Output strings with the minimum amount of escaped quotes (#390)
* Add tests for quotes * Update test snapshots * Output strings with the minimum amount of escaped quotes * Update test snapshots * Move tests/prettier/quotes.js into tests/quotes/strings.js * Update test snapshots
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Simon Lydell authored and Christopher Chedeau committed
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@@ -29,95 +29,259 @@ function b(object, key) {
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`;
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exports[`test strings.js 1`] = `
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"\"abc\"
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"// Every string will be changed to double quotes, unless we end up with fewer
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// escaped quotes by using single quotes. (Vice versa if the \"singleQuote\"
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// option is true).
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//
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// Note that even if a string already has the correct enclosing quotes, it is
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// still processed in order to remove unnecessarily escaped quotes within it,
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// for consistency.
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// Simple strings.
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\"abc\"
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\'abc\'
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// Escape.
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\'\\0\'
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// Emoji.
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\'🐶\'
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// Empty string.
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\"\"
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\'\'
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// Single double quote.
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\"\\\"\"
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\'\"\'
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// Single single quote.
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\"\'\"
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\'\\\'\'
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\'\"\'
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\'\\\"\'
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\'\\\\\"\'
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\"\'\"
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// Unnecessary escapes.
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\"\\\'\"
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\"\\\\\'\"
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\'\\\"\'
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\"\'\\\"\"
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\'\\\'\"\'
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// One of each.
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\"\\\"\'\"
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\'\"\\\'\'
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// One of each with unnecessary escapes.
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\"\\\"\\\'\"
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\'\\\"\\\'\'
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// More double quotes than single quotes.
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\"\\\"\'\\\"\"
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\'\"\\\'\"\'
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// More single quotes than double quotes.
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\"\\\"\'\'\"
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\'\"\\\'\\\'\'
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// Two of each.
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\"\\\"\\\"\'\'\"
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\'\"\"\\\'\\\'\'
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// Single backslash.
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\'\\\\\'
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\"\\\\\"
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\'\\0\'
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\'🐶\'
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// Backslases.
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\"\\\"\\\\\\\"\\\\\\\\\\\" \'\\\'\\\\\'\\\\\\\'\\\\\\\\\'\"
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\'\\\'\\\\\\\'\\\\\\\\\\\' \"\\\"\\\\\"\\\\\\\"\\\\\\\\\"\'
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// Somewhat more real-word example.
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\"He\'s sayin\': \\\"How\'s it goin\'?\\\" Don\'t ask me why.\"
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\'He\\\'s sayin\\\': \"How\\\'s it goin\\\'?\" Don\\\'t ask me why.\'
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// Somewhat more real-word example 2.
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\"var backslash = \\\"\\\\\\\", doubleQuote = \'\\\"\';\"
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\'var backslash = \"\\\\\", doubleQuote = \\\'\"\\\';\'
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// Every string will be changed to double quotes, unless we end up with fewer
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// escaped quotes by using single quotes. (Vice versa if the \"singleQuote\"
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// option is true).
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//
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// Note that even if a string already has the correct enclosing quotes, it is
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// still processed in order to remove unnecessarily escaped quotes within it,
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// for consistency.
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// Simple strings.
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\"abc\";
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\"abc\";
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\"\'\";
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\'\"\';
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\'\\\"\';
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\'\\\\\"\';
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\"\'\";
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\"\\\'\";
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\"\\\\\'\";
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\"\'\\\"\";
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\"\'\\\"\";
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\"\\\\\";
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\"\\\\\";
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// Escape.
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\"\\0\";
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\"🐶\";
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// Emoji.
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\"🐶\"; // Empty string.
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\"\";
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\"\"; // Single double quote.
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\'\"\';
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\'\"\'; // Single single quote.
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\"\'\";
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\"\'\"; // Unnecessary escapes.
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\"\'\";
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\'\"\'; // One of each.
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\"\\\"\'\";
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\"\\\"\'\"; // One of each with unnecessary escapes.
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\"\\\"\'\";
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\"\\\"\'\"; // More double quotes than single quotes.
