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72fe9bb470
This commit renames "deno_core::InternalModuleLoader" to "ExtModuleLoader" and changes the specifiers used by the modules loaded from this loader to "ext:". "internal:" scheme was really ambiguous and it's more characters than "ext:", which should result in slightly smaller snapshot size. Closes https://github.com/denoland/deno/issues/18020
85 lines
2.6 KiB
TypeScript
85 lines
2.6 KiB
TypeScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.
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import { getStringWidth } from "ext:deno_node/internal/util/inspect.mjs";
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// The use of Unicode characters below is the only non-comment use of non-ASCII
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// Unicode characters in Node.js built-in modules. If they are ever removed or
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// rewritten with \u escapes, then a test will need to be (re-)added to Node.js
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// core to verify that Unicode characters work in built-ins.
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// Refs: https://github.com/nodejs/node/issues/10673
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const tableChars = {
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middleMiddle: "─",
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rowMiddle: "┼",
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topRight: "┐",
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topLeft: "┌",
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leftMiddle: "├",
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topMiddle: "┬",
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bottomRight: "┘",
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bottomLeft: "└",
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bottomMiddle: "┴",
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rightMiddle: "┤",
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left: "│ ",
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right: " │",
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middle: " │ ",
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};
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const renderRow = (row: string[], columnWidths: number[]) => {
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let out = tableChars.left;
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for (let i = 0; i < row.length; i++) {
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const cell = row[i];
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const len = getStringWidth(cell);
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const needed = (columnWidths[i] - len) / 2;
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// round(needed) + ceil(needed) will always add up to the amount
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// of spaces we need while also left justifying the output.
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out += " ".repeat(needed) + cell +
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" ".repeat(Math.ceil(needed));
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if (i !== row.length - 1) {
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out += tableChars.middle;
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}
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}
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out += tableChars.right;
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return out;
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};
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const table = (head: string[], columns: string[][]) => {
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const rows: string[][] = [];
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const columnWidths = head.map((h) => getStringWidth(h));
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const longestColumn = Math.max(...columns.map((a) => a.length));
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for (let i = 0; i < head.length; i++) {
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const column = columns[i];
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for (let j = 0; j < longestColumn; j++) {
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if (rows[j] === undefined) {
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rows[j] = [];
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}
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const value = rows[j][i] = Object.hasOwn(column, j) ? column[j] : "";
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const width = columnWidths[i] || 0;
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const counted = getStringWidth(value);
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columnWidths[i] = Math.max(width, counted);
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}
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}
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const divider = columnWidths.map((i) =>
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tableChars.middleMiddle.repeat(i + 2)
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);
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let result = tableChars.topLeft +
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divider.join(tableChars.topMiddle) +
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tableChars.topRight + "\n" +
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renderRow(head, columnWidths) + "\n" +
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tableChars.leftMiddle +
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divider.join(tableChars.rowMiddle) +
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tableChars.rightMiddle + "\n";
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for (const row of rows) {
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result += `${renderRow(row, columnWidths)}\n`;
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}
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result += tableChars.bottomLeft +
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divider.join(tableChars.bottomMiddle) +
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tableChars.bottomRight;
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return result;
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};
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export default table;
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