80 lines
1.8 KiB
JavaScript
80 lines
1.8 KiB
JavaScript
function formatMarkdown(
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input,
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output,
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output2,
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version,
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url,
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options,
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cliOptions,
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full
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) {
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const syntax = getMarkdownSyntax(options);
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const optionsString = formatCLIOptions(cliOptions);
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const isIdempotent = output2 === "" || output === output2;
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return [
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`**Prettier ${version}**`,
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`[Playground link](${url})`,
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optionsString === "" ? null : codeBlock(optionsString, "sh"),
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"",
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"**Input:**",
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codeBlock(input, syntax),
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"",
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"**Output:**",
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codeBlock(output, syntax)
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]
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.concat(
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isIdempotent ? [] : ["", "**Second Output:**", codeBlock(output2, syntax)]
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)
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.concat(full ? ["", "**Expected behavior:**", ""] : [])
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.filter(part => {
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return part != null;
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})
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.join("\n");
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}
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function getMarkdownSyntax(options) {
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switch (options.parser) {
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case "babel":
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case "babylon": // backward compatibility
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case "babel-flow":
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case "flow":
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return "jsx";
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case "typescript":
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return "tsx";
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case "json":
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case "json-stringify":
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return "jsonc";
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case "glimmer":
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return "hbs";
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case "angular":
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case "lwc":
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return "html";
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default:
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return options.parser;
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}
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}
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function formatCLIOptions(cliOptions) {
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return cliOptions
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.map(option => {
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const name = option[0];
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const value = option[1];
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return value === true ? name : `${name} ${value}`;
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})
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.join("\n");
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}
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function codeBlock(content, syntax) {
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const backtickSequences = content.match(/`+/g) || [];
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const longestBacktickSequenceLength = Math.max.apply(
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null,
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backtickSequences.map(backticks => backticks.length)
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);
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const fenceLength = Math.max(3, longestBacktickSequenceLength + 1);
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const fence = Array(fenceLength + 1).join("`");
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return [fence + (syntax || ""), content, fence].join("\n");
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}
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module.exports = formatMarkdown;
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