hello, world!
Apr 25, 2017 23:48 · 890 words · 5 minutes read
I’m back!
And just trying to get my code highlighting done properly…
import remark from 'remark'
import html from 'remark-html'
import visit from 'unist-util-visit'
import u from 'unist-builder'
import jetpack from 'fs-jetpack'
import debug from 'debug'
import fmt from 'fmt-obj'
import {truncValues, none} from './utils'
import reporter from 'vfile-reporter'
import CodeStore from './CodeStore'
import LoveNotes from './LoveNotes'
const fs = jetpack
const log = debug('love-notes:log')
const err = debug('love-notes:err')
function process(fptr) {
log('fptr:', fptr)
const contents = fs.read(fptr)
const store = new CodeStore()
const ast = remark().parse(contents)
visit(ast, 'code', node => {
node.data = node.data || {}
if(none(node.data.process) || !!node.data.process) {
// that's some bad ~hat~ side-effect, harry :\
node = store.addNode(node)
}
})
log('virtual files created:', store.codefiles.length)
return store
}
function create(files, outdir) {
log('files:\n%O', files)
const pen = fs.cwd(outdir)
files.forEach(file => {
pen.write(file.name, file.source)
})
log('files created:\n%O', pen.list().map(f => `${pen.cwd()}/${f}`))
}
function tangle(fptr, outdir = './docs') {
log('outdir:', outdir)
const store = process(fptr)
const filenames = store.filenames
log('filenames: %O', filenames)
const files = filenames.map(file => {
return {source: store.generateSource(file), name: file}
})
create(files, outdir)
return files
}
function weave(fptr, outdir = `./docs`, optr) {
const contents = fs.read(fptr)
const filename = optr || /\/?(\S+)\.\S+$/.exec(fptr)[1] + '.html'
remark().use(weaver).use(html).process(contents, function (err, file) {
const pen = fs.cwd(outdir)
pen.write(filename, file.contents)
log(`created file ${pen.cwd()}/${filename}`)
});
}
function weaver() {
function transformer(ast, file) {
var insertions = []
visit(ast,'code', (node, index, parent) => {
const {lang} = node
const dq = node.data || {}
const cmdstr = lang.split(' ')
if(cmdstr.length >= 2 && cmdstr[1] === '<3') {
node.lang = cmdstr[0]
dq.process = false
let htmlsrc = node.value
if(node.lang === 'js') {
htmlsrc = `<script>${node.value}</script>`
}
const htmlNode = u('html', {value: htmlsrc})
insertions.push({node, index, parent, htmlNode})
}
node.data = data
})
insertions.forEach((insert, idx) => {
insert.parent.children.splice(insert.index + (idx+1), 0, insert.htmlNode)
})
}
return transformer
}
export default { tangle, process, weave, create }
<!DOCTYPE html>
<html>
<body>
<img src="w3schools.jpg" alt="W3Schools.com" width="104" height="142">
</body>
</html>
code[class*="language-"],
pre[class*="language-"] {
color: #f8f8f2;
background: none;
text-shadow: 0 1px rgba(0, 0, 0, 0.3);
font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
text-align: left;
white-space: pre;
word-spacing: normal;
word-break: normal;
word-wrap: normal;
line-height: 1.5;
-moz-tab-size: 4;
-o-tab-size: 4;
tab-size: 4;
-webkit-hyphens: none;
-moz-hyphens: none;
-ms-hyphens: none;
hyphens: none;
}
/* Code blocks */
pre[class*="language-"] {
padding: 1em;
margin: .5em 0;
overflow: auto;
border-radius: 0.3em;
}
:not(pre) > code[class*="language-"],
pre[class*="language-"] {
background: #3B4251;
}
/* Inline code */
:not(pre) > code[class*="language-"] {
padding: .1em;
border-radius: .3em;
white-space: normal;
}
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
color: #4C5669;
}
.token.punctuation {
color: #D8DEE9;
}
.namespace {
opacity: .7;
}
.token.property,
.token.tag,
.token.constant,
.token.symbol,
.token.deleted {
color: #f92672;
}
.token.boolean,
.token.number {
color: #ae81ff;
}
