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Add: multi-line string syntax

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eight 2017-10-09 02:45:26 +08:00
parent 4115705d8f
commit 3906060aef
1 changed files with 17 additions and 5 deletions
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22
js/usercss.js
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@ -263,7 +263,10 @@ var usercss = (function () {
function parseString(state) {
const match = state.text.slice(state.re.lastIndex).match(
/^((['"])(?:\\\2|[^\n])*?\2|\w+)\s*/);
state.text[state.re.lastIndex] === '`' ?
/^(`(?:\\`|[\s\S])*?`)\s*/ :
/^((['"])(?:\\\2|[^\n])*?\2|\w+)\s*/
);
state.re.lastIndex += match[0].length;
state.value = unquote(match[1]);
}
@ -318,7 +321,7 @@ var usercss = (function () {
state.re.lastIndex++;
eatWhitespace(state);
state.value = arr;
} else if (state.text[state.re.lastIndex] === '"') {
} else if (state.text[state.re.lastIndex] === '"' || state.text[state.re.lastIndex] === '`') {
// string
parseString(state);
} else if (/\d/.test(state.text[state.re.lastIndex])) {
@ -354,9 +357,18 @@ var usercss = (function () {
}
function unquote(s) {
const match = s.match(/^(['"])(.*)\1$/);
if (match) {
return match[2];
const q = s[0];
if (q === s[s.length - 1] && /['"`]/.test(q)) {
// http://www.json.org/
return s.slice(1, -1).replace(
new RegExp(`\\\\([${q}\\\\/bfnrt]|u[0-9a-fA-F]{4})`, 'g'),
s => {
if (s[1] === q) {
return q;
}
return JSON.parse(`"${s}"`);
}
);
}
return s;
}