit(text.charCodeAt(3)) * 0x11) / 255.0,
alpha: 1
};
case 5:
return {
red: (hexDigit(text.charCodeAt(1)) * 0x11) / 255.0,
green: (hexDigit(text.charCodeAt(2)) * 0x11) / 255.0,
blue: (hexDigit(text.charCodeAt(3)) * 0x11) / 255.0,
alpha: (hexDigit(text.charCodeAt(4)) * 0x11) / 255.0,
};
case 7:
return {
red: (hexDigit(text.charCodeAt(1)) * 0x10 + hexDigit(text.charCodeAt(2))) / 255.0,
green: (hexDigit(text.charCodeAt(3)) * 0x10 + hexDigit(text.charCodeAt(4))) / 255.0,
blue: (hexDigit(text.charCodeAt(5)) * 0x10 + hexDigit(text.charCodeAt(6))) / 255.0,
alpha: 1
};
case 9:
return {
red: (hexDigit(text.charCodeAt(1)) * 0x10 + hexDigit(text.charCodeAt(2))) / 255.0,
green: (hexDigit(text.charCodeAt(3)) * 0x10 + hexDigit(text.charCodeAt(4))) / 255.0,
blue: (hexDigit(text.charCodeAt(5)) * 0x10 + hexDigit(text.charCodeAt(6))) / 255.0,
alpha: (hexDigit(text.charCodeAt(7)) * 0x10 + hexDigit(text.charCodeAt(8))) / 255.0
};
}
return undefined;
}
function colorFrom256RGB(red, green, blue, alpha = 1.0) {
return {
red: red / 255.0,
green: green / 255.0,
blue: blue / 255.0,
alpha
};
}
});