Current File : /home/exataengenharia/public_html/node_modules/stylehacks/src/plugins/leadingStar.js |
'use strict';
const BasePlugin = require('../plugin');
const { IE_5_5, IE_6, IE_7 } = require('../dictionary/browsers');
const { PROPERTY } = require('../dictionary/identifiers');
const { ATRULE, DECL } = require('../dictionary/postcss');
const hacks = '!_$_&_*_)_=_%_+_,_._/_`_]_#_~_?_:_|'.split('_');
module.exports = class LeadingStar extends BasePlugin {
/** @param {import('postcss').Result=} result */
constructor(result) {
super([IE_5_5, IE_6, IE_7], [ATRULE, DECL], result);
}
/**
* @param {import('postcss').Declaration | import('postcss').AtRule} node
* @return {void}
*/
detect(node) {
if (node.type === DECL) {
// some values are not picked up by before, so ensure they are
// at the beginning of the value
hacks.forEach((hack) => {
if (!node.prop.indexOf(hack)) {
this.push(node, {
identifier: PROPERTY,
hack: node.prop,
});
}
});
const { before } = node.raws;
if (!before) {
return;
}
hacks.forEach((hack) => {
if (before.includes(hack)) {
this.push(node, {
identifier: PROPERTY,
hack: `${before.trim()}${node.prop}`,
});
}
});
} else {
// test for the @property: value; hack
const { name } = node;
const len = name.length - 1;
if (name.lastIndexOf(':') === len) {
this.push(node, {
identifier: PROPERTY,
hack: `@${name.substr(0, len)}`,
});
}
}
}
};