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Unescape XHTML entities in JSX literals (moved from parser) #1514

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Unescape XHTML entities in JSX literals (moved from parser) #1514

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274 changes: 273 additions & 1 deletion vendor/fbtransform/transforms/xjs.js
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Original file line number Diff line number Diff line change
Expand Up @@ -151,6 +151,262 @@ var knownTags = {
wbr: true
};

var XHTMLEntities = {
quot: '\u0022',
amp: '&',
apos: '\u0027',
lt: '<',
gt: '>',
nbsp: '\u00A0',
iexcl: '\u00A1',
cent: '\u00A2',
pound: '\u00A3',
curren: '\u00A4',
yen: '\u00A5',
brvbar: '\u00A6',
sect: '\u00A7',
uml: '\u00A8',
copy: '\u00A9',
ordf: '\u00AA',
laquo: '\u00AB',
not: '\u00AC',
shy: '\u00AD',
reg: '\u00AE',
macr: '\u00AF',
deg: '\u00B0',
plusmn: '\u00B1',
sup2: '\u00B2',
sup3: '\u00B3',
acute: '\u00B4',
micro: '\u00B5',
para: '\u00B6',
middot: '\u00B7',
cedil: '\u00B8',
sup1: '\u00B9',
ordm: '\u00BA',
raquo: '\u00BB',
frac14: '\u00BC',
frac12: '\u00BD',
frac34: '\u00BE',
iquest: '\u00BF',
Agrave: '\u00C0',
Aacute: '\u00C1',
Acirc: '\u00C2',
Atilde: '\u00C3',
Auml: '\u00C4',
Aring: '\u00C5',
AElig: '\u00C6',
Ccedil: '\u00C7',
Egrave: '\u00C8',
Eacute: '\u00C9',
Ecirc: '\u00CA',
Euml: '\u00CB',
Igrave: '\u00CC',
Iacute: '\u00CD',
Icirc: '\u00CE',
Iuml: '\u00CF',
ETH: '\u00D0',
Ntilde: '\u00D1',
Ograve: '\u00D2',
Oacute: '\u00D3',
Ocirc: '\u00D4',
Otilde: '\u00D5',
Ouml: '\u00D6',
times: '\u00D7',
Oslash: '\u00D8',
Ugrave: '\u00D9',
Uacute: '\u00DA',
Ucirc: '\u00DB',
Uuml: '\u00DC',
Yacute: '\u00DD',
THORN: '\u00DE',
szlig: '\u00DF',
agrave: '\u00E0',
aacute: '\u00E1',
acirc: '\u00E2',
atilde: '\u00E3',
auml: '\u00E4',
aring: '\u00E5',
aelig: '\u00E6',
ccedil: '\u00E7',
egrave: '\u00E8',
eacute: '\u00E9',
ecirc: '\u00EA',
euml: '\u00EB',
igrave: '\u00EC',
iacute: '\u00ED',
icirc: '\u00EE',
iuml: '\u00EF',
eth: '\u00F0',
ntilde: '\u00F1',
ograve: '\u00F2',
oacute: '\u00F3',
ocirc: '\u00F4',
otilde: '\u00F5',
ouml: '\u00F6',
divide: '\u00F7',
oslash: '\u00F8',
ugrave: '\u00F9',
uacute: '\u00FA',
ucirc: '\u00FB',
uuml: '\u00FC',
yacute: '\u00FD',
thorn: '\u00FE',
yuml: '\u00FF',
OElig: '\u0152',
oelig: '\u0153',
Scaron: '\u0160',
scaron: '\u0161',
Yuml: '\u0178',
fnof: '\u0192',
circ: '\u02C6',
tilde: '\u02DC',
Alpha: '\u0391',
Beta: '\u0392',
Gamma: '\u0393',
Delta: '\u0394',
Epsilon: '\u0395',
Zeta: '\u0396',
Eta: '\u0397',
Theta: '\u0398',
Iota: '\u0399',
Kappa: '\u039A',
Lambda: '\u039B',
Mu: '\u039C',
Nu: '\u039D',
Xi: '\u039E',
Omicron: '\u039F',
Pi: '\u03A0',
Rho: '\u03A1',
Sigma: '\u03A3',
Tau: '\u03A4',
Upsilon: '\u03A5',
Phi: '\u03A6',
Chi: '\u03A7',
Psi: '\u03A8',
Omega: '\u03A9',
alpha: '\u03B1',
beta: '\u03B2',
gamma: '\u03B3',
delta: '\u03B4',
epsilon: '\u03B5',
zeta: '\u03B6',
eta: '\u03B7',
theta: '\u03B8',
iota: '\u03B9',
kappa: '\u03BA',
lambda: '\u03BB',
mu: '\u03BC',
nu: '\u03BD',
xi: '\u03BE',
omicron: '\u03BF',
pi: '\u03C0',
rho: '\u03C1',
sigmaf: '\u03C2',
sigma: '\u03C3',
tau: '\u03C4',
upsilon: '\u03C5',
phi: '\u03C6',
chi: '\u03C7',
psi: '\u03C8',
omega: '\u03C9',
thetasym: '\u03D1',
upsih: '\u03D2',
piv: '\u03D6',
ensp: '\u2002',
emsp: '\u2003',
thinsp: '\u2009',
zwnj: '\u200C',
zwj: '\u200D',
lrm: '\u200E',
rlm: '\u200F',
ndash: '\u2013',
mdash: '\u2014',
lsquo: '\u2018',
rsquo: '\u2019',
sbquo: '\u201A',
ldquo: '\u201C',
rdquo: '\u201D',
bdquo: '\u201E',
dagger: '\u2020',
Dagger: '\u2021',
bull: '\u2022',
hellip: '\u2026',
permil: '\u2030',
prime: '\u2032',
Prime: '\u2033',
lsaquo: '\u2039',
rsaquo: '\u203A',
oline: '\u203E',
frasl: '\u2044',
euro: '\u20AC',
image: '\u2111',
weierp: '\u2118',
real: '\u211C',
trade: '\u2122',
alefsym: '\u2135',
larr: '\u2190',
uarr: '\u2191',
rarr: '\u2192',
darr: '\u2193',
harr: '\u2194',
crarr: '\u21B5',
lArr: '\u21D0',
uArr: '\u21D1',
rArr: '\u21D2',
dArr: '\u21D3',
hArr: '\u21D4',
forall: '\u2200',
part: '\u2202',
exist: '\u2203',
empty: '\u2205',
nabla: '\u2207',
isin: '\u2208',
notin: '\u2209',
ni: '\u220B',
prod: '\u220F',
sum: '\u2211',
minus: '\u2212',
lowast: '\u2217',
radic: '\u221A',
prop: '\u221D',
infin: '\u221E',
ang: '\u2220',
and: '\u2227',
or: '\u2228',
cap: '\u2229',
cup: '\u222A',
'int': '\u222B',
there4: '\u2234',
sim: '\u223C',
cong: '\u2245',
asymp: '\u2248',
ne: '\u2260',
equiv: '\u2261',
le: '\u2264',
ge: '\u2265',
sub: '\u2282',
sup: '\u2283',
nsub: '\u2284',
sube: '\u2286',
supe: '\u2287',
oplus: '\u2295',
otimes: '\u2297',
perp: '\u22A5',
sdot: '\u22C5',
lceil: '\u2308',
rceil: '\u2309',
lfloor: '\u230A',
rfloor: '\u230B',
lang: '\u2329',
rang: '\u232A',
loz: '\u25CA',
spades: '\u2660',
clubs: '\u2663',
hearts: '\u2665',
diams: '\u2666'
};

