77 lines
2.5 KiB
JavaScript
77 lines
2.5 KiB
JavaScript
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import { Platform, UnavailabilityError } from '@unimodules/core';
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import invariant from 'invariant';
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import { Dimensions } from 'react-native';
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function getBasePath({ httpServerLocation }) {
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if (httpServerLocation[0] === '/') {
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return httpServerLocation.substr(1);
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}
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return httpServerLocation;
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}
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function getScale() {
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return Dimensions.get('window').scale;
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}
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function getScaledAssetPath(asset) {
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const scale = AssetSourceResolver.pickScale(asset.scales, getScale());
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const scaleSuffix = scale === 1 ? '' : '@' + scale + 'x';
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const assetDir = getBasePath(asset);
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return assetDir + '/' + asset.name + scaleSuffix + '.' + asset.type;
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}
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export default class AssetSourceResolver {
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constructor(serverUrl, jsbundleUrl, asset) {
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this.serverUrl = serverUrl;
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this.jsbundleUrl = jsbundleUrl;
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this.asset = asset;
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}
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isLoadedFromServer() {
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return !!this.serverUrl;
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}
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isLoadedFromFileSystem() {
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return !!(this.jsbundleUrl && this.jsbundleUrl.startsWith('file://'));
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}
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defaultAsset() {
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if (this.isLoadedFromServer()) {
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return this.assetServerURL();
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}
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return this.scaledAssetURLNearBundle();
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}
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assetServerURL() {
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invariant(!!this.serverUrl, 'need server to load from');
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return this.fromSource(this.serverUrl +
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getScaledAssetPath(this.asset) +
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'?platform=' +
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Platform.OS +
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'&hash=' +
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this.asset.hash);
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}
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scaledAssetPath() {
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return this.fromSource(getScaledAssetPath(this.asset));
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}
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scaledAssetURLNearBundle() {
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const path = this.jsbundleUrl || 'file://';
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return this.fromSource(path + getScaledAssetPath(this.asset));
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}
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resourceIdentifierWithoutScale() {
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throw new UnavailabilityError('react-native', 'resourceIdentifierWithoutScale()');
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}
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drawableFolderInBundle() {
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throw new UnavailabilityError('react-native', 'drawableFolderInBundle()');
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}
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fromSource(source) {
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return {
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__packager_asset: true,
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width: this.asset.width,
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height: this.asset.height,
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uri: source,
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scale: AssetSourceResolver.pickScale(this.asset.scales, getScale()),
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};
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}
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static pickScale(scales, deviceScale) {
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for (let i = 0; i < scales.length; i++) {
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if (scales[i] >= deviceScale) {
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return scales[i];
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}
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}
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return scales[scales.length - 1] || 1;
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}
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}
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//# sourceMappingURL=AssetSourceResolver.web.js.map
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