78 lines
2.5 KiB
JavaScript
78 lines
2.5 KiB
JavaScript
/**
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* @import { Config } from "@lit/localize-tools/lib/types/config.js"
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* @import { TransformOutputConfig } from "@lit/localize-tools/lib/types/modes.js"
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* @import { Locale } from "@lit/localize-tools/lib/types/locale.js"
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* @import { ProgramMessage } from "@lit/localize-tools/lib/messages.js"
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* @import { Message } from "@lit/localize-tools/lib/messages.js"
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*
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* @typedef {Config & { output: TransformOutputConfig; }} TransformerConfig
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*/
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import * as path from "node:path";
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import { fileURLToPath } from "node:url";
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import pseudolocale from "pseudolocale";
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import { makeFormatter } from "@lit/localize-tools/lib/formatters/index.js";
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import { sortProgramMessages } from "@lit/localize-tools/lib/messages.js";
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import { TransformLitLocalizer } from "@lit/localize-tools/lib/modes/transform.js";
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const __dirname = fileURLToPath(new URL(".", import.meta.url));
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const pseudoLocale = /** @type {Locale} */ ("pseudo-LOCALE");
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const targetLocales = [pseudoLocale];
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const baseConfig = await import("../lit-localize.json", {
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with: {
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type: "json",
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},
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})
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.then((module) => {
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return /** @type {Config} */ (module.default);
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})
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.catch((error) => {
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console.error("Failed to load lit-localize.json", error);
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process.exit(1);
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});
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// Need to make some internal specifications to satisfy the transformer. It doesn't actually matter
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// which Localizer we use (transformer or runtime), because all of the functionality we care about
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// is in their common parent class, but I had to pick one. Everything else here is just pure
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// exploitation of the lit/localize-tools internals.
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/**
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* @type {TransformerConfig}
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*/
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const config = {
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...baseConfig,
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baseDir: path.join(__dirname, ".."),
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targetLocales,
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output: {
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...baseConfig.output,
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mode: "transform",
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},
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resolve: (filePath) => filePath,
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};
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/**
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* @param {ProgramMessage} message
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* @returns {Message}
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*/
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function pseudoMessagify({ name, contents }) {
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return {
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name,
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contents: contents.map((content) =>
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typeof content === "string"
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? pseudolocale(content, { prepend: "", append: "" })
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: content,
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),
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};
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}
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const localizer = new TransformLitLocalizer(config);
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const { messages } = localizer.extractSourceMessages();
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const translations = messages.map(pseudoMessagify);
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const sorted = sortProgramMessages([...messages]);
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const formatter = makeFormatter(config);
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formatter.writeOutput(sorted, new Map([[pseudoLocale, translations]]));
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