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Set parent and children #226

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Set parent and children #226

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61c5c54
set parent and children
JoviDeCroock Jul 5, 2022
b60c96e
guard
JoviDeCroock Jul 5, 2022
031c422
fix
JoviDeCroock Jul 5, 2022
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4 changes: 2 additions & 2 deletions package-lock.json
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42 changes: 36 additions & 6 deletions src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,9 @@ function markAsDirty() {
this.__d = true;
}

const MANGLED_PARENT = '__';
const MANGLED_CHILDREN = '__k';

/** Render Preact JSX + Components to an HTML string.
* @name render
* @function
Expand Down Expand Up @@ -58,7 +61,15 @@ function renderToString(vnode, context, opts) {
const previousSkipEffects = options.__s;
options.__s = true;

const res = _renderToString(vnode, context, opts);
const res = _renderToString(
vnode,
context,
opts,
undefined,
undefined,
undefined,
vnode
);

// options._commit, we don't schedule any effects in this library right now,
// so we can pass an empty queue to this hook.
Expand All @@ -69,7 +80,15 @@ function renderToString(vnode, context, opts) {
}

/** The default export is an alias of `render()`. */
function _renderToString(vnode, context, opts, inner, isSvgMode, selectValue) {
function _renderToString(
vnode,
context,
opts,
inner,
isSvgMode,
selectValue,
parent
) {
if (vnode == null || typeof vnode === 'boolean') {
return '';
}
Expand All @@ -85,14 +104,16 @@ function _renderToString(vnode, context, opts, inner, isSvgMode, selectValue) {
if (Array.isArray(vnode)) {
let rendered = '';
for (let i = 0; i < vnode.length; i++) {
if (typeof vnode[i] === 'object') vnode[i][MANGLED_PARENT] = parent;
if (pretty && i > 0) rendered += '\n';
rendered += _renderToString(
vnode[i],
context,
opts,
inner,
isSvgMode,
selectValue
selectValue,
parent
);
}
return rendered;
Expand All @@ -110,13 +131,15 @@ function _renderToString(vnode, context, opts, inner, isSvgMode, selectValue) {
} else if (nodeName === Fragment) {
const children = [];
getChildren(children, vnode.props.children);
parent[MANGLED_CHILDREN] = children;
return _renderToString(
children,
context,
opts,
opts.shallowHighOrder !== false,
isSvgMode,
selectValue
selectValue,
parent
);
} else {
let rendered;
Expand Down Expand Up @@ -220,13 +243,16 @@ function _renderToString(vnode, context, opts, inner, isSvgMode, selectValue) {
}

if (options.diffed) options.diffed(vnode);

vnode[MANGLED_CHILDREN] = rendered;
return _renderToString(
rendered,
context,
opts,
opts.shallowHighOrder !== false,
isSvgMode,
selectValue
selectValue,
vnode
);
}
}
Expand Down Expand Up @@ -355,13 +381,16 @@ function _renderToString(vnode, context, opts, inner, isSvgMode, selectValue) {
propChildren != null &&
getChildren((children = []), propChildren).length
) {
vnode[MANGLED_CHILDREN] = children;
let hasLarge = pretty && ~s.indexOf('\n');
let lastWasText = false;

for (let i = 0; i < children.length; i++) {
let child = children[i];

if (child != null && child !== false) {
if (typeof child === 'object') child[MANGLED_PARENT] = parent;

let childSvgMode =
nodeName === 'svg'
? true
Expand All @@ -374,7 +403,8 @@ function _renderToString(vnode, context, opts, inner, isSvgMode, selectValue) {
opts,
true,
childSvgMode,
selectValue
selectValue,
vnode
);

if (pretty && !hasLarge && isLargeString(ret)) hasLarge = true;
Expand Down