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\'\"\\\'\"\';
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\'\"\\\'\"\'; // More single quotes than double quotes.
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\"\\\"\'\'\";
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\"\\\"\'\'\"; // Two of each.
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\"\\\"\\\"\'\'\";
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\"\\\"\\\"\'\'\"; // Single backslash.
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\"\\\\\";
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\"\\\\\"; // Backslases.
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\"\\\"\\\\\\\"\\\\\\\\\\\" \'\'\\\\\'\\\\\'\\\\\\\\\'\";
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\'\\\'\\\\\\\'\\\\\\\\\\\' \"\"\\\\\"\\\\\"\\\\\\\\\"\'; // Somewhat more real-word example.
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\"He\'s sayin\': \\\"How\'s it goin\'?\\\" Don\'t ask me why.\";
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\"He\'s sayin\': \\\"How\'s it goin\'?\\\" Don\'t ask me why.\"; // Somewhat more real-word example 2.
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\'var backslash = \"\\\\\", doubleQuote = \\\'\"\\\';\';
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\'var backslash = \"\\\\\", doubleQuote = \\\'\"\\\';\';
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"
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`;
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exports[`test strings.js 2`] = `
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"\"abc\"
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"// Every string will be changed to double quotes, unless we end up with fewer
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// escaped quotes by using single quotes. (Vice versa if the \"singleQuote\"
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// option is true).
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//
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// Note that even if a string already has the correct enclosing quotes, it is
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// still processed in order to remove unnecessarily escaped quotes within it,
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// for consistency.
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// Simple strings.
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\"abc\"
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\'abc\'
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// Escape.
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\'\\0\'
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// Emoji.
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\'🐶\'
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// Empty string.
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\"\"
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\'\'
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// Single double quote.
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\"\\\"\"
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\'\"\'
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// Single single quote.
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\"\'\"
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\'\\\'\'
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\'\"\'
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\'\\\"\'
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\'\\\\\"\'
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\"\'\"
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// Unnecessary escapes.
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\"\\\'\"
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\"\\\\\'\"
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\'\\\"\'
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\"\'\\\"\"
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\'\\\'\"\'
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// One of each.
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\"\\\"\'\"
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\'\"\\\'\'
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// One of each with unnecessary escapes.
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\"\\\"\\\'\"
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\'\\\"\\\'\'
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// More double quotes than single quotes.
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\"\\\"\'\\\"\"
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\'\"\\\'\"\'
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// More single quotes than double quotes.
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\"\\\"\'\'\"
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\'\"\\\'\\\'\'
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// Two of each.
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\"\\\"\\\"\'\'\"
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\'\"\"\\\'\\\'\'
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// Single backslash.
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\'\\\\\'
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\"\\\\\"
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\'\\0\'
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\'🐶\'
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// Backslases.
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\"\\\"\\\\\\\"\\\\\\\\\\\" \'\\\'\\\\\'\\\\\\\'\\\\\\\\\'\"
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\'\\\'\\\\\\\'\\\\\\\\\\\' \"\\\"\\\\\"\\\\\\\"\\\\\\\\\"\'
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// Somewhat more real-word example.
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\"He\'s sayin\': \\\"How\'s it goin\'?\\\" Don\'t ask me why.\"
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\'He\\\'s sayin\\\': \"How\\\'s it goin\\\'?\" Don\\\'t ask me why.\'
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// Somewhat more real-word example 2.
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\"var backslash = \\\"\\\\\\\", doubleQuote = \'\\\"\';\"
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\'var backslash = \"\\\\\", doubleQuote = \\\'\"\\\';\'
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// Every string will be changed to double quotes, unless we end up with fewer
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// escaped quotes by using single quotes. (Vice versa if the \"singleQuote\"
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// option is true).
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//
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// Note that even if a string already has the correct enclosing quotes, it is
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// still processed in order to remove unnecessarily escaped quotes within it,
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// for consistency.
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// Simple strings.