.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
color: #a6e22e;
}
.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string,
.token.variable {
color: #f8f8f2;
}
.token.atrule,
.token.attr-value,
.token.function {
color: #e6db74;
}
.token.keyword {
color: #66d9ef;
}
.token.regex,
.token.important {
color: #fd971f;
}
.token.important,
.token.bold {
font-weight: bold;
}
.token.italic {
font-style: italic;
}
.token.entity {
cursor: help;
}
pre[data-line] {
position: relative;
padding: 1em 0 1em 3em;
}
.line-highlight {
position: absolute;
left: 0;
right: 0;
padding: inherit 0;
margin-top: 1em; /* Same as .prism’s padding-top */
background: hsla(24, 20%, 50%,.08);
background: linear-gradient(to right, hsla(24, 20%, 50%,.1) 70%, hsla(24, 20%, 50%,0));
pointer-events: none;
line-height: inherit;
white-space: pre;
}
.line-highlight:before,
.line-highlight[data-end]:after {
content: attr(data-start);
position: absolute;
top: .4em;
left: .6em;
min-width: 1em;
padding: 0 .5em;
background-color: hsla(24, 20%, 50%,.4);
color: hsl(24, 20%, 95%);
font: bold 65%/1.5 sans-serif;
text-align: center;
vertical-align: .3em;
border-radius: 999px;
text-shadow: none;
box-shadow: 0 1px white;
}
.line-highlight[data-end]:after {
content: attr(data-end);
top: auto;
bottom: .4em;
}
pre.line-numbers {
position: relative;
padding-left: 3.8em;
counter-reset: linenumber;
}
pre.line-numbers > code {
position: relative;
}
.line-numbers .line-numbers-rows {
position: absolute;
pointer-events: none;
top: 0;
font-size: 100%;
left: -3.8em;
width: 3em; /* works for line-numbers below 1000 lines */
letter-spacing: -1px;
border-right: 1px solid #999;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.line-numbers-rows > span {
pointer-events: none;
display: block;
counter-increment: linenumber;
}
.line-numbers-rows > span:before {
content: counter(linenumber);
color: #999;
display: block;
padding-right: 0.8em;
text-align: right;
}
pre.code-toolbar {
position: relative;
}
pre.code-toolbar > .toolbar {
position: absolute;
top: .3em;
right: .2em;
transition: opacity 0.3s ease-in-out;
opacity: 0;
}
pre.code-toolbar:hover > .toolbar {
opacity: 1;
}
pre.code-toolbar > .toolbar .toolbar-item {
display: inline-block;
}
pre.code-toolbar > .toolbar a {
cursor: pointer;
}
pre.code-toolbar > .toolbar button {
background: none;
border: 0;
color: inherit;
font: inherit;
line-height: normal;
overflow: visible;
padding: 0;
-webkit-user-select: none; /* for button */
-moz-user-select: none;
-ms-user-select: none;
}
pre.code-toolbar > .toolbar a,
pre.code-toolbar > .toolbar button,
pre.code-toolbar > .toolbar span {
color: #bbb;
font-size: .8em;
padding: 0 .5em;
background: #f5f2f0;
background: rgba(224, 224, 224, 0.2);
box-shadow: 0 2px 0 0 rgba(0,0,0,0.2);
border-radius: .5em;
}
pre.code-toolbar > .toolbar a:hover,
pre.code-toolbar > .toolbar a:focus,
pre.code-toolbar > .toolbar button:hover,
pre.code-toolbar > .toolbar button:focus,
pre.code-toolbar > .toolbar span:hover,
pre.code-toolbar > .toolbar span:focus {
color: inherit;
text-decoration: none;
}
.command-line-prompt {
border-right: 1px solid #999;
display: block;
float: left;
font-size: 100%;
letter-spacing: -1px;
margin-right: 1em;
pointer-events: none;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.command-line-prompt > span:before {
color: #999;
content: ' ';
display: block;
padding-right: 0.8em;
}
.command-line-prompt > span[data-user]:before {
content: "[" attr(data-user) "@" attr(data-host) "] $";
}
.command-line-prompt > span[data-user="root"]:before {
content: "[" attr(data-user) "@" attr(data-host) "] #";
}
.command-line-prompt > span[data-prompt]:before {
content: attr(data-prompt);
}