32 lines
1.4 KiB
JavaScript
32 lines
1.4 KiB
JavaScript
// Inject intl statements into a Svelte v2 HTML file as well as some JS files like timeago.js
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// We do this for perf reasons, to make the output smaller and avoid needing to have a huge JSON file of translations
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import parse from 'format-message-parse'
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import { getIntl, warningOrError, trimWhitespace } from '../bin/getIntl.js'
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export default function (source) {
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const res = source
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// replace {@intl.foo}
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.replace(/{intl\.([^}]+)}/g, (match, p1) => trimWhitespace(getIntl(p1)))
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// replace {@html intl.foo}
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.replace(/{@html intl\.([^}]+)}/g, (match, p1) => {
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const html = trimWhitespace(getIntl(p1))
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return `{@html ${JSON.stringify(html)}}`
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})
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// replace formatIntl('intl.foo' which requires the full AST object
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.replace(/formatIntl\('intl\.([^']+)'/g, (match, p1) => {
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const text = trimWhitespace(getIntl(p1))
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const ast = parse(text)
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return `formatIntl(${JSON.stringify(ast)}`
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})
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// replace 'intl.foo', which doesn't require the AST, just the string
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.replace(/'intl\.([^']+)'/g, (match, p1) => {
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const text = trimWhitespace(getIntl(p1))
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return JSON.stringify(text)
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})
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const match = res.match(/[^(][^']intl\.([\w.]+)/) || res.match(/formatIntl\('([\w.]+)/)
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if (match && match[1] !== 'js') { // don't warn on `import { formatIntl } from 'intl.js'`
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return warningOrError('You probably made a typo with an intl string: ' + match[1])
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}
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return res
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}
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