function renderXJSLiteral(object, isLast, state, start, end) {
var lines = object.value.split(/\r\n|\n|\r/);

Expand Down Expand Up @@ -188,7 +444,7 @@ function renderXJSLiteral(object, isLast, state, start, end) {

if (trimmedLine || isLastNonEmptyLine) {
utils.append(
JSON.stringify(trimmedLine) +
JSON.stringify(unescapeXHTMLEntities(trimmedLine)) +
(!isLastNonEmptyLine ? " + ' ' +" : ''),
state);

Expand Down Expand Up @@ -240,6 +496,22 @@ function quoteAttrName(attr) {
return attr;
}

function unescapeXHTMLEntities(html) {
// Assumes only well-formed entities from parser
return html.replace(/&([^;]{0,10});/g, function(ent, str) {
if (str.match(/^#x[0-9a-f]{1,2}$/i)) {
return String.fromCharCode(parseInt(str.substr(2), 16));
}
if (str.match(/^#[0-2]?[0-9]{1,2}$/i)) {
return String.fromCharCode(parseInt(str.substr(1), 10));
}
if (XHTMLEntities[str] !== undefined) {
return XHTMLEntities[str];
}
return ent;
});
}

function trimLeft(value) {
return value.replace(/^[ ]+/, '');
}
Expand Down