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feat: add code block lnline-color feature.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| span.inline-color-wrapper{ | ||
| background: url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyIDIiPjxwYXRoIGZpbGw9ImdyYXkiIGQ9Ik0wIDBoMnYySDB6Ii8+PHBhdGggZmlsbD0id2hpdGUiIGQ9Ik0wIDBoMXYxSDB6TTEgMWgxdjFIMXoiLz48L3N2Zz4=); | ||
| background-position:center; | ||
| background-size:110%; | ||
| display:inline-block; | ||
| height:1.333ch; | ||
| width:1.333ch; | ||
| margin:0 .333ch; | ||
| box-sizing:border-box; | ||
| border:1px solid #fff; | ||
| outline:1px solid rgba(0,0,0,.5); | ||
| overflow:hidden | ||
| } | ||
| span.inline-color{ | ||
| display: inline-block; | ||
| height: 120%; | ||
| width: 120%; | ||
| position: relative; | ||
| top: -4px; | ||
| } | ||
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| pre.language-diff > code .token.deleted, | ||
| pre > code.language-diff .token.deleted { | ||
| color: var(--color-prettylights-syntax-carriage-return-bg); | ||
| /* background-color:rgba(255,0,0,.1); */ | ||
| /* background-color: var(--color-prettylights-syntax-comment); */ | ||
| /* color:inherit; | ||
| display:block */ | ||
| } | ||
| pre.language-diff > code .token.inserted, | ||
| pre > code.language-diff .token.inserted { | ||
| color: var(--color-prettylights-syntax-entity-tag); | ||
| /* background-color:rgba(0,255,128,.1); */ | ||
| /* color:inherit; | ||
| display:block */ | ||
| } |
105 changes: 105 additions & 0 deletions
105
Sources/Markdown/Resources/web.bundle/plugins/lnline-color.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| (function () { | ||
|
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| if (typeof Prism === 'undefined' || typeof document === 'undefined') { | ||
| return; | ||
| } | ||
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| // Copied from the markup language definition | ||
| var HTML_TAG = /<\/?(?!\d)[^\s>\/=$<%]+(?:\s(?:\s*[^\s>\/=]+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+(?=[\s>]))|(?=[\s/>])))+)?\s*\/?>/g; | ||
|
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| // a regex to validate hexadecimal colors | ||
| var HEX_COLOR = /^#?((?:[\da-f]){3,4}|(?:[\da-f]{2}){3,4})$/i; | ||
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| /** | ||
| * Parses the given hexadecimal representation and returns the parsed RGBA color. | ||
| * | ||
| * If the format of the given string is invalid, `undefined` will be returned. | ||
| * Valid formats are: `RGB`, `RGBA`, `RRGGBB`, and `RRGGBBAA`. | ||
| * | ||
| * Hexadecimal colors are parsed because they are not fully supported by older browsers, so converting them to | ||
| * `rgba` functions improves browser compatibility. | ||
| * | ||
| * @param {string} hex | ||
| * @returns {string | undefined} | ||
| */ | ||
| function parseHexColor(hex) { | ||
| var match = HEX_COLOR.exec(hex); | ||
| if (!match) { | ||
| return undefined; | ||
| } | ||
| hex = match[1]; // removes the leading "#" | ||
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| // the width and number of channels | ||
| var channelWidth = hex.length >= 6 ? 2 : 1; | ||
| var channelCount = hex.length / channelWidth; | ||
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| // the scale used to normalize 4bit and 8bit values | ||
| var scale = channelWidth == 1 ? 1 / 15 : 1 / 255; | ||
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| // normalized RGBA channels | ||
| var channels = []; | ||
| for (var i = 0; i < channelCount; i++) { | ||
| var int = parseInt(hex.substr(i * channelWidth, channelWidth), 16); | ||
| channels.push(int * scale); | ||
| } | ||
| if (channelCount == 3) { | ||
| channels.push(1); // add alpha of 100% | ||
| } | ||
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| // output | ||
| var rgb = channels.slice(0, 3).map(function (x) { | ||
| return String(Math.round(x * 255)); | ||
| }).join(','); | ||
| var alpha = String(Number(channels[3].toFixed(3))); // easy way to round 3 decimal places | ||
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| return 'rgba(' + rgb + ',' + alpha + ')'; | ||
| } | ||
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| /** | ||
| * Validates the given Color using the current browser's internal implementation. | ||
| * | ||
| * @param {string} color | ||
| * @returns {string | undefined} | ||
| */ | ||
| function validateColor(color) { | ||
| var s = new Option().style; | ||
| s.color = color; | ||
| return s.color ? color : undefined; | ||
| } | ||
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| /** | ||
| * An array of function which parse a given string representation of a color. | ||
| * | ||
| * These parser serve as validators and as a layer of compatibility to support color formats which the browser | ||
| * might not support natively. | ||
| * | ||
| * @type {((value: string) => (string|undefined))[]} | ||
| */ | ||
| var parsers = [ | ||
| parseHexColor, | ||
| validateColor | ||
| ]; | ||
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| Prism.hooks.add('wrap', function (env) { | ||
| if (env.type === 'color' || env.classes.indexOf('color') >= 0) { | ||
| var content = env.content; | ||
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| // remove all HTML tags inside | ||
| var rawText = content.split(HTML_TAG).join(''); | ||
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| var color; | ||
| for (var i = 0, l = parsers.length; i < l && !color; i++) { | ||
| color = parsers[i](rawText); | ||
| } | ||
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| if (!color) { | ||
| return; | ||
| } | ||
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| var previewElement = '<span class="inline-color-wrapper"><span class="inline-color" style="background-color:' + color + ';"></span></span>'; | ||
| env.content = previewElement + content; | ||
| } | ||
| }); | ||
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| }()); |