From 476c93f0007ed41d8c791667f6d1bbe644096b91 Mon Sep 17 00:00:00 2001 From: Blaise Date: Fri, 28 Oct 2022 18:35:37 -0500 Subject: Rename to proselight --- proselight.js | 210 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 210 insertions(+) create mode 100644 proselight.js (limited to 'proselight.js') diff --git a/proselight.js b/proselight.js new file mode 100644 index 0000000..184cbda --- /dev/null +++ b/proselight.js @@ -0,0 +1,210 @@ +/** + * @fileoverview proselight, based on microlight - syntax highlightning library + * @version 0.0.7 + * + * @license MIT, see http://github.com/asvd/microlight + * @copyright 2016 asvd + * + * Code structure aims at minimizing the compressed library size + */ + + +(function (root, factory) { + if (typeof define === 'function' && define.amd) { + define(['exports'], factory); + } else if (typeof exports !== 'undefined') { + factory(exports); + } else { + factory((root.microlight = {})); + } +}(this, function (exports) { + // for better compression + var _window = window, + _document = document, + appendChild = 'appendChild', + test = 'test', + // style and color templates + textShadow = ';text-shadow:', + opacity = 'opacity:.', + _0px_0px = ' 0px 0px ', + _3px_0px_5 = '3px 0px 5', + brace = ')', + + i, + microlighted, + el; // current microlighted element to run through + + + + var reset = function(cls) { + // nodes to highlight + microlighted = _document.getElementsByClassName(cls||'microlight'); + + for (i = 0; el = microlighted[i++];) { + var text = el.textContent, + pos = 0, // current position + next1 = text[0], // next character + chr = 1, // current character + prev1, // previous character + prev2, // the one before the previous + token = // current token content + el.innerHTML = '', // (and cleaning the node) + + // current token type: + // 0: anything else (whitespaces / newlines) + // 1: operator or brace + // 2: closing braces (after which '/' is division not regex) + // 3: (key)word + // 4: regex + // 5: string starting with " + // 6: string starting with ' + // 7: xml comment + // 8: multiline comment /* */ + // 9: single-line comment starting with two slashes // + // 10: single-line comment starting with hash # + tokenType = 0, + + // kept to determine between regex and division + lastTokenType, + // flag determining if token is multi-character + multichar, + node, + + // calculating the colors for the style templates + colorArr = /(\d*\, \d*\, \d*)(, ([.\d]*))?/g.exec( + _window.getComputedStyle(el).color + ), + pxColor = 'px rgba('+colorArr[1]+',', + alpha = colorArr[3]||1; + + // running through characters and highlighting + while (prev2 = prev1, + // escaping if needed (with except for comments) + // pervious character will not be therefore + // recognized as a token finalize condition + prev1 = tokenType < 7 && prev1 == '\\' ? 1 : chr + ) { + chr = next1; + next1=text[++pos]; + multichar = token.length > 1; + + // checking if current token should be finalized + if (!chr || // end of content + // types 9-10 (single-line comments) end with a + // newline + (tokenType > 8 && chr == '\n') || + [ // finalize conditions for other token types + // 0: whitespaces + /\S/[test](chr), // merged together + // 1: operators + 1, // consist of a single character + // 2: braces + 1, // consist of a single character + // 3: (key)word + !/[$\w]/[test](chr), + // 4: regex + (prev1 == '/' || prev1 == '\n') && multichar, + // 5: string with " + prev1 == '"' && multichar, + // 6: string with ' + prev1 == "'" && multichar, + // 7: xml comment + text[pos-4]+prev2+prev1 == '-->', + // 8: multiline comment + prev2+prev1 == '*/' + ][tokenType] + ) { + // appending the token to the result + if (token) { + // remapping token type into style + // (some types are highlighted similarly) + el[appendChild]( + node = _document.createElement('span') + ).setAttribute('style', [ + // 0: not formatted + '', + // 1: keywords + textShadow + _0px_0px+9+pxColor + alpha * .7 + '),' + + _0px_0px+2+pxColor + alpha * .4 + brace, + // 2: punctuation + opacity + 6 + + textShadow + _0px_0px+7+pxColor + alpha / 4 + '),' + + _0px_0px+3+pxColor + alpha / 4 + brace, + // 3: strings and regexps + opacity + 7 + + textShadow + _3px_0px_5+pxColor + alpha / 5 + '),-' + + _3px_0px_5+pxColor + alpha / 5 + brace, + // 4: comments + 'font-style:italic;'+ + opacity + 5 + + textShadow + _3px_0px_5+pxColor + alpha / 4 + '),-' + + _3px_0px_5+pxColor + alpha / 4 + brace + ][ + // not formatted + !tokenType ? 0 : + // punctuation + tokenType < 3 ? 2 : + // comments + tokenType > 6 ? 4 : + // regex and strings + tokenType > 3 ? 3 : + // otherwise tokenType == 3, (key)word + // (1 if regexp matches, 0 otherwise) + + /^(a(bstract|lias|nd|rguments|rray|s(m|sert)?|uto)|b(ase|egin|ool(ean)?|reak|yte)|c(ase|atch|har|hecked|lass|lone|ompl|onst|ontinue)|de(bugger|cimal|clare|f(ault|er)?|init|l(egate|ete)?)|do|double|e(cho|ls?if|lse(if)?|nd|nsure|num|vent|x(cept|ec|p(licit|ort)|te(nds|nsion|rn)))|f(allthrough|alse|inal(ly)?|ixed|loat|or(each)?|riend|rom|unc(tion)?)|global|goto|guard|i(f|mp(lements|licit|ort)|n(it|clude(_once)?|line|out|stanceof|t(erface|ernal)?)?|s)|l(ambda|et|ock|ong)|m(icrolight|odule|utable)|NaN|n(amespace|ative|ext|ew|il|ot|ull)|o(bject|perator|r|ut|verride)|p(ackage|arams|rivate|rotected|rotocol|ublic)|r(aise|e(adonly|do|f|gister|peat|quire(_once)?|scue|strict|try|turn))|s(byte|ealed|elf|hort|igned|izeof|tatic|tring|truct|ubscript|uper|ynchronized|witch)|t(emplate|hen|his|hrows?|ransient|rue|ry|ype(alias|def|id|name|of))|u(n(checked|def(ined)?|ion|less|signed|til)|se|sing)|v(ar|irtual|oid|olatile)|w(char_t|hen|here|hile|ith)|xor|yield)$/[test](token) + ]); + + node[appendChild](_document.createTextNode(token)); + } + + // saving the previous token type + // (skipping whitespaces and comments) + lastTokenType = + (tokenType && tokenType < 7) ? + tokenType : lastTokenType; + + // initializing a new token + token = ''; + + // determining the new token type (going up the + // list until matching a token type start + // condition) + tokenType = 11; + while (![ + 1, // 0: whitespace + // 1: operator or braces + /[\/{}[(\-+*=<>:;|\\.,?!&@~]/[test](chr), + /[\])]/[test](chr), // 2: closing brace + /[$\w]/[test](chr), // 3: (key)word + chr == '/' && // 4: regex + // previous token was an + // opening brace or an + // operator (otherwise + // division, not a regex) + (lastTokenType < 2) && + // workaround for xml + // closing tags + prev1 != '<', + chr == '"', // 5: string with " + chr == "'", // 6: string with ' + // 7: xml comment + chr+next1+text[pos+1]+text[pos+2] == '