my-idlers/node_modules/css-tree/lib/syntax/config/mix.js
cp6 fd22b0bf58 V2 (Laravel re-make)
V2 (Laravel re-make)
2022-03-06 02:02:12 +11:00

141 lines
3.7 KiB
JavaScript
Vendored

const hasOwnProperty = Object.prototype.hasOwnProperty;
const shape = {
generic: true,
types: appendOrAssign,
atrules: {
prelude: appendOrAssignOrNull,
descriptors: appendOrAssignOrNull
},
properties: appendOrAssign,
parseContext: assign,
scope: deepAssign,
atrule: ['parse'],
pseudo: ['parse'],
node: ['name', 'structure', 'parse', 'generate', 'walkContext']
};
function isObject(value) {
return value && value.constructor === Object;
}
function copy(value) {
return isObject(value)
? Object.assign({}, value)
: value;
}
function assign(dest, src) {
return Object.assign(dest, src);
}
function deepAssign(dest, src) {
for (const key in src) {
if (hasOwnProperty.call(src, key)) {
if (isObject(dest[key])) {
deepAssign(dest[key], copy(src[key]));
} else {
dest[key] = copy(src[key]);
}
}
}
return dest;
}
function append(a, b) {
if (typeof b === 'string' && /^\s*\|/.test(b)) {
return typeof a === 'string'
? a + b
: b.replace(/^\s*\|\s*/, '');
}
return b || null;
}
function appendOrAssign(a, b) {
if (typeof b === 'string') {
return append(a, b);
}
const result = Object.assign({}, a);
for (let key in b) {
if (hasOwnProperty.call(b, key)) {
result[key] = append(hasOwnProperty.call(a, key) ? a[key] : undefined, b[key]);
}
}
return result;
}
function appendOrAssignOrNull(a, b) {
const result = appendOrAssign(a, b);
return !isObject(result) || Object.keys(result).length
? result
: null;
}
function mix(dest, src, shape) {
for (const key in shape) {
if (hasOwnProperty.call(shape, key) === false) {
continue;
}
if (shape[key] === true) {
if (key in src) {
if (hasOwnProperty.call(src, key)) {
dest[key] = copy(src[key]);
}
}
} else if (shape[key]) {
if (typeof shape[key] === 'function') {
const fn = shape[key];
dest[key] = fn({}, dest[key]);
dest[key] = fn(dest[key] || {}, src[key]);
} else if (isObject(shape[key])) {
const result = {};
for (let name in dest[key]) {
result[name] = mix({}, dest[key][name], shape[key]);
}
for (let name in src[key]) {
result[name] = mix(result[name] || {}, src[key][name], shape[key]);
}
dest[key] = result;
} else if (Array.isArray(shape[key])) {
const res = {};
const innerShape = shape[key].reduce(function(s, k) {
s[k] = true;
return s;
}, {});
for (const [name, value] of Object.entries(dest[key] || {})) {
res[name] = {};
if (value) {
mix(res[name], value, innerShape);
}
}
for (const name in src[key]) {
if (hasOwnProperty.call(src[key], name)) {
if (!res[name]) {
res[name] = {};
}
if (src[key] && src[key][name]) {
mix(res[name], src[key][name], innerShape);
}
}
}
dest[key] = res;
}
}
}
return dest;
}
module.exports = (dest, src) => mix(dest, src, shape);