46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
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const { GraphQLString } = require('graphql');
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const fs = require('fs-extra');
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const path = require('path');
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module.exports = ({ type, getNodeAndSavePathDependency, pathPrefix = '' }) => {
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if (type.name !== 'File') {
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return {};
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}
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return {
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publicURL: {
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type: GraphQLString,
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args: {},
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description: 'Copy file to static directory and return public url to it',
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resolve: (file, fieldArgs, context) => {
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const details = getNodeAndSavePathDependency(file.id, context.path);
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const fileName = `${file.name}-${file.internal.contentDigest}${
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details.ext
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}`;
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const publicPath = path.join(
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process.cwd(),
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'public',
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'static',
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fileName
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);
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if (!fs.existsSync(publicPath)) {
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fs.copy(details.absolutePath, publicPath, err => {
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if (err) {
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console.error(
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`error copying file from ${
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details.absolutePath
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} to ${publicPath}`,
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err
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);
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}
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});
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}
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return `${pathPrefix}/static/${fileName}`;
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}
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}
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};
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};
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