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87 lines
2.2 KiB
87 lines
2.2 KiB
2 years ago
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import { vnode } from "./vnode";
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import * as is from "./is";
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export function addNS(data, children, sel) {
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data.ns = "http://www.w3.org/2000/svg";
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if (sel !== "foreignObject" && children !== undefined) {
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for (let i = 0; i < children.length; ++i) {
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const child = children[i];
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if (typeof child === "string")
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continue;
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const childData = child.data;
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if (childData !== undefined) {
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addNS(childData, child.children, child.sel);
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}
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}
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}
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}
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export function h(sel, b, c) {
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let data = {};
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let children;
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let text;
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let i;
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if (c !== undefined) {
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if (b !== null) {
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data = b;
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}
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if (is.array(c)) {
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children = c;
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}
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else if (is.primitive(c)) {
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text = c.toString();
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}
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else if (c && c.sel) {
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children = [c];
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}
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}
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else if (b !== undefined && b !== null) {
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if (is.array(b)) {
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children = b;
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}
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else if (is.primitive(b)) {
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text = b.toString();
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}
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else if (b && b.sel) {
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children = [b];
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}
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else {
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data = b;
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}
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}
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if (children !== undefined) {
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for (i = 0; i < children.length; ++i) {
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if (is.primitive(children[i]))
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children[i] = vnode(undefined, undefined, undefined, children[i], undefined);
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}
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}
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if (sel[0] === "s" &&
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sel[1] === "v" &&
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sel[2] === "g" &&
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(sel.length === 3 || sel[3] === "." || sel[3] === "#")) {
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addNS(data, children, sel);
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}
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return vnode(sel, data, children, text, undefined);
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}
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/**
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* @experimental
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*/
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export function fragment(children) {
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let c;
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let text;
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if (is.array(children)) {
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c = children;
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}
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else if (is.primitive(c)) {
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text = children;
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}
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else if (c && c.sel) {
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c = [children];
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}
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if (c !== undefined) {
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for (let i = 0; i < c.length; ++i) {
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if (is.primitive(c[i]))
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c[i] = vnode(undefined, undefined, undefined, c[i], undefined);
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}
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}
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return vnode(undefined, {}, c, text, undefined);
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}
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//# sourceMappingURL=h.js.map
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