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fix: register default font and optimize isBrowser #166

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Merged
Aarebecca merged 1 commit into from
Jan 14, 2026
Merged

fix: register default font and optimize isBrowser #166

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12 changes: 3 additions & 9 deletions src/utils/is-browser.ts
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Original file line number Diff line number Diff line change
@@ -1,18 +1,14 @@
let _isBrowser: boolean | undefined;
let IS_BROWSER: true | undefined;

export function isBrowser(): boolean {
if (_isBrowser !== undefined) {
return _isBrowser;
}
if (IS_BROWSER) return true;

if (typeof window === 'undefined' || typeof document === 'undefined') {
_isBrowser = false;
return false;
}

const body = document.body;
if (!body) {
_isBrowser = false;
return false;
}

Expand Down Expand Up @@ -47,7 +43,6 @@ export function isBrowser(): boolean {
}

if (!hasRealLayout) {
_isBrowser = false;
return false;
}

Expand All @@ -59,7 +54,6 @@ export function isBrowser(): boolean {

const ctx = canvas.getContext('2d');
if (!ctx) {
_isBrowser = false;
return false;
}

Expand All @@ -74,6 +68,6 @@ export function isBrowser(): boolean {
hasRealCanvas = false;
}

_isBrowser = hasRealCanvas;
if (hasRealCanvas) IS_BROWSER = hasRealCanvas;
return hasRealCanvas;
}
5 changes: 1 addition & 4 deletions src/utils/measure-text.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -4,17 +4,14 @@ import { JSXNode, TextProps } from '../jsx';
import { DEFAULT_FONT } from '../renderer';
import { encodeFontFamily } from './font';
import { isBrowser } from './is-browser';
import { isNode } from './is-node';

let FONT_EXTEND_FACTOR = 1.01;

export const setFontExtendFactor = (factor: number) => {
FONT_EXTEND_FACTOR = factor;
};

if (isNode) {
registerFont(AlibabaPuHuiTi);
}
registerFont(AlibabaPuHuiTi);

let canvasContext: CanvasRenderingContext2D | null = null;
let measureSpan: HTMLSpanElement | null = null;
Expand Down