99 lines
2.5 KiB
JavaScript
99 lines
2.5 KiB
JavaScript
"use strict";
|
|
|
|
const raw = require("jest-snapshot-serializer-raw").wrap;
|
|
const visualizeRange = require("./visualize-range");
|
|
const visualizeEndOfLine = require("./visualize-end-of-line");
|
|
|
|
const SEPARATOR_WIDTH = 80;
|
|
function printSeparator(description = "") {
|
|
const leftLength = Math.floor((SEPARATOR_WIDTH - description.length) / 2);
|
|
const rightLength = SEPARATOR_WIDTH - leftLength - description.length;
|
|
return "=".repeat(leftLength) + description + "=".repeat(rightLength);
|
|
}
|
|
|
|
function stringify(value) {
|
|
return value === Number.POSITIVE_INFINITY
|
|
? "Infinity"
|
|
: Array.isArray(value)
|
|
? `[${value.map((v) => JSON.stringify(v)).join(", ")}]`
|
|
: JSON.stringify(value);
|
|
}
|
|
|
|
function printOptions(options) {
|
|
const {
|
|
plugins,
|
|
filepath,
|
|
errors,
|
|
parser,
|
|
|
|
...snapshotOptions
|
|
} = options;
|
|
|
|
const keys = Object.keys(snapshotOptions).sort();
|
|
return keys
|
|
.map((key) => `${key}: ${stringify(snapshotOptions[key])}`)
|
|
.join("\n");
|
|
}
|
|
|
|
function printWidthIndicator(printWidth, offset) {
|
|
if (!Number.isFinite(printWidth) || printWidth < 1) {
|
|
return "";
|
|
}
|
|
|
|
let before = "";
|
|
if (offset) {
|
|
before = " ".repeat(offset - 1) + "|";
|
|
}
|
|
|
|
return `${before}${" ".repeat(printWidth)}| printWidth`;
|
|
}
|
|
|
|
function createSnapshot(
|
|
formatResult,
|
|
{ parsers, formatOptions, CURSOR_PLACEHOLDER }
|
|
) {
|
|
let {
|
|
inputWithCursor: input,
|
|
outputWithCursor: output,
|
|
options,
|
|
} = formatResult;
|
|
let { rangeStart, rangeEnd, cursorOffset, printWidth } = options;
|
|
|
|
let codeOffset = 0;
|
|
if (typeof rangeStart === "number" || typeof rangeEnd === "number") {
|
|
if (typeof cursorOffset === "number") {
|
|
if (typeof rangeStart === "number" && rangeStart > cursorOffset) {
|
|
rangeStart += CURSOR_PLACEHOLDER.length;
|
|
}
|
|
if (typeof rangeEnd === "number" && rangeEnd > cursorOffset) {
|
|
rangeEnd += CURSOR_PLACEHOLDER.length;
|
|
}
|
|
}
|
|
|
|
input = visualizeRange(input, { rangeStart, rangeEnd });
|
|
codeOffset = input.match(/^>?\s+1 \|/)[0].length + 1;
|
|
}
|
|
|
|
if ("endOfLine" in formatOptions) {
|
|
input = visualizeEndOfLine(input);
|
|
output = visualizeEndOfLine(output);
|
|
}
|
|
|
|
const widthIndicator = printWidthIndicator(printWidth, codeOffset);
|
|
|
|
return raw(
|
|
[
|
|
printSeparator("options"),
|
|
printOptions({ ...options, parsers }),
|
|
...(widthIndicator ? [widthIndicator] : []),
|
|
printSeparator("input"),
|
|
input,
|
|
printSeparator("output"),
|
|
output,
|
|
printSeparator(),
|
|
].join("\n")
|
|
);
|
|
}
|
|
|
|
module.exports = createSnapshot;
|