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\'abc\';
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\'abc\';
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\"\'\";
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\'\"\';
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\'\\\"\';
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\'\\\\\"\';
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\"\'\";
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\"\\\'\";
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\"\\\\\'\";
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\'\\\'\"\';
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\'\\\'\"\';
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\'\\\\\';
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\'\\\\\';
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// Escape.
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\'\\0\';
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\'🐶\';
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// Emoji.
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\'🐶\'; // Empty string.
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\'\';
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\'\'; // Single double quote.
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\'\"\';
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\'\"\'; // Single single quote.
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\"\'\";
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\"\'\"; // Unnecessary escapes.
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\"\'\";
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\'\"\'; // One of each.
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\'\"\\\'\';
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\'\"\\\'\'; // One of each with unnecessary escapes.
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\'\"\\\'\';
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\'\"\\\'\'; // More double quotes than single quotes.
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\'\"\\\'\"\';
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\'\"\\\'\"\'; // More single quotes than double quotes.
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\"\\\"\'\'\";
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\"\\\"\'\'\"; // Two of each.
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\'\"\"\\\'\\\'\';
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\'\"\"\\\'\\\'\'; // Single backslash.
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\'\\\\\';
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\'\\\\\'; // Backslases.
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\"\\\"\\\\\\\"\\\\\\\\\\\" \'\'\\\\\'\\\\\'\\\\\\\\\'\";
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\'\\\'\\\\\\\'\\\\\\\\\\\' \"\"\\\\\"\\\\\"\\\\\\\\\"\'; // Somewhat more real-word example.
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\"He\'s sayin\': \\\"How\'s it goin\'?\\\" Don\'t ask me why.\";
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\"He\'s sayin\': \\\"How\'s it goin\'?\\\" Don\'t ask me why.\"; // Somewhat more real-word example 2.
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\'var backslash = \"\\\\\", doubleQuote = \\\'\"\\\';\';
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\'var backslash = \"\\\\\", doubleQuote = \\\'\"\\\';\';
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"
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`;
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+58
-10
@@ -1,21 +1,69 @@
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// Every string will be changed to double quotes, unless we end up with fewer
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// escaped quotes by using single quotes. (Vice versa if the "singleQuote"
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// option is true).
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//
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// Note that even if a string already has the correct enclosing quotes, it is
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// still processed in order to remove unnecessarily escaped quotes within it,
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// for consistency.
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// Simple strings.
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"abc"
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'abc'
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// Escape.
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'\0'
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// Emoji.
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'🐶'
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// Empty string.
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""
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''
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// Single double quote.
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"\""
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'"'
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// Single single quote.
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"'"
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'\''
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'"'
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'\"'
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'\\"'
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"'"
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// Unnecessary escapes.
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"\'"
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"\\'"
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'\"'
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"'\""
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'\'"'
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// One of each.
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"\"'"
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'"\''
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// One of each with unnecessary escapes.
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"\"\'"
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'\"\''
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// More double quotes than single quotes.
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"\"'\""
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'"\'"'
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// More single quotes than double quotes.
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"\"''"
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'"\'\''
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// Two of each.
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"\"\"''"
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'""\'\''
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// Single backslash.
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'\\'
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"\\"
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'\0'
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'🐶'
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// Backslases.
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"\"\\\"\\\\\" '\'\\'\\\'\\\\'"
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'\'\\\'\\\\\' "\"\\"\\\"\\\\"'
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// Somewhat more real-word example.
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"He's sayin': \"How's it goin'?\" Don't ask me why."
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'He\'s sayin\': "How\'s it goin\'?" Don\'t ask me why.'
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// Somewhat more real-word example 2.
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"var backslash = \"\\\", doubleQuote = '\"';"
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'var backslash = "\\", doubleQuote = \'"\';'
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@@ -30,10 +30,10 @@ exports[`test strings.js 1`] = `
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\"abc\",
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\"\'\",
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\'\"\',
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\'\\\"\',
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\'\"\',
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\'\\\\\"\',
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\"\'\",
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\"\\\'\",
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\"\'\",
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\"\\\\\'\",
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\"\'\\\"\",
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\"\'\\\"\",
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