GoScrobble/web/node_modules/jss-plugin-camel-case/dist/jss-plugin-camel-case.bundle.js

81 lines
1.8 KiB
JavaScript

/* eslint-disable no-var, prefer-template */
var uppercasePattern = /[A-Z]/g;
var msPattern = /^ms-/;
var cache = {};
function toHyphenLower(match) {
return '-' + match.toLowerCase()
}
function hyphenateStyleName(name) {
if (cache.hasOwnProperty(name)) {
return cache[name]
}
var hName = name.replace(uppercasePattern, toHyphenLower);
return (cache[name] = msPattern.test(hName) ? '-' + hName : hName)
}
/**
* Convert camel cased property names to dash separated.
*
* @param {Object} style
* @return {Object}
*/
function convertCase(style) {
var converted = {};
for (var prop in style) {
var key = prop.indexOf('--') === 0 ? prop : hyphenateStyleName(prop);
converted[key] = style[prop];
}
if (style.fallbacks) {
if (Array.isArray(style.fallbacks)) converted.fallbacks = style.fallbacks.map(convertCase);else converted.fallbacks = convertCase(style.fallbacks);
}
return converted;
}
/**
* Allow camel cased property names by converting them back to dasherized.
*
* @param {Rule} rule
*/
function camelCase() {
function onProcessStyle(style) {
if (Array.isArray(style)) {
// Handle rules like @font-face, which can have multiple styles in an array
for (var index = 0; index < style.length; index++) {
style[index] = convertCase(style[index]);
}
return style;
}
return convertCase(style);
}
function onChangeValue(value, prop, rule) {
if (prop.indexOf('--') === 0) {
return value;
}
var hyphenatedProp = hyphenateStyleName(prop); // There was no camel case in place
if (prop === hyphenatedProp) return value;
rule.prop(hyphenatedProp, value); // Core will ignore that property value we set the proper one above.
return null;
}
return {
onProcessStyle: onProcessStyle,
onChangeValue: onChangeValue
};
}
export default camelCase;