117 lines
3.3 KiB
JavaScript
117 lines
3.3 KiB
JavaScript
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(function() {
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if (
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typeof self !== 'undefined' && !self.Prism ||
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typeof global !== 'undefined' && !global.Prism
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) {
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return;
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}
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var languages = {
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'css': true,
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'less': true,
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'sass': [
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{
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lang: 'sass',
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inside: 'inside',
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before: 'punctuation',
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root: Prism.languages.sass && Prism.languages.sass['variable-line']
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},
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{
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lang: 'sass',
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inside: 'inside',
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root: Prism.languages.sass && Prism.languages.sass['property-line']
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}
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],
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'scss': true,
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'stylus': [
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{
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lang: 'stylus',
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before: 'hexcode',
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inside: 'rest',
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root: Prism.languages.stylus && Prism.languages.stylus['property-declaration'].inside
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},
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{
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lang: 'stylus',
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before: 'hexcode',
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inside: 'rest',
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root: Prism.languages.stylus && Prism.languages.stylus['variable-declaration'].inside
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}
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]
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};
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Prism.hooks.add('before-highlight', function (env) {
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if (env.language && languages[env.language] && !languages[env.language].initialized) {
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var lang = languages[env.language];
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if (Prism.util.type(lang) !== 'Array') {
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lang = [lang];
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}
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lang.forEach(function(lang) {
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var before, inside, root, skip;
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if (lang === true) {
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before = 'important';
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inside = env.language;
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lang = env.language;
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} else {
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before = lang.before || 'important';
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inside = lang.inside || lang.lang;
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root = lang.root || Prism.languages;
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skip = lang.skip;
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lang = env.language;
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}
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if (!skip && Prism.languages[lang]) {
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Prism.languages.insertBefore(inside, before, {
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'easing': /\bcubic-bezier\((?:-?\d*\.?\d+,\s*){3}-?\d*\.?\d+\)\B|\b(?:linear|ease(?:-in)?(?:-out)?)(?=\s|[;}]|$)/i
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}, root);
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env.grammar = Prism.languages[lang];
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languages[env.language] = {initialized: true};
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}
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});
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}
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});
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if (Prism.plugins.Previewer) {
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new Prism.plugins.Previewer('easing', function (value) {
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value = {
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'linear': '0,0,1,1',
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'ease': '.25,.1,.25,1',
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'ease-in': '.42,0,1,1',
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'ease-out': '0,0,.58,1',
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'ease-in-out':'.42,0,.58,1'
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}[value] || value;
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var p = value.match(/-?\d*\.?\d+/g);
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if(p.length === 4) {
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p = p.map(function(p, i) { return (i % 2? 1 - p : p) * 100; });
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this.querySelector('path').setAttribute('d', 'M0,100 C' + p[0] + ',' + p[1] + ', ' + p[2] + ',' + p[3] + ', 100,0');
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var lines = this.querySelectorAll('line');
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lines[0].setAttribute('x2', p[0]);
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lines[0].setAttribute('y2', p[1]);
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lines[1].setAttribute('x2', p[2]);
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lines[1].setAttribute('y2', p[3]);
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return true;
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}
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return false;
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}, '*', function () {
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this._elt.innerHTML = '<svg viewBox="-20 -20 140 140" width="100" height="100">' +
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'<defs>' +
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'<marker id="prism-previewer-easing-marker" viewBox="0 0 4 4" refX="2" refY="2" markerUnits="strokeWidth">' +
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'<circle cx="2" cy="2" r="1.5" />' +
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'</marker>' +
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'</defs>' +
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'<path d="M0,100 C20,50, 40,30, 100,0" />' +
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'<line x1="0" y1="100" x2="20" y2="50" marker-start="url(' + location.href + '#prism-previewer-easing-marker)" marker-end="url(' + location.href + '#prism-previewer-easing-marker)" />' +
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'<line x1="100" y1="0" x2="40" y2="30" marker-start="url(' + location.href + '#prism-previewer-easing-marker)" marker-end="url(' + location.href + '#prism-previewer-easing-marker)" />' +
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'</svg>';
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});
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}
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}());
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