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Add mergeStyles plugin (#1381)

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This commit is contained in:
strarsis
2021-03-27 14:59:56 +01:00
committed by GitHub
parent d89d36eace
commit 19c77d2398
15 changed files with 301 additions and 6 deletions
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20
lib/css-tools.js
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@ -189,7 +189,10 @@ function csstreeToStyleDeclaration(declaration) {
* @return {string} CSS string or empty array if no styles are set
*/
function getCssStr(elem) {
if (elem.children[0].type === 'text' || elem.children[0].type === 'cdata') {
if (
elem.children.length > 0 &&
(elem.children[0].type === 'text' || elem.children[0].type === 'cdata')
) {
return elem.children[0].value;
}
return '';
@ -203,10 +206,19 @@ function getCssStr(elem) {
* @return {string} reference to field with CSS
*/
function setCssStr(elem, css) {
if (elem.children[0].type === 'text' || elem.children[0].type === 'cdata') {
elem.children[0].value = css;
return elem.children[0].value;
if (elem.children.length === 0) {
elem.children.push({
type: 'text',
value: '',
});
}
if (elem.children[0].type !== 'text' && elem.children[0].type !== 'cdata') {
return css;
}
elem.children[0].value = css;
return css;
}