72 lines
1.3 KiB
JavaScript
72 lines
1.3 KiB
JavaScript
module.exports = grammar({
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name: 'html',
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extras: $ => [
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$.comment,
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/\s+/,
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],
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externals: $ => [
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$._open_start_tag,
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$._close_start_tag,
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$._self_close_start_tag,
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$.end_tag,
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$._implicit_end_tag,
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$._erroneous_end_tag,
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$.comment,
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],
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rules: {
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fragment: $ => repeat($._node),
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_node: $ => choice(
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$.text,
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$._erroneous_end_tag,
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$.element
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),
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element: $ => choice(
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seq(
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$.start_tag,
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repeat($._node),
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choice($.end_tag, $._implicit_end_tag)
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),
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$.self_closing_tag
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),
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start_tag: $ => seq(
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$._open_start_tag,
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repeat($.attribute),
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$._close_start_tag
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),
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self_closing_tag: $ => seq(
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$._open_start_tag,
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repeat($.attribute),
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$._self_close_start_tag
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),
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attribute: $ => seq(
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$.attribute_name,
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optional(seq(
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'=',
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choice(
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$.attribute_value,
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$.quoted_attribute_value
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)
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))
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),
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attribute_name: $ => /[^<>"'/=\s]+/,
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attribute_value: $ => /[^<>"'=\s]+/,
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quoted_attribute_value: $ => choice(
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seq("'", optional(alias(/[^']+/, $.attribute_value)), "'"),
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seq('"', optional(alias(/[^"]+/, $.attribute_value)), '"')
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),
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text: $ => /[^<>]+/
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}
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});
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